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# updated_at  = 2023-02-07T03:05:06Z
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2022-10-31T20:00:09Z	**3D Printed Strain Wave Gearbox**
![](https://hackaday.com/wp-content/uploads/2022/10/zerobacklash-harmonic-drive.png?w=800)

3D-printed gearboxes are always an interesting design challenge, especially if you want to make them compact. [ZeroBacklash] created a little strain wave gearbox (harmonic drive) for when you want to […read more](https://hackaday.com/2022/10/31/3d-printed-strain-wave-gearbox/) ⌘ [Read more](https://hackaday.com/2022/10/31/3d-printed-strain-wave-gearbox/)
2022-10-31T23:00:04Z	**Lighting Up Glue Stick Bicycle Tyres With RGB**
![](https://hackaday.com/wp-content/uploads/2022/10/led-bike-wheels.png?w=800)

Being visible to motorists is a constant concern for cyclists, but we doubt [The Q] will have this problem with his RGB LED illuminated tires made from glue sticks. The […read more](https://hackaday.com/2022/10/31/lighting-up-glue-stick-bicycle-tyres-with-rgb/) ⌘ [Read more](https://hackaday.com/2022/10/31/lighting-up-glue-stick-bicycle-tyres-with-rgb/)
2022-11-01T02:00:32Z	**Infinitely Scrolling E-Ink Landscape Never Repeats**
![](https://hackaday.com/wp-content/uploads/2022/10/shan-shui-html.jpg?w=800)

Traditional Chinese landscape scrolls can be a few dozen feet long and require the viewer to move along its length to view all the intricate detail in each section. [Dheera […read more](https://hackaday.com/2022/10/31/infinitely-scrolling-e-ink-landscape-never-repeats/) ⌘ [Read more](https://hackaday.com/2022/10/31/infinitely-scrolling-e-ink-landscape-never-repeats/)
2022-11-01T05:00:21Z	**An Easy-To-Make Pi-Powered Pocket Password Pal**
![](https://hackaday.com/wp-content/uploads/2022/10/hadimg_byopm_feat_2.jpg?w=800)

Sometimes, we see a project where it’s clear – its creator seriously wants to make a project idea accessible to newcomers; and today’s project is one of these cases. The […read more](https://hackaday.com/2022/10/31/an-easy-to-make-pi-powered-pocket-password-pal/) ⌘ [Read more](https://hackaday.com/2022/10/31/an-easy-to-make-pi-powered-pocket-password-pal/)
2022-11-01T08:00:03Z	**The Best Threaded Holes For Resin Parts**
![](https://hackaday.com/wp-content/uploads/2022/10/resin-threaded-insert-featured.png?w=800)

Threaded inserts are great for melting into FDM prints with a soldering iron. The process isn’t so simple for resin prints, since they don’t generally soften with heat. Off course, […read more](https://hackaday.com/2022/11/01/the-best-threaded-holes-for-resin-parts/) ⌘ [Read more](https://hackaday.com/2022/11/01/the-best-threaded-holes-for-resin-parts/)
2022-11-01T11:00:10Z	**DeltaPen: Drawing, Painting And Taking Notes Without The Drawing Tablet**
![](https://hackaday.com/wp-content/uploads/2022/10/teaser_deltapen.jpg?w=800)

Over the decades, a lot of attempts have been made to try and make pens and pencils “smart”. Whether it’s to enable a pen to also digitally record what we’re […read more](https://hackaday.com/2022/11/01/deltapen-drawing-painting-and-taking-notes-without-the-drawing-tablet/) ⌘ [Read more](https://hackaday.com/2022/11/01/deltapen-drawing-painting-and-taking-notes-without-the-drawing-tablet/)
2022-11-01T14:00:38Z	**Identify That Antenna By Sight**
![](https://hackaday.com/wp-content/uploads/2022/10/antenna-spotting-featured-2.jpg?w=800)

It’s a skill that radio amateurs pick up over years but which it sometimes comes as a surprise to find that is not shared by everyone, the ability to casually […read more](https://hackaday.com/2022/11/01/identify-that-antenna-by-sight/) ⌘ [Read more](https://hackaday.com/2022/11/01/identify-that-antenna-by-sight/)
2022-11-01T15:30:44Z	**Exploring Piston Engine Design With LEGO**
![](https://hackaday.com/wp-content/uploads/2022/10/lego-piston-engines.png?w=800)

When learning about the design of a machine or mechanism, reading and watching videos is certainly effective, but it’s hard to beat hands-on experimentation. In the video after the break, […read more](https://hackaday.com/2022/11/01/exploring-piston-engine-design-with-lego/) ⌘ [Read more](https://hackaday.com/2022/11/01/exploring-piston-engine-design-with-lego/)
2022-11-01T17:00:05Z	**Linux Fu: Easy VMs**
![](https://hackaday.com/wp-content/uploads/2020/05/LinuxFu.jpg?w=800)

It wasn’t long ago that we looked at easily creating Docker containers from the command line so you could just easily spin up a virtual environment for development. Wouldn’t it […read more](https://hackaday.com/2022/11/01/linux-fu-easy-vms/) ⌘ [Read more](https://hackaday.com/2022/11/01/linux-fu-easy-vms/)
2022-11-01T18:30:28Z	**Plywood Lamp has Customizable Light Output**
![A segmented lamp made of circular slices of plywood. They are arranged as shutters around a long, skinny LED bulb in the center that gives off an incadescent-looking glow. A cord trails off to the left against the grey background.](https://hackaday.com/wp-content/uploads/2022/10/FRU7ILCL8YI0ESK.jpg?w=800)

There’s something about light fixtures that attracts makers like moths to a flame. [danthemakerman] wanted something with a more configurable li ... ⌘ [Read more](https://hackaday.com/2022/11/01/plywood-lamp-has-customizable-light-output/)
2022-11-01T20:00:14Z	**Reproducing Vinyl Records in Resin**
![A hand holding a paper cup pours orange resin into a mold. There are several different colors in a spiral inside a circular mold on a circular platform with holes around its perimeter sitting on a wooden table.](https://hackaday.com/wp-content/uploads/2022/10/Pirating-Music-With-Resin-How-will-it-sound-YouTube-11-08.jpeg?w=800)

While most are just plain, vinyl records can be found in a variety of colors, shapes, and some even glow in the dark. [Evan and Katelyn]  ... ⌘ [Read more](https://hackaday.com/2022/11/01/reproducing-vinyl-records-in-resin/)
2022-11-01T23:00:21Z	**The Many Ways You Can Easily Ruin Your PCB Antenna Design**
![PCB antenna rendered useless by overly enthusiastic copper fill.](https://hackaday.com/wp-content/uploads/2022/10/lDlCK4p.png?w=640)

We have all seen Printed Circuit Board (PCB) antennas: those squiggly bits of traces on PCBs connected often to a Bluetooth, WiFi or other wireless communication chip. On modules like […read more](https://hackaday.com/2022/11/01/the-many-ways-you-can-easily-ruin-your-pcb-antenna-design/) ⌘ [Read more](https://hackaday.com/2022/11/01/the-many-ways-you-can-easily-ruin-your-pcb-antenna-design/)
2022-11-02T02:00:00Z	**[Dana Sibera] Creates Devices That Don’t Exist**
![A small widescreen laptop repeating the ThinkPad style. It looks cute; sadly, it does not exist.](https://hackaday.com/wp-content/uploads/2022/10/hadimg_dana_sibera_feat.jpg?w=800)

[Dana Sibera], known as [@NanoRaptor] on Twitter, makes us wonder about devices that could have been, and wince about devices that must never see the light of day – summoned […read more](https://hackaday.com/2022/11/01/dana-sibera-creates-devices-that-dont-exist/) ⌘ [Read more](https://hackaday.com/2022/11/01/dana-sibera-creates-devices-that-dont-exist/)
2022-11-02T05:00:52Z	**Tambour Table with a Puzzling Secret**
![A wooden table with a puzzle on top of it sits in an off white room with a light wood floor. A red chair sits behind the table and the slats of the rolled away tambour top are visible.](https://hackaday.com/wp-content/uploads/2022/10/Tambour.jpeg?w=800)

Some people really like puzzles. [Simone Giertz] is one of these serious puzzle lovers and built a transforming table (YouTube) to let her easily switch between puzzles and more mundane […read more](https://ha ... ⌘ [Read more](https://hackaday.com/2022/11/01/tambour-table-with-a-puzzling-secret/)
2022-11-02T08:00:51Z	**What If Your Day-To-Day Devices Were Alive?**
![The project's wrist-worn heartrate sensor shown on someone's hand, Caption: Our device has three main components: watch electronics (arrow to watch display), organism enclosure (arrow to the 3D-printed case of the watch) and our living organism physarum polycephalum a.k.a slime mold.](https://hackaday.com/wp-content/uploads/2022/10/hadimg_slimemold_device_feat.png?w=800)

We take advantage of a variety of devices in our day-to-day life, and we mig ... ⌘ [Read more](https://hackaday.com/2022/11/02/what-if-your-day-to-day-devices-were-alive/)
2022-11-02T11:00:33Z	**3D Printed ROV Is The Result Of Many Lessons Learned**
![](https://hackaday.com/wp-content/uploads/2022/10/cps5-featured.png?w=800)

Building an underwater remotely operated vehicle (ROV) is always a challenge, and making it waterproof is often a major hurdle. [Filip Buława] and [Piotr Domanowski] have spent four years and […read more](https://hackaday.com/2022/11/02/3d-printed-rov-is-the-result-of-many-lessons-learned/) ⌘ [Read more](https://hackaday.com/2022/11/02/3d-printed-rov-is-the-result-of-many-lessons-learned/)
2022-11-02T14:00:51Z	**Bye Bye Linux On The 486. Will We Miss You?**
![](https://hackaday.com/wp-content/uploads/2022/10/486-linux-featured.jpg?w=800)

A footnote in the week’s technology news came from Linus Torvalds, as he floated the idea of abandoning support for the Intel 80486 architecture in a Linux kernel mailing list […read more](https://hackaday.com/2022/11/02/bye-bye-linux-on-the-486-will-we-miss-you/) ⌘ [Read more](https://hackaday.com/2022/11/02/bye-bye-linux-on-the-486-will-we-miss-you/)
2022-11-02T15:30:18Z	**Keeping an Eye on Heating Oil**
![](https://hackaday.com/wp-content/uploads/2022/10/oil-tank-main.png?w=800)

Energy costs around the world are going up, whether it’s electricity, natural gas, or gasoline. This is leading to a lot of people looking for ways to decrease their energy […read more](https://hackaday.com/2022/11/02/keeping-an-eye-on-heating-oil/) ⌘ [Read more](https://hackaday.com/2022/11/02/keeping-an-eye-on-heating-oil/)
2022-11-02T17:00:22Z	**Make Your Pi Moonlight As A Security Camera**
![A Raspberry Pi 3 with a black Raspberry Pi Camera PCB on top of it, looking at the camera taking this picture. There's a Jolly Wrencher in the background.](https://hackaday.com/wp-content/uploads/2022/10/hadimg_motioneye_feat.jpeg?w=800)

A decade ago, I was learning Linux through building projects for my own needs. One of the projects was a DIY CCTV system based on a Linux box – specifically, […read more](https://hackaday.com/2022/11/02/make-you ... ⌘ [Read more](https://hackaday.com/2022/11/02/make-your-pi-moonlight-as-a-security-camera/)
2022-11-02T18:30:48Z	**Laser Projector Relies on Steppers Rather Than Galvanometers**
![](https://hackaday.com/wp-content/uploads/2022/11/6042691667136927730.png?w=800)

Laser light shows have always been real crowd-pleasers. There’s just something about the frenetic movement of a single point of intensely bright light making fluid animations that really captures the […read more](https://hackaday.com/2022/11/02/laser-project-relies-on-steppers-rather-than-galvanometers/) ⌘ [Read more](https://hackaday.com/2022/11/02/laser-project-relies-on-steppers-rather-than-galvanometers/)
2022-11-02T20:00:44Z	**Low-Voltage DC Network Build Incited By Solar Panels**
![Breakers for the system on a DIN rail, with markings like 48V and 24V and 12V and so on on the bottom, and two hefty devices of some kind on the bottom, probably MPTT controllers, with hefty wires running from them.](https://hackaday.com/wp-content/uploads/2022/10/hadimg_homedc_dist_feat.jpg?w=800)

Nowadays, some people in Europe worry about energy prices climbing, and even if all the related problems disappear overnight, we’ll ... ⌘ [Read more](https://hackaday.com/2022/11/02/low-voltage-dc-network-build-incited-by-solar-panels/)
2022-11-02T23:00:59Z	**Simple Wi-Fi Cat Door Solves the Extra Critter Problem, and Nothing More**
![](https://hackaday.com/wp-content/uploads/2022/11/1920x1080-vtime3_06-take2022-11-02-11.25.52.png?w=800)

Anyone with an outdoor cat in their life knows their propensity for bringing home offerings, in the form of critters in various stages of the process of becoming ex-critters. And […read more](https://hackaday.com/2022/11/02/simple-wi-fi-cat-door-solves-the-extra-critter-problem-and-noth ... ⌘ [Read more](https://hackaday.com/2022/11/02/simple-wi-fi-cat-door-solves-the-extra-critter-problem-and-nothing-more/)
2022-11-03T02:00:51Z	**Your Car Has Driving Profiles – Here’s How To Change Them**
![Showing a car dash screen with options menu, showing a "Steering" entry and a bunch of options one can change, i.e. Normal, Sport, offroad, Eco etc.](https://hackaday.com/wp-content/uploads/2022/10/hadimg_car_profiles_feat.jpg?w=800)

Just like mobile phones of yesteryear, modern cars have profiles. They aren’t responsible for the sounds your car produces, however, as much as they change how your car behaves – […read more ... ⌘ [Read more](https://hackaday.com/2022/11/02/your-car-has-driving-profiles-heres-how-to-change-them/)
2022-11-03T05:00:39Z	**Roll the Radioactive Dice for Truly Random D&D Play**
![](https://hackaday.com/wp-content/uploads/2022/10/1920x1080-vtime5_14-take2022-10-28-14.24.31.png?w=800)

When you have a bunch of people gathered around a table for a “Dungeons & Dragons” session, you have to expect that things are not always going to go smoothly. […read more](https://hackaday.com/2022/11/02/roll-the-radioactive-dice-for-truly-random-dd-play/) ⌘ [Read more](https://hackaday.com/2022/11/02/roll-the-radioactive-dice-for-truly-random-dd-play/)
2022-11-03T08:00:33Z	**Heirloom Knife Will Carve Pumpkins for Years to Come**
![](https://hackaday.com/wp-content/uploads/2022/11/carving-knife-800.png?w=800)

Halloween may be behind us, but that just means that we’ve reached the best time to buy pumpkins. After all, it’s still fall, and there are pies to be made […read more](https://hackaday.com/2022/11/03/heirloom-knife-will-carve-pumpkins-for-years-to-come/) ⌘ [Read more](https://hackaday.com/2022/11/03/heirloom-knife-will-carve-pumpkins-for-years-to-come/)
2022-11-03T11:00:56Z	**End Of An Era, As LEGO To Discontinue Mindstorms**
![](https://hackaday.com/wp-content/uploads/2022/10/mindstorms-featured.jpg?w=800)

When there are so many single board computers and other products aimed at providing children with the means to learn about programming and other skills, it is easy to forget […read more](https://hackaday.com/2022/11/03/end-of-an-era-as-lego-to-discontinue-mindstorms/) ⌘ [Read more](https://hackaday.com/2022/11/03/end-of-an-era-as-lego-to-discontinue-mindstorms/)
2022-11-03T14:00:00Z	**MoCA Networking Is A Niche Solution For Coax Lovers**
![](https://hackaday.com/wp-content/uploads/2022/11/AdobeStock_58713054_featured.png?w=800)

When it comes to networking these days, the vast majority of our devices are connected wirelessly. Beyond that, we’re all familiar with the Cat 5 and Cat 6 cables that […read more](https://hackaday.com/2022/11/03/moca-networking-is-a-niche-solution-for-coax-lovers/) ⌘ [Read more](https://hackaday.com/2022/11/03/moca-networking-is-a-niche-solution-for-coax-lovers/)
2022-11-03T15:30:00Z	**Say No To Obsolescence, Wire Up Your House With Fiber**
![Infrastructure diagram of [Stefan]'s network at the end of his fiber optics journey](https://hackaday.com/wp-content/uploads/2022/10/hadimg_homefiber_feat.png?w=800)

These days, if you wire your house with anything less than gigabit, you might end up throttling your Internet connection. If you wired things up using two pairs per device […read more](https://hackaday.com/2022/11/03/say-no-to-obsolescence-wire-up-your-house-with- ... ⌘ [Read more](https://hackaday.com/2022/11/03/say-no-to-obsolescence-wire-up-your-house-with-fiber/)
2022-11-03T17:00:28Z	**M.2 For Hackers – Connectors**
![](https://hackaday.com/wp-content/uploads/2022/10/hadimg_m2_sockets_feat.jpeg?w=800)

In the first M.2 article, I’ve described real-world types and usecases of M.2 devices, so that you don’t get confused when dealing with various cards and ports available out there. […read more](https://hackaday.com/2022/11/03/m-2-for-hackers-connectors/) ⌘ [Read more](https://hackaday.com/2022/11/03/m-2-for-hackers-connectors/)
2022-11-03T18:30:30Z	**3-DOF Robot Arm Wrist Without The Motor Weight**
![](https://hackaday.com/wp-content/uploads/2022/10/bowden-wrist-featured.png?w=800)

A major challenge of robotic arms is the weight of the actuators, especially closer to the end of the arm. The long lever arm means more torque is required from […read more](https://hackaday.com/2022/11/03/3-dof-robot-arm-wrist-without-the-motor-weight/) ⌘ [Read more](https://hackaday.com/2022/11/03/3-dof-robot-arm-wrist-without-the-motor-weight/)
2022-11-03T20:00:12Z	**LED Diffusers Confusing? Organize A Practical Contest**
![Screenshot from the video showing comparisons between diffused light pictures at different brightnesses and diffusers applied](https://hackaday.com/wp-content/uploads/2022/10/hadimg_diffuser_tests_feat.jpeg?w=800)

We all want a nice and shiny LED strip that doesn’t actually look like it consists of individual LEDs – a bar of uniform light is just that much more […read more](https://hackaday.com/2022/11/03/led-diffusers-confusi ... ⌘ [Read more](https://hackaday.com/2022/11/03/led-diffusers-confusing-organize-a-practical-contest/)
2022-11-03T23:00:18Z	**Turbo Button Pays Charming Homage To Early Personal Computers**
![A personal computer drive bay with a glowing LED display](https://hackaday.com/wp-content/uploads/2022/10/turbobutton_feature.jpg?w=800)

The PC turbo button and LED clock speed display were common features on early personal computers. Wanting to add a little retro chic to his modern battle-station, [Matthew Frost] assembled […read more](https://hackaday.com/2022/11/03/turbo-button-pays-charming-homage-to-early ... ⌘ [Read more](https://hackaday.com/2022/11/03/turbo-button-pays-charming-homage-to-early-personal-computers/)
2022-11-04T02:00:45Z	**Just How Fast Could You Charge An iPhone?**
![PSU charging an externally connected supercapacitor bank that's powering the phone. There's a current clamp on one of the wires to measure charging current, and a multimeter measuring the charging voltage.](https://hackaday.com/wp-content/uploads/2022/10/hadimg_iphone_fastcharge_feat.jpeg?w=800)

An iPhone 8, now a relatively cheap model, can charge its battery fully in two hours’ time. There’s hardly ever a need for faster charging, but it’s fair to  ... ⌘ [Read more](https://hackaday.com/2022/11/03/just-how-fast-could-you-charge-an-iphone/)
2022-11-04T05:00:48Z	**Walnut Case Sets This Custom Arduino-Powered RPN Calculator Apart from the Crowd**
![](https://hackaday.com/wp-content/uploads/2022/11/1920x1080-vtime2_54-take2022-11-03-14.50.38.png?w=800)

How many of us have an everyday tool that’s truly unique? Likely not many of us; take a look around your desk and turn out your pockets, but more often […read more](https://hackaday.com/2022/11/03/walnut-case-sets-this-custom-arduino-powered-rpn-calculator-apart-from-th ... ⌘ [Read more](https://hackaday.com/2022/11/03/walnut-case-sets-this-custom-arduino-powered-rpn-calculator-apart-from-the-crowd/)
2022-11-04T08:00:59Z	**Adjusting Shelves Like it’s 1899**
![A blue cabinet. Inside, along the front and back are wooden sawteeth holding a cleat. On the cleat sits the shelf itself.](https://hackaday.com/wp-content/uploads/2022/11/sawtooth-blue.jpg?w=800)

In most modern homes, any adjustable shelves or cabinets have metal shelf pins set inside conveniently spaced holes. Before the accouterments of modern life, like easily replicated metal parts, you […read more](https://hackaday.com/2022/11/04/adjusting-shelves-like-its-1899/) ⌘ [Read more](https://hackaday.com/2022/11/04/adjusting-shelves-like-its-1899/)
2022-11-04T11:00:39Z	**Thin Client and Smartphone Step in for 3D Printer’s Raspberry Pi and Touchscreen**
![](https://hackaday.com/wp-content/uploads/2022/11/1920x1080-vtime0_40-take2022-11-03-16.01.42.png?w=800)

It’s no secret that Raspberry Pi’s are a little hard to come by these days. Unless you had the foresight to stock up before the supply dried up — and […read more](https://hackaday.com/2022/11/04/thin-client-and-smartphone-step-in-for-3d-printers-raspberry-pi-and-touchscr ... ⌘ [Read more](https://hackaday.com/2022/11/04/thin-client-and-smartphone-step-in-for-3d-printers-raspberry-pi-and-touchscreen/)
2022-11-04T14:00:52Z	**This Week in Security: OpenSSL Fizzle, Java XML, and Nothing As It Seems**
![](https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800)

The security world held our collective breaths early this week for the big OpenSSL vulnerability announcement. Turns out it’s two separate issues, both related to punycode handling, and they’ve been […read more](https://hackaday.com/2022/11/04/this-week-in-security-openssl-fizzle-java-xml-and-nothing-as-it-seems/) ⌘ [Read more](https://hackaday.com/2022/11/04/this-week-in-security-openssl-fizzle-java-xml-and-nothing-as-it-seems/)
2022-11-04T15:30:53Z	**3D Printer Tuning: an Engineering Approach**
![](https://hackaday.com/wp-content/uploads/2022/11/gear.png?w=800)

[MirageC] is a bit of a contrarian. Instead of taking pictures of 3D printed objects that show them in their best light, he takes pictures that show them at their […read more](https://hackaday.com/2022/11/04/3d-printer-tuning-an-engineering-approach/) ⌘ [Read more](https://hackaday.com/2022/11/04/3d-printer-tuning-an-engineering-approach/)
2022-11-04T18:30:35Z	**3D Printed Newtonian Telescope Has Stunning Looks, Hadley Breaks The Bank**
![](https://hackaday.com/wp-content/uploads/2022/11/img_8385.jpg?w=800)

Have you ever considered building your own telescope? Such a project can be daunting, especially if you grind your own mirrors. But with a 3D printer, hardware store bits and […read more](https://hackaday.com/2022/11/04/3d-printed-newtonian-telescope-has-stunning-looks-hadley-breaks-the-bank/) ⌘ [Read more](https://hackaday.com/2022/11/04/3d-printed-newtonian-telescope-has-stunning-looks-hadley-breaks-the-bank/)
2022-11-04T20:00:45Z	**Three Computers, One Keyboard With USB Triplexer**
![](https://hackaday.com/wp-content/uploads/2022/11/usb-triplexer-featured.jpg?w=800)

Many of us will have the problem of several computers on the same desk, and to avoid clutter we’ll use a KVM switch to share the peripherals. [The Turbanned Engineer] […read more](https://hackaday.com/2022/11/04/three-computers-one-keyboard-with-usb-triplexer/) ⌘ [Read more](https://hackaday.com/2022/11/04/three-computers-one-keyboard-with-usb-triplexer/)
2022-11-04T23:00:09Z	**Plywood Bicycle Makes Frame Building More Accessible**
![A man and a woman stand at opposite ends of a wooden-framed bicycle. It has 20" tires and a long, black seat. A rack extends over the front tire for carrying small items.](https://hackaday.com/wp-content/uploads/2022/11/OpenBike.jpg?w=800)

Bike frames are simple on the surface, but can quickly become complicated if you want to fabricate one yourself. Brazing and welding tend to be less common skills than knowing […read more](ht ... ⌘ [Read more](https://hackaday.com/2022/11/04/plywood-bicycle-makes-frame-building-more-accessible/)
2022-11-05T02:00:11Z	**Hackaday Prize 2022: Ultratower Is a Powerful Gardening Vertical**
![](https://hackaday.com/wp-content/uploads/2022/11/ultratower-800.jpg?w=800)

The more people we have on this planet, the more food we need. Naturally, this extends to water, another precious resource that generally plays a part in farming and food […read more](https://hackaday.com/2022/11/04/hackaday-prize-2022-ultratower-is-a-powerful-gardening-vertical/) ⌘ [Read more](https://hackaday.com/2022/11/04/hackaday-prize-2022-ultratower-is-a-powerful-gardening-vertical/)
2022-11-05T05:00:15Z	**Keyboard One Is an Ear of Corne**
![](https://hackaday.com/wp-content/uploads/2022/11/keyboard-one-800.jpg?w=800)

There are all kinds of avenues into the mechanical keyboarding hobby, and one of the more well-traveled ones runs between coworkers. [crsayen] aka [DrJamesOIncandenza] has one such relationship, and was […read more](https://hackaday.com/2022/11/04/keyboard-one-is-an-ear-of-corne/) ⌘ [Read more](https://hackaday.com/2022/11/04/keyboard-one-is-an-ear-of-corne/)
2022-11-05T08:00:51Z	**Pieca Is A Pi Camera With Some Very Nice Lenses**
![](https://hackaday.com/wp-content/uploads/2022/11/pieca-featured.jpg?w=800)

The advent of the high-quality version of the Raspberry Pi camera has given experimenters a good-enough quality camera system that they can use it to create better devices than mere […read more](https://hackaday.com/2022/11/05/pieca-is-a-pi-camera-with-some-very-nice-lenses/) ⌘ [Read more](https://hackaday.com/2022/11/05/pieca-is-a-pi-camera-with-some-very-nice-lenses/)
2022-11-05T11:00:54Z	**Garage Door Opener Ejection Seat**
![](https://hackaday.com/wp-content/uploads/2022/11/Eject_passenger.png?w=800)

[Scott Prints] had a familiar problem. His garage door opener was boring, and rattled around annoyingly in his car’s center console. This was obviously a major issue that needed to […read more](https://hackaday.com/2022/11/05/garage-door-opener-ejection-seat/) ⌘ [Read more](https://hackaday.com/2022/11/05/garage-door-opener-ejection-seat/)
2022-11-05T14:00:07Z	**The Seven-Segment Display That’s Also an Input Device**
![](https://hackaday.com/wp-content/uploads/2022/11/ModuleDeadBugs_featured.png?w=800)

We’re used to seeing all manner of seven-segment displays, be they mechanical, electronic, or something in between. But what all these displays have in common is that they’re, you know, […read more](https://hackaday.com/2022/11/05/the-seven-segment-display-thats-also-an-input-device/) ⌘ [Read more](https://hackaday.com/2022/11/05/the-seven-segment-display-thats-also-an-input-device/)
2022-11-05T16:27:39Z	**Supercon is On! Join Us!**
![](https://hackaday.com/wp-content/uploads/2022/08/Aug_18_Supercon2022EventbritePageBanner.png?w=800)

Supercon is in high gear, after a full day of badge hacking that went well into the midnight hour. Now it’s time for the talks! If you’re not here in […read more](https://hackaday.com/2022/11/05/supercon-is-on-join-us/) ⌘ [Read more](https://hackaday.com/2022/11/05/supercon-is-on-join-us/)
2022-11-05T17:00:00Z	**The Great Resistor Embiggens the Smallest Value**
!["The Great Resistor" color code illumination project](https://hackaday.com/wp-content/uploads/2022/11/2424311667516383025-e1667607369711.jpg?w=800)

With surface-mount components quickly becoming the norm, even for homebrew hardware, the resistor color-code can sometimes feel a bit old-hat. However, anybody who has ever tried to identify a random […read more](https://hackaday.com/2022/11/05/the-great-resistor/) ⌘ [Read more](https://hackaday.com/2022/11/05/the-great-resistor/)
2022-11-05T20:00:03Z	**Nanoassembly with Water**
![](https://hackaday.com/wp-content/uploads/2022/11/kevlar.png?w=800)

Water is sometimes known as the universal solvent. But researchers at Harvard want to use water to put things together instead of taking them apart. Really small things. In the […read more](https://hackaday.com/2022/11/05/nanoassembly-with-water/) ⌘ [Read more](https://hackaday.com/2022/11/05/nanoassembly-with-water/)
2022-11-05T23:00:21Z	**Creating Your Alarm On The Fly**
![](https://hackaday.com/wp-content/uploads/2022/11/warmly_to_wakeslow_arrow.jpg?w=800)

We suspect that most of us who use an alarm clock have our particular sound memorized. Common choices are annoying beeping, energetic marimbas, or what used to be your favorite […read more](https://hackaday.com/2022/11/05/creating-your-alarm-on-the-fly/) ⌘ [Read more](https://hackaday.com/2022/11/05/creating-your-alarm-on-the-fly/)
2022-11-06T02:00:58Z	**When Only A TO92 Will Do**
![](https://hackaday.com/wp-content/uploads/2022/11/TO92-featured.jpg?w=800)

As through-hole components are supplanted by their surface-mount equivalents, we’re beginning to see the departure of once-common component form factors. Many such as the metal can transistors became rare years […read more](https://hackaday.com/2022/11/05/when-only-a-to92-will-do/) ⌘ [Read more](https://hackaday.com/2022/11/05/when-only-a-to92-will-do/)
2022-11-06T03:30:41Z	**Hackaday Prize 2022: Meet the Winners of This Year’s Competition**
![](https://hackaday.com/wp-content/uploads/2022/11/2022prize_feat.jpg?w=800)

This year, the 2022 Hackaday Prize challenged hackers and makers in the open source community to develop projects which evoked the concepts of Sustainability, Resiliency, and Circularity — ideas which […read more](https://hackaday.com/2022/11/05/hackaday-prize-2022-meet-the-winners-of-this-years-competition/) ⌘ [Read more](https://hackaday.com/2022/11/05/hackaday-prize-2022-meet-the-winners-of-this-years-competition/)
2022-11-06T05:00:08Z	**Wall Art With A Moving Coil Or Two**
![](https://hackaday.com/wp-content/uploads/2022/11/voja-meter-featured.jpg?w=800)

Almost every type of retro indicator technology from a Nixie tube to a flipdot with everything else in between has found itself on these pages in some form of artwork […read more](https://hackaday.com/2022/11/05/wall-art-with-a-moving-coil-or-two/) ⌘ [Read more](https://hackaday.com/2022/11/05/wall-art-with-a-moving-coil-or-two/)
2022-11-06T15:00:33Z	**Supercon Sunday: Check the Live Stream**
![](https://hackaday.com/wp-content/uploads/2022/10/supercon.png?w=800)

Supercon is entering the final phase: it’s Sunday! But it’s not over yet: there is a phenomenal lineup of talks today, starting at 9:30 AM PST, and we’re streaming the […read more](https://hackaday.com/2022/11/06/supercon-sunday-check-the-live-stream/) ⌘ [Read more](https://hackaday.com/2022/11/06/supercon-sunday-check-the-live-stream/)
2022-11-06T16:09:32Z	**Mini Ultrasonic Levitation Kit is an Exercise in Sound Minimalist Design**
![](https://hackaday.com/wp-content/uploads/2022/11/ultrasonic-levitation-featured1.png?w=800)

For those that haven’t heard, ultrasonic levitation is a process by which two or more ultrasonic transducers are set opposite to each other and excited in such a way as […read more](https://hackaday.com/2022/11/06/mini-ultrasonic-levitation-kit-is-an-exercise-in-sound-minimalist-design/) ⌘ [Read more](https://hackaday.com/2022/11/06/mini-ultrasonic-levitation-kit-is-an-exercise-in-sound-minimalist-design/)
2022-11-06T18:00:17Z	**Conducting Plastic Can Replace Metal**
![](https://hackaday.com/wp-content/uploads/2022/11/poly.png?w=800)

The University of Chicago has announced they have created a material that behaves like plastic but conducts like metal. They also say they don’t fully understand why it works yet. […read more](https://hackaday.com/2022/11/06/conducting-plastic-can-replace-metal/) ⌘ [Read more](https://hackaday.com/2022/11/06/conducting-plastic-can-replace-metal/)
2022-11-06T21:00:06Z	**A Pi Pico Oscilloscope**
![](https://hackaday.com/wp-content/uploads/2022/11/pico-scope-featured.jpg?w=800)

At the budget end of the oscilloscope range lie the so-called pocket ‘scopes. About the size of a deck of cards, they combine a microcontroller and an LCD screen to […read more](https://hackaday.com/2022/11/06/a-pi-pico-oscilloscope/) ⌘ [Read more](https://hackaday.com/2022/11/06/a-pi-pico-oscilloscope/)
2022-11-07T00:00:43Z	**Hackaday Links: November 6, 2022**
![Hackaday Links Column Banner](https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800)

Remember the chip shortage? We sure do, mainly because as far as we can tell, it’s still going on, at least judging by the fact that you can’t get a […read more](https://hackaday.com/2022/11/06/hackaday-links-november-6-2022/) ⌘ [Read more](https://hackaday.com/2022/11/06/hackaday-links-november-6-2022/)
2022-11-07T03:00:44Z	**Recycled Chairs Bring the Subway to Your Living Room**
![A multi-colored chair with a stainless steel frame sits on wooden legs against a grey background.](https://hackaday.com/wp-content/uploads/2022/11/Choo-Choo-Chair.jpg?w=800)

Public transit seats have a rough life. Enduring a number of wear cycles that would make your sofa weep, they take a beating and have to keep looking presentable. When […read more](https://hackaday.com/2022/11/06/recycled-chairs-bring-the-subway-to-your-liv ... ⌘ [Read more](https://hackaday.com/2022/11/06/recycled-chairs-bring-the-subway-to-your-living-room/)
2022-11-07T06:00:42Z	**Rope Core Drum Machine**
![](https://hackaday.com/wp-content/uploads/2022/11/dial-a-beat.png?w=800)

One of our favorite musical hackers, [Look Mum No Computer] is getting dangerously close to building a computer. His quest was to create a unique drum machine, inspired by a […read more](https://hackaday.com/2022/11/06/rope-core-drum-machine/) ⌘ [Read more](https://hackaday.com/2022/11/06/rope-core-drum-machine/)
2022-11-07T15:51:02Z	**Dosimetry: Measuring Radiation**
![](https://hackaday.com/wp-content/uploads/2016/05/xray.jpg?w=800)

Thanks to stints as an X-ray technician in my early 20s followed by work in various biology labs into my early 40s, I’ve been classified as an “occupationally exposed worker” […read more](https://hackaday.com/2022/11/07/dosimetry-measuring-radiation/) ⌘ [Read more](https://hackaday.com/2022/11/07/dosimetry-measuring-radiation/)
2022-11-07T17:00:00Z	**An RP2040 Powered Pick And Place**
![](https://hackaday.com/wp-content/uploads/2022/11/0-starfish.jpg?w=800)

Pick and place machines are a wonder to behold, as they delicately and accurately place part after part. Unfortunately, they have to have a similarly wondrous price tag. Luckily, they […read more](https://hackaday.com/2022/11/07/an-rp2040-powered-pick-and-place/) ⌘ [Read more](https://hackaday.com/2022/11/07/an-rp2040-powered-pick-and-place/)
2022-11-07T18:00:13Z	**M.2 For Hackers – Cards**
![Four M.2 cards of different sizes on a desk surface](https://hackaday.com/wp-content/uploads/2022/10/hadimg_m2_cards_feat.jpeg?w=800)

Last time, I’ve explained everything you could want to know if you wanted to put an M.2 socket onto your board. Today, let’s build M.2 cards! There’s a myriad of […read more](https://hackaday.com/2022/11/07/m-2-for-hackers-cards/) ⌘ [Read more](https://hackaday.com/2022/11/07/m-2-for-hackers-cards/)
2022-11-07T21:00:55Z	**Overengineered Fume Extractor, Version 2**
![](https://hackaday.com/wp-content/uploads/2022/11/fume.png?w=800)

We all know the temptation of adding one more feature to your latest project. [Arnov Sharma] didn’t resist the urge. Building on his 3D-printed fume extractor, he developed a new […read more](https://hackaday.com/2022/11/07/overengineered-fume-extractor-version-2/) ⌘ [Read more](https://hackaday.com/2022/11/07/overengineered-fume-extractor-version-2/)
2022-11-08T00:00:51Z	**Smelting Solar Style**
![](https://hackaday.com/wp-content/uploads/2022/11/solar.png?w=800)

If you attended the 2022 Supercon, you might have heard the story about the SMD soldering challenge table nearly catching on fire. A magnifying lamp caught the sun just right […read more](https://hackaday.com/2022/11/07/smelting-solar-style/) ⌘ [Read more](https://hackaday.com/2022/11/07/smelting-solar-style/)
2022-11-08T03:00:41Z	**Commodore Datasette Does Its Own Calibration**
![](https://hackaday.com/wp-content/uploads/2022/11/Jan_Frequency.png?w=800)

Ah, the beloved Commodore 64. The “best-selling computer system of all time”. And hobbyists are keeping the dream alive, still producing software for it today. Which leads us to a […read more](https://hackaday.com/2022/11/07/commodore-datasette-does-its-own-calibration/) ⌘ [Read more](https://hackaday.com/2022/11/07/commodore-datasette-does-its-own-calibration/)
2022-11-08T06:00:20Z	**How Those NES DIP Chips Were Reduced To QFNs**
![](https://hackaday.com/wp-content/uploads/2022/11/chip-trim-featured.jpg?w=800)

The world of console modding leads us to some extremely impressive projects, and a recent one we featured of note was a portable NES produced by [Redherring32]. It was special […read more](https://hackaday.com/2022/11/07/how-those-nes-dip-chips-were-reduced-to-qfns/) ⌘ [Read more](https://hackaday.com/2022/11/07/how-those-nes-dip-chips-were-reduced-to-qfns/)
2022-11-08T09:00:08Z	**IR Remote Tester Helps You Crack the Code**
![IR Remote tester in use, showing a remote control lighting up an LED and screenshots of the Arduino serial terminal](https://hackaday.com/wp-content/uploads/2022/11/14.png?w=640)

Even though some devices now use WiFi and Bluetooth, so much of our home entertainment equipment still relies on its own proprietary infrared remote control. By and large (when you […read more](https://hackaday.com/2022/11/08/ir-remote-tester-helps-you-crack-the-code/) ⌘ [Read more](https://hackaday.com/2022/11/08/ir-remote-tester-helps-you-crack-the-code/)
2022-11-08T12:00:40Z	**Making Medical Simulators Less Expensive with 3D Printing and Silicone**
![A profile view of a medical training mannequin with a tube down its "throat." A ventillation bag is in the gloved hand of a human trainee.](https://hackaday.com/wp-content/uploads/2022/11/sim.png?w=800)

Medical training simulators are expensive, but important, pieces of equipment. [Decent Simulators] is designing simulators that can easily be replicated using Fused Deposition Modeling (FDM) p ... ⌘ [Read more](https://hackaday.com/2022/11/08/making-medical-simulators-less-expensive-with-3d-printing-and-silicone/)
2022-11-08T15:00:40Z	**The Wow! Signal Revisited: Citizen Science Informs SETI Effort**
![](https://hackaday.com/wp-content/uploads/2019/02/spacetech.jpg?w=800)

As far as interesting problems go, few can really compete with the perennial question: “Are we alone?” The need to know if there are other forms of intelligent life out […read more](https://hackaday.com/2022/11/08/the-wow-signal-revisited-citizen-science-informs-seti-effort/) ⌘ [Read more](https://hackaday.com/2022/11/08/the-wow-signal-revisited-citizen-science-informs-seti-effort/)
2022-11-08T16:30:00Z	**Chevron Desk Takes Advantage of Plywood For Patterning**
![](https://hackaday.com/wp-content/uploads/2022/11/F4TFD9BL9LD2HF7-e1667875564766.jpg?w=800)

Buying a desk is all well and good, but [WoodCraftly] found that the options they found online were too pricey for what was being offered. Buying the table frame from […read more](https://hackaday.com/2022/11/08/chevron-desk-takes-advantage-of-plywood-for-patterning/) ⌘ [Read more](https://hackaday.com/2022/11/08/chevron-desk-takes-advantage-of-plywood-for-patterning/)
2022-11-08T18:00:18Z	**Keebin’ with Kristina: the One with the Pumpkin Keyboard**
![Illustrated Kristina with an IBM Model M keyboard floating between her hands.](https://hackaday.com/wp-content/uploads/2021/07/Keebin.jpg?w=800)

Oh, the places plastic has taken us. One of the arguably better inventions might be the fake carve-able pumpkin, which is more or less guaranteed not to shrivel up and […read more](https://hackaday.com/2022/11/08/keebin-with-kristina-the-one-with-the-pumpkin-keyboard/) ⌘ [Read more](https://hackaday.com/2022/11/08/keebin-with-kristina-the-one-with-the-pumpkin-keyboard/)
2022-11-08T19:30:34Z	**3D Printed Shelf Connector**
![Several shelf boxes of various widths are held together by brightly-colored plus-sign-shaped connectors.](https://hackaday.com/wp-content/uploads/2022/11/plus-shelf.jpg?w=800)

Sometimes, you really need a custom shelf. Whether you have a weird-shaped space, weird-shaped stuff, or just want something different, making your own shelving can make your place more like […read more](https://hackaday.com/2022/11/08/3d-printed-shelf-connector/) ⌘ [Read more](https://hackaday.com/2022/11/08/3d-printed-shelf-connector/)
2022-11-08T21:00:43Z	**Cheap Scope Troubleshoots Commodore**
![](https://hackaday.com/wp-content/uploads/2022/11/adrian.png?w=800)

[Adrian] had a Commodore computer to fix and decided to see how his latest tiny portable scope would work. He paid $57 for the tiny little test instrument although the […read more](https://hackaday.com/2022/11/08/cheap-scope-troubleshoots-commodore/) ⌘ [Read more](https://hackaday.com/2022/11/08/cheap-scope-troubleshoots-commodore/)
2022-11-09T00:00:39Z	**Slingbox Getting Bricked – You Have Less Than 24 Hours**
![Photo of the back of a slingbox appliance, with ports shown and arrows going to them describing what each of the ports does.](https://hackaday.com/wp-content/uploads/2022/11/hadimg_slingbox_unbrick_feat.jpg?w=743)

The Slingbox devices used to let you catch up with the programming on your TV when you weren’t near it, using your Internet-connected mobile device. As cable TV became less […read more](https://hackaday.com/2022/11/ ... ⌘ [Read more](https://hackaday.com/2022/11/08/slingbox-getting-bricked-you-have-less-than-24-hours/)
2022-11-09T03:00:45Z	**Three Norths Align, And It’s Not Even Up North**
![](https://hackaday.com/wp-content/uploads/2022/11/os-north-featured.jpg?w=800)

Sometimes here at Hackaday we bring you stories from slightly outside our world of tech, because they have an interesting angle. Maybe they relate to science or astronomy, or in […read more](https://hackaday.com/2022/11/08/three-norths-align-and-its-not-even-up-north/) ⌘ [Read more](https://hackaday.com/2022/11/08/three-norths-align-and-its-not-even-up-north/)
2022-11-09T06:00:38Z	**Z80 Gets New OS**
![](https://hackaday.com/wp-content/uploads/2022/11/zeal.png?w=800)

If you have a soft spot for a Z80 computer but want a new operating system experience, try Zeal. You can watch a demo of the open-source OS in the […read more](https://hackaday.com/2022/11/08/z80-gets-new-os/) ⌘ [Read more](https://hackaday.com/2022/11/08/z80-gets-new-os/)
2022-11-09T09:00:34Z	**Clever Control Loop Makes This Spinning Drone Fault-Tolerant**
![](https://hackaday.com/wp-content/uploads/2022/11/1280x720-vtime7_23-take2022-11-08-13.39.09.png?w=800)

Most multi-rotor aircraft are about as aerodynamic as a brick. Unless all its motors are turning and the control electronics are doing their thing, most UAVs are quickly destined to […read more](https://hackaday.com/2022/11/09/clever-control-loop-makes-this-spinning-drone-fault-tolerant/) ⌘ [Read more](https://hackaday.com/2022/11/09/clever-control-loop-makes-this-spinning-drone-fault-tolerant/)
2022-11-09T12:00:29Z	**Moved Off Twitter? Make Your ESP32 Toot**
![The demo toot screenshot, showing a text-only message sent from the ESP32 using the library.](https://hackaday.com/wp-content/uploads/2022/11/hadimg_esp32_toot_feat.png?w=800)

Since Twitter was officially taken over by Elon Musk a few days ago, there’s been significant staff cuts, a stream of questionable decisions, and uncertainty about the social media platform’s […read more](https://hackaday.com/2022/11/09/moved-off-twitter-make-your-esp32-toot/) ⌘ [Read more](https://hackaday.com/2022/11/09/moved-off-twitter-make-your-esp32-toot/)
2022-11-09T15:00:47Z	**Chinese Chips Are Being Artificially Slowed To Dodge US Export Regulations**
![](https://hackaday.com/wp-content/uploads/2022/11/32126624767_e12c84bbaf_k_featured.png?w=800)

Once upon a time, countries protected their domestic industries with tariffs on imports. This gave the home side a price advantage over companies operating overseas, but the practice has somewhat […read more](https://hackaday.com/2022/11/09/chinese-chips-are-being-artificially-slowed-to-dodg ... ⌘ [Read more](https://hackaday.com/2022/11/09/chinese-chips-are-being-artificially-slowed-to-dodge-us-export-regulations/)
2022-11-09T16:30:04Z	**Detecting Radiation for Fun and Profit**
![](https://hackaday.com/wp-content/uploads/2022/11/rad.png?w=800)

It used to be that every well-stocked doomsday bunker had a Geiger counter. These days, you don’t have to have a big tube-based meter. You can inexpensively get a compact […read more](https://hackaday.com/2022/11/09/detecting-radiation-for-fun-and-profit/) ⌘ [Read more](https://hackaday.com/2022/11/09/detecting-radiation-for-fun-and-profit/)
2022-11-09T18:00:18Z	**Retrotechtacular: Programming by Card**
![](https://hackaday.com/wp-content/uploads/2022/11/punch.png?w=800)

The recent Supercon 6 badge, if you haven’t seen it, was an old-fashioned type computer with a blinky light front panel. It was reminiscent of an Altair 8800, a PDP-11, […read more](https://hackaday.com/2022/11/09/retrotechtacular-programming-by-card/) ⌘ [Read more](https://hackaday.com/2022/11/09/retrotechtacular-programming-by-card/)
2022-11-09T19:30:24Z	**DIY SpaceNavigator Brings the Freedom**
![](https://hackaday.com/wp-content/uploads/2022/11/6DOF.jpeg?w=800)

[Pepijn de Vos] wanted a 6DOF HID. You know, a 6 Degrees Of Freedom Hardware Interface Device. Those are the fancy controllers for navigating in 3D space, for uses like […read more](https://hackaday.com/2022/11/09/diy-spacenavigator-brings-the-freedom/) ⌘ [Read more](https://hackaday.com/2022/11/09/diy-spacenavigator-brings-the-freedom/)
2022-11-09T21:00:12Z	**This Wii Has an Apple M1 Inside**
![An M1 Mac mini sits next to a white Wii on a wooden table. In the background are various Edison-style LED light fixtures with an incadescent-like light profile.](https://hackaday.com/wp-content/uploads/2022/11/M1-Wii.jpeg?w=800)

The conveniently tiny logic board of the M1 Mac mini has lead to it giving the Mini ITX format a run for its money in case mods. The latest example […read more](https://hackaday.com/2022/11/09/this-wii-has-an-apple-m1-inside/) ⌘ [Read more](https://hackaday.com/2022/11/09/this-wii-has-an-apple-m1-inside/)
2022-11-10T00:00:36Z	**$1 POV Display Goes Round and Round**
![](https://hackaday.com/wp-content/uploads/2022/11/pov.png?w=800)

You don’t need much to do a persistence of vision display. A few LEDs and a processor is all it really takes. [B45i] made a simple PC board with five […read more](https://hackaday.com/2022/11/09/1-pov-display-goes-round-and-round/) ⌘ [Read more](https://hackaday.com/2022/11/09/1-pov-display-goes-round-and-round/)
2022-11-10T03:00:55Z	**Taking Pokémon on a Walk**
![](https://hackaday.com/wp-content/uploads/2022/11/pokemon-main.jpg?w=800)

Emulating old computers or video game systems isn’t always about recreating childhood nostalgia or playing classics on hardware that doesn’t exist anymore. A lot of the time it can be […read more](https://hackaday.com/2022/11/09/taking-pokemon-on-a-walk/) ⌘ [Read more](https://hackaday.com/2022/11/09/taking-pokemon-on-a-walk/)
2022-11-10T06:00:16Z	**Old 6809 Computer Lives Again on Breadboards**
![](https://hackaday.com/wp-content/uploads/2022/11/nano.png?w=800)

Among old CPUs, the 6809 never got as much attention as some of its cousins. The Radio Shack CoCo used it and so did a construction article in Wireless World […read more](https://hackaday.com/2022/11/09/old-6809-computer-lives-again-on-breadboards/) ⌘ [Read more](https://hackaday.com/2022/11/09/old-6809-computer-lives-again-on-breadboards/)
2022-11-10T09:00:39Z	**Automatic Candy Dispenser Takes the Hard Work out of Halloween**
![A wooden scary face dispensing candy through its mouth](https://hackaday.com/wp-content/uploads/2022/11/Halloween-Candy-Dispenser.png?w=800)

Halloween may be behind us, but we couldn’t resist showing you [Mellow]’s latest project: an automatic candy dispenser that takes the hard work out of serving trick-or-treaters. It’s a cool […read more](https://hackaday.com/2022/11/10/automatic-candy-dispenser-takes-the ... ⌘ [Read more](https://hackaday.com/2022/11/10/automatic-candy-dispenser-takes-the-hard-work-out-of-halloween/)
2022-11-10T12:00:02Z	**Sprig is an Open Source Handheld Game Console**
![](https://hackaday.com/wp-content/uploads/2022/11/186769641-5b1181b4-9969-4276-9fa0-9f15140e4a9b-e1668058475255.jpg?w=800)

[Hack Club] is a group that aims to teach teenagers about tech by involving them in open-source projects. One of the group’s latest efforts is Sprig, an open-source handheld game […read more](https://hackaday.com/2022/11/10/sprig-is-an-open-source-handheld-game-console/) ⌘ [Read more](https://hackaday.com/2022/11/10/sprig-is-an-open-source-handheld-game-console/)
2022-11-10T15:00:56Z	**The Importance of Physical Models: How Not to Shoot Yourself in the Foot or Anywhere Else**
![](https://hackaday.com/wp-content/uploads/2022/11/unnamed_featured.png?w=800)

We take shortcuts all the time with our physical models. We rarely consider that wire has any resistance, for example, or that batteries have a source impedance. That’s fine up […read more](https://hackaday.com/2022/11/10/the-importance-of-physical-models-how-not-to-shoot-yoursel ... ⌘ [Read more](https://hackaday.com/2022/11/10/the-importance-of-physical-models-how-not-to-shoot-yourself-in-the-foot-or-anywhere-else/)
2022-11-10T16:30:51Z	**Building a Sinclair ZX81 in 2022 With All New Parts**
![](https://hackaday.com/wp-content/uploads/2022/11/new-zx-featured.jpg?w=800)

As the supply of genuine retrocomputers dwindles and their prices skyrocket, enthusiasts are turning their eyes in other directions to satisfy their need for 8-bit pixelated goodness. Some take the […read more](https://hackaday.com/2022/11/10/building-a-sinclair-zx81-in-2022-with-all-new-parts/) ⌘ [Read more](https://hackaday.com/2022/11/10/building-a-sinclair-zx81-in-2022-with-all-new-parts/)
2022-11-10T19:30:10Z	**Trigger Your Home Automation Routines With Home Buttons**
![](https://hackaday.com/wp-content/uploads/2022/11/8673561667316400875-featured.png?w=800)

Home automation systems are all well and good, so long as the person who built it all is around to drive it. Let’s face it, they’re quite often a complex […read more](https://hackaday.com/2022/11/10/trigger-your-home-automation-routines-with-home-buttons/) ⌘ [Read more](https://hackaday.com/2022/11/10/trigger-your-home-automation-routines-with-home-buttons/)
2022-11-10T21:00:36Z	**A DIY Equatorial Mount Using Harmonic Drives**
![DIY equatorial mount](https://hackaday.com/wp-content/uploads/2022/11/design1-featured.png?w=800)

As an amateur astrophotographer will tell you, you just don’t get to capture the really interesting objects without spending a ton of money on some decent pieces of kit. Telescope […read more](https://hackaday.com/2022/11/10/a-diy-equatorial-mount-using-harmonic-drives/) ⌘ [Read more](https://hackaday.com/2022/11/10/a-diy-equatorial-mount-using-harmonic-drives/)
2022-11-11T00:00:02Z	**Upgrading a Line Trimmer With 3D Printed Parts**
![](https://hackaday.com/wp-content/uploads/2022/11/photo03.jpg?w=800)

Many have complained about the hassle of rewinding their weed whackers with fresh trimmer line. Manufacturers responded by making models with solid plastic blades instead. Some of these suck, though, […read more](https://hackaday.com/2022/11/10/upgrading-a-line-trimmer-with-3d-printed-parts/) ⌘ [Read more](https://hackaday.com/2022/11/10/upgrading-a-line-trimmer-with-3d-printed-parts/)
2022-11-11T03:00:38Z	**Dot-Painting Graffiti Machine Is Wonderfully Simple**
![](https://hackaday.com/wp-content/uploads/2022/11/maxresdefault-2.jpg?w=800)

Traditionally, when many of us think of graffiti, we think of artists spraying away with simple paint cans. However, there’s often a lot of tech and art that goes into […read more](https://hackaday.com/2022/11/10/dot-painting-graffiti-machine-is-wonderfully-simple/) ⌘ [Read more](https://hackaday.com/2022/11/10/dot-painting-graffiti-machine-is-wonderfully-simple/)
2022-11-11T06:00:54Z	**Computer Space Flies Again**
![](https://hackaday.com/wp-content/uploads/2022/11/computer_space0-e1668043081907.jpeg?w=800)

[Sean] from Classic Arcade Repairs fixes classic arcade machines, and he got a request to repair a very special machine. It’s Computer Space, the first commercial arcade cabinet ever made, […read more](https://hackaday.com/2022/11/10/computer-space-flies-again/) ⌘ [Read more](https://hackaday.com/2022/11/10/computer-space-flies-again/)
2022-11-11T09:00:12Z	**Oh Snap! 3D Printing Snapping Parts Without Breakage**
![](https://hackaday.com/wp-content/uploads/2022/11/snap.png?w=800)

One of the great things about plastic is that it can be relatively flexible. We see things all the time that snap together, but when 3D printing, you don’t often […read more](https://hackaday.com/2022/11/11/oh-snap-3d-printing-snapping-parts-without-breakage/) ⌘ [Read more](https://hackaday.com/2022/11/11/oh-snap-3d-printing-snapping-parts-without-breakage/)
2022-11-11T12:00:57Z	**Surface-Mount Light Breathes Life into Your Project**
![Surface Mount Breathing Light PCB, using LM358 op-amp](https://hackaday.com/wp-content/uploads/2022/11/8834881667818636394.png?w=800)

If you’ve ever seen those gadgets with the “breathing light” LEDs on them and wondered how to do it, then [DIY GUY Chris] can show you how to design your […read more](https://hackaday.com/2022/11/11/surface-mount-light-breathes-life-into-your-project/) ⌘ [Read more](https://hackaday.com/2022/11/11/surface-mount-light-breathes-life-into-your-project/)
2022-11-11T15:00:52Z	**This Week in Security: Microsoft Patches, Typosquatting Continues, and Code Signing for All**
![](https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800)

The pair of Outlook vulnerabilities we’ve been tracking have finally been patched, along with another handful of fixes this Patch Tuesday, a total of six being 0-day exploits. The third […read more](https://hackaday.com/2022/11/11/this-week-in-security-microsoft-patches-typosquatting-c ... ⌘ [Read more](https://hackaday.com/2022/11/11/this-week-in-security-microsoft-patches-typosquatting-continues-and-code-signing-for-all/)
2022-11-11T16:00:00Z	**This Crosswalk Sign Costume Is a Halloween Hit**
![](https://hackaday.com/wp-content/uploads/2022/11/FL3O2NZLA13DIFJ-e1668057220357.jpg?w=800)

Halloween costumes can be anything from an expensive authentic recreation of a character’s garb, to a cheap knockoff bought from one of those overcrowded pop-up stores. Alternatively, you can get […read more](https://hackaday.com/2022/11/11/this-crosswalk-sign-costume-is-a-halloween-hit/) ⌘ [Read more](https://hackaday.com/2022/11/11/this-crosswalk-sign-costume-is-a-halloween-hit/)
2022-11-11T17:00:42Z	**Hackaday Podcast 192: Supercon was Awesome, How to Grind ICs and Make Your Own Telescope**
![](https://hackaday.com/wp-content/uploads/2016/05/microphone.jpg?w=800)

This week, Editor-in-Chief Elliot Williams and Managing Editor Tom Nardi are still flying high on their post-Supercon buzz (and are a bit jet lagged) this week. We’ll start with some […read more](https://hackaday.com/2022/11/11/hackaday-podcast-192-supercon-was-awesome-how-to-grind-ics-an ... ⌘ [Read more](https://hackaday.com/2022/11/11/hackaday-podcast-192-supercon-was-awesome-how-to-grind-ics-and-make-your-own-telescope/)
2022-11-11T19:30:24Z	**Concrete Boat Cements Its Way To High Speeds**
![](https://hackaday.com/wp-content/uploads/2022/11/concrete-boat-featured.jpg?w=800)

Steel is scarce. Wood is not an option. And you need a boat now. These wartime circumstances drove innovation in all kinds of crazy directions, and one somewhat less crazy […read more](https://hackaday.com/2022/11/11/concrete-boat-cements-its-way-to-high-speeds/) ⌘ [Read more](https://hackaday.com/2022/11/11/concrete-boat-cements-its-way-to-high-speeds/)
2022-11-11T21:00:20Z	**Scratch Built Wind Turbine Makes Power And Turns Heads**
![](https://hackaday.com/wp-content/uploads/2022/11/krisharbour-wind-featured.jpg?w=800)

If you’ve ever aspired to live off the grid, then it’s likely that one of the first things you considered was how to power all of your electrical necessities, and […read more](https://hackaday.com/2022/11/11/scratch-built-wind-turbine-makes-power-and-turns-heads/) ⌘ [Read more](https://hackaday.com/2022/11/11/scratch-built-wind-turbine-makes-power-and-turns-heads/)
2022-11-12T00:00:41Z	**First Folding iPhone Doesn’t Come from Apple**
![An iPhone sits in a users hand open to the YouTube app. What is unusual is that the iPhone is bent in an L shape and is still functioning properly.](https://hackaday.com/wp-content/uploads/2022/11/iPhone-folding-phone-KJMX-review-iPhoneV-300-Days-YouTube-13-28.jpeg?w=800)

Folding phones are all the rage these days, with many of the major smartphone manufacturer’s having something in this form factor. Apple has been conspicuously absent in this  ... ⌘ [Read more](https://hackaday.com/2022/11/11/first-folding-iphone-doesnt-come-from-apple/)
2022-11-12T03:00:49Z	**Bike-Riding Skeleton Stalks The Streets on Halloween**
![](https://hackaday.com/wp-content/uploads/2022/11/Skeleton-Sidecar-Radio-Controlled-0-4-screenshot-e1668140390997.png?w=800)

Stationary pumpkins and motionless skeletons aren’t enough to scare people these days. If you want to really create a fright on Halloween, you need something more convincing. This bike-riding skeleton […read more](https://hackaday.com/2022/11/11/bike-riding-skeleton-stalks-the-streets-on-halloween/) ⌘ [Read more](https://hackaday.com/2022/11/11/bike-riding-skeleton-stalks-the-streets-on-halloween/)
2022-11-12T06:00:23Z	**3D Printer Repurposed for Light-Duty Lab Automation Tasks**
![](https://hackaday.com/wp-content/uploads/2022/11/mmc1.jpg?w=800)

Laboratory automation equipment is expensive stuff, to such a degree that small labs are often priced out of the market. That’s a shame, because there are a lot of tedious […read more](https://hackaday.com/2022/11/11/3d-printer-repurposed-for-light-duty-lab-automation-tasks/) ⌘ [Read more](https://hackaday.com/2022/11/11/3d-printer-repurposed-for-light-duty-lab-automation-tasks/)
2022-11-12T09:00:14Z	**Robot Gets a Life-Sized Pokemon Costume For Halloween**
![](https://hackaday.com/wp-content/uploads/2022/11/Life-Sized-Robotic-Jolteon-10-21-screenshot-1.png?w=800)

Quadruped robots are everywhere now that companies like Boston Dynamics are shipping smaller models in big numbers. [Dave’s Armoury] had one such robot, and wanted to give it a Pokemon […read more](https://hackaday.com/2022/11/12/robot-gets-a-life-sized-pokemon-costume-for-halloween/) ⌘ [Read more](https://hackaday.com/2022/11/12/robot-gets-a-life-sized-pokemon-costume-for-halloween/)
2022-11-12T12:00:37Z	**A Muppet on a Tricycle**
![](https://hackaday.com/wp-content/uploads/2022/11/muppet-tricycle.png?w=800)

[Donald Bell] wanted to recreate the magic of seeing Kermit on a tricycle from a 2018 NY Maker Faire he attended, so he created his own take of a Muppet […read more](https://hackaday.com/2022/11/12/a-muppet-on-a-tricycle/) ⌘ [Read more](https://hackaday.com/2022/11/12/a-muppet-on-a-tricycle/)
2022-11-12T15:00:45Z	**Welcome Back, Supercon!**
![](https://hackaday.com/wp-content/uploads/2022/11/L1000596_featured.png?w=800)

The last two Novembers, Hackaday’s annual gathering was held in remote mode: Remoticon instead of Supercon. While still recovering from jetlag, I’m reflecting on the pros and cons of live […read more](https://hackaday.com/2022/11/12/welcome-back-supercon/) ⌘ [Read more](https://hackaday.com/2022/11/12/welcome-back-supercon/)
2022-11-12T18:00:00Z	**Bicycle Inner Tube Becomes Rugged Pencil Case**
![](https://hackaday.com/wp-content/uploads/2022/11/F06M8ZYL9ZNH6EW-1-e1668059263887.jpg?w=800)

If you’re a cyclist that lives in an area with poorly-maintained infrastructure, you’ll likely have plenty of punctured inner tubes begging for reuse. Consider crafting them into a rugged, hard-wearing […read more](https://hackaday.com/2022/11/12/bicycle-inner-tube-becomes-rugged-pencil-case/) ⌘ [Read more](https://hackaday.com/2022/11/12/bicycle-inner-tube-becomes-rugged-pencil-case/)
2022-11-12T21:00:00Z	**DIY Streamdeck Helps You Professionalize Your Twitch Show**
![](https://hackaday.com/wp-content/uploads/2022/11/Amazing-Stream-Deck-Homemade-With-Touchscreen-Arduino-RGB-0-11-screenshot.png?w=800)

The one thing that separates the pros on Twitch from the dilettantes is the production values. It’s all about the smooth transitions, and you’ll never catch the big names fiddling […read more](https://hackaday.com/2022/11/12/diy-streamdeck-helps-you-professionalize-your-twitch-show/) ⌘ [Read more](https://hackaday.com/2022/11/12/diy-streamdeck-helps-you-professionalize-your-twitch-show/)
2022-11-13T00:00:00Z	**Bringing Up an Old Motherboard Is a Delicate Process**
![](https://hackaday.com/wp-content/uploads/2022/11/1920x1080-vtime15_00-take2022-11-11-11.51.53.png?w=800)

If you were around for the early days of the personal computer revolution, you’ll no doubt recall the excitement every time IBM announced a new version of its beige boxes. […read more](https://hackaday.com/2022/11/12/bringing-up-an-old-motherboard-is-a-delicate-process/) ⌘ [Read more](https://hackaday.com/2022/11/12/bringing-up-an-old-motherboard-is-a-delicate-process/)
2022-11-13T03:00:00Z	**A Private View of a Public Transport Sign**
![an RGB LED display showing expected arrival times of trams and buses sitting on a table](https://hackaday.com/wp-content/uploads/2022/11/sign_primary.png?w=800)

[Stefan Schüller] was a fan of the LED signs that display arrival information for the trams and buses in their city of Zürich. [Stefan] was having trouble finding a source […read more](https://hackaday.com/2022/11/12/a-private-view-of-a-public-transport-sign/) ⌘ [Read more](https://hackaday.com/2022/11/12/a-private-view-of-a-public-transport-sign/)
2022-11-13T06:00:00Z	**Protect Your Property with This Fire-Breathing Billionaire**
![](https://hackaday.com/wp-content/uploads/2022/11/1920x1080-vtime6_16-take2022-11-10-08.37.25.png?w=800)

Let’s face it: if you can’t trust a fire-breathing billionaire industrialist to protect your stuff, who can you trust? (Video, embedded below.) This one is straight out of the Really […read more](https://hackaday.com/2022/11/12/protect-your-property-with-this-fire-breathing-billionaire/) ⌘ [Read more](https://hackaday.com/2022/11/12/protect-your-property-with-this-fire-breathing-billionaire/)
2022-11-13T09:00:41Z	**RFID Sticker on Bike Helmet Grants Garage Access**
![](https://hackaday.com/wp-content/uploads/2022/11/Using-My-Mountain-Bike-Helmet-to-Open-My-Garage-Door-0-0-screenshot.png?w=800)

[Glen] might describe his project of opening his garage door by way of an RFID sticker on his bike helmet as simple, but some of the interfacing he needed to […read more](https://hackaday.com/2022/11/13/rfid-sticker-on-bike-helmet-grants-garage-access/) ⌘ [Read more](https://hackaday.com/2022/11/13/rfid-sticker-on-bike-helmet-grants-garage-access/)
2022-11-13T12:00:00Z	**Go Fly a Kite**
![](https://hackaday.com/wp-content/uploads/2022/11/kite-generator-main.jpg?w=800)

Harvesting energy from the wind has been a commercially viable way of generating clean energy for around three decades now. Wind turbines are a reliable, proven technology but they do […read more](https://hackaday.com/2022/11/13/go-fly-a-kite/) ⌘ [Read more](https://hackaday.com/2022/11/13/go-fly-a-kite/)
2022-11-13T15:00:00Z	**Dial-Up Internet Over WhatsApp**
![](https://hackaday.com/wp-content/uploads/2022/11/whatsapp_tunnel.gif?w=800)

As we returned from Supercon 2022, we noticed many airlines offer free in-flight messaging. While the messages are handy for complaining about the seat size, it isn’t quite as exciting […read more](https://hackaday.com/2022/11/13/dial-up-internet-over-whatsapp/) ⌘ [Read more](https://hackaday.com/2022/11/13/dial-up-internet-over-whatsapp/)
2022-11-13T18:00:00Z	**DIY USB Charging The Right Way**
![](https://hackaday.com/wp-content/uploads/2022/11/usb-charger-main.jpg?w=800)

Since the widespread adoption of USB 1.1 in the 90s, USB has become the de facto standard for connecting most peripherals to our everyday computers. The latest revision of the […read more](https://hackaday.com/2022/11/13/diy-usb-charging-the-right-way/) ⌘ [Read more](https://hackaday.com/2022/11/13/diy-usb-charging-the-right-way/)
2022-11-13T21:00:00Z	**Emulate Any ISA Card With A Raspberry Pi and an FPGA**
![A 386 motherboard with a custom ISA card plugged in](https://hackaday.com/wp-content/uploads/2022/11/FrankenPiFPGA.png?w=800)

One of the reasons the IBM PC platform became the dominant standard for desktop PCs back in the mid-1980s was its open hardware design, based around what would later be […read more](https://hackaday.com/2022/11/13/emulate-any-isa-card-with-a-raspberry-pi-and-an-fpga/) ⌘ [Read more](https://hackaday.com/2022/11/13/emulate-any-isa-card-with-a-raspberry-pi-and-an-fpga/)
2022-11-14T00:00:05Z	**Hackaday Links: November 13, 2022**
![Hackaday Links Column Banner](https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800)

Talk about playing on hard mode! The news this week was rife with stories about Palmer Luckey’s murder-modified VR headset, which ostensibly kills the wearer if their character dies in-game. […read more](https://hackaday.com/2022/11/13/hackaday-links-november-13-2022/) ⌘ [Read more](https://hackaday.com/2022/11/13/hackaday-links-november-13-2022/)
2022-11-14T03:00:00Z	**Circadian Lighting For the Home Via Home Assistant**
![](https://hackaday.com/wp-content/uploads/2022/11/large-e1668142011571.jpg?w=800)

Artificial lighting is great, in that it lets us work and live well into the night. However, our bodies are dependent on the natural lighting cycles of the sun as […read more](https://hackaday.com/2022/11/13/circadian-lighting-for-the-home-via-home-assistant/) ⌘ [Read more](https://hackaday.com/2022/11/13/circadian-lighting-for-the-home-via-home-assistant/)
2022-11-14T06:00:00Z	**Power Up Vintage Electronics Less Unsafely With a Dim-Bulb Tester**
![](https://hackaday.com/wp-content/uploads/2022/11/dim-bulb-tester-DIY-1.jpg?w=800)

Plugging in something like an antique radio to see if it works is a good way to have a bad time, because some old components don’t age well. For vintage […read more](https://hackaday.com/2022/11/13/power-up-vintage-electronics-less-unsafely-with-a-dim-bulb-tester/) ⌘ [Read more](https://hackaday.com/2022/11/13/power-up-vintage-electronics-less-unsafely-with-a-dim-bulb-tester/)
2022-11-14T09:00:00Z	**3D Printer Z Sensor Claims 0.01 mm Resolution**
![](https://hackaday.com/wp-content/uploads/2022/11/level.png?w=800)

Early 3D printers usually had a microswitch that let you know when the Z axis was at the zero point. There was usually an adjustment screw so you could tune […read more](https://hackaday.com/2022/11/14/3d-printer-z-sensor-claims-0-01mm-resolution/) ⌘ [Read more](https://hackaday.com/2022/11/14/3d-printer-z-sensor-claims-0-01mm-resolution/)
2022-11-14T12:00:00Z	**Arduino Brings A MicroPython IDE**
![Screenshot of the Arduino Lab for MicroPython](https://hackaday.com/wp-content/uploads/2022/11/had_arduino_upy_feat.png?w=800)

Both Arduino and MicroPython are giants when it comes to the electronics education area, and each one of them represents something you can’t pass up on as an educator. Arduino […read more](https://hackaday.com/2022/11/14/arduino-brings-a-micropython-ide/) ⌘ [Read more](https://hackaday.com/2022/11/14/arduino-brings-a-micropython-ide/)
2022-11-14T15:00:37Z	**On Getting a Computer’s Attention and Striking Up a Conversation**
![](https://hackaday.com/wp-content/uploads/2022/11/Listening.jpg?w=800)

With the rise in voice-driven virtual assistants over the years, the sight of people talking to various electrical devices in public and in private has become rather commonplace. While such […read more](https://hackaday.com/2022/11/14/on-getting-a-computers-attention-and-striking-up-a-conversation/) ⌘ [Read more](https://hackaday.com/2022/11/14/on-getting-a-computers-attention-and-striking-up-a-conversation/)
2022-11-14T16:30:00Z	**ColecoVision Barn Find Gets Wireless Makeover**
![A home-made wireless game controller](https://hackaday.com/wp-content/uploads/2022/11/ColecoVision-Controller.jpeg?w=800)

Few things are more satisfying than finding an old, forgotten piece of technology somewhere and bringing it back to life. And while it’s great to see a rare sports car […read more](https://hackaday.com/2022/11/14/colecovision-barn-find-gets-wireless-makeover/) ⌘ [Read more](https://hackaday.com/2022/11/14/colecovision-barn-find-gets-wireless-makeover/)
2022-11-14T19:30:00Z	**Automatic Lens Cover Helps Cameras Cover Space Launches**
![](https://hackaday.com/wp-content/uploads/2022/11/scupper-e1668141205382.jpg?w=800)

Shooting space launches often requires the use of remote cameras for safety reasons. However, that means there’s no photographer on hand to wipe lenses down if they happen to get […read more](https://hackaday.com/2022/11/14/automatic-lens-cover-helps-cameras-cover-space-launches/) ⌘ [Read more](https://hackaday.com/2022/11/14/automatic-lens-cover-helps-cameras-cover-space-launches/)
2022-11-14T21:00:49Z	**Lego Race Car Simulator Is Like a Mechanical Arcade Game**
![](https://hackaday.com/wp-content/uploads/2022/11/Making-Interactive-Race-Car-Simulator-Lego-Technic-lego-3-11-screenshot.png?w=800)

We’ve all played some variant of that simple old racing video game. It’s the one that involves swerving around cars in front without crashing, as the pace steadily increases further. […read more](https://hackaday.com/2022/11/14/lego-race-car-simulator-is-like-a-mechanical-arcade-game/) ⌘ [Read more](https://hackaday.com/2022/11/14/lego-race-car-simulator-is-like-a-mechanical-arcade-game/)
2022-11-15T00:00:08Z	**Generating Two-Factor Authentication Codes With a Commodore 64**
![A Commodore SX-64 showing a six-digit code and a countdown timer](https://hackaday.com/wp-content/uploads/2022/11/Commodore-SX-64-Authenticator.jpg?w=800)

If you’ve used a corporate VPN or an online-banking system in the past fifteen years or so, chances are you’ve got a few of those little authenticator key fobs lying […read more](https://hackaday.com/2022/11/14/generating-two-factor-authentication-codes-wi ... ⌘ [Read more](https://hackaday.com/2022/11/14/generating-two-factor-authentication-codes-with-a-commodore-64/)
2022-11-15T03:00:19Z	**Pretty Petite Picolibc Powers Processors**
![](https://hackaday.com/wp-content/uploads/2022/11/lib.png?w=800)

Many times when someone tells you that language X is “better” at something they really mean that it has better built-in libraries for that task. Java is a great example. […read more](https://hackaday.com/2022/11/14/pretty-petite-picolibc-powers-processors/) ⌘ [Read more](https://hackaday.com/2022/11/14/pretty-petite-picolibc-powers-processors/)
2022-11-15T06:00:37Z	**A Single Board Computer From A TV**
![](https://hackaday.com/wp-content/uploads/2022/11/tv-linux-featured.jpg?w=800)

It is an annoyance for some members of our community, that it has become almost impossible to buy a TV that’s not a so-called “smart” TV. These units contain a […read more](https://hackaday.com/2022/11/14/a-single-board-computer-from-a-tv/) ⌘ [Read more](https://hackaday.com/2022/11/14/a-single-board-computer-from-a-tv/)
2022-11-15T09:00:09Z	**Shrinking the XBox 360**
![A green highlight emphasizes a cut-down XBox 360 motherboard on top of an intact board. The cut-down board is less than half the size of the intact one.](https://hackaday.com/wp-content/uploads/2022/11/XBox-360.jpeg?w=800)

One of the coolest things in the retro gaming scene is making desktop consoles into portables. [Millomaker] is building an XBox 360 handheld, and the first step is shrinking the […read more](https://hackaday.com/2022/11/15/shrinking-the-xbox-360/) ⌘ [Read more](https://hackaday.com/2022/11/15/shrinking-the-xbox-360/)
2022-11-15T12:00:07Z	**New Part Day: The Smallest Batteries You Have Ever Seen**
![](https://hackaday.com/wp-content/uploads/2022/11/smd-cell-featured.jpg?w=800)

We’re used to some pretty small batteries in miniaturized electronics, thanks to the manufacture of lithium-polymer pouch cells. But they’re still pretty big, and they’re hardly the most stable power […read more](https://hackaday.com/2022/11/15/new-part-day-the-smallest-batteries-you-have-ever-seen/) ⌘ [Read more](https://hackaday.com/2022/11/15/new-part-day-the-smallest-batteries-you-have-ever-seen/)
2022-11-15T15:00:04Z	**The Blood Factory: New Research May Open the Door to Artificial Blood**
![](https://hackaday.com/wp-content/uploads/2022/11/Blood.jpg?w=800)

There were news stories afoot this week with somewhat breathless headlines that suggested a medical breakthrough was at hand: “In a 1st, two people receive transfusions of lab-grown blood cells.” […read more](https://hackaday.com/2022/11/15/the-blood-factory-new-research-may-open-the-door-to-artificial-blood/) ⌘ [Read more](https://hackaday.com/2022/11/15/the-blood-factory-new-research-may-open-the-door-to-artificial-blood/)
2022-11-15T16:30:47Z	**Blender Builds LEGO Models**
![](https://hackaday.com/wp-content/uploads/2022/11/lego-blender-main.png?w=800)

Blender is a free and open source computer graphics package that’s used in the production of everything from video games to feature films. Now, as demonstrated by [Joey Carlino], the […read more](https://hackaday.com/2022/11/15/blender-builds-lego-models/) ⌘ [Read more](https://hackaday.com/2022/11/15/blender-builds-lego-models/)
2022-11-15T18:00:52Z	**EV Sales Sticking Point: People Still Want Manual Transmissions**
![](https://hackaday.com/wp-content/uploads/2020/05/StickShift.jpg?w=800)

Call me crazy, but I’m ride or die for manual transmissions. I drove enough go-karts and played enough Pole Position as a kid to know that shifting the gears yourself […read more](https://hackaday.com/2022/11/15/ev-sales-sticking-point-people-still-want-manual-transmissions/) ⌘ [Read more](https://hackaday.com/2022/11/15/ev-sales-sticking-point-people-still-want-manual-transmissions/)
2022-11-15T19:30:00Z	**Mastodon Comes To The IBM PC**
![](https://hackaday.com/wp-content/uploads/2022/11/dostodon-featured.jpg?w=800)

Elon Musk has bought Twitter for an eye-watering sum, and his live adventures in chaotic mismanagement of a social media company have become a compelling performance for the rest of […read more](https://hackaday.com/2022/11/15/mastodon-comes-to-the-ibm-pc/) ⌘ [Read more](https://hackaday.com/2022/11/15/mastodon-comes-to-the-ibm-pc/)
2022-11-15T21:00:13Z	**Getting to the Heart of a Baofeng**
![](https://hackaday.com/wp-content/uploads/2022/11/854x480-vtime7_23-take2022-11-14-16.50.48.png?w=800)

In amateur radio circles, almost no single piece of equipment serves as more of a magnet for controversy than the humble Baofeng handheld transceiver. It’s understandable — the radio is […read more](https://hackaday.com/2022/11/15/getting-to-the-heart-of-a-baofeng/) ⌘ [Read more](https://hackaday.com/2022/11/15/getting-to-the-heart-of-a-baofeng/)
2022-11-16T00:00:43Z	**Wearable Sensor Trained to Count Coughs**
![](https://hackaday.com/wp-content/uploads/2022/11/cough-sensor-main.jpg?w=800)

There are plenty of problems that are easy for humans to solve, but are almost impossibly difficult for computers. Even though it seems that with modern computing power being what […read more](https://hackaday.com/2022/11/15/wearable-sensor-trained-to-count-coughs/) ⌘ [Read more](https://hackaday.com/2022/11/15/wearable-sensor-trained-to-count-coughs/)
2022-11-16T03:00:20Z	**Rapid Prototyping to Measure Turbidity in Rapids**
![A two picture montage with the left montage showing a pair of hands holding an assembled and closed turbidity sensor and the right picture showing A pair of hands holding the screw on cap for the turbidity sensor and a prototype board against a backdrop of green leave](https://hackaday.com/wp-content/uploads/2022/11/turbidity_primary.png?w=800)

[RiverTechJess] is in the process of getting a PhD in environmental engineering and has devo ... ⌘ [Read more](https://hackaday.com/2022/11/15/rapid-prototyping-to-measure-turbidity-in-rapids/)
2022-11-16T06:00:04Z	**Digitize Your Slide Deck With This Arduino-Powered Slide Carousel**
![A slide carousel with a DSLR attached to its lens output](https://hackaday.com/wp-content/uploads/2022/11/Arduino-Slide-Digitizer.png?w=800)

If you’re above a certain age, you probably remember the atmosphere of a pre-Powerpoint 35 mm slide show. The wobbly screen being unrolled, the darkened room, the soft hum of […read more](https://hackaday.com/2022/11/15/digitize-your-slide-deck-with-this-arduino-p ... ⌘ [Read more](https://hackaday.com/2022/11/15/digitize-your-slide-deck-with-this-arduino-powered-slide-carousel/)
2022-11-16T09:00:36Z	**Listen to 64 MHz at Once**
![](https://hackaday.com/wp-content/uploads/2022/11/sdr.png?w=800)

We imagine that if [Tech Minds] told us he was listening to the HF bands, we might ask him which one? His reply might just be “All of them.” That’s […read more](https://hackaday.com/2022/11/16/listen-to-64-mhz-at-once/) ⌘ [Read more](https://hackaday.com/2022/11/16/listen-to-64-mhz-at-once/)
2022-11-16T12:00:47Z	**Bringing the Hinge to a 1990s Game Boy**
![](https://hackaday.com/wp-content/uploads/2022/11/gb-pocket-sp-featured.jpg?w=800)

The new hotness in mobile phones is it seems a hinge, and an ever-so-fragile flexible LCD display. There’s nothing new in a hinge of course, a couple of decades ago […read more](https://hackaday.com/2022/11/16/bringing-the-hinge-to-a-1990s-game-boy/) ⌘ [Read more](https://hackaday.com/2022/11/16/bringing-the-hinge-to-a-1990s-game-boy/)
2022-11-16T15:00:50Z	**Interview: Stuart Semple on Pantone, Freetone, Colour, And Open Source**
![](https://hackaday.com/wp-content/uploads/2022/11/Freetone.jpg?w=800)

We recently covered the removal of Pantone colour support from the Adobe cloud products, with the two companies now expecting artists and designers to pay an extra subscription for a […read more](https://hackaday.com/2022/11/16/interview-stuart-semple-on-pantone-freetone-colour-and-open-source/) ⌘ [Read more](https://hackaday.com/2022/11/16/interview-stuart-semple-on-pantone-freetone-colour-and-open-source/)
2022-11-16T16:30:39Z	**Reverse Engineering Reveals EV Charger Has a Sense of Security**
![](https://hackaday.com/wp-content/uploads/2022/11/zaptec.jpg?w=800)

As more and more electric vehicles penetrate the market, there’s going to have to be a proportional rise in the number of charging stations that are built into parking garages, […read more](https://hackaday.com/2022/11/16/reverse-engineering-reveals-ev-charger-has-a-sense-of-security/) ⌘ [Read more](https://hackaday.com/2022/11/16/reverse-engineering-reveals-ev-charger-has-a-sense-of-security/)
2022-11-16T18:00:25Z	**Will the Fax Machine Ever Stop Singing?**
![](https://hackaday.com/wp-content/uploads/2022/11/5511259393_ccf8661cc7_k_featured.png?w=800)

Throughout the 80s and 90s, you couldn’t swing a stapler around any size office without hitting a fax machine. But what is it about the fax machine that makes it […read more](https://hackaday.com/2022/11/16/will-the-fax-machine-ever-stop-singing/) ⌘ [Read more](https://hackaday.com/2022/11/16/will-the-fax-machine-ever-stop-singing/)
2022-11-16T19:30:57Z	**Is This The Smallest CP/M Machine Ever?**
![](https://hackaday.com/wp-content/uploads/2022/11/tiny-cpm-featured.jpg?w=800)

If you had an office word processor in the late 1970s, the chances are it ran Digital Research’s CP/M operating system. IBM went for Microsoft in the 1980s and the […read more](https://hackaday.com/2022/11/16/is-this-the-smallest-cp-m-machine-ever/) ⌘ [Read more](https://hackaday.com/2022/11/16/is-this-the-smallest-cp-m-machine-ever/)
2022-11-16T21:00:51Z	**PCB Hotplate Has Integrated Heating Element Traces**
![](https://hackaday.com/wp-content/uploads/2022/11/FLX0PM1LACIFNG1-e1668572002136.jpg?w=800)

Normally when we talk about PCBs and hotplates, we’re talking about reflowing solder. In this build from [Arnov Sharma], though, the PCB itself is the hotplate! The idea was to […read more](https://hackaday.com/2022/11/16/pcb-hotplate-has-integrated-heating-element-traces/) ⌘ [Read more](https://hackaday.com/2022/11/16/pcb-hotplate-has-integrated-heating-element-traces/)
2022-11-17T00:00:29Z	**Crazy Bike Frame Made Out Of 147 Nuts**
![](https://hackaday.com/wp-content/uploads/2022/11/maxresdefault-3.jpg?w=800)

Bike frames are most commonly made out of steel. If you’ve got money for something nicer though, you might go with something in aluminium or carbon fiber. [The Q] went […read more](https://hackaday.com/2022/11/16/crazy-bike-frame-made-out-of-147-nuts/) ⌘ [Read more](https://hackaday.com/2022/11/16/crazy-bike-frame-made-out-of-147-nuts/)
2022-11-17T03:00:04Z	**Better Sheet Metal Parts with Chemistry**
![](https://hackaday.com/wp-content/uploads/2022/11/parts.png?w=800)

[Applied Science] wanted to make some metal parts with a lot of holes. A service provider charged high tooling costs, so he decided to create his own parts using photochemical […read more](https://hackaday.com/2022/11/16/better-sheet-metal-parts-with-chemistry/) ⌘ [Read more](https://hackaday.com/2022/11/16/better-sheet-metal-parts-with-chemistry/)
2022-11-17T06:00:43Z	**Portable Monitor Extension for Nintendo Switch**
![A 12" LCD screen sits between speakers (on lower half of bezel) and joycon controllers are attached on the upper half of the bezel.](https://hackaday.com/wp-content/uploads/2022/11/Switch.jpeg?w=800)

Handheld consoles are always a tradeoff between portability and screen real estate. [Pavlo Khmel] felt that the Nintendo Switch erred too much on the side of portability, and built an […read more](https://hackaday.com/2022/11/16/portable-monit ... ⌘ [Read more](https://hackaday.com/2022/11/16/portable-monitor-extension-for-nintendo-switch/)
2022-11-17T09:00:35Z	**Number Stations Gone Wild**
![](https://hackaday.com/wp-content/uploads/2022/11/num.png?w=800)

[Ringway Manchester] has an interest in numbers stations. These mysterious stations send presumably coded numbers or other coded information. However, it is rare that anyone claims credit for these stations. […read more](https://hackaday.com/2022/11/17/number-stations-gone-wild/) ⌘ [Read more](https://hackaday.com/2022/11/17/number-stations-gone-wild/)
2022-11-17T12:00:53Z	**Tiny Palm-Sized Crossbow Build is Cute and Dangerous**
![](https://hackaday.com/wp-content/uploads/2022/11/Making-a-Micro-Spring-Crossbow-0-4-screenshot.png?w=800)

Crossbows were a major development in the history of weaponry. They enabled lesser-skilled soldiers to shoot arrows at great speed in a compact form-factor. You can now build your own […read more](https://hackaday.com/2022/11/17/tiny-palm-sized-crossbow-build-is-cute-and-dangerous/) ⌘ [Read more](https://hackaday.com/2022/11/17/tiny-palm-sized-crossbow-build-is-cute-and-dangerous/)
2022-11-17T15:00:38Z	**TV Repair by Mail**
![](https://hackaday.com/wp-content/uploads/2022/11/Mail.jpg?w=800)

I don’t think there was ever a correspondence school called the “Close Cover Before Striking School” but since book matches — which used to be a thing when most people […read more](https://hackaday.com/2022/11/17/tv-repair-by-mail/) ⌘ [Read more](https://hackaday.com/2022/11/17/tv-repair-by-mail/)
2022-11-17T16:30:14Z	**Madness or Genius? FDM Printing with Resin**
![](https://hackaday.com/wp-content/uploads/2022/11/resin.png?w=800)

We aren’t sure what made him think of it, but [Proper Printing] decided to make an FDM printer lay down resin instead of filament. Why? We still aren’t sure, but […read more](https://hackaday.com/2022/11/17/madness-or-genius-fdm-printing-with-resin/) ⌘ [Read more](https://hackaday.com/2022/11/17/madness-or-genius-fdm-printing-with-resin/)
2022-11-17T19:30:55Z	**Simple Plywood Lamp Has Neat Hidden Switch**
![](https://hackaday.com/wp-content/uploads/2022/11/FS2YNT1LAFDASEV-1-e1668571355202.jpg?w=625)

Shortly after the development of the electric light came the light switch, presumably. Of course, obvious switches are old-hat, and this neat lamp build from [Giovanni Aggiustatutto] goes with a […read more](https://hackaday.com/2022/11/17/simple-plywood-lamp-has-neat-hidden-switch/) ⌘ [Read more](https://hackaday.com/2022/11/17/simple-plywood-lamp-has-neat-hidden-switch/)
2022-11-17T21:00:50Z	**Amphibious Dragster Drives On Water**
![](https://hackaday.com/wp-content/uploads/2022/11/How-to-Drive-On-Water-Amphibious-Dragster-0-1-screenshot.png?w=800)

Dragsters are typically about peak performance on a tarmac drag strip. [Engineering After Hours] took a different tack, though, building a radio-controlled amphibious dragster intended to cross small bodies of […read more](https://hackaday.com/2022/11/17/amphibious-dragster-drives-on-water/) ⌘ [Read more](https://hackaday.com/2022/11/17/amphibious-dragster-drives-on-water/)
2022-11-18T00:00:41Z	**Supercon Badge Reads A “Punch” Card**
![Hackaday supercon badge PCB showing illuminated activity lights after being loaded with a punch card](https://hackaday.com/wp-content/uploads/2022/11/4576461667864996570-featured.png?w=800)

This year’s Hackaday Supercon, the first since 2019 thanks to the pandemic, was a very similar affair to those of the past. Almost every hardware-orientated hacker event has its own […read more](https://hackaday.com/2022/11/17/supercon-badge-reads-a-punch-card/) ⌘ [Read more](https://hackaday.com/2022/11/17/supercon-badge-reads-a-punch-card/)
2022-11-18T03:00:45Z	**Logic via DNA**
![](https://hackaday.com/wp-content/uploads/2022/11/dna.png?w=800)

We often say you can make logic gates out of nearly anything. [Steve Mould] would agree as he just finished playing naughts and crosses (tic tac toe if you are […read more](https://hackaday.com/2022/11/17/logic-via-dna/) ⌘ [Read more](https://hackaday.com/2022/11/17/logic-via-dna/)
2022-11-18T06:00:56Z	**Building a LEGO Pneumatic Engine**
![](https://hackaday.com/wp-content/uploads/2022/11/Building-a-LEGO-Switchless-Pneumatic-Machine-6-8-screenshot.png?w=800)

Pneumatic engines aren’t something we use every day, but they’re compelling things to see working in practice. [Nico71] built an eye-catching example out of LEGO Technic, and it’s remarkably fully-featured. […read more](https://hackaday.com/2022/11/17/building-a-lego-pneumatic-engine/) ⌘ [Read more](https://hackaday.com/2022/11/17/building-a-lego-pneumatic-engine/)
2022-11-18T09:00:01Z	**Pop Your Way to a Fresh Roast Coffee**
![](https://hackaday.com/wp-content/uploads/2022/11/popcorn-coffee-roaster-featured.jpg?w=800)

The preparation and consumption of coffee has become something of an art from in our community, with many people going to extravagant lengths to achieve the perfect cup. [Eric Sorensen] […read more](https://hackaday.com/2022/11/18/pop-your-way-to-a-fresh-roast-coffee/) ⌘ [Read more](https://hackaday.com/2022/11/18/pop-your-way-to-a-fresh-roast-coffee/)
2022-11-18T12:00:41Z	**Supercon Balloon W6MRR-26 Continues its World Tour**
![Word Tour Map of High Altitude Balloon Launched at Hackaday Supercon.](https://hackaday.com/wp-content/uploads/2022/11/Supercon-Balloon.png?w=800)

[Martin Rothfield] and other amateur radio operators from San Francisco High Altitude Ballooning (SF-HAB) treated conference attendees to the 2022 Hackaday Supercon to the launch of two High Altitude Balloons […read more](https://hackaday.com/2022/11/18/supercon-balloon-continues-its-world-tour/) ⌘ [Read more](https://hackaday.com/2022/11/18/supercon-balloon-continues-its-world-tour/)
2022-11-18T15:00:43Z	**This Week in Security: Mastadon, Fake Software Company, and ShuffleCake**
![](https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800)

Due to Twitter’s new policy of testing new features on production, the interest in Mastodon as a potential replacement has skyrocketed. And what’s not to love? You can host it […read more](https://hackaday.com/2022/11/18/this-week-in-security-mastadon-fake-software-company-and-shufflecake/) ⌘ [Read more](https://hackaday.com/2022/11/18/this-week-in-security-mastadon-fake-software-company-and-shufflecake/)
2022-11-18T16:30:15Z	**Tiny RC Truck and Trailer Motors Around Tabletop**
![](https://hackaday.com/wp-content/uploads/2022/11/1_150-scale-DIY-Micro-RC-Truck-Trailer-11-2-screenshot-e1668576123340.png?w=800)

Most RC cars replicate real-world race cars or fantastical off-road buggies for outdoor escapades. [diorama111] is an expert at building tiny desk-roaming models, though, and built this exquisite micro semi-truck […read more](https://hackaday.com/2022/11/18/tiny-rc-truck-and-trailer-motors-around-tabletop/) ⌘ [Read more](https://hackaday.com/2022/11/18/tiny-rc-truck-and-trailer-motors-around-tabletop/)
2022-11-18T17:00:26Z	**Hackaday Podcast 193: Found Computers, Internet Over WhatsApp, Two-Factor C64, Shifting Cars, and Self-Shooting Fighter Planes**
![](https://hackaday.com/wp-content/uploads/2016/05/microphone.jpg?w=800)

This week, Editor-in-Chief Elliot Williams and Staff Writer Dan Maloney review the literature on a hack-packed week of action. We’ll find a Linux machine inside just about anything, including curb-side […read more](h ... ⌘ [Read more](https://hackaday.com/2022/11/18/hackaday-podcast-193-found-computers-internet-over-whatsapp-two-factor-c64-shifting-cars-and-self-shooting-fighter-planes/)
2022-11-18T19:00:37Z	**Faceless Clock Makes Your Think Twice About How It Works**
![](https://hackaday.com/wp-content/uploads/2022/11/1280x720-vtime0_42-take2022-11-17-13.40.53.png?w=800)

We love projects that make you do a double-take when you first see them. It’s always fun to think you see one thing, but then slowly realize everything is not […read more](https://hackaday.com/2022/11/18/faceless-clock-makes-your-think-twice-about-how-it-works/) ⌘ [Read more](https://hackaday.com/2022/11/18/faceless-clock-makes-your-think-twice-about-how-it-works/)
2022-11-18T21:00:00Z	**Augmented Reality Workbench Helps You to Debug Your Boards**
![A PCB with several points highlighted by a projection system](https://hackaday.com/wp-content/uploads/2022/11/Augmented-Reality-Debugging-Workbench.png?w=800)

No matter how advanced your design skills, the chances are you’ll need to spend some time chasing bugs in your boards after they come back from the assembly house. Testing […read more](https://hackaday.com/2022/11/18/augmented-reality-workbench-helps-you-to-de ... ⌘ [Read more](https://hackaday.com/2022/11/18/augmented-reality-workbench-helps-you-to-debug-your-boards/)
2022-11-19T00:00:29Z	**Scramblepad Teardown Reveals Complicated, Expensive Innards**
![](https://hackaday.com/wp-content/uploads/2022/11/Starting-Scramblepad-PIN-Entry-with-an-RFID-Proximity-Token-0-2-screenshot.png?w=800)

What’s a Scramblepad? It’s a type of number pad in which the numbers aren’t in fixed locations, and can only be seen from a narrow viewing angle. Every time the […read more](https://hackaday.com/2022/11/18/scramblepad-teardown-reveals-complicated-expensive-innards/) ⌘ [Read more](https://hackaday.com/2022/11/18/scramblepad-teardown-reveals-complicated-expensive-innards/)
2022-11-19T03:00:49Z	**DIY Robotic Platform Aims to Solve Walking in VR**
![](https://hackaday.com/wp-content/uploads/2022/11/TACO-VR-omnidirectional-treadmill-update-4-0-23-screenshot.png?w=800)

[Mark Dufour]’s TACO VR project is a sort of robotic platform that mimics an omnidirectional treadmill, and aims to provide a compact and easily transportable way to allow a user […read more](https://hackaday.com/2022/11/18/diy-robotic-platform-aims-to-solve-walking-in-vr/) ⌘ [Read more](https://hackaday.com/2022/11/18/diy-robotic-platform-aims-to-solve-walking-in-vr/)
2022-11-19T06:00:28Z	**Real Minecraft Furnace Generates Electricity From Coal**
![](https://hackaday.com/wp-content/uploads/2022/11/minecraft-furnace-featured.jpg?w=800)

There’s a furnace in Minecraft that is used to power all kinds of things in the game. [Joel] of Joel Creates decided he wanted to build a real-world replica, and […read more](https://hackaday.com/2022/11/18/real-minecraft-furnace-generates-electricity-from-coal/) ⌘ [Read more](https://hackaday.com/2022/11/18/real-minecraft-furnace-generates-electricity-from-coal/)
2022-11-19T09:00:59Z	**Simple Mod Lets Quadruped Robot Stand And Walk**
![](https://hackaday.com/wp-content/uploads/2022/11/standing-cheetah.png?w=800)

When it comes to locomotion, robots don’t typically do more than one thing at a time. Walkers stick to walking, and rollers stick to rolling. However, this simple method of […read more](https://hackaday.com/2022/11/19/simple-mod-lets-quadruped-robot-stand-and-walk/) ⌘ [Read more](https://hackaday.com/2022/11/19/simple-mod-lets-quadruped-robot-stand-and-walk/)
2022-11-19T12:00:13Z	**At a Loss For Words? Try a Teleprompter**
![](https://hackaday.com/wp-content/uploads/2022/11/tele.png?w=800)

With everyone doing videos these days, you might want to up your narration game with a teleprompter. [Modern Hobbyist] can help. Since he does videos — like the one about […read more](https://hackaday.com/2022/11/19/at-a-loss-for-words-try-a-teleprompter/) ⌘ [Read more](https://hackaday.com/2022/11/19/at-a-loss-for-words-try-a-teleprompter/)
2022-11-19T15:00:32Z	**Brainstorming**
![Art of 3D printer in the middle of printing a Hackaday Jolly Wrencher logo](https://hackaday.com/wp-content/uploads/2020/02/3D-Printering-Header-New.jpg?w=800)

One of the best things about hanging out with other hackers is the freewheeling brainstorming sessions that tend to occur. Case in point: I was at the Electronica trade fair […read more](https://hackaday.com/2022/11/19/brainstorming/) ⌘ [Read more](https://hackaday.com/2022/11/19/brainstorming/)
2022-11-19T18:00:44Z	**The Barkhausen Effect: Hearing Magnets Being Born**
![solenoid wound pickup coil next to a selection of bolts and a steel rod](https://hackaday.com/wp-content/uploads/2022/11/Snap-2022-11-18-at-19.28.02.png?w=800)

The Barkhausen effect — named after German Physicist Heinrich Barkhausen — is the term given to the noise output produced by a ferromagnetic material due to the change in size […read more](https://hackaday.com/2022/11/19/the-barkhausen-effect-hearing-magnets-being-born/) ⌘ [Read more](https://hackaday.com/2022/11/19/the-barkhausen-effect-hearing-magnets-being-born/)
2022-11-19T21:00:11Z	**ESP32 LED Eyes Help Keep Toddler In Bed**
![](https://hackaday.com/wp-content/uploads/2022/11/eyetime_feat.jpg?w=800)

We’ve seen a lot of custom clocks here at Hackaday, many of which have pushed the traditional definition of the timepiece to its absolute limit. But for all their wild […read more](https://hackaday.com/2022/11/19/esp32-led-eyes-help-keep-toddler-in-bed/) ⌘ [Read more](https://hackaday.com/2022/11/19/esp32-led-eyes-help-keep-toddler-in-bed/)
2022-11-20T00:00:00Z	**Open-Source Passive Radar Taken Down For Regulatory Reasons**
![The KrakenSDR in its metal case, with five small antennas connected to it](https://hackaday.com/wp-content/uploads/2022/11/hadimg_krakensdr_itar_feat.jpg?w=800)

Open-source technology brings a world that laws and regulations are not quite prepared for. As a result, every now and then, open projects need to work around governmental regulations. In […read more](https://hackaday.com/2022/11/19/open-source-passive-rad ... ⌘ [Read more](https://hackaday.com/2022/11/19/open-source-passive-radar-taken-down-for-regulatory-reasons/)
2022-11-20T03:00:25Z	**Two Esoteric Programming Languages, One Interpreter**
![](https://hackaday.com/wp-content/uploads/2022/11/befunge.png?w=800)

Many of you will have heard of the esoteric programming language Brainf\*\*k\_. It’s an example language that’s nearly impossible to use because it’s too simple. It’s basically a Turing computer […read more](https://hackaday.com/2022/11/19/two-esoteric-programming-languages-one-interpreter/) ⌘ [Read more](https://hackaday.com/2022/11/19/two-esoteric-programming-languages-one-interpreter/)
2022-11-20T06:00:00Z	**Colorful Split Keyboard Uses VGA Connections**
![](https://hackaday.com/wp-content/uploads/2022/11/VGA-keeb-800.png?w=800)

When it comes to building a split keyboard, you have a lot of options when it comes to the cable. Many will use a standard 3.5 mm TRRS cable, and […read more](https://hackaday.com/2022/11/19/colorful-split-keyboard-uses-vga-connections/) ⌘ [Read more](https://hackaday.com/2022/11/19/colorful-split-keyboard-uses-vga-connections/)
2022-11-20T09:00:23Z	**See the Forbidden Cigarette Machine in Action**
![](https://hackaday.com/wp-content/uploads/2022/11/fully-automatic-3d-printed-cigarette-stuffing-machine-with-arduino-construction-technical-details-sccjcuzjsku-mp4-shot0001_featured.png?w=800)

[Fraens] has been designing a number of fantastic 3D printed machines and making great videos that demonstrate how they work. The last installment was an automatic cigarette stuffing machine, and […read more](https://hackaday.com/2022/11/20/see-the-for ... ⌘ [Read more](https://hackaday.com/2022/11/20/see-the-forbidden-cigarette-machine-in-action/)
2022-11-20T12:00:00Z	**Homebrew Espresso Maker Modding with Gagguino**
![A Gaggia classic espresso machine with an LCD screen attached to the top, sitting on a table with vase of yellow lily flowers to its left and sunlight coming in from a window from the right.](https://hackaday.com/wp-content/uploads/2022/11/gagguino_featured.png?w=800)

For those that don’t know, Gaggia is a company that produces a line of affordable “entry-level” espresso coffee makers that offer good quality consumer espresso machines at rea ... ⌘ [Read more](https://hackaday.com/2022/11/20/homebrew-espresso-maker-modding-with-gagguino/)
2022-11-20T15:00:00Z	**Cheap Display Fix Brings Thermal Camera Back to Life**
![A working, partially disassembled thermal camera](https://hackaday.com/wp-content/uploads/2022/11/FLIR-display-repair.png?w=800)

When it comes to repairability of electronic devices, much depends on how helpful the original manufacturer is. Some make repairs very easy by publishing detailed service manuals and selling spare […read more](https://hackaday.com/2022/11/20/cheap-display-fix-brings-thermal-camera-back-to-life/) ⌘ [Read more](https://hackaday.com/2022/11/20/cheap-display-fix-brings-thermal-camera-back-to-life/)
2022-11-20T18:00:21Z	**TinyLlama is a 486 in Your Pocket**
![A smartphone-sized PCB is in a person's hand. A large blue chip package houses a 486 and the board has a SoundBlaster card and a 40 PIN Raspberry Pi Connector along one edge for attaching a Raspberry Pi Zero.](https://hackaday.com/wp-content/uploads/2022/11/TinyLlama-2.jpeg?w=800)

We love retrocomputing and tiny computers here at Hackaday, so it’s always nice to see projects that combine the two. [Eivind]’s TinyLlama lets you play DOS games on a board […read more]( ... ⌘ [Read more](https://hackaday.com/2022/11/20/tinyllama-is-a-486-in-your-pocket/)
2022-11-20T21:00:37Z	**This Standalone Camera Gets the Picture Through with SSTV**
![](https://hackaday.com/wp-content/uploads/2022/11/IMG20220914175741-1024x768-1.jpg?w=800)

These days, sending a picture to someone else is as simple as pulling out your smartphone and sending it by email or text message. It’s so simple a child can […read more](https://hackaday.com/2022/11/20/this-standalone-camera-gets-the-picture-through-with-sstv/) ⌘ [Read more](https://hackaday.com/2022/11/20/this-standalone-camera-gets-the-picture-through-with-sstv/)
2022-11-21T00:00:57Z	**Hackaday Links: November 20, 2022**
![Hackaday Links Column Banner](https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800)

Lots of space news this week, with the big story being that Artemis I finally blasted off for its trip to the Moon. It was a spectacular night launch, with […read more](https://hackaday.com/2022/11/20/hackaday-links-november-20-2022/) ⌘ [Read more](https://hackaday.com/2022/11/20/hackaday-links-november-20-2022/)
2022-11-21T03:00:16Z	**New Part Day: Exotic Filament For RF Dielectric Structures**
![](https://hackaday.com/wp-content/uploads/2022/11/dielectric-filamentfeatured.jpg?w=800)

The world of microwave RF design appears to the uninitiated to be full of unimaginably exotic devices, as engineers harness the laws of physics to tame radio signals to their […read more](https://hackaday.com/2022/11/20/new-part-day-exotic-filament-for-rf-dielectric-structures/) ⌘ [Read more](https://hackaday.com/2022/11/20/new-part-day-exotic-filament-for-rf-dielectric-structures/)
2022-11-21T06:00:01Z	**A Handy OSHW USB Cable Tester For Your Toolkit**
![](https://hackaday.com/wp-content/uploads/2022/11/usbtester_feat.jpg?w=800)

There’s no shame in admitting you’ve been burned by a cheapo USB cable — ever since some bean counter realized there was a few cents to be saved by producing […read more](https://hackaday.com/2022/11/20/a-handy-oshw-usb-cable-tester-for-your-toolkit/) ⌘ [Read more](https://hackaday.com/2022/11/20/a-handy-oshw-usb-cable-tester-for-your-toolkit/)
2022-11-21T09:00:05Z	**Driving E-Paper Displays With Memory Limited MCUs**
![](https://hackaday.com/wp-content/uploads/2022/11/epapermcu_feat.jpg?w=800)

It’s easy to become jaded by modern microcontrollers: for just a few bucks you can get a MCU that’s powerful enough to give a desktop computer from the early 90s […read more](https://hackaday.com/2022/11/21/driving-e-paper-displays-with-memory-limited-mcus/) ⌘ [Read more](https://hackaday.com/2022/11/21/driving-e-paper-displays-with-memory-limited-mcus/)
2022-11-21T12:00:14Z	**Move Aside Planar, I’m Slicing My Cone Way**
![](https://hackaday.com/wp-content/uploads/2022/11/conical_slicing_large.png?w=800)

Fleetwood Mac puns aside, very little has changed about how we “slice” models for printers in the last 30 years. However, [Stefan Hermann] of CNC Kitchen has a demo that […read more](https://hackaday.com/2022/11/21/move-aside-planar-im-slicing-my-cone-way/) ⌘ [Read more](https://hackaday.com/2022/11/21/move-aside-planar-im-slicing-my-cone-way/)
2022-11-21T15:00:26Z	**FDA’s Approval of Cell Culture Chicken: the Rise of Fresh Meat Without The Animal?**
![](https://hackaday.com/wp-content/uploads/2022/11/LabChicken.jpg?w=800)

On November 14th of this year, the FDA cleared the path for Upside Foods to sell its cell-culture-based chicken products within the US. This is the first product of its […read more](https://hackaday.com/2022/11/21/fdas-approval-of-cell-culture-chicken-the-rise-of-fresh-meat-without-the-animal/) ⌘ [Read more](https://hackaday.com/2022/11/21/fdas-approval-of-cell-culture-chicken-the-rise-of-fresh-meat-without-the-animal/)
2022-11-21T16:30:00Z	**Making a Do-It-Yourself Sand Battery**
![](https://hackaday.com/wp-content/uploads/2022/11/sand_battery.jpg?w=800)

Storing energy can be done in many ways, with the chemical storage method of a battery being one of the most common. Another option is a thermal battery, which basically […read more](https://hackaday.com/2022/11/21/making-a-do-it-yourself-sand-battery/) ⌘ [Read more](https://hackaday.com/2022/11/21/making-a-do-it-yourself-sand-battery/)
2022-11-21T18:00:17Z	**How to Repair? The Death of Schematics**
There was a time when, if you were handy with a soldering iron, you could pretty easily open up a radio or TV repair business. You might not get rich, […read more](https://hackaday.com/2022/11/21/how-to-repair-the-death-of-schematics/) ⌘ [Read more](https://hackaday.com/2022/11/21/how-to-repair-the-death-of-schematics/)
2022-11-21T19:30:00Z	**Making SVD Files Searchable With Svd2db**
![](https://hackaday.com/wp-content/uploads/2022/11/svd2db-searsch-sleep.jpg?w=800)

Everyone who writes bare-metal code for microcontrollers probably know the joys of looking up the details of specific registers in the reference manual, including their absolute address. Although the search […read more](https://hackaday.com/2022/11/21/making-svd-files-searchable-with-svd2db/) ⌘ [Read more](https://hackaday.com/2022/11/21/making-svd-files-searchable-with-svd2db/)
2022-11-21T21:00:32Z	**Reverse Engineering “The Seven Words (and More) You Can’t Say on TV”**
![](https://hackaday.com/wp-content/uploads/2022/11/1920x1080-vtime13_29-take2022-11-21-10.29.09.png?w=800)

For as visionary as he was, [George Carlin] vastly underestimated the situation with his classic “Seven Words You Can’t Say on TV” bit. At least judging by [Ben Eater]’s reverse […read more](https://hackaday.com/2022/11/21/reverse-engineering-the-seven-words-and-more-you-cant-say-on-tv/) ⌘ [Read more](https://hackaday.com/2022/11/21/reverse-engineering-the-seven-words-and-more-you-cant-say-on-tv/)
2022-11-22T00:00:47Z	**Portable ESP32 RGB Lasershow Has All the Trimmings**
![](https://hackaday.com/wp-content/uploads/2022/11/esp32-laser-featured.jpg?w=800)

Perhaps there was a time when fancy laser effects were beyond those without the largest of bank accounts, but today they can be created surprisingly easily. [Corebb] shows us how […read more](https://hackaday.com/2022/11/21/portable-esp32-rgb-lasershow-has-all-the-trimmings/) ⌘ [Read more](https://hackaday.com/2022/11/21/portable-esp32-rgb-lasershow-has-all-the-trimmings/)
2022-11-22T03:00:07Z	**Better Air Quality Sensing with CO2**
![](https://hackaday.com/wp-content/uploads/2022/11/co2-sensor-main.jpg?w=800)

Measuring air quality, as anyone who has tried to tackle this problem can attest, is not as straightforward as it might seem. Even once the nebulous term “quality” is defined, […read more](https://hackaday.com/2022/11/21/better-air-quality-sensing-with-co2/) ⌘ [Read more](https://hackaday.com/2022/11/21/better-air-quality-sensing-with-co2/)
2022-11-22T06:00:00Z	**A Game Boy Advance – Downgraded!**
![](https://hackaday.com/wp-content/uploads/2022/11/mono-GBA-featured.jpg?w=800)

We feature a large number of game console mods here, because enhancing the experience of using a classic machine often involves some really clever work. But here’s one that’s a […read more](https://hackaday.com/2022/11/21/a-game-boy-advance-downgraded/) ⌘ [Read more](https://hackaday.com/2022/11/21/a-game-boy-advance-downgraded/)
2022-11-22T09:00:00Z	**Anime Inspired Holographic Virtual Assistant**
![a 3d printed case, sitting on a table with cactuses in the background, with a 3d rendered holo assistant reflected in a cone of polycarbonate sheets from a flat HDMI display pointed up](https://hackaday.com/wp-content/uploads/2022/11/maria_primary.png?w=800)

[Jessp] has created a very cute and endearing DIY virtual assistant called Maria. The build combines a 3D printed housing that uses a “Peppers Cone” effect to render a virtual, […read more ... ⌘ [Read more](https://hackaday.com/2022/11/22/anime-inspired-holographic-virtual-assistant/)
2022-11-22T12:00:04Z	**If Your Drone Flies, Eat It!**
![](https://hackaday.com/wp-content/uploads/2022/11/edible-drone-featured.jpg?w=800)

Over the years we’ve featured countless drone projects here at Hackaday, fixed wing, rotary wing, multi-rotor, and more. Among them all we think there may be a type that we’ve […read more](https://hackaday.com/2022/11/22/if-your-drone-flies-eat-it/) ⌘ [Read more](https://hackaday.com/2022/11/22/if-your-drone-flies-eat-it/)
2022-11-22T15:00:55Z	**Spoofing LIDAR Could Blind Autonomous Vehicles to Obstacles**
![](https://hackaday.com/wp-content/uploads/2022/11/Lidar.jpg?w=800)

Humans manage to drive in an acceptable fashion using just two eyes and two ears to sense the world around them. Autonomous vehicles are kitted out with sensor packages altogether […read more](https://hackaday.com/2022/11/22/spoofing-lidar-could-blind-autonomous-vehicles-to-obstacles/) ⌘ [Read more](https://hackaday.com/2022/11/22/spoofing-lidar-could-blind-autonomous-vehicles-to-obstacles/)
2022-11-22T16:00:00Z	**An Open Source Modular Flexure Construction Set**
![](https://hackaday.com/wp-content/uploads/2022/11/Snap-2022-11-21-at-21.54.22-featured.png?w=800)

Flexures are one of those innocent-looking mechanisms that one finds inside practically any kind of consumer device. Providing constrained movements with small displacements, complete with controlled tension, they can be […read more](https://hackaday.com/2022/11/22/an-open-source-modular-flexure-construction-set/) ⌘ [Read more](https://hackaday.com/2022/11/22/an-open-source-modular-flexure-construction-set/)
2022-11-22T17:00:19Z	**Start Your Engines: The FPV Contest Begins Now!**
![](https://hackaday.com/wp-content/uploads/2022/11/fpv_contest_featured.png?w=750)

There are places that you can go in person, but for everything else, there’s FPV. Whether you’re flying race quads, diving the depths in a yellow submarine, or simply roving […read more](https://hackaday.com/2022/11/22/start-your-engines-the-fpv-contest-begins-now/) ⌘ [Read more](https://hackaday.com/2022/11/22/start-your-engines-the-fpv-contest-begins-now/)
2022-11-22T18:00:03Z	**A Hacker Walks Into a Trade Show: Electronica 2022**
![](https://hackaday.com/wp-content/uploads/2022/11/electronica2022_mb_01010.jpg?w=800)

Last week, the world’s largest electronics trade fair took place in Munich, so I had to attend. Electronica is so big that it happens only once every two years and […read more](https://hackaday.com/2022/11/22/a-hacker-walks-into-a-trade-show-electronica-2022/) ⌘ [Read more](https://hackaday.com/2022/11/22/a-hacker-walks-into-a-trade-show-electronica-2022/)
2022-11-22T19:30:34Z	**Minimalist 6502 System Uses a CPU and not Much Else**
![A breadboard with a few DIP chips](https://hackaday.com/wp-content/uploads/2022/11/SingleBreadBoardComputer.jpg?w=800)

A central processing unit, or CPU, is the heart of any computer system. But it’s definitely not the only part: you also need RAM, ROM and at least some peripherals […read more](https://hackaday.com/2022/11/22/minimalist-6502-system-uses-a-cpu-and-not-much-else/) ⌘ [Read more](https://hackaday.com/2022/11/22/minimalist-6502-system-uses-a-cpu-and-not-much-else/)
2022-11-22T21:00:48Z	**New Metric Prefixes get Bigger and Smaller**
![](https://hackaday.com/wp-content/uploads/2022/11/meas.png?w=800)

It always fascinates us that every single thing that is made had to be designed by someone. Even something as simple as a bag and box that holds cereal. Someone […read more](https://hackaday.com/2022/11/22/new-metric-prefixes-get-bigger-and-smaller/) ⌘ [Read more](https://hackaday.com/2022/11/22/new-metric-prefixes-get-bigger-and-smaller/)
2022-11-23T00:00:17Z	**Home-Built CPU Runs With Home-Built Toolchain**
![](https://hackaday.com/wp-content/uploads/2022/11/Snap-2022-11-22-at-09.47.16-featured.png?w=800)

A few years ago [Takaya Saeki] and fellow students of the University of Tokyo, were given a very limited instruction during their ‘CPU exercise’ class, along the lines of: Take […read more](https://hackaday.com/2022/11/22/home-built-cpu-runs-with-home-built-toolchain/) ⌘ [Read more](https://hackaday.com/2022/11/22/home-built-cpu-runs-with-home-built-toolchain/)
2022-11-23T03:00:52Z	**Fuel Cell Catalyst: Less is More**
![](https://hackaday.com/wp-content/uploads/2022/11/pt.png?w=800)

A fuel cell is almost like a battery that has replenishable fuel. Instead of charging a battery with an electric current, you recharge a fuel cell with something like hydrogen […read more](https://hackaday.com/2022/11/22/fuel-cell-catalyst-less-is-more/) ⌘ [Read more](https://hackaday.com/2022/11/22/fuel-cell-catalyst-less-is-more/)
2022-11-23T06:00:05Z	**Local IOT Cat Treat Dispenser**
![A 3D printed cat treat dispenser on a table with a laptop in the background and with a treat in it's tray and a cat on the left about to eat the treat.](https://hackaday.com/wp-content/uploads/2022/11/kitty-3000_primary.png?w=800)

[MostElectronics], like many of us, loves cats, and so wanted to make an internet connected treat dispenser for their most beloved. The result is an ingenious 3D printed mechanism connected […read more](https://hackaday.com/2022/11/22/local-iot-c ... ⌘ [Read more](https://hackaday.com/2022/11/22/local-iot-cat-treat-dispenser/)
2022-11-23T09:00:20Z	**The Fastest Fourier Transform in the West**
![](https://hackaday.com/wp-content/uploads/2022/11/ardufft_feat.jpg?w=800)

An interesting aspect of time-varying waveforms is that by using a trick called a Fourier Transform (FT), they can be represented as the sum of their underlying frequencies. This mathematical […read more](https://hackaday.com/2022/11/23/the-fastest-fourier-transform-in-the-west/) ⌘ [Read more](https://hackaday.com/2022/11/23/the-fastest-fourier-transform-in-the-west/)
2022-11-23T12:00:38Z	**The 13.5 Million Core Computer**
![](https://hackaday.com/wp-content/uploads/2022/11/core.png?w=800)

Having a dual- or quad-core CPU is not very exotic these days and CPUs with 12 or even 16 cores aren’t that rare. The Andromeda from Cerebras is a supercomputer […read more](https://hackaday.com/2022/11/23/the-13-5-million-core-computer/) ⌘ [Read more](https://hackaday.com/2022/11/23/the-13-5-million-core-computer/)
2022-11-23T15:00:22Z	**Don’t Believe Everything You Read: The Great Electric Toaster Hoax**
![](https://hackaday.com/wp-content/uploads/2022/11/alan_mcmasters.png?w=800)

We’ve all looked up things on Wikipedia and, generally, it is usually correct information. However, the fact that anyone can edit it leads to abuse and makes it somewhat unreliable. […read more](https://hackaday.com/2022/11/23/dont-believe-everything-you-read-the-great-electric-toaster-hoax/) ⌘ [Read more](https://hackaday.com/2022/11/23/dont-believe-everything-you-read-the-great-electric-toaster-hoax/)
2022-11-23T16:30:57Z	**Hardware Store Chemicals Transform Sheets into Waterproof Tarps**
![](https://hackaday.com/wp-content/uploads/2022/11/waterproof-bedsheet-featured.jpg?w=800)

For hackers in the Northern Hemisphere, the seasons of wet and cold are upon us. Staying dry is every bit as important as staying warm, so what better than a […read more](https://hackaday.com/2022/11/23/hardware-store-chemicals-transform-sheets-into-waterproof-tarps/) ⌘ [Read more](https://hackaday.com/2022/11/23/hardware-store-chemicals-transform-sheets-into-waterproof-tarps/)
2022-11-23T18:00:13Z	**Books You Should Read: Why Buildings Fall Down**
![](https://hackaday.com/wp-content/uploads/2022/11/buildings_fall_featured.png?w=800)

People with long commutes usually come up with tricks to stay focused and alert and avoid the dangerous tendency to zone out during the drive. One trick I used to […read more](https://hackaday.com/2022/11/23/books-you-should-read-why-buildings-fall-down/) ⌘ [Read more](https://hackaday.com/2022/11/23/books-you-should-read-why-buildings-fall-down/)
2022-11-23T19:30:35Z	**Termi2 is Siri Like it’s 1976**
![](https://hackaday.com/wp-content/uploads/2022/11/termi2-800.png?w=800)

What are your plans for the long weekend? If you don’t have time or don’t want to dive into a new project, why not dust off something left unfinished, or […read more](https://hackaday.com/2022/11/23/termi2-is-siri-like-its-1976/) ⌘ [Read more](https://hackaday.com/2022/11/23/termi2-is-siri-like-its-1976/)
2022-11-23T21:00:15Z	**How to Build Your Own Analog Phone Network**
![Two landline phones connected to a set of wires and boards](https://hackaday.com/wp-content/uploads/2022/11/Telephone-Central-Office-Simulator.png?w=800)

Analog phones may be nearly obsolete today, but having served humanity for well over a century they’re quite likely to pop up in drawers or attics now and then. If […read more](https://hackaday.com/2022/11/23/how-to-build-your-own-analog-phone-network/) ⌘ [Read more](https://hackaday.com/2022/11/23/how-to-build-your-own-analog-phone-network/)
2022-11-24T00:00:19Z	**Tidy POV Display Using The ESP32**
![](https://hackaday.com/wp-content/uploads/2022/11/Snap-2022-11-22-at-22.17.13.png?w=800)

Chinese Youtuber [corebb] presents the second version of his POV display. The earlier version used 5050-sized SMT addressable LEDs, which didn’t give great resolution, so he rev’d the design to use […read more](https://hackaday.com/2022/11/23/tidy-pov-display-using-the-esp32/) ⌘ [Read more](https://hackaday.com/2022/11/23/tidy-pov-display-using-the-esp32/)
2022-11-24T03:00:12Z	**Sick Beats: Using Music and Smartphone to Attack a Biosafety Room**
![](https://hackaday.com/wp-content/uploads/2022/11/researchers-demonstrat-14.jpg?w=800)

Imagine a movie featuring a scene set in a top-secret bioweapons research lab. The villain, clad in a bunny suit, strides into the inner sanctum of the facility — one […read more](https://hackaday.com/2022/11/23/sick-beats-using-music-and-smartphone-to-attack-a-biosafety-room/) ⌘ [Read more](https://hackaday.com/2022/11/23/sick-beats-using-music-and-smartphone-to-attack-a-biosafety-room/)
2022-11-24T06:00:09Z	**Trackball Split Keyboard Will Roll Into Your Heart**
![](https://hackaday.com/wp-content/uploads/2022/11/batreeq-800.png?w=800)

One of the nicest problems to have with a split keyboard, even a monoblock split, is deciding what to put in the middle. Most people go for either the mouse, […read more](https://hackaday.com/2022/11/23/trackball-split-keyboard-will-roll-into-your-heart/) ⌘ [Read more](https://hackaday.com/2022/11/23/trackball-split-keyboard-will-roll-into-your-heart/)
2022-11-24T09:00:00Z	**Pie Stop For Emergency DNS Needs**
![](https://hackaday.com/wp-content/uploads/2022/11/pie-stop-main.jpg?w=800)

The war on Internet ads rages on, as the arms race between ad blockers and ad creators continues to escalate. To make a modern Internet experience even remotely palatable, plenty […read more](https://hackaday.com/2022/11/24/pie-stop-for-emergency-dns-needs/) ⌘ [Read more](https://hackaday.com/2022/11/24/pie-stop-for-emergency-dns-needs/)
2022-11-24T12:00:00Z	**It’s MacOS. On An Unmodified Wii!**
![](https://hackaday.com/wp-content/uploads/2022/11/mac-on-wii-featured.jpg?w=800)

We’re used to the so-called “Hackintoshes”, non-Apple hardware running MacOS. One we featured recently was even built into the case of a Nintendo Wii. But [Dandu] has gone one better […read more](https://hackaday.com/2022/11/24/its-macos-on-an-unmodified-wii/) ⌘ [Read more](https://hackaday.com/2022/11/24/its-macos-on-an-unmodified-wii/)
2022-11-24T15:00:00Z	**Weasley Clock For Magically Low Cost**
![](https://hackaday.com/wp-content/uploads/2022/11/mpv-shot0003_featured.png?w=800)

For those unfamiliar with the details of the expansive work of fiction of Harry Potter, it did introduce a few ideas that have really stuck in the collective conscious. Besides […read more](https://hackaday.com/2022/11/24/weasley-clock-for-magically-low-cost/) ⌘ [Read more](https://hackaday.com/2022/11/24/weasley-clock-for-magically-low-cost/)
2022-11-24T18:00:00Z	**Meat-Space Minesweeper Game Hits The Mark**
![IRL minesweeper render showing game on top of a campaign map](https://hackaday.com/wp-content/uploads/2022/11/FB_render.jpg?w=800)

Hackers of a certain age will remember that before the Internet was available to distract us from our work, we had to find our own fun. Luckily, Windows was there […read more](https://hackaday.com/2022/11/24/meat-space-minesweeper-game-hits-the-mark/) ⌘ [Read more](https://hackaday.com/2022/11/24/meat-space-minesweeper-game-hits-the-mark/)
2022-11-24T21:00:00Z	**Racing Cars on a PCB**
![](https://hackaday.com/wp-content/uploads/2022/11/gauss-speedway-main.png?w=800)

Carl Friedrich Gauss was, to put it mildly, a polymath responsible for a large percentage of the things we take for granted in the modern world. As a physicist and […read more](https://hackaday.com/2022/11/24/racing-cars-on-a-pcb/) ⌘ [Read more](https://hackaday.com/2022/11/24/racing-cars-on-a-pcb/)
2022-11-25T00:00:00Z	**Electroplated 3D Printed Sword: Shiny!**
![](https://hackaday.com/wp-content/uploads/2022/11/sword.png?w=800)

We all want to 3D print metals, but the equipment to do that is still beyond most home workshops. However, [HEN3DRIK] takes resin 3D-printed items and electroplates them. Might not […read more](https://hackaday.com/2022/11/24/electroplated-3d-printed-sword-shiny/) ⌘ [Read more](https://hackaday.com/2022/11/24/electroplated-3d-printed-sword-shiny/)
2022-11-25T03:00:00Z	**Homebrew LED Bulbs Keep Your Circadian Rhythms Steady**
![](https://hackaday.com/wp-content/uploads/2022/11/1920x1080-vtime5_10-take2022-11-23-11.14.24.png?w=800)

There was a time when LED light bulbs were a premium product that commanded a premium price, mainly because of limited supply and the usual marketing tricks. But now is […read more](https://hackaday.com/2022/11/24/homebrew-led-bulbs-keep-your-circadian-rhythms-steady/) ⌘ [Read more](https://hackaday.com/2022/11/24/homebrew-led-bulbs-keep-your-circadian-rhythms-steady/)
2022-11-25T06:00:00Z	**Squish That Stack With Rampart**
![](https://hackaday.com/wp-content/uploads/2022/11/server_farm_sm-featured.jpg?w=800)

[P B Richards] and [Aaron Flin] were bemoaning the resource hunger of modern JavaScript environments and planned to produce a system that was much stingier with memory and CPU, that […read more](https://hackaday.com/2022/11/24/squish-that-stack-with-rampart/) ⌘ [Read more](https://hackaday.com/2022/11/24/squish-that-stack-with-rampart/)
2022-11-25T09:00:00Z	**Making Paper Strandbeester**
![Jansen's linkage, paper model of a bar linkage](https://hackaday.com/wp-content/uploads/2022/11/wolfcatworkshopjansen.png?w=800)

We love the artistry of paper mechanisms.  Simple tools and techniques creating humor, beauty, and amazement. [Federico Tobon] from [Wolfcat Workshop] makes amazing automata, crosses between cut paper art, origami, […read more](https://hackaday.com/2022/11/25/making-paper-strandbeester/) ⌘ [Read more](https://hackaday.com/2022/11/25/making-paper-strandbeester/)
2022-11-25T12:00:00Z	**Unlocking a Locked-Down Inverter**
![](https://hackaday.com/wp-content/uploads/2022/11/inverter-hack-featured.jpg?w=800)

There was a time when a mains inverter was a heavy, expensive, and not particularly powerful item, but thanks to switch-mode technology we are now spoiled for choice. Most inverters […read more](https://hackaday.com/2022/11/25/unlocking-a-locked-down-inverter/) ⌘ [Read more](https://hackaday.com/2022/11/25/unlocking-a-locked-down-inverter/)
2022-11-25T15:00:00Z	**When Pi Supply Falls Short, Thin Clients Stand Tall for Home Automation and Low Power Computing**
![](https://hackaday.com/wp-content/uploads/2022/11/pi-replacement-featured.jpg?w=800)

Do you need a cheap, small computer for a low power computing project? Historically, of us would reach straight for a Raspberry Pi, even if we didn’t absolutely need the […read more](https://hackaday.com/2022/11/25/when-pi-supply-falls-short-thin-clients-stand- ... ⌘ [Read more](https://hackaday.com/2022/11/25/when-pi-supply-falls-short-thin-clients-stand-tall-for-home-automation-and-low-power-computing/)
2022-11-25T17:00:14Z	**Hackaday Podcast 194: FPV Contest, Seven Words, Lots of Coffee, and Edible Drones**
![](https://hackaday.com/wp-content/uploads/2016/05/microphone.jpg?w=800)

This week, Editor-in-Chief Elliot Williams and Assignments Editor Kristina Panos fumbled through setting up Mumble on Kristina’s new-ish computer box before hitting record and talking turkey. First off, we’ve got […read more](https://hackaday.com/2022/11/25/hackaday-podcast-194-fpv-contest-seven-words-lo ... ⌘ [Read more](https://hackaday.com/2022/11/25/hackaday-podcast-194-fpv-contest-seven-words-lots-of-coffee-and-edible-drones/)
2022-11-25T18:00:00Z	**Circular Binary Clock Uses the Power to Tell Time**
![](https://hackaday.com/wp-content/uploads/2022/11/circular-binary-clock-800.jpeg?w=800)

Should a clock be round? Depends on the style of clock, we suppose. After all, we wouldn’t expect to see a digital clock with a round readout just for fun. […read more](https://hackaday.com/2022/11/25/circular-binary-clock-uses-the-power-to-tell-time/) ⌘ [Read more](https://hackaday.com/2022/11/25/circular-binary-clock-uses-the-power-to-tell-time/)
2022-11-25T21:00:00Z	**Custom Prusa MK3 Fan Duct Gives Camera Perfect View**
![](https://hackaday.com/wp-content/uploads/2022/11/prusacam_feat.jpg?w=800)

A growing trend is to mount a borescope “inspection camera” near a 3D printer’s nozzle to provide a unique up-close view of the action. Some argue that this perspective can […read more](https://hackaday.com/2022/11/25/custom-prusa-mk3-fan-duct-gives-camera-perfect-view/) ⌘ [Read more](https://hackaday.com/2022/11/25/custom-prusa-mk3-fan-duct-gives-camera-perfect-view/)
2022-11-26T00:00:00Z	**Are Slabtops the Future of Computing?**
![The bottom half of a MacBook Air on a purple and pink background has severed wires drawn out of its back to indicate its lack of a screen.](https://hackaday.com/wp-content/uploads/2022/11/Slabtop_wide.webp?w=800)

The most popular computer ever was the Commodore 64 with its computer-in-a-keyboard form factor. If you have a longing for a keyboard computer with more modern internals, one of the […read more](https://hackaday.com/2022/11/25/are-slabtops-the-futur ... ⌘ [Read more](https://hackaday.com/2022/11/25/are-slabtops-the-future-of-computing/)
2022-11-26T03:00:00Z	**Honey, We Shrunk the Nuclear Reactor**
![](https://hackaday.com/wp-content/uploads/2022/11/pipes.png?w=800)

[Power Engineering] took a trip to the Westinghouse facility that provides maintenance for nuclear reactors. The research division there has a new microreactor called eVinci and — according to the […read more](https://hackaday.com/2022/11/25/honey-we-shrunk-the-nuclear-reactor/) ⌘ [Read more](https://hackaday.com/2022/11/25/honey-we-shrunk-the-nuclear-reactor/)
2022-11-26T06:00:00Z	**Telnet Gets Stubborn Sony Camera Under Control**
![](https://hackaday.com/wp-content/uploads/2022/11/a5000_feat.jpg?w=800)

According to [Venn Stone], technical producer over at LinuxGameCast, the Sony a5000 is still a solid option for those looking to shoot 1080p video despite being released back in 2014. […read more](https://hackaday.com/2022/11/25/telnet-gets-stubborn-sony-camera-under-control/) ⌘ [Read more](https://hackaday.com/2022/11/25/telnet-gets-stubborn-sony-camera-under-control/)
2022-11-26T09:00:00Z	**Reinterpreting the Lua Interpreter**
![](https://hackaday.com/wp-content/uploads/2022/11/interpreter-perf-comparison-2.png?w=645)

The idea behind Lua is a beautiful one. A simple and concise syntax offers almost all of the niceties of a first-class language. Moreover, a naive implementation of an interpreter […read more](https://hackaday.com/2022/11/26/interpreting-the-lua-interpreter/) ⌘ [Read more](https://hackaday.com/2022/11/26/interpreting-the-lua-interpreter/)
2022-11-26T12:00:00Z	**Defeating A Cryptoprocessor With Laser Beams**
![A slide from the presentation, showing the power trace of the chip, while it's being pulsed with the laser at various stages of execution](https://hackaday.com/wp-content/uploads/2022/11/hadimg_atecc608a_pwn_feat.png?w=800)

Cryptographic coprocessors are nice, for the most part. These are small chips you connect over I2C or One-Wire, with a whole bunch of cryptographic features implemented. They can hash data, […read more](https://hackaday.com ... ⌘ [Read more](https://hackaday.com/2022/11/26/defeating-a-cryptoprocessor-with-laser-beams/)
2022-11-26T15:00:00Z	**LEDs Put New Spin on a Sonic The Hedgehog Costume**
![A two picture montage of a boy wearing a sonic the hedgehog costume with LEDs in them. The left picture is at night with the boy wearing sunglasses and a face mask with the sonic costume head piece lit up. The right picture is during the day with the boy wearing a face mask, holding a plastic pu mpkin bucket for candy and wearing a lit up sonic the hedgehog costume in the front yard of a house.](https://hackaday.com/wp-content/uploads ... ⌘ [Read more](https://hackaday.com/2022/11/26/leds-put-new-spin-on-a-sonic-the-hedgehog-costume/)
2022-11-26T18:00:00Z	**Tesla Coil Makes Sodium Plasma**
![](https://hackaday.com/wp-content/uploads/2022/11/plasma.png?w=800)

Looking for a neat trick to do with your Tesla coil? [The Action Lab] uses his coil to make a metal plasma — in particular, sodium. You can see the […read more](https://hackaday.com/2022/11/26/tesla-coil-makes-sodium-plasma/) ⌘ [Read more](https://hackaday.com/2022/11/26/tesla-coil-makes-sodium-plasma/)
2022-11-26T21:00:00Z	**Magic Mirror – On A Low CPU Budget**
![A display with the magic mirror webpage shown running on it](https://hackaday.com/wp-content/uploads/2022/11/hadimg_lowcpu_magicmirror_feat.jpeg?w=800)

For quite a few hackers out there, it’s still hard to find a decently powerful Raspberry Pi for a non-eye-watering price. [Rupin Chheda] wanted to build a magic mirror with […read more](https://hackaday.com/2022/11/26/magic-mirror-on-a-low-cpu-budget/) ⌘ [Read more](https://hackaday.com/2022/11/26/magic-mirror-on-a-low-cpu-budget/)
2022-11-27T00:00:00Z	**Turn Your Furniture into a Light Show with Hyelicht**
![](https://hackaday.com/wp-content/uploads/2022/11/hyelicht_feat.jpg?w=800)

There’s something about the regimented square shapes of the IKEA Kallax shelf that convinced [Eike Hein] it could benefit from some RGB LED lighting, and while he could have simply […read more](https://hackaday.com/2022/11/26/turn-your-furniture-into-a-light-show-with-hyelicht/) ⌘ [Read more](https://hackaday.com/2022/11/26/turn-your-furniture-into-a-light-show-with-hyelicht/)
2022-11-27T03:00:00Z	**Blackout Logger Keeps Track of Power Outages**
![A two picture montage of the blackout logger, the left picture being the front e-ink display of the data logger in a black case and the second picture of the back of the data logger, with the raspberry pi pico show attached to an e-ink display, both sitting on a wooden table.](https://hackaday.com/wp-content/uploads/2022/11/blackout-logger_primary-1.png?w=800)

[Dmytro Panin] lives in Kyiv, Ukraine where there have been rolling blackouts to sta ... ⌘ [Read more](https://hackaday.com/2022/11/26/blackout-logger-keeps-track-of-power-outages/)
2022-11-27T06:00:00Z	**Human vs. AI Drone Racing at the University of Zurich**
![AI simulated drone flight track](https://hackaday.com/wp-content/uploads/2022/11/Drone-Race-Feature.png?w=800)

[Thomas Bitmatta] and two other champion drone pilots visited the Robotics and Perception Group at the University of Zurich. The human pilots accepting the challenge to race drones against Artificial […read more](https://hackaday.com/2022/11/26/human-vs-ai-drone-racing-at-the-university-of-zurich/) ⌘ [Read more](https://hackaday.com/2022/11/26/human-vs-ai-drone-racing-at-the-university-of-zurich/)
2022-11-27T09:00:53Z	**Portable Commodore 64 Lives!**
![](https://hackaday.com/wp-content/uploads/2022/11/sx64.png?w=800)

When you think of a luggable computer, you might think of the old Compaq or — if you are old enough — a Kaypro. But you don’t see as many […read more](https://hackaday.com/2022/11/27/portable-commodore-64-lives/) ⌘ [Read more](https://hackaday.com/2022/11/27/portable-commodore-64-lives/)
2022-11-27T12:00:06Z	**A Practical Discrete 386**
![](https://hackaday.com/wp-content/uploads/2022/11/discrete-lm386-featured.jpg?w=800)

There are some chips that no matter how much the industry moves away from them still remain, exerting a hold decades after the ranges they once sat alongside have left […read more](https://hackaday.com/2022/11/27/a-practical-discrete-386/) ⌘ [Read more](https://hackaday.com/2022/11/27/a-practical-discrete-386/)
2022-11-27T15:00:42Z	**I Need a Hackation**
![](https://hackaday.com/wp-content/uploads/2020/05/Automation.jpg?w=800)

In recent times, the “staycation” became a popular alternative to forays far afield: you could take time off and enjoy your local surroundings without having to get stamps in your […read more](https://hackaday.com/2022/11/27/i-need-a-hackation/) ⌘ [Read more](https://hackaday.com/2022/11/27/i-need-a-hackation/)
2022-11-27T18:00:37Z	**I’ve Got Two Turntables and a Laser Engraver**
![](https://hackaday.com/wp-content/uploads/2022/11/wood-record-main.png?w=800)

Digital media provides us with a lot of advantages. For something like recording and playing back music, digital copies don’t degrade, they can have arbitrarily high quality, and they can […read more](https://hackaday.com/2022/11/27/ive-got-two-turntables-and-a-laser-engraver/) ⌘ [Read more](https://hackaday.com/2022/11/27/ive-got-two-turntables-and-a-laser-engraver/)
2022-11-27T21:00:41Z	**Come Learn About New ATtiny Generations**
![Showing a new generation ATTiny on an SMD breakout plugged into a breadboard, being programmed](https://hackaday.com/wp-content/uploads/2022/11/hadimg_attiny_list_feat.jpg?w=800)

As the chip shortage hit, a lot of the familiar ATtiny chips have become unavailable and overpriced, and it mostly stayed the same since then. If you ever searched for […read more](https://hackaday.com/2022/11/27/come-learn-about-new-attiny-generations/) ⌘ [Read more](https://hackaday.com/2022/11/27/come-learn-about-new-attiny-generations/)
2022-11-28T00:00:44Z	**Here’s a Plain C/C++ Implementation of AI Speech Recognition, So Get Hackin’**
![](https://hackaday.com/wp-content/uploads/2022/11/Whisper-iPhone.png?w=800)

[Georgi Gerganov] recently shared a great resource for running high-quality AI-driven speech recognition in a plain C/C++ implementation on a variety of platforms. The automatic speech recognition (ASR) model is […read more](https://hackaday.com/2022/11/27/heres-a-plain-c-c-implementation-of-ai-speech-recogniti ... ⌘ [Read more](https://hackaday.com/2022/11/27/heres-a-plain-c-c-implementation-of-ai-speech-recognition-so-get-hackin/)
2022-11-28T03:00:07Z	**Create a Compiler Step-By-Step**
![](https://hackaday.com/wp-content/uploads/2022/11/comp.png?w=800)

While JavaScript might not be the ideal language to write a production compiler, you might enjoy the “Create Your Own Compiler” tutorial that does an annotated walkthrough of “The Super […read more](https://hackaday.com/2022/11/27/create-a-compiler-step-by-step/) ⌘ [Read more](https://hackaday.com/2022/11/27/create-a-compiler-step-by-step/)
2022-11-28T06:00:18Z	**MikroLeo, A 4-Bit Retro Learning Platform**
![](https://hackaday.com/wp-content/uploads/2022/11/166627152-4c3770eb-8091-40ed-be2d-034289695b60.png?w=800)

MikroLeo is a discrete TTL logic-based microcomputer intended for educational purposes created by [Edson Junior Acordi], an Electronics Professor at the Brazilian Federal Institute of Paraná, Brazil. The 4-bit CPU […read more](https://hackaday.com/2022/11/27/mikroleo-a-4-bit-retro-learning-platform/) ⌘ [Read more](https://hackaday.com/2022/11/27/mikroleo-a-4-bit-retro-learning-platform/)
2022-11-28T09:00:33Z	**Bicycle Gets Turn Signals and Brake Lights for Added Safety**
![](https://hackaday.com/wp-content/uploads/2022/11/bike-light-main.png?w=800)

Traveling by bicycle can be a fun and exciting mode of transportation, and can also save a ton of money compared to driving a car. There are plenty of places […read more](https://hackaday.com/2022/11/28/bicycle-gets-turn-signals-and-brake-lights-for-added-safety/) ⌘ [Read more](https://hackaday.com/2022/11/28/bicycle-gets-turn-signals-and-brake-lights-for-added-safety/)
2022-11-28T12:00:56Z	**Carving Terrain Maps into Plywood with Software Help**
![](https://hackaday.com/wp-content/uploads/2022/11/topo-map-main.webp?w=800)

CNC machines are incredibly versatile tools. At a machine shop, they can machine all kinds of metal and plastic parts. Beyond that, they can engrave various materials including glass, and […read more](https://hackaday.com/2022/11/28/carving-terrain-maps-into-plywood-with-software-help/) ⌘ [Read more](https://hackaday.com/2022/11/28/carving-terrain-maps-into-plywood-with-software-help/)
2022-11-28T15:00:22Z	**EV Chargers Could Be A Serious Target For Hackers**
![](https://hackaday.com/wp-content/uploads/2022/11/car_chargers_AdobeStock_449890707.jpeg?w=800)

Computers! They’re in everything these days. Everything from thermostats to fridges and even window blinds are now on the Internet, and that makes them all ripe for hacking. Electric vehicle […read more](https://hackaday.com/2022/11/28/ev-chargers-could-be-a-serious-target-for-hackers/) ⌘ [Read more](https://hackaday.com/2022/11/28/ev-chargers-could-be-a-serious-target-for-hackers/)
2022-11-28T16:30:18Z	**Silicon Sleuthing: Finding a ancient bugfix on the 8086**
![](https://hackaday.com/wp-content/uploads/2022/11/cpu.png?w=800)

Few CPUs have had the long-lasting influence that the 8086 did. It is hard to believe that when your modern desktop computer boots, it probably thinks it is an 8086 […read more](https://hackaday.com/2022/11/28/silicon-sleuthing-finding-a-ancient-bugfix-on-the-8086/) ⌘ [Read more](https://hackaday.com/2022/11/28/silicon-sleuthing-finding-a-ancient-bugfix-on-the-8086/)
2022-11-28T17:00:23Z	**Amateur Rocketry Hack Chat**
![](https://hackaday.com/wp-content/uploads/2022/11/1920x1080-vtime5_03-take2022-11-21-13.03.30.png?w=800)

Join us on Wednesday, November 30 at noon Pacific for the Amateur Rocketry Hack Chat with Kip Daugirdas! This might be going out on a limb, but it seems like […read more](https://hackaday.com/2022/11/28/amateur-rocketry-hack-chat/) ⌘ [Read more](https://hackaday.com/2022/11/28/amateur-rocketry-hack-chat/)
2022-11-28T18:00:50Z	**App Detects Parkinsons Disease and COVID-19 Via Audio**
![](https://hackaday.com/wp-content/uploads/2020/02/DataDNA.jpg?w=800)

One of the challenges of diagnosing diseases is identifying them early. At this stage, signs may be vague or confusing, or difficult to identify. Early diagnosis is often tied to […read more](https://hackaday.com/2022/11/28/app-detects-parkinsons-disease-and-covid-19-via-audio/) ⌘ [Read more](https://hackaday.com/2022/11/28/app-detects-parkinsons-disease-and-covid-19-via-audio/)
2022-11-28T19:30:43Z	**NABU PC – A 1984 Z-80 Computer You Can Buy Today**
![](https://hackaday.com/wp-content/uploads/2022/11/nabu1.png?w=800)

Want to hack on brand new 8-bit 1980s hardware? Until recently you needed a time machine, or deep pockets to do this. All that has recently changed with the NABU […read more](https://hackaday.com/2022/11/28/nabu-pc-a-1984-z-80-computer-you-can-buy-today/) ⌘ [Read more](https://hackaday.com/2022/11/28/nabu-pc-a-1984-z-80-computer-you-can-buy-today/)
2022-11-28T21:00:47Z	**Desktop-Sized Fully Automatic Loom is an Electromechanical Marvel**
![An automatic loom](https://hackaday.com/wp-content/uploads/2022/11/Desktop-loom.png?w=800)

Weaving is one of the oldest crafts in the world, and was also among the first to be automated: the Industrial Revolution was in large part driven by developments in […read more](https://hackaday.com/2022/11/28/desktop-sized-fully-automatic-loom-is-an-electromechanical-marvel/) ⌘ [Read more](https://hackaday.com/2022/11/28/desktop-sized-fully-automatic-loom-is-an-electromechanical-marvel/)
2022-11-29T00:00:23Z	**A Modchip To Root Starlink User Terminals Through Voltage Glitching**
![side by side, showing hardware experiments with capacitor gating through FETs, an initial revision of the modchip board with some fixes, and a newer, final, clean revision.](https://hackaday.com/wp-content/uploads/2022/11/hadimg_starlink_modchip_feat.png?w=800)

A modchip is a small PCB that mounts directly on a larger board, tapping into points on that board to make it do something it wasn’t meant t ... ⌘ [Read more](https://hackaday.com/2022/11/28/a-modchip-to-root-starlink-user-terminal-through-voltage-glitching/)
2022-11-29T03:00:18Z	**Taking Distance Based CAD To The Next Level**
![](https://hackaday.com/wp-content/uploads/2022/11/sdfx_sample_top.png?w=800)

For those who model CAD models regularly, a pair of calipers is essential as it allows reasonably accurate measurements to fit a specific part. However, [Jason Harris] is taking that […read more](https://hackaday.com/2022/11/28/taking-distance-based-cad-to-the-next-level/) ⌘ [Read more](https://hackaday.com/2022/11/28/taking-distance-based-cad-to-the-next-level/)
2022-11-29T06:00:08Z	**I See By Your Tattoo That You Are A Hacker**
![](https://hackaday.com/wp-content/uploads/2022/11/tattoomain.jpg?w=800)

We spotted [Segfault]’s new tattoo on a fast failing bird app a few days ago. We thought it was nice looking piece of skin art, but without a write up […read more](https://hackaday.com/2022/11/28/i-see-by-your-tattoo-that-you-are-a-hacker/) ⌘ [Read more](https://hackaday.com/2022/11/28/i-see-by-your-tattoo-that-you-are-a-hacker/)
2022-11-29T09:00:40Z	**A Handy Guide To The Humble BBS**
![](https://hackaday.com/wp-content/uploads/2022/11/bbs-main.jpg?w=800)

Some of us who’ve been online since the early days fondly remember the web of yore — with its flashing banners, wildly distracting backgrounds, and automatic side-scrolling text. But there […read more](https://hackaday.com/2022/11/29/a-handy-guide-to-the-humble-bbs/) ⌘ [Read more](https://hackaday.com/2022/11/29/a-handy-guide-to-the-humble-bbs/)
2022-11-29T12:00:29Z	**DIY Self-Assembling 4D Printing**
![](https://hackaday.com/wp-content/uploads/2022/11/4d.png?w=800)

A 4D printed object is like a 3D printed object, but it changes shape or self-assembles when its environment changes. [Teaching Tech] has been reading about this technology and decided […read more](https://hackaday.com/2022/11/29/diy-self-assembling-4d-printing/) ⌘ [Read more](https://hackaday.com/2022/11/29/diy-self-assembling-4d-printing/)
2022-11-29T15:00:11Z	**VR Sickness: A New, Old Problem**
![](https://hackaday.com/wp-content/uploads/2022/11/Sick.jpg?w=800)

Have you ever experienced dizziness, vertigo, or nausea while in a virtual reality experience? That’s VR sickness, and it’s a form of motion sickness. It is not a completely solved […read more](https://hackaday.com/2022/11/29/vr-sickness-a-new-old-problem/) ⌘ [Read more](https://hackaday.com/2022/11/29/vr-sickness-a-new-old-problem/)
2022-11-29T16:30:48Z	**Standing Desk With a Clever Flair**
![](https://hackaday.com/wp-content/uploads/2022/11/Make-a-UNIQUE-Sitting-Standing-Desk-By-Bending-Wood.png?w=800)

Standing desks (also known as sit-stand desks) are somewhat polarizing. The height is adjustable, but the idea is that you move between sitting and standing while you work. Hundreds of […read more](https://hackaday.com/2022/11/29/standing-desk-with-a-clever-flair/) ⌘ [Read more](https://hackaday.com/2022/11/29/standing-desk-with-a-clever-flair/)
2022-11-29T18:00:06Z	**Weird Energy Storage Solutions Could Help The Grid Go Renewable**
![](https://hackaday.com/wp-content/uploads/2020/09/BatterySupremacy.jpg?w=800)

We’re all familiar with batteries. Whether we’re talking about disposable AAs in the TV remote, or giant facilities full of rechargeable cells to store power for the grid, they’re a […read more](https://hackaday.com/2022/11/29/weird-energy-storage-solutions-could-help-the-grid-go-renewable/) ⌘ [Read more](https://hackaday.com/2022/11/29/weird-energy-storage-solutions-could-help-the-grid-go-renewable/)
2022-11-29T19:30:43Z	**Aesthetic PCB Design Tips For Improved Functionality**
![](https://hackaday.com/wp-content/uploads/2022/11/Snap-2022-11-25-at-23.09.06-featured.png?w=800)

Those of us hardware types that spend a lot of time designing PCBs will often look at other peoples’ designs with interest, and in some cases, considerable admiration. Some of […read more](https://hackaday.com/2022/11/29/aesthetic-pcb-design-tips-for-improved-functionality/) ⌘ [Read more](https://hackaday.com/2022/11/29/aesthetic-pcb-design-tips-for-improved-functionality/)
2022-11-29T21:00:27Z	**This Electric Outboard Conversion Makes for a Quiet Day on the Water**
![](https://hackaday.com/wp-content/uploads/2022/11/1280x720-vtime0_30-take2022-11-28-19.51.42.png?w=800)

Nothing beats a day on the lake in a little boat with an outboard motor putt-putting along behind you. It’s great fun, if perhaps a little noisy with all that […read more](https://hackaday.com/2022/11/29/this-electric-outboard-conversion-makes-for-a-quiet-day-on-the-water/) ⌘ [Read more](https://hackaday.com/2022/11/29/this-electric-outboard-conversion-makes-for-a-quiet-day-on-the-water/)
2022-11-30T00:00:56Z	**Interfacing An Old Engine Cowl Flaps Indicator To USB**
![](https://hackaday.com/wp-content/uploads/2022/11/merged_16x9-featured.png?w=800)

[Glen Akins] had a WW2-era aircraft engine cowl flap indicator lying around (as you do) and thought it would make a jolly fine USB-attached indicator. The model in question is […read more](https://hackaday.com/2022/11/29/interfacing-an-old-engine-cowl-flaps-indicator-to-usb/) ⌘ [Read more](https://hackaday.com/2022/11/29/interfacing-an-old-engine-cowl-flaps-indicator-to-usb/)
2022-11-30T03:00:34Z	**Prototyping the Prototype**
![](https://hackaday.com/wp-content/uploads/2022/11/crumb-circuit-main.jpg?w=800)

For basic prototyping, the go-to tool to piece together a functioning circuit is the breadboard. It’s a great way to prove a concept works before spending money and time on […read more](https://hackaday.com/2022/11/29/prototyping-the-prototype/) ⌘ [Read more](https://hackaday.com/2022/11/29/prototyping-the-prototype/)
2022-11-30T06:00:29Z	**Tiny 3D printed HO Scale Escalator That Works**
![3d printed escalator, from side, showing mechanism](https://hackaday.com/wp-content/uploads/2022/11/escalatormain.png?w=800)

[Luke Towan] has a cool HO scale Escalator mostly made of 3D printed parts, with some laser cut acrylic, for a station on his HO model railroad. Escalators are mesmerizing […read more](https://hackaday.com/2022/11/29/tiny-3d-printed-ho-scale-escalator-that-works/) ⌘ [Read more](https://hackaday.com/2022/11/29/tiny-3d-printed-ho-scale-escalator-that-works/)
2022-11-30T09:00:11Z	**Acrylic Light Puzzle Has A Point**
![](https://hackaday.com/wp-content/uploads/2022/11/acrylic-light-puzzle.png?w=632)

[JBV Creative] recently became a proud owner of a laser cutter and, like most of us, started to think about what they could make with it. The answer was simple, […read more](https://hackaday.com/2022/11/30/acrylic-light-puzzle-has-a-point/) ⌘ [Read more](https://hackaday.com/2022/11/30/acrylic-light-puzzle-has-a-point/)
2022-11-30T12:00:16Z	**Making 3D Print Time-lapses With Old Earphones and a Few Spare Parts**
![](https://hackaday.com/wp-content/uploads/2022/11/3DP-Timelapse-no-Octoprint-Featured.gif?w=505)

The trick to producing great 3D printing time-lapse animations is to ensure that the extruder has moved out of the frame each time a photo is taken — which usually […read more](https://hackaday.com/2022/11/30/making-3d-print-time-lapses-with-old-earphones-and-a-few-spare-parts/) ⌘ [Read more](https://hackaday.com/2022/11/30/making-3d-print-time-lapses-with-old-earphones-and-a-few-spare-parts/)
2022-11-30T15:00:31Z	**Building Your Own Consensus**
![](https://hackaday.com/wp-content/uploads/2022/11/2022-11-30-151556_1920x1200_scrot_002_featured.png?w=800)

With billions of computers talking to each other daily, how do they decide anything? Even in a database or server deployment, how do the different computers that make up the […read more](https://hackaday.com/2022/11/30/building-your-own-consensus/) ⌘ [Read more](https://hackaday.com/2022/11/30/building-your-own-consensus/)
2022-11-30T16:30:30Z	**Mechanical Keyboard with a Framework Inside**
![A grey keyboard with orange and dark grey accents is angled away from the camera. The keys nearby are clearly distinguishable in the foreground but blurry toward the back/right. The keyboard is quite thick as it also contains a computer motherboard.](https://hackaday.com/wp-content/uploads/2022/11/The-Ultimate-Framework-Keyboard-PC-Machined-Aluminum-Mainboard-Enclosure-YouTube-8-01.jpeg?w=800)

Like the Commodore 64 and other keyboard computers o ... ⌘ [Read more](https://hackaday.com/2022/11/30/mechanical-keyboard-with-a-framework-inside/)
2022-11-30T18:00:02Z	**JCB Is Exploring Hydrogen Combustion Engines For Construction Machinery**
![](https://hackaday.com/wp-content/uploads/2022/11/jcb-building-a-hydrogen-future-3fwmqgxcdqa-mp4-shot0014.jpg?w=800)

When we think about greening up the planet, solar panels and electric cars are often at the forefront of our mind. However, there’s a whole bunch of other things out […read more](https://hackaday.com/2022/11/30/jcb-is-exploring-hydrogen-combustion-engines-for-construction-mac ... ⌘ [Read more](https://hackaday.com/2022/11/30/jcb-is-exploring-hydrogen-combustion-engines-for-construction-machinery/)
2022-11-30T19:30:11Z	**Cardboard Game Tokens Become Shiny Click-Clacks With DIY Treatment**
![](https://hackaday.com/wp-content/uploads/2022/11/Deluxe-Cardboard-Tokens-1.png?w=800)

Tabletop games and cardboard tokens go hand-in-hand for a good reason: they are economical and effective. However, their tactile attributes leave a little to be desired. There’s something really great […read more](https://hackaday.com/2022/11/30/cardboard-game-tokens-become-shiny-click-clacks-with-diy-treatment/) ⌘ [Read more](https://hackaday.com/2022/11/30/cardboard-game-tokens-become-shiny-click-clacks-with-diy-treatment/)
2022-11-30T21:00:14Z	**Nano-Sized 7-Segment LED Display on a Surface Mount Module**
![tiny surface mount seven segment display](https://hackaday.com/wp-content/uploads/2022/11/Tiny-7.png?w=800)

Inspired by a prank tweet, [Sam Ettinger] endeavored to create an SMD seven-segment display.  The NanoRaptor NanoSegment implements a panel of seven-segment display modules sized at “0806” each or just […read more](https://hackaday.com/2022/11/30/nano-sized-7-segment-led-display-on-a-surface-mount-module/) ⌘ [Read more](https://hackaday.com/2022/11/30/nano-sized-7-segment-led-display-on-a-surface-mount-module/)
2022-12-01T00:00:48Z	**A Weather Station For Whether It Rains or Shines**
![An esp32 weather station with 3d printed anemometer, rain gauge and wind vane mounted on an aluminum frame sitting in an overgrown lawn](https://hackaday.com/wp-content/uploads/2022/11/esp32-weather.png?w=800)

[Giovanni Aggiustatutto] creates a DIY weather station to measure rain fail, wind direction, humidity and temperature. [Giovanni] has been working on various parts of the weather station, including the rain […read more](https://h ... ⌘ [Read more](https://hackaday.com/2022/11/30/a-weather-station-for-whether-it-rains-or-shines/)
2022-12-01T03:00:36Z	**NERF – Neural Radiance Fields**
![small actor on giant table](https://hackaday.com/wp-content/uploads/2022/11/nerf.jpg?w=800)

Making narrative film just keeps getting easier. What once took a studio is now within reach of the dedicated hobbyist. And Neural Radiance Fields are making it a dramatic step […read more](https://hackaday.com/2022/11/30/nerf-neural-radiance-fields/) ⌘ [Read more](https://hackaday.com/2022/11/30/nerf-neural-radiance-fields/)
2022-12-01T06:00:59Z	**The Gameboy Color Accessory You’ve Been Waiting For**
![](https://hackaday.com/wp-content/uploads/2022/11/2740321669689181836-featured.png?w=800)

Sometimes silly projects catch our eye, and we just can’t resist covering them. Over on Hackaday.io, [solderking] realised that there was a glaring omission in the multi-game management hardware for […read more](https://hackaday.com/2022/11/30/the-gameboy-color-accessory-youve-been-waiting-for/) ⌘ [Read more](https://hackaday.com/2022/11/30/the-gameboy-color-accessory-youve-been-waiting-for/)
2022-12-01T09:00:29Z	**A Cheap 3D Printer Control Panel as a General Purpose Interface**
![](https://hackaday.com/wp-content/uploads/2022/11/3dp-control-board-featured.jpg?w=800)

Browsing the usual websites for Chinese electronics, there are a plethora of electronic modules for almost every conceivable task. Some are made for the hobbyist or experimenter market, but many […read more](https://hackaday.com/2022/12/01/a-cheap-3d-printer-control-panel-as-a-general-purpose-interface/) ⌘ [Read more](https://hackaday.com/2022/12/01/a-cheap-3d-printer-control-panel-as-a-general-purpose-interface/)
2022-12-01T12:00:22Z	**TEGA: Typescript Embedded Game Boy (Macro) Assembler**
![](https://hackaday.com/wp-content/uploads/2022/11/Snap-2022-11-29-at-20.15.54.png?w=800)

[Francis Stokes] has a real love for the original Game Boy, suggesting that owning this machine pushed him along a certain path that many of us would recognize. Developing Game […read more](https://hackaday.com/2022/12/01/tega-typescript-embedded-game-boy-macro-assembler/) ⌘ [Read more](https://hackaday.com/2022/12/01/tega-typescript-embedded-game-boy-macro-assembler/)
2022-12-01T15:00:22Z	**Ask Hackaday: When It Comes To Processors, How Far Back Can You Go?**
![](https://hackaday.com/wp-content/uploads/2022/11/old-processors-featured.jpg?w=800)

When it was recently announced that the Linux kernel might drop support for the Intel 486 line of chips, we took a look at the state of the 486 world. […read more](https://hackaday.com/2022/12/01/ask-hackaday-when-it-comes-to-processors-how-far-back-can-you-go/) ⌘ [Read more](https://hackaday.com/2022/12/01/ask-hackaday-when-it-comes-to-processors-how-far-back-can-you-go/)
2022-12-01T16:30:37Z	**Taking (Good) Pictures of PCBs**
![](https://hackaday.com/wp-content/uploads/2022/11/pcb-photo-main.jpg?w=800)

Snapping pictures is not technically difficult with modern technology, but taking good photographs is another matter. There are a number of things that a photographer needs to account for in […read more](https://hackaday.com/2022/12/01/taking-good-pictures-of-pcbs/) ⌘ [Read more](https://hackaday.com/2022/12/01/taking-good-pictures-of-pcbs/)
2022-12-01T18:00:53Z	**Car Batteries: More than Just Wet Lead**
![](https://hackaday.com/wp-content/uploads/2022/12/car_battery_15124468492_4807610c5d_k.jpg?w=800)

Working on car electrical systems used to be easy. The battery simply provided power for the car’s starter motor when starting or to run the small number of accessories when […read more](https://hackaday.com/2022/12/01/car-batteries-more-than-just-wet-lead/) ⌘ [Read more](https://hackaday.com/2022/12/01/car-batteries-more-than-just-wet-lead/)
2022-12-01T19:30:30Z	**Rescue That Dead Xbox With An External PSU**
![](https://hackaday.com/wp-content/uploads/2022/11/xbox-psu-featured.jpg?w=800)

There is nothing worse than that sinking feeling as a computer or other device fails just after its warranty has expired. [Robotanv] had it with his Xbox Series S whose […read more](https://hackaday.com/2022/12/01/rescue-that-dead-xbox-with-an-external-psu/) ⌘ [Read more](https://hackaday.com/2022/12/01/rescue-that-dead-xbox-with-an-external-psu/)
2022-12-01T21:00:31Z	**Simple ATX Bench Power Supply Adds Variable Output**
![](https://hackaday.com/wp-content/uploads/2022/11/FGO46PPLAPDG8AO-e1669792398255.jpg?w=800)

A benchtop power supply is a key thing to have for any aspiring electronics hacker. While you can always buy one, plenty of us have old computer PSUs lying around […read more](https://hackaday.com/2022/12/01/simple-atx-bench-power-supply-adds-variable-output/) ⌘ [Read more](https://hackaday.com/2022/12/01/simple-atx-bench-power-supply-adds-variable-output/)
2022-12-02T00:00:53Z	**Using I²C Sensors with any Linux via USB and IIO**
![](https://hackaday.com/wp-content/uploads/2022/11/digispark-attiny85-bme280-si1145.jpg?w=720)

Hooking up I2C sensors is something which is generally associated with microcontrollers and SBCs, yet it’s very easy to use such I2C sensors from basically any system that runs Linux. […read more](https://hackaday.com/2022/12/01/using-i%c2%b2c-sensors-with-any-linux-via-usb-and-iio/) ⌘ [Read more](https://hackaday.com/2022/12/01/using-i%c2%b2c-sensors-with-any-linux-via-usb-and-iio/)
2022-12-02T03:00:17Z	**Ply Your Craft With Tubular Origami**
![](https://hackaday.com/wp-content/uploads/2022/11/kinegami_primary.png?w=800)

Researchers at the University of Pennsylvania have just published a paper on creating modular tubular origami machines which they call “Kinegami”, a portmanteau of “kinematic” and “origami”. The idea behind […read more](https://hackaday.com/2022/12/01/ply-your-craft-with-tubular-origami/) ⌘ [Read more](https://hackaday.com/2022/12/01/ply-your-craft-with-tubular-origami/)
2022-12-02T06:00:37Z	**Throwback: USB Hotplate Used 30 Whole Ports**
![](https://hackaday.com/wp-content/uploads/2022/11/0608152132_014-e1669789558867.jpg?w=800)

Once upon a time, USB was still hip, cool, and easy to understand. You could get up to 500 mA out of a port, which wasn’t much, but some companies […read more](https://hackaday.com/2022/12/01/throwback-usb-hotplate-used-30-whole-ports/) ⌘ [Read more](https://hackaday.com/2022/12/01/throwback-usb-hotplate-used-30-whole-ports/)
2022-12-02T09:00:14Z	**A Dead Photographic Format Rises From The Ashes**
![](https://hackaday.com/wp-content/uploads/2022/11/disc-film-featured.jpg?w=800)

Sometimes we stumble upon a hack that’s not entirely new but which is still pretty exceptional. So it is with [Hèrm Hofmeyer]’s guide to recreating a film cartridge for the […read more](https://hackaday.com/2022/12/02/a-dead-photographic-format-rises-from-the-ashes/) ⌘ [Read more](https://hackaday.com/2022/12/02/a-dead-photographic-format-rises-from-the-ashes/)
2022-12-02T12:00:50Z	**A Timepiece Straight Out of Back To The Future**
![](https://hackaday.com/wp-content/uploads/2022/11/timecircuit_feat.jpg?w=800)

[Stephen Holdaway] needed a desk clock, and decided to whip something up from scratch. The result is a beautiful tribute to the DeLorean’s time circuits from legendary 1985 film Back to […read more](https://hackaday.com/2022/12/02/a-timepiece-straight-out-of-back-to-the-future/) ⌘ [Read more](https://hackaday.com/2022/12/02/a-timepiece-straight-out-of-back-to-the-future/)
2022-12-02T15:00:18Z	**This Week in Security: Huawei Gets the Banhammer, Lastpass, and Old Code Breaking**
![](https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800)

While many of us were enjoying some time off for Thanksgiving, the US government took drastic action against Huawei and four other Chinese companies. The hardest hit are Huawei and […read more](https://hackaday.com/2022/12/02/this-week-in-security-huawei-gets-the-banhammer-lastpass-and-old-code-breaking/) ⌘ [Read more](https://hackaday.com/2022/12/02/this-week-in-security-huawei-gets-the-banhammer-lastpass-and-old-code-breaking/)
2022-12-02T16:30:00Z	**Spool Tower: Empty Filament Spool Or Base For Miniature Civilizations**
![Digital Taxidermy Spool Recycling concept art.](https://hackaday.com/wp-content/uploads/2022/11/recyled_gaming_terrain_from_trash_spools.jpg?w=800)

While churning through rolls of FDM filament, there are these empty spools that remain at the end. These can be thrown out with the trash, or be used as a […read more](https://hackaday.com/2022/12/02/spool-tower-empty-filament-spool-or-base-for-minia ... ⌘ [Read more](https://hackaday.com/2022/12/02/spool-tower-empty-filament-spool-or-base-for-miniature-civilizations/)
2022-12-02T17:00:54Z	**Hackaday Podcast 195: No NABU for You, Self-Assembling 3D Prints, Black Hats Look at EV Chargers**
![](https://hackaday.com/wp-content/uploads/2016/05/microphone.jpg?w=800)

This week, Editor-in-Chief Elliot Williams and Managing Editor Tom Nardi find themselves in the middle of a slow news week, so they dispense with the usual timely chit-chat and dive […read more](https://hackaday.com/2022/12/02/hackaday-podcast-195-no-nabu-for-you-self-assem ... ⌘ [Read more](https://hackaday.com/2022/12/02/hackaday-podcast-195-no-nabu-for-you-self-assembling-3d-prints-black-hats-look-at-ev-chargers/)
2022-12-02T18:00:01Z	**The Amateur Rocketry Hack Chat Reaches For the Stars**
![](https://hackaday.com/wp-content/uploads/2022/12/mesos_feat.jpg?w=800)

Hackaday has been around long enough to see incredible changes in what’s possible at the hobbyist level. The tools, techniques, and materials available today border on science-fiction compared to what […read more](https://hackaday.com/2022/12/02/the-amateur-rocketry-hack-chat-reaches-for-the-stars/) ⌘ [Read more](https://hackaday.com/2022/12/02/the-amateur-rocketry-hack-chat-reaches-for-the-stars/)
2022-12-02T19:30:27Z	**The J1772 Hydra Helps You Charge Two EVs At Once**
![](https://hackaday.com/wp-content/uploads/2022/11/1846811451848138787.jpg?w=800)

There are plenty of electric vehicle (EV) chargers out there that are underutilized. This is particularly common where older EVs are involved, where the cars may only be able to […read more](https://hackaday.com/2022/12/02/the-j1772-hydra-helps-you-charge-two-evs-at-once/) ⌘ [Read more](https://hackaday.com/2022/12/02/the-j1772-hydra-helps-you-charge-two-evs-at-once/)
2022-12-02T21:00:00Z	**Is That A Typewriter In Your Pocket Or Are You Just Pleased To See Me?**
![](https://hackaday.com/wp-content/uploads/2022/11/Snap-2022-11-30-at-21.21.22.png?w=800)

[Attoparsec] wondered what if you could carry a typewriter in your pocket, then followed through with that and built one. (Video, embedded below.) Kind of. The plan was to use an […read more](https://hackaday.com/2022/12/02/is-that-a-typewriter-in-your-pocket-or-are-you-just-pleased-to-see-me/) ⌘ [Read more](https://hackaday.com/2022/12/02/is-that-a-typewriter-in-your-pocket-or-are-you-just-pleased-to-see-me/)
2022-12-03T00:00:00Z	**Converting a Porsche 944 To Run A MAF**
![](https://hackaday.com/wp-content/uploads/2022/11/afm3-e1669790709284.jpg?w=800)

Electronic fuel injection was a big leap forward for engine control. However, early implementations often left something to be desired. This was the case for [Rob] and his Porsche 944, […read more](https://hackaday.com/2022/12/02/converting-a-porsche-944-to-run-a-maf/) ⌘ [Read more](https://hackaday.com/2022/12/02/converting-a-porsche-944-to-run-a-maf/)
2022-12-03T03:00:26Z	**Hackerboards: Making Finding The Right Single-Board Computer Easy**
![](https://hackaday.com/wp-content/uploads/2022/11/hackerboards_boards_db_screenshot.jpg?w=800)

The great thing about the wide availability of single-board computers (SBCs) is that it offers such a large selection of options, in terms of CPU performance, GPU features, RAM size, […read more](https://hackaday.com/2022/12/02/hackerboards-making-finding-the-right-single-board-computer-easy/) ⌘ [Read more](https://hackaday.com/2022/12/02/hackerboards-making-finding-the-right-single-board-computer-easy/)
2022-12-03T06:00:58Z	**Stack Trace from the 1950s Punches Again**
![](https://hackaday.com/wp-content/uploads/2022/11/punch-feature.png?w=800)

This repair/tutorial video by the telephone Connections Museum of Seattle features an amazing piece of electro-mechanical technology from the 1950s — the 5XB trouble recorder. Museum volunteer Sarah the “Switch Witch” has […read more](https://hackaday.com/2022/12/02/stack-trace-from-the-1950s-punches-again/) ⌘ [Read more](https://hackaday.com/2022/12/02/stack-trace-from-the-1950s-punches-again/)
2022-12-03T09:00:36Z	**Hanging Christmas Lights With No Ladder and No Fuss**
![](https://hackaday.com/wp-content/uploads/2022/11/SWgTSBF-2-e1669794904652.jpeg?w=800)

Getting up on a ladder to hang Christmas lights is a great way to hurt yourself if you’re not careful, and winter conditions only add to the peril. One enterprising […read more](https://hackaday.com/2022/12/03/hanging-christmas-lights-with-no-ladder-and-no-fuss/) ⌘ [Read more](https://hackaday.com/2022/12/03/hanging-christmas-lights-with-no-ladder-and-no-fuss/)
2022-12-03T12:00:12Z	**Bring Out the Fine Detail in Small Objects with This Coaxial Lighting Rig**
![](https://hackaday.com/wp-content/uploads/2022/11/1920x1080-vtime1_34-take2022-11-30-14.36.25.png?w=800)

All things considered, modern photography is pretty easy. It’s really just a matter of pointing the camera at the thing you want to take a picture of and letting the […read more](https://hackaday.com/2022/12/03/bring-out-the-fine-detail-in-small-objects-with-this-coaxial-lighting-rig ... ⌘ [Read more](https://hackaday.com/2022/12/03/bring-out-the-fine-detail-in-small-objects-with-this-coaxial-lighting-rig/)
2022-12-03T15:00:08Z	**Cargo Culting and Buried Treasure**
![](https://hackaday.com/wp-content/uploads/2017/10/computers.jpg?w=800)

I have no idea how true the stories are, but legend has it that when supplies were dropped on some Melanesian islands during WWII, some locals took to replicating runway […read more](https://hackaday.com/2022/12/03/cargo-culting-and-buried-treasure/) ⌘ [Read more](https://hackaday.com/2022/12/03/cargo-culting-and-buried-treasure/)
2022-12-03T18:00:50Z	**Nixie Display Module Is Addressable Via SPI**
![](https://hackaday.com/wp-content/uploads/2022/11/DisplayModule-0-3-screenshot-2-e1669796180530.png?w=800)

There are plenty of SPI interface screens on the market, but few of them have the charm of the good old Nixie tube. [Tony] decided to whip up a simple […read more](https://hackaday.com/2022/12/03/nixie-display-module-is-addressable-via-spi/) ⌘ [Read more](https://hackaday.com/2022/12/03/nixie-display-module-is-addressable-via-spi/)
2022-12-03T21:00:21Z	**Bit-Banging Bidirectional Ethernet on a Pi Pico**
![Magnetic jack version of the bit-bang ethernet peripheral for Raspberry Pi Pico](https://hackaday.com/wp-content/uploads/2022/11/boardmagjack.png?w=800)

These days, even really cheap microcontroller boards have options that will give you ethernet or wifi access. But what if you have an original Raspberry Pi Pico board and you […read more](https://hackaday.com/2022/12/03/bit-banging-bidirectional-ethernet-on-a-pi-pico/) ⌘ [Read more](https://hackaday.com/2022/12/03/bit-banging-bidirectional-ethernet-on-a-pi-pico/)
2022-12-04T00:00:23Z	**Build Your Own Mini Fogging Cauldron**
![](https://hackaday.com/wp-content/uploads/2022/11/Mini-Fogging-Cauldron-0-4-screenshot-1.png?w=800)

The best cauldrons are full of bubbling, steamy potions of great magical potential. We don’t have many of those in the real world, though, so sometimes we have to make […read more](https://hackaday.com/2022/12/03/build-your-own-mini-fogging-cauldron/) ⌘ [Read more](https://hackaday.com/2022/12/03/build-your-own-mini-fogging-cauldron/)
2022-12-04T03:00:44Z	**Better Coding Through Sketching**
![](https://hackaday.com/wp-content/uploads/2022/12/notate.png?w=800)

Back in the late 1970s and early 1980s, engineering students would take a few semesters of drafting and there would usually be a week or two of “computer-aided drafting.” In […read more](https://hackaday.com/2022/12/03/better-coding-through-sketching/) ⌘ [Read more](https://hackaday.com/2022/12/03/better-coding-through-sketching/)
2022-12-04T06:00:27Z	**A Cycle-Accurate Intel 8088 Core For All Your Retro PC Needs**
![](https://hackaday.com/wp-content/uploads/2022/11/MCL86-featured.jpg?w=800)

A problem faced increasingly by retrocomputer enthusiasts everywhere is the supply of chips. Once a piece of silicon goes out of production its demand can be supplied for a time […read more](https://hackaday.com/2022/12/03/a-cycle-accurate-intel-8088-core-for-all-your-retro-pc-needs/) ⌘ [Read more](https://hackaday.com/2022/12/03/a-cycle-accurate-intel-8088-core-for-all-your-retro-pc-needs/)
2022-12-04T09:00:49Z	**This is the Future of Waste Management**
![](https://hackaday.com/wp-content/uploads/2022/11/Snap-2022-11-30-at-23.42.35.png?w=800)

Many of us have been asking for some time now “where are our robot servants?” We were promised this dream life of leisure and luxury, but we’re still waiting. Modern […read more](https://hackaday.com/2022/12/04/this-is-the-future-of-waste-management/) ⌘ [Read more](https://hackaday.com/2022/12/04/this-is-the-future-of-waste-management/)
2022-12-04T12:00:07Z	**Breathe Through Your Ears?**
![Custom-designed photoplethysmogram designed to fit in ear like an ear bud](https://hackaday.com/wp-content/uploads/2022/11/ear-ppg-featured.png?w=800)

With all the attention given to heart rate monitoring and step counting, respiratory rate monitoring is often overlooked. Smartwatches are starting to incorporate respiratory rate monitoring more and more these […read more](https://hackaday.com/2022/12/04/breathe-through-your-ears/) ⌘ [Read more](https://hackaday.com/2022/12/04/breathe-through-your-ears/)
2022-12-04T15:00:23Z	**Rocket Switch – Accessibility Done With Elegance**
![The fully assembled RocketSwitch, with a 3D printed case on it and a USB-A connector sticking out, being held in someone's hand.](https://hackaday.com/wp-content/uploads/2022/12/hadimg_rocket_switch_feat.png?w=800)

Quite a few makers try and create devices helpful to others – today’s hack, Rocket Switch, is a lovely example of that. It’s a design by [Neil Squire] of [Makers […read more](https://hackaday.com/2022/12/04/rocket-switch-acces ... ⌘ [Read more](https://hackaday.com/2022/12/04/rocket-switch-accessibility-done-with-elegance/)
2022-12-04T18:00:02Z	**DIY Repair Stand Holds Your Bike and Weighs it**
![A repair stand for bicycles with an integrated scale](https://hackaday.com/wp-content/uploads/2022/12/Bike-repair-stand.jpg?w=800)

If you’ve ever done maintenance or repair work on your bicycle, you’ll know that positioning a bike in your workshop isn’t trivial. You can use your bike’s kickstand, or lean […read more](https://hackaday.com/2022/12/04/diy-repair-stand-holds-your-bike-and-weighs-it/) ⌘ [Read more](https://hackaday.com/2022/12/04/diy-repair-stand-holds-your-bike-and-weighs-it/)
2022-12-04T21:00:38Z	**The PalmPilot Returns, This Time in Your Browser**
![](https://hackaday.com/wp-content/uploads/2022/12/palm.png?w=800)

The PalmPilot doesn’t seem to get much retrocomputing love, but maybe it should. After all, it might not have been the very first handheld, but it was probably the most […read more](https://hackaday.com/2022/12/04/the-palmpilot-returns-this-time-in-your-browser/) ⌘ [Read more](https://hackaday.com/2022/12/04/the-palmpilot-returns-this-time-in-your-browser/)
2022-12-05T00:00:35Z	**Hackaday Links: December 4, 2022**
![Hackaday Links Column Banner](https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800)

Well, this is embarrassing! Imagine sending a multibillion-dollar rover to an ancient lakebed on Mars only to discover after a year of poking around at the rocks that it might […read more](https://hackaday.com/2022/12/04/hackaday-links-december-4-2022/) ⌘ [Read more](https://hackaday.com/2022/12/04/hackaday-links-december-4-2022/)
2022-12-05T03:00:11Z	**Miracle of Science: Scotch Tape Improves Generator**
![](https://hackaday.com/wp-content/uploads/2022/12/uoa.png?w=800)

We were always amused that one of the biggest scientific discoveries of the recent past — graphene — was started with pencil lead and Scotch tape. Now, researchers at the […read more](https://hackaday.com/2022/12/04/miracle-of-science-scotch-tape-improves-generator/) ⌘ [Read more](https://hackaday.com/2022/12/04/miracle-of-science-scotch-tape-improves-generator/)
2022-12-05T06:00:49Z	**Dirty TRS-80 Has a Surprise Hack**
![](https://hackaday.com/wp-content/uploads/2022/12/trs80.png?w=800)

[Adrian] had a TRS-80 model IV that looks like it was stored in a mulch pile. However, it seemed to have some surprises. The first hint that something was up […read more](https://hackaday.com/2022/12/04/dirty-trs-80-has-a-surprise-hack/) ⌘ [Read more](https://hackaday.com/2022/12/04/dirty-trs-80-has-a-surprise-hack/)
2022-12-05T09:00:19Z	**Using Electron Beams to Draw Tiny Shapes onto Silicon**
![A wafer being loaded into an electron microscope](https://hackaday.com/wp-content/uploads/2022/12/E-beam-litho-machine.png?w=800)

Over the past few years we’ve seen several impressive projects where people try to manufacture integrated circuits using hobbyist tools. One of the most complex parts of this process is […read more](https://hackaday.com/2022/12/05/using-electron-beams-to-draw-tiny-shapes-onto-silicon/) ⌘ [Read more](https://hackaday.com/2022/12/05/using-electron-beams-to-draw-tiny-shapes-onto-silicon/)
2022-12-05T12:00:51Z	**Designing to Remove Supports**
![](https://hackaday.com/wp-content/uploads/2022/12/3d.png?w=800)

If you want to 3D print arbitrary shapes with an FDM printer, you often find you need supports. If you have dissolvable support material, that might not be a big […read more](https://hackaday.com/2022/12/05/designing-to-remove-supports/) ⌘ [Read more](https://hackaday.com/2022/12/05/designing-to-remove-supports/)
2022-12-05T15:00:03Z	**Asbestos: the Miracle Mineral of Our Worst Nightmares**
![](https://hackaday.com/wp-content/uploads/2022/12/asbestos_8715137096_d4483730eb_o.jpg?w=800)

For much of the 19th and 20th century, the mining and use of asbestos saw near-constant growth, with virtually every material used in the construction of homes, offices, ships, road […read more](https://hackaday.com/2022/12/05/asbestos-the-miracle-mineral-of-our-worst-nightmares/) ⌘ [Read more](https://hackaday.com/2022/12/05/asbestos-the-miracle-mineral-of-our-worst-nightmares/)
2022-12-05T16:30:33Z	**How Realtime Is Your Kernel? Scope A GPIO To Find Out**
![Showing the scope screen and the BeagleBone setup side by side, with GPIO input and output traces shown on the scope screen.](https://hackaday.com/wp-content/uploads/2022/12/hadimg_rtgpio_scope_feat.jpg?w=800)

When debugging something as involved as kernel scheduler timings, you would typically use one of the software-based debugging mechanisms available. However, in cases when software is close to bare metal, […read more](htt ... ⌘ [Read more](https://hackaday.com/2022/12/05/how-realtime-is-your-kernel-scope-a-gpio-to-find-out/)
2022-12-05T18:00:32Z	**Perhaps It’s Time To Talk About All Those Fakes And Clones**
![](https://hackaday.com/wp-content/uploads/2022/11/genuine-fake-watches-featured.jpg?w=800)

A while back, I bought a cheap spectrum analyser via AliExpress. I come from the age when a spectrum analyser was an extremely expensive item with a built-in CRT display, […read more](https://hackaday.com/2022/12/05/perhaps-its-time-to-talk-about-all-those-fakes-and-clones/) ⌘ [Read more](https://hackaday.com/2022/12/05/perhaps-its-time-to-talk-about-all-those-fakes-and-clones/)
2022-12-05T19:00:58Z	**Dekatron Clock Tells the Time, Sans Semiconductors**
![A dekatron-based clock with a GPS receiver and a plastic dinosaur on top](https://hackaday.com/wp-content/uploads/2022/12/Dekaclock.png?w=800)

Over the years, there have been several memory and display technologies that served a particular niche for a while, only to be replaced and forgotten when a more suitable technology […read more](https://hackaday.com/2022/12/05/dekatron-clock-tells-the-time-sans-semiconductors/) ⌘ [Read more](https://hackaday.com/2022/12/05/dekatron-clock-tells-the-time-sans-semiconductors/)
2022-12-05T21:00:22Z	**Trash Bag And Foam Board Hovercraft Doesn’t Fail To Succeed. Or Fail.**
![](https://hackaday.com/wp-content/uploads/2022/12/projectair-hoverboard-featured.jpg?w=800)

When you think of a vehicle that can do it all- water, land, ice, snow and more- the hovercraft often comes to mind. And while they might not be ubiquitous, […read more](https://hackaday.com/2022/12/05/trash-bag-and-foam-board-hovercraft-doesnt-fail-to-succeed-or-fail/) ⌘ [Read more](https://hackaday.com/2022/12/05/trash-bag-and-foam-board-hovercraft-doesnt-fail-to-succeed-or-fail/)
2022-12-06T00:00:00Z	**Epic Guide to Bare-Metal STM32 Programming**
![Nucleo-F429ZI development board with STM32F429 microcontroller](https://hackaday.com/wp-content/uploads/2022/12/STM32-Bare-Metal.png?w=800)

[Sergey Lyubka] put together this epic guide for bare-metal microcontroller programming.  While the general concepts should be applicable to most any microcontroller, Sergey’s examples specifically relate to the Nucleo-F429ZI development […read more](https://hackaday.com/2022/12/05/epic-guide-to-bare-metal-stm ... ⌘ [Read more](https://hackaday.com/2022/12/05/epic-guide-to-bare-metal-stm32-programming/)
2022-12-06T03:00:00Z	**Radial Vector Reducer Rotates At Really Relaxed Velocity**
![](https://hackaday.com/wp-content/uploads/2022/11/cycloidal-featured.jpg?w=800)

When [Michael Rechtin] learned about Radial Vector Reducers, the underlying research math made his head spin, albeit very slowly. Realizing that it’s essentially a cycloidal drive meshed with a planetary […read more](https://hackaday.com/2022/12/05/radial-vector-reducer-rotates-at-really-relaxed-velocity/) ⌘ [Read more](https://hackaday.com/2022/12/05/radial-vector-reducer-rotates-at-really-relaxed-velocity/)
2022-12-06T06:00:36Z	**Rotary Dial Number Pad is the Perfect Prank for Retro-Phone Enthusiast**
![](https://hackaday.com/wp-content/uploads/2022/12/finished-keys-full.jpg?w=800)

We’re not sure about the rest of you, but to us, a keyboard without a number pad all the way over to the right just seems kind of — naked? […read more](https://hackaday.com/2022/12/05/rotary-dial-number-pad-is-the-perfect-prank-for-retro-phone-enthusiast/) ⌘ [Read more](https://hackaday.com/2022/12/05/rotary-dial-number-pad-is-the-perfect-prank-for-retro-phone-enthusiast/)
2022-12-06T09:00:34Z	**Homebrew 3D Printer Goop Promises Better Bed Adhesion**
![](https://hackaday.com/wp-content/uploads/2022/12/pva.png?w=800)

Back when 3D printers were pretty new, most of us had glass beds with or without painter’s tape. To make plastic stick, you’d either use a glue stick or hair […read more](https://hackaday.com/2022/12/06/homebrew-3d-printer-goop-promises-better-bed-adhesion/) ⌘ [Read more](https://hackaday.com/2022/12/06/homebrew-3d-printer-goop-promises-better-bed-adhesion/)
2022-12-06T12:00:31Z	**Clever Design Technique Makes Flexible PCB Fit for a Queen**
![A crown ornament made from PCB material](https://hackaday.com/wp-content/uploads/2022/12/Flexible-crown-PCB.jpeg?w=800)

Printed circuit boards can be square, round, octagonal, or whatever shape you desire. But there’s little choice when it comes to the third dimension: most PCBs are flat and rigid. […read more](https://hackaday.com/2022/12/06/clever-design-technique-makes-flexible-pcb-fit-for-a-queen/) ⌘ [Read more](https://hackaday.com/2022/12/06/clever-design-technique-makes-flexible-pcb-fit-for-a-queen/)
2022-12-06T15:00:39Z	**Gift Idea from 1969: A Kitchen Computer**
![](https://hackaday.com/wp-content/uploads/2022/12/KitchenComp.jpg?w=800)

The end of the year is often a time for people to exchange presents and — of course — the rich want to buy each other the best presents. The […read more](https://hackaday.com/2022/12/06/gift-idea-from-1969-a-kitchen-computer/) ⌘ [Read more](https://hackaday.com/2022/12/06/gift-idea-from-1969-a-kitchen-computer/)
2022-12-06T16:30:34Z	**Rocket Mounted 3D Printed Camera Wheel Tries, Succeeds, and Also Fails**
![](https://hackaday.com/wp-content/uploads/2022/12/bps.despin.featured.jpg?w=800)

[Joe] at BPS.space has a thing for rockets, and his latest quest is to build a rocket that will cross the Kármán Line and launch into the Final Frontier. And being […read more](https://hackaday.com/2022/12/06/rocket-mounted-3d-printed-camera-wheel-tries-succeeds-and-also-fails/) ⌘ [Read more](https://hackaday.com/2022/12/06/rocket-mounted-3d-printed-camera-wheel-tries-succeeds-and-also-fails/)
2022-12-06T18:00:54Z	**USB-C: Introduction For Hackers**
![](https://hackaday.com/wp-content/uploads/2020/06/USBC.jpg?w=800)

We’ve now had at least five years of USB-C ports in our devices. It’s a standard that many manufacturers and hackers can get behind. Initially, there was plenty of confusion […read more](https://hackaday.com/2022/12/06/usb-c-introduction-for-hackers/) ⌘ [Read more](https://hackaday.com/2022/12/06/usb-c-introduction-for-hackers/)
2022-12-06T19:30:39Z	**Silicone-Slapping Servos Solve Simon Says**
![A Simon toy with a robot that slaps little hands against it](https://hackaday.com/wp-content/uploads/2022/12/Simon-Air-Solver.jpg?w=800)

Most modern computer games have a clearly-defined end, but many classics like Pac-man and Duck Hunt can go on indefinitely, limited only by technical constraints such as memory size. One […read more](https://hackaday.com/2022/12/06/silicone-slapping-servos-solve-simon-says/) ⌘ [Read more](https://hackaday.com/2022/12/06/silicone-slapping-servos-solve-simon-says/)
2022-12-06T21:00:41Z	**The World’s Brightest Laser Pointer?**
![](https://hackaday.com/wp-content/uploads/2022/12/laser.png?w=800)

The videos from [styropyro] are always amusing and informative. However, ironically for him, he is alarmed that many green laser pointers are more powerful than they are supposed to be. […read more](https://hackaday.com/2022/12/06/the-worlds-brightest-laser-pointer/) ⌘ [Read more](https://hackaday.com/2022/12/06/the-worlds-brightest-laser-pointer/)
2022-12-07T00:00:31Z	**How On-Frequency Are Those Cheap Radar Modules?**
![](https://hackaday.com/wp-content/uploads/2022/12/doppler-frequency-featured.jpg?w=800)

If you’re partial to browsing AliExpress, Banggood, or eBay for unusual hardware, you may have seen the HB100 Doppler Radar modules. These are a PCB with a metal can on […read more](https://hackaday.com/2022/12/06/how-on-frequency-are-those-cheap-radar-modules/) ⌘ [Read more](https://hackaday.com/2022/12/06/how-on-frequency-are-those-cheap-radar-modules/)
2022-12-07T03:00:00Z	**PSA: Watch Out for White Filament**
![](https://hackaday.com/wp-content/uploads/2022/12/white.png?w=800)

We all know that using 3D printing filament with exotic filament that has metal or carbon fibers in it will tend to wear standard nozzles. That’s why many people who […read more](https://hackaday.com/2022/12/06/psa-watch-out-for-white-filament/) ⌘ [Read more](https://hackaday.com/2022/12/06/psa-watch-out-for-white-filament/)
2022-12-07T06:00:56Z	**Restarting The Grid When The Grid Is Off The Grid**
![](https://hackaday.com/wp-content/uploads/2022/12/power-grid-demo.jpg?w=800)

If you watch YouTube long enough, it seems like going “off the grid” is all the rage these days. But what if the thing that goes off the grid is the […read more](https://hackaday.com/2022/12/06/restarting-the-grid-when-the-grid-is-off-the-grid/) ⌘ [Read more](https://hackaday.com/2022/12/06/restarting-the-grid-when-the-grid-is-off-the-grid/)
2022-12-07T09:00:00Z	**Merry Christmas! Rip and Tear!**
![](https://hackaday.com/wp-content/uploads/2022/12/doom.png?w=800)

If you want a little mayhem on your Christmas tree, you can check out [Sprite\_tm]’s tiny PC Christmas ornament. With 3D printing, that isn’t such a tall order, but [Sprite]’s […read more](https://hackaday.com/2022/12/07/merry-christmas-rip-and-tear/) ⌘ [Read more](https://hackaday.com/2022/12/07/merry-christmas-rip-and-tear/)
2022-12-07T12:00:18Z	**In My Neighborhood, We Played Asteroids…with Real Asteroids**
![](https://hackaday.com/wp-content/uploads/2022/12/aster.png?w=796)

There was a comedian in the 1980s who always said he grew up in a tough neighborhood. He claimed they played cops and robbers with real cops. They played gin […read more](https://hackaday.com/2022/12/07/in-my-neighborhood-we-played-asteroids-with-real-asteroids/) ⌘ [Read more](https://hackaday.com/2022/12/07/in-my-neighborhood-we-played-asteroids-with-real-asteroids/)
2022-12-07T15:00:31Z	**Review: Inkplate 2 Shrinks Down, Adds Color**
![](https://hackaday.com/wp-content/uploads/2022/12/inkplate2_feat.jpg?w=800)

Regular Hackaday readers may recall the Inkplate family of devices: open source all-in-one development boards that combine the power and versatility of the ESP32 with electronic paper displays salvaged from […read more](https://hackaday.com/2022/12/07/review-inkplate-2-shrinks-down-adds-color/) ⌘ [Read more](https://hackaday.com/2022/12/07/review-inkplate-2-shrinks-down-adds-color/)
2022-12-07T16:30:41Z	**The 10 Kinds of Programmers That Use Calcutron-33**
![](https://hackaday.com/wp-content/uploads/2022/12/calc.png?w=800)

It is interesting how, if you observe long enough, things tend to be cyclical. Back in the old days, some computers didn’t use binary, they used decimal. This was especially […read more](https://hackaday.com/2022/12/07/the-10-kinds-of-programmers-that-use-calcutron-33/) ⌘ [Read more](https://hackaday.com/2022/12/07/the-10-kinds-of-programmers-that-use-calcutron-33/)
2022-12-07T18:00:00Z	**Love AI, but Don’t Love It Too Much**
![](https://hackaday.com/wp-content/uploads/2018/05/ros1.jpg?w=800)

The up-and-coming Wonder of the World in software and  information circles , and particularly in those circles who talk about them, is AI. Give a magic machine a lot of […read more](https://hackaday.com/2022/12/07/love-ai-but-dont-love-it-too-much/) ⌘ [Read more](https://hackaday.com/2022/12/07/love-ai-but-dont-love-it-too-much/)
2022-12-07T19:30:30Z	**Microscopic Metal 3D Printing with Gels**
![](https://hackaday.com/wp-content/uploads/2022/12/gel.png?w=800)

Everyone wants to 3D print with metals, but it is a difficult task. You need high temperatures and metals with high thermal conductivity make the problem even worse. Researchers at […read more](https://hackaday.com/2022/12/07/microscopic-metal-3d-printing-with-gels/) ⌘ [Read more](https://hackaday.com/2022/12/07/microscopic-metal-3d-printing-with-gels/)
2022-12-07T21:00:15Z	**Transparent Metal (Hydroxide) without Mr. Scott**
![](https://hackaday.com/wp-content/uploads/2022/12/transparent.png?w=800)

There’s a famous scene in one of the Star Trek movies where Scotty, who has traveled to the past, teaches a metal company to create the transparent aluminum he needs […read more](https://hackaday.com/2022/12/07/transparent-metal-hydroxide-without-mr-scott/) ⌘ [Read more](https://hackaday.com/2022/12/07/transparent-metal-hydroxide-without-mr-scott/)
2022-12-08T00:00:53Z	**A Tiny RISC-V Emulator Runs Linux With No MMU. And Yes, It Runs DOOM!**
![](https://hackaday.com/wp-content/uploads/2022/12/doom-text-featured.jpg?w=800)

It’s something of an article of faith, that to run Linux your computer must include a hardware memory management unit, or MMU. To an extent it’s true, in that for […read more](https://hackaday.com/2022/12/07/a-tiny-risc-v-emulator-runs-linux-with-no-mmu-and-yes-it-runs-doom/) ⌘ [Read more](https://hackaday.com/2022/12/07/a-tiny-risc-v-emulator-runs-linux-with-no-mmu-and-yes-it-runs-doom/)
2022-12-08T03:00:42Z	**Recreating the Sounds of the ’90s With a YM3812 Synthesizer**
![A EuroRack synthesizer module with an oscilloscope in the background showing a waveform](https://hackaday.com/wp-content/uploads/2022/12/YM3812-Synthesizer.png?w=800)

One reason the x86 PC became the dominant game platform in the early 1990s was the availability of affordable sound cards like the AdLib and Sound Blaster. These provided a […read more](https://hackaday.com/2022/12/07/recreating-the-sounds-of-the-90s- ... ⌘ [Read more](https://hackaday.com/2022/12/07/recreating-the-sounds-of-the-90s-with-a-ym3812-synthesizer/)
2022-12-08T06:00:00Z	**A Wheatstone Bridge Matches Your Pots**
![](https://hackaday.com/wp-content/uploads/2022/12/wheatstone-featured.jpg?w=800)

Sometimes the simplest hacks can be the most useful or ingenious, and such is the case with [Keri Szafir]’s method of ensuring that potentiometers used in audio devices are matched. […read more](https://hackaday.com/2022/12/07/a-wheatstone-bridge-matches-your-pots/) ⌘ [Read more](https://hackaday.com/2022/12/07/a-wheatstone-bridge-matches-your-pots/)
2022-12-08T09:00:07Z	**An Affordable And Programmable PLC**
![](https://hackaday.com/wp-content/uploads/2022/12/stm-plc-featured.jpg?w=800)

We’re all used to general purpose microcontroller boards such as the Arduino or its many imitators, but perhaps we don’t see as much of their industrial cousins. A programmable logic […read more](https://hackaday.com/2022/12/08/an-affordable-and-programmable-plc/) ⌘ [Read more](https://hackaday.com/2022/12/08/an-affordable-and-programmable-plc/)
2022-12-08T12:00:25Z	**Audio Amp Puts VFDs to Work in an Unusual Way**
![](https://hackaday.com/wp-content/uploads/2022/12/FRWRC5XLAQSU2C4.jpg?w=800)

It’s safe to say that most projects that feature a VFD emphasize the “D” aspect more than anything. Vacuum fluorescent displays are solid performers, after all, with their cool blue-green […read more](https://hackaday.com/2022/12/08/audio-amp-puts-vfds-to-work-in-an-unusual-way/) ⌘ [Read more](https://hackaday.com/2022/12/08/audio-amp-puts-vfds-to-work-in-an-unusual-way/)
2022-12-08T15:00:07Z	**Singapore Branches Out Into Internet of Trees**
![](https://hackaday.com/wp-content/uploads/2022/12/Trees.jpg?w=800)

Five years ago, a 38-year-old woman was enjoying an outdoor concert with her family with one of her twin infants in her arms. In the week prior, it had been […read more](https://hackaday.com/2022/12/08/singapore-branches-out-into-internet-of-trees/) ⌘ [Read more](https://hackaday.com/2022/12/08/singapore-branches-out-into-internet-of-trees/)
2022-12-08T16:30:47Z	**A Very Tidy ATX Bench PSU**
![](https://hackaday.com/wp-content/uploads/2022/12/atx-psu-featured.jpg?w=800)

If there’s one thing that for decades of desktop PCs have given us, it’s a seemingly endless supply of relatively capable power supplies. If you need 5 volts or 12 […read more](https://hackaday.com/2022/12/08/a-very-tidy-atx-bench-psu/) ⌘ [Read more](https://hackaday.com/2022/12/08/a-very-tidy-atx-bench-psu/)
2022-12-08T18:00:25Z	**Build a Better Mousetrap… But It Better be Better!**
![](https://hackaday.com/wp-content/uploads/2022/12/self-parking-car-1930s-1950s-fifth-wheel-parallel-parking-tool-that-never-hit-it-big-nwznl1eq-6m-mp4-shot0008.jpg?w=800)

As creative problem solvers, we like to “think outside the box,” and we should strive for that. But what happens if your strange idea isn’t kept in check by cooler […read more](https://hackaday.com/2022/12/08/build-a-better-mousetrap-but-it-better-be-better/) ⌘ [Read more](https://hackaday.com/2022/12/08/build-a-better-mousetrap-but-it-better-be-better/)
2022-12-08T19:30:51Z	**The Robots Of Fukushima: Going Where No Human Has Gone Before (And Lived)**
![](https://hackaday.com/wp-content/uploads/2022/12/fukushima-bot-featured.jpg?w=800)

The idea of sending robots into conditions that humans would not survive is a very old concept. Robot’s don’t heed oxygen, food, or any other myriad of human requirements. They […read more](https://hackaday.com/2022/12/08/the-robots-of-fukushima-going-where-no-human-has-gone-before-and-lived/) ⌘ [Read more](https://hackaday.com/2022/12/08/the-robots-of-fukushima-going-where-no-human-has-gone-before-and-lived/)
2022-12-08T21:00:49Z	**DrLCD is Here to Give Your MSLA Printer a Checkup**
![](https://hackaday.com/wp-content/uploads/2022/12/drlcd_feat.jpg?w=800)

Over the last couple years, we’ve seen an absolute explosion of masked stereolithography (MSLA) 3D printers that use an LCD screen to selectively block UV light coming from a powerful […read more](https://hackaday.com/2022/12/08/drlcd-is-here-to-give-your-msla-printer-a-checkup/) ⌘ [Read more](https://hackaday.com/2022/12/08/drlcd-is-here-to-give-your-msla-printer-a-checkup/)
2022-12-09T00:00:08Z	**Osprey Keyboard Lets the nRF52840 Spread Its Wings**
![](https://hackaday.com/wp-content/uploads/2022/12/osprey-800.jpg?w=800)

While most people don’t care whether they use one finger or ten, some people want to better themselves by learning how to touch-type. And honestly, there’s no easier way to […read more](https://hackaday.com/2022/12/08/osprey-keyboard-lets-the-nrf52840-spread-its-wings/) ⌘ [Read more](https://hackaday.com/2022/12/08/osprey-keyboard-lets-the-nrf52840-spread-its-wings/)
2022-12-09T03:00:04Z	**Power Over Ethernet, Explained**
![](https://hackaday.com/wp-content/uploads/2022/12/PoE-featured.jpg?w=800)

Most readers will be familiar with Ethernet networks in some form, in particular the Cat5 cables which may snake around the back of our benches. In a similar vein, we’ll […read more](https://hackaday.com/2022/12/08/power-over-ethernet-explained/) ⌘ [Read more](https://hackaday.com/2022/12/08/power-over-ethernet-explained/)
2022-12-09T06:00:06Z	**Pi Pico QR Display Hands Out WiFi Info with Style**
![](https://hackaday.com/wp-content/uploads/2022/12/wifiqr_feat.jpg?w=800)

At this point, you’re likely aware that you can store your wireless network’s credentials in a QR code, so that anyone who wants to connect with their smartphone need only […read more](https://hackaday.com/2022/12/08/pi-pico-qr-display-hands-out-wifi-info-with-style/) ⌘ [Read more](https://hackaday.com/2022/12/08/pi-pico-qr-display-hands-out-wifi-info-with-style/)
2022-12-09T09:00:03Z	**There’s Nothing Square About this Rectangular Guitar**
![](https://hackaday.com/wp-content/uploads/2022/12/square-guitar-800.jpeg?w=800)

We kind of already knew this, but it seems that [Uri Tuchman] really can build absolutely anything. This fall, he was asked to compete in the Great Guitar Build-Off competition, […read more](https://hackaday.com/2022/12/09/theres-nothing-square-about-this-rectangular-guitar/) ⌘ [Read more](https://hackaday.com/2022/12/09/theres-nothing-square-about-this-rectangular-guitar/)
2022-12-09T12:00:10Z	**Nostalgic 30-in-ONE Electronics Badge for DEF CON 30**
![DC Zia 30-in-ONE Badge for DEF CON 30](https://hackaday.com/wp-content/uploads/2022/12/30inONE.png?w=800)

[hamster] and the DC Zia crew offered up a throwback 30-in-ONE Learn Electronics indie badge for DEF CON 30. The badge is inspired by the Radio Shack “100-in-1” style project […read more](https://hackaday.com/2022/12/09/nostalgic-30-in-one-electronics-badge-for-def-con-30/) ⌘ [Read more](https://hackaday.com/2022/12/09/nostalgic-30-in-one-electronics-badge-for-def-con-30/)
2022-12-09T15:00:03Z	**This Week in Security: Rackspace Falls Over, Poison Ping, and the WordPress Race**
![](https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800)

In what’s being described as a Humpty-Dumpty incident, Rackspace customers have lost access to their hosted Exchange service, and by extension, lots of archived emails. The first official word of […read more](https://hackaday.com/2022/12/09/this-week-in-security-rackspace-falls-over-poison-ping-and-the-word ... ⌘ [Read more](https://hackaday.com/2022/12/09/this-week-in-security-rackspace-falls-over-poison-ping-and-the-wordpress-race/)
2022-12-09T16:30:08Z	**Turning a Toy Gamepad Into a Real One, With Bluetooth**
![A toy gamepad controlling Super Mario World emulated on a MacBook](https://hackaday.com/wp-content/uploads/2022/12/Fisher-Price-Gamepad.png?w=800)

It’s important to instill healthy habits in your children when they’re still young. Preferences for sports, snacks and dinosaurs are typically formed in early childhood, as is loyalty to a […read more](https://hackaday.com/2022/12/09/turning-a-toy-gamepad-into-a-real-one-with-blueto ... ⌘ [Read more](https://hackaday.com/2022/12/09/turning-a-toy-gamepad-into-a-real-one-with-bluetooth/)
2022-12-09T17:00:30Z	**Hackaday Podcast 196: Flexing Hard PCBs, Dangers of White Filament, and the Jetsons’ Kitchen Computer**
![](https://hackaday.com/wp-content/uploads/2016/05/microphone.jpg?w=800)

This week, Editor-in-Chief Elliot Williams and Managing Editor Tom Nardi start the Hackaday Podcast by talking about another podcast that’s talking about…Hackaday. Or more accurately, the recent Hackaday Supercon. After […read more](https://hackaday.com/2022/12/09/ ... ⌘ [Read more](https://hackaday.com/2022/12/09/hackaday-podcast-196-flexing-hard-pcbs-dangers-of-white-filament-and-the-jetsons-kitchen-computer/)
2022-12-09T18:00:41Z	**Ask Hackaday: Will your 2030 Car Have AM Radio?**
![](https://hackaday.com/wp-content/uploads/2022/12/car_radio2610428952_8de3ebb447_k.jpg?w=800)

Car makers have been phasing out AM radios in their cars for quite some time. Let’s face it, there isn’t much on AM these days, and electric vehicles have been […read more](https://hackaday.com/2022/12/09/ask-hackaday-will-your-2030-car-have-am-radio/) ⌘ [Read more](https://hackaday.com/2022/12/09/ask-hackaday-will-your-2030-car-have-am-radio/)
2022-12-09T19:30:35Z	**An Open Source PowerPC Notebook Edges Closer**
![](https://hackaday.com/wp-content/uploads/2022/12/ppc-laptop-featured.jpg?w=800)

Back in 2020, we reported on the effort to create a brand new open-source laptop platform using the PowerPC architecture. At the time they had big plans and a PCB […read more](https://hackaday.com/2022/12/09/an-open-source-powerpc-notebook-edges-closer/) ⌘ [Read more](https://hackaday.com/2022/12/09/an-open-source-powerpc-notebook-edges-closer/)
2022-12-09T21:00:15Z	**Printed Propeller Blades Repair Indoor Flyer**
![](https://hackaday.com/wp-content/uploads/2022/12/printedprops_feat.jpg?w=800)

Fair warning for readers with a weak stomach, the video below graphically depicts an innocent rubber band airplane being obliterated in mid-air by a smug high-tech RC helicopter. It’s a […read more](https://hackaday.com/2022/12/09/printed-propeller-blades-repair-indoor-flyer/) ⌘ [Read more](https://hackaday.com/2022/12/09/printed-propeller-blades-repair-indoor-flyer/)
2022-12-10T00:00:07Z	**Properly Pipe Laser Light Around with Homebrew Fiber Couplings**
![](https://hackaday.com/wp-content/uploads/2022/12/1920x1080-vtime11_49-take2022-12-08-16.00.40.png?w=800)

It’s a rare person who can pick up a cheap laser pointer and not wield it like a lightsaber or a phaser, complete with sound effects. There’s just something about […read more](https://hackaday.com/2022/12/09/properly-pipe-laser-light-around-with-homebrew-fiber-couplings/) ⌘ [Read more](https://hackaday.com/2022/12/09/properly-pipe-laser-light-around-with-homebrew-fiber-couplings/)
2022-12-10T03:00:50Z	**Clean Slate is a Vintage Amplifier-Inspired PC**
![An art deco style computer made of several grey/blue boxes with silver grates on top of a maple platform.](https://hackaday.com/wp-content/uploads/2022/12/Clean-Slate.jpg?w=639)

Hacks that bring a vintage flair to modern electronics never get old, and [Jeffrey Stephenson] delivers with his Project Clean Slate inspired by vintage tube amps. Thinking outside the traditional […read more](https://hackaday.com/2022/12/09/clean-slate-is-a-vintag ... ⌘ [Read more](https://hackaday.com/2022/12/09/clean-slate-is-a-vintage-amplifier-inspired-pc/)
2022-12-10T06:00:08Z	**Ultimate Game and Watch Has Support for NES**
![](https://hackaday.com/wp-content/uploads/2022/12/game-and-watch-main.jpg?w=800)

We’ve talked about feature creep plenty of times around here, and it’s generally regarded as something to be avoided when designing a prototype. It might sound good to have a […read more](https://hackaday.com/2022/12/09/ultimate-game-and-watch-has-support-for-nes/) ⌘ [Read more](https://hackaday.com/2022/12/09/ultimate-game-and-watch-has-support-for-nes/)
2022-12-10T09:00:36Z	**Using GitHub Actions to Brew Coffee**
![](https://hackaday.com/wp-content/uploads/2022/12/wireless-coffee-main.jpeg?w=642)

It’s getting harder and harder to think of a modern premium-level appliance that doesn’t come with some level of Internet connectivity. These days it seems all but the cheapest refrigerators, […read more](https://hackaday.com/2022/12/10/using-github-actions-to-brew-coffee/) ⌘ [Read more](https://hackaday.com/2022/12/10/using-github-actions-to-brew-coffee/)
2022-12-10T12:00:19Z	**Flipper Zero Hacker Tool Gets UI Editor For Custom Apps**
![](https://hackaday.com/wp-content/uploads/2022/12/GUI-made-easy.png?w=589)

[Mikhail] released a handy GUI editor/generator tool for the Flipper Zero multipurpose hacker tool, making layouts and UI elements much easier and more intuitive to craft up. Those who decide […read more](https://hackaday.com/2022/12/10/flipper-zero-hacker-tool-gets-ui-editor-for-custom-apps/) ⌘ [Read more](https://hackaday.com/2022/12/10/flipper-zero-hacker-tool-gets-ui-editor-for-custom-apps/)
2022-12-10T15:00:11Z	**Fossil Files: My .Emacs**
![](https://hackaday.com/wp-content/uploads/2022/12/old_book_32047028508_f4815d749b_k.jpg?w=800)

Last week, I wrote about cargo culting in a much more general context, so this week I’m going to come clean. The file that had me thinking about the topic […read more](https://hackaday.com/2022/12/10/fossil-files-my-emacs/) ⌘ [Read more](https://hackaday.com/2022/12/10/fossil-files-my-emacs/)
2022-12-10T18:00:23Z	**Old-School Video Switching Levels Up With Modern USB Control**
![](https://hackaday.com/wp-content/uploads/2022/12/caps.jpg?w=800)

Video effects and mixing are done digitally today, but it wasn’t always so. When analog ruled the video world, a big switch panel was key to effective results. Devices like […read more](https://hackaday.com/2022/12/10/old-school-video-switching-levels-up-with-modern-usb-control/) ⌘ [Read more](https://hackaday.com/2022/12/10/old-school-video-switching-levels-up-with-modern-usb-control/)
2022-12-10T21:00:34Z	**Retro Alarm Clock with Nixies is Thoroughly Modern Inside**
![An alarm clock with a Nixie tube display](https://hackaday.com/wp-content/uploads/2022/12/Nixie-alarm-clock.jpg?w=800)

We feature a lot of clocks here at Hackaday, but alarm clocks seem to be less popular for some reason. Maybe that’s because no-one enjoys being woken up in the […read more](https://hackaday.com/2022/12/10/retro-alarm-clock-with-nixies-is-thoroughly-modern-inside/) ⌘ [Read more](https://hackaday.com/2022/12/10/retro-alarm-clock-with-nixies-is-thoroughly-modern-inside/)
2022-12-11T00:00:09Z	**Gaze Upon The Swimming Mechanical Stingray, Made With LEGO**
![](https://hackaday.com/wp-content/uploads/2022/12/LEGO-Mechanical-Stingray.jpg?w=800)

Stingrays have an elegant, undulating swimming motion that can be hypnotic. [Vimal Patel] re-created this harmony with his fantastic mechanical mechanical stingray using LEGO pieces and a LEGO Technics Power […read more](https://hackaday.com/2022/12/10/gaze-upon-the-swimming-mechanical-stingray-made-with-lego/) ⌘ [Read more](https://hackaday.com/2022/12/10/gaze-upon-the-swimming-mechanical-stingray-made-with-lego/)
2022-12-11T03:00:21Z	**Lisp Runs This Microcontroller Pendant**
![](https://hackaday.com/wp-content/uploads/2022/12/Lisp-star-800.jpg?w=800)

As a programming language, Lisp has been around longer than any other active language except for Fortran. To anyone who regularly uses it, it’s easy to see why: the language […read more](https://hackaday.com/2022/12/10/lisp-runs-this-microcontroller-pendant/) ⌘ [Read more](https://hackaday.com/2022/12/10/lisp-runs-this-microcontroller-pendant/)
2022-12-11T06:00:52Z	**A VM In An AI**
![](https://hackaday.com/wp-content/uploads/2018/05/ros1.jpg?w=800)

AI knoweth everything, and as each new model breaks upon the world, it attracts a new crowd of experimenters. The new hotness is ChatGPT, and [Jonas Degrave] has turned his […read more](https://hackaday.com/2022/12/10/a-vm-in-an-ai/) ⌘ [Read more](https://hackaday.com/2022/12/10/a-vm-in-an-ai/)
2022-12-11T09:00:46Z	**Fixing (And Improving!) an Annoying Apartment Entry System**
![](https://hackaday.com/wp-content/uploads/2022/12/wholething.jpg?w=800)

[Zak]’s two-floor apartment has a typical door entry control system, but the setup is less than ideally convenient. The wall-mounted telephone-like intercom is downstairs, but [Zak] is usually upstairs. What’s […read more](https://hackaday.com/2022/12/11/fixing-and-improving-an-annoying-apartment-entry-system/) ⌘ [Read more](https://hackaday.com/2022/12/11/fixing-and-improving-an-annoying-apartment-entry-system/)
2022-12-11T12:00:31Z	**NE555-Based Electronic Dice**
![photograph of custom PCB assembly of NE555-based electronic dice](https://hackaday.com/wp-content/uploads/2022/12/7756171645775449219.jpg?w=800)

It has become a bit of a running joke in the Hackaday community to suggest that a project could or should have been done with a 555 timer. [Tim] has […read more](https://hackaday.com/2022/12/11/ne555-based-electronic-dice/) ⌘ [Read more](https://hackaday.com/2022/12/11/ne555-based-electronic-dice/)
2022-12-11T15:00:32Z	**A Straightforward Old-Fashioned DAC**
![](https://hackaday.com/wp-content/uploads/2022/12/simple-dac-featured.jpg?w=800)

With modern microcontrollers, the process of interfacing with the analogue world is easy. Simply enable the on-board DAC or ADC, and talk to the world. If you’ve ever done this […read more](https://hackaday.com/2022/12/11/a-straightforward-old-fashioned-dac/) ⌘ [Read more](https://hackaday.com/2022/12/11/a-straightforward-old-fashioned-dac/)
2022-12-11T18:00:12Z	**PDP-8 Plays Period Popcorn Piece**
![](https://hackaday.com/wp-content/uploads/2022/12/decus-feature.png?w=800)

[Kyle Owen], collector of antique tech, decided to try his hand at music arrangement — for the PDP-8 computer, that is (listen to the video below the break). He’s using […read more](https://hackaday.com/2022/12/11/pdp-8-plays-period-popcorn-piece/) ⌘ [Read more](https://hackaday.com/2022/12/11/pdp-8-plays-period-popcorn-piece/)
2022-12-11T21:00:37Z	**DIY Comparatron Helps Trace Tiny, Complex Objects**
![](https://hackaday.com/wp-content/uploads/2022/12/Comparatron-Demonstration-DIY-digital-optical-comparator-1-35-screenshot.png?w=605)

Hackers frequently find themselves reverse-engineering or interfacing to existing hardware and devices, and when that interface needs to be a physical one, it really pays to be able to take […read more](https://hackaday.com/2022/12/11/diy-comparatron-helps-trace-tiny-complex-objects/) ⌘ [Read more](https://hackaday.com/2022/12/11/diy-comparatron-helps-trace-tiny-complex-objects/)
2022-12-12T00:00:57Z	**Hackaday Links: December 11, 2022**
![Hackaday Links Column Banner](https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800)

“They paved paradise and put up a parking lot.” That might be stretching things a bit, especially when the “paradise” in question is in New Jersey, but there’s a move […read more](https://hackaday.com/2022/12/11/hackaday-links-december-11-2022/) ⌘ [Read more](https://hackaday.com/2022/12/11/hackaday-links-december-11-2022/)
2022-12-12T03:00:22Z	**See What You’re In For When Buying And Moving A Lathe**
![](https://hackaday.com/wp-content/uploads/2022/12/DSC02291.jpg?w=639)

Sometimes, with patience and luck, one can score a sweet deal on machinery. But for tools that weigh many hundreds of pounds? Buying it is only the beginning of the […read more](https://hackaday.com/2022/12/11/see-what-youre-in-for-when-buying-and-moving-a-lathe/) ⌘ [Read more](https://hackaday.com/2022/12/11/see-what-youre-in-for-when-buying-and-moving-a-lathe/)
2022-12-12T06:00:30Z	**Laser Projector Needs Hardware Hack After Software Mod**
![An RGB laser projector opened up on a workbench](https://hackaday.com/wp-content/uploads/2022/12/RGB-laser-projector-fix.png?w=800)

You probably recognize that dreadful feeling when you reboot a gadget after updating its firmware, only to be greeted by a blank screen and an unresponsive device. This apparently happened […read more](https://hackaday.com/2022/12/11/laser-projector-needs-hardware-hack-after-software-mod/) ⌘ [Read more](https://hackaday.com/2022/12/11/laser-projector-needs-hardware-hack-after-software-mod/)
2022-12-12T09:00:40Z	**CGA Competitors from the 1980s**
![](https://hackaday.com/wp-content/uploads/2022/12/cga-double-stacked-isa-e1670800639755.png?w=800)

[David Murray], aka The 8-Bit Guy, did an interesting video (embedded below the break) on the time line of PC graphics cards from CGA through to EGA. Not only does […read more](https://hackaday.com/2022/12/12/cga-competitors-from-the-1980s/) ⌘ [Read more](https://hackaday.com/2022/12/12/cga-competitors-from-the-1980s/)
2022-12-12T12:00:04Z	**Getting Root On A Chinese IP Camera**
![](https://hackaday.com/wp-content/uploads/2022/12/xm530_ip_camera_front_back.jpg?w=800)

With so many cheap network-connected devices out there being Linux-powered, it’s very tempting to try and hack into them, usually via a serial interface. This was the goal of [Andrzej […read more](https://hackaday.com/2022/12/12/getting-root-on-a-chinese-ip-camera/) ⌘ [Read more](https://hackaday.com/2022/12/12/getting-root-on-a-chinese-ip-camera/)
2022-12-12T15:00:51Z	**NASA Aces Artemis I, But the Journey Has Just Begun**
![](https://hackaday.com/wp-content/uploads/2022/08/ArtemisRocket.jpg?w=800)

When NASA’s Orion capsule splashed down in the Pacific Ocean yesterday afternoon, it marked the end of a journey that started decades ago. The origins of the Orion capsule can […read more](https://hackaday.com/2022/12/12/nasa-aces-artemis-i-but-the-journey-has-just-begun/) ⌘ [Read more](https://hackaday.com/2022/12/12/nasa-aces-artemis-i-but-the-journey-has-just-begun/)
2022-12-12T16:30:24Z	**Laser-Cutting A Flurry of Generative Snowflakes**
![A persons handing holding a pile of generative, laser cut snowflake ornaments](https://hackaday.com/wp-content/uploads/2022/12/snowflake_primary.png?w=800)

It’s the holiday season, and what better way to celebrate than to carve out some generative snowflakes on your laser cutter? [Bleeptrack] has developed a web-based tool that creates generative […read more](https://hackaday.com/2022/12/12/laser-cutting-a-flurry-of-generative-snowflakes ... ⌘ [Read more](https://hackaday.com/2022/12/12/laser-cutting-a-flurry-of-generative-snowflakes/)
2022-12-12T18:00:40Z	**Students Rebel Against Heat-Sensing Crotch Monitor Surveillance Devices**
![](https://hackaday.com/wp-content/uploads/2020/11/IoTLogging.jpg?w=800)

Surveillance has become a ubiquitous part of modern life. Public spaces are dotted with CCTV cameras inside and out. Recent years have seen the technology spread to the suburbs with […read more](https://hackaday.com/2022/12/12/students-rebel-against-heat-sensing-crotch-monitor-surveillance-devices/) ⌘ [Read more](https://hackaday.com/2022/12/12/students-rebel-against-heat-sensing-crotch-monitor-surveillance-devices/)
2022-12-12T19:00:12Z	**Battery Engineering Hack Chat**
![](https://hackaday.com/wp-content/uploads/2022/12/AdobeStock_459510771.jpeg?w=800)

Join us on Wednesday, December 14 at noon Pacific for the Battery Engineering Hack Chat with Dave Sopchak! Of all the things driving technology forward, you’d have to say that […read more](https://hackaday.com/2022/12/12/battery-engineering-hack-chat/) ⌘ [Read more](https://hackaday.com/2022/12/12/battery-engineering-hack-chat/)
2022-12-12T21:00:36Z	**ESP32 Projects from Northwestern University’s Embedded Electronics Class**
![A grid of 5 3D Printed projects with ESP-32 microcontroller boards](https://hackaday.com/wp-content/uploads/2022/12/NorthwesternEmbeddedClass-Featured.jpg?w=800)

Northwestern University’s Embedded Electronics Class delivered a bumper crop of ESP-32 projects this year. The student teams recorded their progress on hackaday.io with project descriptions, logs, BOMs, diagrams, photos, and […rea ... ⌘ [Read more](https://hackaday.com/2022/12/12/esp32-projects-from-northwestern-universitys-embedded-electronics-class/)
2022-12-13T00:00:00Z	**Serial Cistercian Digit Module**
![Exploded version of the Cistercian display](https://hackaday.com/wp-content/uploads/2022/12/Cistercian-Display-Explode.png?w=800)

There’s no doubt that the 7-segment display is a gold standard for displaying lighted digits. But what about a throwback to an older system of displaying numbers — Cistercian? With […read more](https://hackaday.com/2022/12/12/serial-cistercian-digit-module/) ⌘ [Read more](https://hackaday.com/2022/12/12/serial-cistercian-digit-module/)
2022-12-13T03:00:07Z	**Travel Uke from a Fallen Tree**
![A walnut ukulele with an aluminum piece routing strings at it's base which is facing the camera. The neck of the instrument extends away from the viewer and is held at an angle by a hand with striped sheets in the background.](https://hackaday.com/wp-content/uploads/2022/12/Travel-Uke.jpg?w=800)

When faced with what to build from the trimmings of the walnut tree in her yard, [Amy Quian] decided to build a headless travel ukulele. [via MAKE:] Headless instruments relocate [ ... ⌘ [Read more](https://hackaday.com/2022/12/12/travel-uke-from-a-fallen-tree/)
2022-12-13T06:00:22Z	**Interesting Optical Journey Results in Hybrid Viewfinder for Smartphones**
![](https://hackaday.com/wp-content/uploads/2022/12/viewfinder_finished.jpg?w=800)

Fair warning: if you ever thought there was nothing particularly interesting with optical viewfinders, prepare to have your misconception corrected by [volzo] with this deep-dive into camera-aiming aids that leads […read more](https://hackaday.com/2022/12/12/interesting-optical-journey-results-in-hybrid-viewf ... ⌘ [Read more](https://hackaday.com/2022/12/12/interesting-optical-journey-results-in-hybrid-viewfinder-for-smartphones/)
2022-12-13T09:00:56Z	**A Concealed Model Railway Rises To The Occasion**
![](https://hackaday.com/wp-content/uploads/2022/12/n-gauge-layout-featured.jpg?w=800)

Occasional pieces of furniture serve little purpose other than to fill a space and maybe display a prized ornament or two. Who hasn’t got a relative with one two many […read more](https://hackaday.com/2022/12/13/a-concealed-model-railway-rises-to-the-occasion/) ⌘ [Read more](https://hackaday.com/2022/12/13/a-concealed-model-railway-rises-to-the-occasion/)
2022-12-13T12:00:22Z	**Roll Your Own WiFi Driver For the Pico W**
![](https://hackaday.com/wp-content/uploads/2022/12/picopi_wifi.jpg?w=594)

The Raspberry Pi Pico is a handy little microcontroller that has become a widespread addition to many hackers’ workbench. The Pico W has a CYW4342W module (just like the Pi […read more](https://hackaday.com/2022/12/13/roll-your-own-wifi-driver-for-the-pico-w/) ⌘ [Read more](https://hackaday.com/2022/12/13/roll-your-own-wifi-driver-for-the-pico-w/)
2022-12-13T15:00:12Z	**All About USB-C: Cable Types**
![](https://hackaday.com/wp-content/uploads/2020/06/USBC.jpg?w=800)

USB-C cables and connectors: these are controversial topics, and rightfully so – I don’t want to pull any punches. I will also show you that things don’t have to be […read more](https://hackaday.com/2022/12/13/usb-c-cable-types/) ⌘ [Read more](https://hackaday.com/2022/12/13/usb-c-cable-types/)
2022-12-13T16:30:46Z	**This Gun Should Be Banned During The Month Of December**
![](https://hackaday.com/wp-content/uploads/2022/12/wham-gun-featured.jpg?w=800)

Do you play Whamageddon? It’s a pastime for the month of December, something like the Game, in which you lose when you are exposed to the 1984 Wham! Christmas classic, […read more](https://hackaday.com/2022/12/13/this-gun-should-be-banned-during-the-month-of-december/) ⌘ [Read more](https://hackaday.com/2022/12/13/this-gun-should-be-banned-during-the-month-of-december/)
2022-12-13T18:00:00Z	**Hyundai To Lead US Market For Hydrogen Fuel Cell Trucks**
![](https://hackaday.com/wp-content/uploads/2022/12/18wheels_h2.png?w=800)

Hydrogen has long been touted as a potential fuel of the future. While it’s failed to catch on in cars as batteries have taken a strong lead, it still holds […read more](https://hackaday.com/2022/12/13/hyundai-to-lead-us-market-for-hydrogen-fuel-cell-trucks/) ⌘ [Read more](https://hackaday.com/2022/12/13/hyundai-to-lead-us-market-for-hydrogen-fuel-cell-trucks/)
2022-12-13T19:00:58Z	**Push ESP32 Over The Air Updates From GitHub**
![](https://hackaday.com/wp-content/uploads/2017/03/esp32-technical-tutorials-esp32-and-pulse-width-modulation-rare-wi_y0amkv-shot0001_featured.png?w=800)

Let’s say you’re working on an ESP32 project to send off to your grandma; something she can just plug in and it will start automatically monitoring her plant’s water levels. […read more](https://hackaday.com/2022/12/13/push-esp32-over-the-air-updates-from-github/) ⌘ [Read more](https://hackaday.com/2022/12/13/push-esp32-over-the-air-updates-from-github/)
2022-12-13T21:00:30Z	**Building a Lamp To Help With Seasonal Depression**
![](https://hackaday.com/wp-content/uploads/2022/12/F2B3CRLLBKT2XWY-1-2-e1670922826889.png?w=800)

The sun plays a big biological role in our lives, regulating our circadian rhythms and doing a whole bunch more as well. Some people find the reduced sunlight of the […read more](https://hackaday.com/2022/12/13/building-a-lamp-to-help-with-seasonal-depression/) ⌘ [Read more](https://hackaday.com/2022/12/13/building-a-lamp-to-help-with-seasonal-depression/)
2022-12-14T00:00:52Z	**VHS-Decode Project Could Help Archival Efforts**
![](https://hackaday.com/wp-content/uploads/2022/12/DdD-EBU-Colour-Bar-PAL-VHS-SP.png?w=800)

Archiving data from old storage media can be a highly complex process. It can be as simple as putting a disk in an old drive and reading out the contents. […read more](https://hackaday.com/2022/12/13/vhs-decode-project-could-help-archival-efforts/) ⌘ [Read more](https://hackaday.com/2022/12/13/vhs-decode-project-could-help-archival-efforts/)
2022-12-14T03:00:15Z	**After 40 Years, Adobe Releases PostScript Source v0.10 for Posterity**
![](https://hackaday.com/wp-content/uploads/2022/12/Adobe-secret-solution-1.png?w=764)

Celebrating their 40th anniversary, Adobe released the source code of PostScript v0.10 to the Computer History Museum. But before you ask, we tried and it won’t compile with GCC out […read more](https://hackaday.com/2022/12/13/after-40-years-adobe-releases-postscript-source-v0-10-for-posterity/) ⌘ [Read more](https://hackaday.com/2022/12/13/after-40-years-adobe-releases-postscript-source-v0-10-for-posterity/)
2022-12-14T06:00:40Z	**Open World 3D Game Runs On The RP2040 Microcontroller**
![](https://hackaday.com/wp-content/uploads/2022/12/Open-World-3D-Game-Engine-on-a-Raspberry-Pi-RP2040-Microcontroller-Pimoroni-PicoSystem-0-27-screenshot.png?w=800)

The Raspberry Pi RP2040 is versatile and cheap, but it’s by no means known as the most powerful microcontroller on the world. Regardless, it is capable of great things, as […read more](https://hackaday.com/2022/12/13/open-world-3d-game-runs-on-the-rp2040-microcontr ... ⌘ [Read more](https://hackaday.com/2022/12/13/open-world-3d-game-runs-on-the-rp2040-microcontroller/)
2022-12-14T09:00:29Z	**Resurrecting PONG, One Jumper Wire At A Time**
![](https://hackaday.com/wp-content/uploads/2022/12/coleco-pong-featured.jpg?w=800)

Between 1976 and 1978, over one million Coleco Telstar video game consoles were sold. The Killer App that made them so desirable? PONG. Yep, those two paddles bouncing a ball […read more](https://hackaday.com/2022/12/14/resurrecting-pong-one-jumper-wire-at-a-time/) ⌘ [Read more](https://hackaday.com/2022/12/14/resurrecting-pong-one-jumper-wire-at-a-time/)
2022-12-14T12:00:26Z	**HUD-Like Clock is a Transparent Time Display**
![](https://hackaday.com/wp-content/uploads/2022/12/FTM3LCELAZDG23F-e1670914242709.jpg?w=800)

While we have all types of displays these days, there’s something special about those that appear to float in the air. This HUD clock from [Kiwi Bushwalker] is one such […read more](https://hackaday.com/2022/12/14/hud-like-clock-is-a-transparent-time-display/) ⌘ [Read more](https://hackaday.com/2022/12/14/hud-like-clock-is-a-transparent-time-display/)
2022-12-14T15:00:41Z	**The Story Behind the TVGuardian Curse Catcher**
![](https://hackaday.com/wp-content/uploads/2022/12/Foul.jpg?w=800)

The recent flurry of videos and posts about the TVGuardian foul language filter brought back some fond memories. I was the chief engineer on this project for most of its […read more](https://hackaday.com/2022/12/14/the-story-behind-the-tvguardian-curse-catcher/) ⌘ [Read more](https://hackaday.com/2022/12/14/the-story-behind-the-tvguardian-curse-catcher/)
2022-12-14T16:30:10Z	**Massive Mouse Game Mimics Classic Software Crashes**
![A huge cardboard computer with an equally huge mouse](https://hackaday.com/wp-content/uploads/2022/12/Office-Job-mouse.jpg?w=800)

Computer mice come in all kinds of shapes and sizes, but are typically designed to fit in the palm of your hand. While some users with large hands may find […read more](https://hackaday.com/2022/12/14/massive-mouse-game-mimics-classic-software-crashes/) ⌘ [Read more](https://hackaday.com/2022/12/14/massive-mouse-game-mimics-classic-software-crashes/)
2022-12-14T18:00:00Z	**Self-Assembling Virus Model is 3D Printed**
![](https://hackaday.com/wp-content/uploads/2022/12/3wtzTRh.jpg?w=800)

Sometimes a visual or tactile learning aid can make all the difference to elucidating a concept to an audience. In the case viruses and their methods of self-assembly, [AtomicVirology] made […read more](https://hackaday.com/2022/12/14/self-assembling-virus-model-is-3d-printed/) ⌘ [Read more](https://hackaday.com/2022/12/14/self-assembling-virus-model-is-3d-printed/)
2022-12-14T19:30:00Z	**Magnet Clock Makes Field Lines Visible**
![A clock based on magnetic viewing film](https://hackaday.com/wp-content/uploads/2022/12/Magnetic-viewing-clock.jpg?w=800)

The traditional method for visualizing magnetic fields, which your science teacher probably demonstrated at some point, is to sprinkle some iron filings onto a piece of paper and hold it […read more](https://hackaday.com/2022/12/14/magnet-clock-makes-field-lines-visible/) ⌘ [Read more](https://hackaday.com/2022/12/14/magnet-clock-makes-field-lines-visible/)
2022-12-14T21:00:16Z	**Nanoaetherphone Is a Special MIDI Controller**
![](https://hackaday.com/wp-content/uploads/2022/12/na2.2-e1670919010659.png?w=800)

MIDI controllers can be simple straightforward keyboards, or wild magical devices that seem to snatch notes from the very aether itself. As you might expect from the name, the Nanoaetherphone […read more](https://hackaday.com/2022/12/14/nanoaetherphone-is-a-special-midi-controller/) ⌘ [Read more](https://hackaday.com/2022/12/14/nanoaetherphone-is-a-special-midi-controller/)
2022-12-15T00:00:08Z	**Omniwhegs are Awesome Times Two**
![](https://hackaday.com/wp-content/uploads/2022/12/omniwheg-an-omnidirectional-wheel-leg-transformable-robot-pcahxhy-seq-webm-shot0002_featured.png?w=800)

What’s the strangest wheel? The omniwheel. Unless you could whegs – “wheel legs” – as wheels. They’re pretty esoteric, but have their What happens when you mash up the two […read more](https://hackaday.com/2022/12/14/omniwhegs-are-awesome-times-two/) ⌘ [Read more](https://hackaday.com/2022/12/14/omniwhegs-are-awesome-times-two/)
2022-12-15T03:00:59Z	**How The Turntable Paradox Works**
![](https://hackaday.com/wp-content/uploads/2022/12/The-Turntable-Paradox-0-44-screenshot.png?w=800)

Leave most objects on top of a turntable, and set it spinning, and they’ll fly off in short order. Do the same with a ball, though, and it somehow manages […read more](https://hackaday.com/2022/12/14/how-the-turntable-paradox-works/) ⌘ [Read more](https://hackaday.com/2022/12/14/how-the-turntable-paradox-works/)
2022-12-15T06:00:55Z	**Dumping Game Boy Cartridges Via The Link Cable Port**
![](https://hackaday.com/wp-content/uploads/2022/12/Dumping-GameBoy-Cartridges-The-INTERESTING-Way-1-26-32-screenshot-e1670997026995.png?w=800)

When it comes to vintage consoles like the Game Boy, it’s often nice to be able to dump cartridge ROMs for posterity, for archival, and for emulation. To that end, […read more](https://hackaday.com/2022/12/14/dumping-game-boy-cartridges-via-the-link-cable-port/) ⌘ [Read more](https://hackaday.com/2022/12/14/dumping-game-boy-cartridges-via-the-link-cable-port/)
2022-12-15T09:00:36Z	**Giving Your Pets A Digital Squeak**
![](https://hackaday.com/wp-content/uploads/2022/12/squeak_module_long.png?w=800)

A pet tracker has a particularly grueling set of requirements: small, light, rugged, incredibly long battery life, safe for the pet, and cheap. [Mihai Cuciuc] was looking at the options […read more](https://hackaday.com/2022/12/15/giving-your-pets-a-digital-squeak/) ⌘ [Read more](https://hackaday.com/2022/12/15/giving-your-pets-a-digital-squeak/)
2022-12-15T12:00:10Z	**Virtual Yule Log Brings Old Tradition To The Web**
![](https://hackaday.com/wp-content/uploads/2022/12/yulelog_feat.jpg?w=800)

Yule Log broadcasts are a bit of an American tradition, though similar content has also been broadcast around the world. They consist of a video of a log burning in […read more](https://hackaday.com/2022/12/15/virtual-yule-log-brings-old-tradition-to-the-web/) ⌘ [Read more](https://hackaday.com/2022/12/15/virtual-yule-log-brings-old-tradition-to-the-web/)
2022-12-15T15:00:01Z	**Australia’s Soft Plastic Recycling Debacle**
![](https://hackaday.com/wp-content/uploads/2022/12/1024px-Plastic_bottles_for_recycling_featured.png?w=800)

We’ve all been told to cut back on waste to help prevent environmental crisis on Earth. Reducing waste helps reduce the need to spend time and energy digging up fresh […read more](https://hackaday.com/2022/12/15/australias-soft-plastic-recycling-debacle/) ⌘ [Read more](https://hackaday.com/2022/12/15/australias-soft-plastic-recycling-debacle/)
2022-12-15T16:30:34Z	**Sonos Speakers Free to Sing Again**
![](https://hackaday.com/wp-content/uploads/2022/12/sonos-feature.png?w=800)

Over at the EEVBlog, [Dave Jones] takes a second look at the Sonos Play 5 Gen 1 that he rescued from the dumpster recently. Despite being solidly built, [Dave] discovered […read more](https://hackaday.com/2022/12/15/sonos-speakers-free-to-sing-again/) ⌘ [Read more](https://hackaday.com/2022/12/15/sonos-speakers-free-to-sing-again/)
2022-12-15T18:00:51Z	**Supercon 2022: Sam Mulvey Shows You How To FM Radio**
![](https://hackaday.com/wp-content/uploads/2022/12/Sam_Mulvey_featured-1.png?w=800)

Sam Mulvey built his own radio station in Tacoma, WA. Is there a better way to meld ham radio practice with a colossal number of DIY electrical and computer projects? […read more](https://hackaday.com/2022/12/15/supercon-2022-sam-mulvey-shows-you-how-to-fm-radio/) ⌘ [Read more](https://hackaday.com/2022/12/15/supercon-2022-sam-mulvey-shows-you-how-to-fm-radio/)
2022-12-15T19:30:00Z	**3D Printed Gadgets Make Lab Work Easier**
![](https://hackaday.com/wp-content/uploads/2022/12/img_20220201_101024120-1-e1670918023422.webp?w=800)

If you’ve worked in a bio or chem lab, you’ve probably found yourself handling all manner of plastic. Test tubes, fixtures, clamps — there’s a cavalcade of this stuff that […read more](https://hackaday.com/2022/12/15/3d-printed-gadgets-make-lab-work-easier/) ⌘ [Read more](https://hackaday.com/2022/12/15/3d-printed-gadgets-make-lab-work-easier/)
2022-12-15T21:00:12Z	**Top Up Your Teapot in Time With This E-ink Tea Timer**
![A 3D-printed teapot with an e-ink display](https://hackaday.com/wp-content/uploads/2022/12/E-ink-Tea-Timer.jpg?w=800)

Whether you’re a tea aficionado or just a casual drinker, it’s important to pay attention to your brewing times: too short and you’re just drinking hot water, too long and […read more](https://hackaday.com/2022/12/15/top-up-your-teapot-in-time-with-this-e-ink-tea-timer/) ⌘ [Read more](https://hackaday.com/2022/12/15/top-up-your-teapot-in-time-with-this-e-ink-tea-timer/)
2022-12-16T00:00:40Z	**Building a Chain Drive Differential From Junkyard Parts**
![](https://hackaday.com/wp-content/uploads/2022/12/Making-Chain-Drive-Differential-15-3-screenshot.png?w=800)

A differential is a very useful thing for a vehicle. It allows two driven wheels to rotate at different speeds, such as when going around a corner. [Workshop From Scratch] […read more](https://hackaday.com/2022/12/15/building-a-chain-drive-differential-from-junkyard-parts/) ⌘ [Read more](https://hackaday.com/2022/12/15/building-a-chain-drive-differential-from-junkyard-parts/)
2022-12-16T03:00:40Z	**Retrotechtacular: A 1960s Look at the 21st Century Home**
![](https://hackaday.com/wp-content/uploads/2022/12/640x480-vtime12_16-take2022-12-14-17.25.18.png?w=640)

If you only watch the first 60 seconds of 1967’s “At Home, 2001,” you’ll be forgiven for thinking that the film is riddled with missed predictions. And to be sure, […read more](https://hackaday.com/2022/12/15/retrotechtacular-a-1960s-look-at-the-21st-century-home/) ⌘ [Read more](https://hackaday.com/2022/12/15/retrotechtacular-a-1960s-look-at-the-21st-century-home/)
2022-12-16T06:00:06Z	**A Kid’s Toy Guitar Turned Into An Electric Ukulele**
![closeup of an electric ukulele conversion of a toy guitar, showing the four strings and the pickups mounted inside the sound hole](https://hackaday.com/wp-content/uploads/2022/12/electric-uke.png?w=800)

With the holiday season fast approaching, there’s a good chance that some well-meaning friend or relative might buy a toy musical instrument for your children, safe in the knowledge that […read more](https://hackaday.com/2022/12/15/a ... ⌘ [Read more](https://hackaday.com/2022/12/15/a-kids-toy-guitar-turned-into-an-electric-ukulele/)
2022-12-16T09:00:26Z	**Two-Thirds Keyboard Is Inspired By The Typesetting Era**
![](https://hackaday.com/wp-content/uploads/2022/12/The-Two-Thirds-Keyboard-The-worst-keyboard-in-the-world_-18-5-screenshot.png?w=800)

We see all kinds of custom keyboard builds around here. Most of them are intended to optimize typing to the user’s desires. This glorious build from [Attoparsec] isn’t one of […read more](https://hackaday.com/2022/12/16/two-thirds-keyboard-is-inspired-by-the-typesetting-era/) ⌘ [Read more](https://hackaday.com/2022/12/16/two-thirds-keyboard-is-inspired-by-the-typesetting-era/)
2022-12-16T12:00:37Z	**Mazda Patents Spinning Dorito to Extend EV Range**
![](https://hackaday.com/wp-content/uploads/2022/12/wankel.png?w=800)

OK, so a Wankel engine doesn’t really use a Dorito as its cylinders, but it sure looks like one. The company has announced it will offer a range extender rotary […read more](https://hackaday.com/2022/12/16/mazda-patents-spinning-dorito-to-extend-ev-range/) ⌘ [Read more](https://hackaday.com/2022/12/16/mazda-patents-spinning-dorito-to-extend-ev-range/)
2022-12-16T15:00:33Z	**This Week In Security: Scamming the FBI, In The Wild, and AI Security**
![](https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800)

If you’re part of a government alphabet agency, particularly running a program to share information to fight cybercrime, make sure to properly verify the identity of new members before admission. […read more](https://hackaday.com/2022/12/16/this-week-in-security-scamming-the-fbi-in-the-wild-and-ai-security/) ⌘ [Read more](https://hackaday.com/2022/12/16/this-week-in-security-scamming-the-fbi-in-the-wild-and-ai-security/)
2022-12-16T16:00:00Z	**Motion-Activated Clock Only Lights Up On Command**
![](https://hackaday.com/wp-content/uploads/2022/12/FrontTimeS-e1670991828212.png?w=800)

While some of us can fall asleep anywhere from a noisy auditorium to a brightly lit train station, others are more fussy, requiring quiet and dark to nod off. [Craig […read more](https://hackaday.com/2022/12/16/motion-activated-clock-only-lights-up-on-command/) ⌘ [Read more](https://hackaday.com/2022/12/16/motion-activated-clock-only-lights-up-on-command/)
2022-12-16T17:00:07Z	**Hackaday Podcast 197: Decoding VHS, Engineering the TV Guardian, and Gitting Code Into Your ESP32s**
![](https://hackaday.com/wp-content/uploads/2016/05/microphone.jpg?w=800)

This week, Editor-in-Chief Elliot Williams and Assignments Editor Kristina Panos delighted in the aural qualities of Kristina’s brand new, real (read: XLR) microphone before embarking on creating a podcast highlighting […read more](https://hackaday.com/2022/12/16/hackad ... ⌘ [Read more](https://hackaday.com/2022/12/16/hackaday-podcast-197-decoding-vhs-engineering-the-tv-guardian-and-gitting-code-into-your-esp32s/)
2022-12-16T18:00:32Z	**Battery Engineering Hack Chat Gets Charged Up**
![](https://hackaday.com/wp-content/uploads/2022/12/AdobeStock_459510771.jpeg?w=800)

Turn the clock back a couple of decades, and the only time the average person would have given much thought to batteries was when the power would go out, and […read more](https://hackaday.com/2022/12/16/battery-engineering-hack-chat-gets-charged-up/) ⌘ [Read more](https://hackaday.com/2022/12/16/battery-engineering-hack-chat-gets-charged-up/)
2022-12-16T19:30:13Z	**Footpedal Ups Vim Productivity, Brings Ergonomic Benefits**
![](https://hackaday.com/wp-content/uploads/2022/12/finished-outside-e1670992799294.jpeg?w=800)

Vim is the greatest or the worst text editor of all time, depending on the tribe you’re in. Either way, members of both camps can appreciate this build from [Chris […read more](https://hackaday.com/2022/12/16/footpedal-ups-vim-productivity-brings-ergonomic-benefits/) ⌘ [Read more](https://hackaday.com/2022/12/16/footpedal-ups-vim-productivity-brings-ergonomic-benefits/)
2022-12-16T21:00:21Z	**A Simple High-Fidelity DIY Mic Pre Amp**
![](https://hackaday.com/wp-content/uploads/2022/12/thatmicpre_v10_frontback_small-e1670996047781.jpg?w=800)

If you’re doing any serious work with microphones, you’ll typically find yourself in want of a dedicated preamp. [ojg] needed just such a thing for acoustic measurement duties, and set […read more](https://hackaday.com/2022/12/16/a-simple-high-fidelity-diy-mic-pre-amp/) ⌘ [Read more](https://hackaday.com/2022/12/16/a-simple-high-fidelity-diy-mic-pre-amp/)
2022-12-17T00:00:23Z	**Antenna Mount Designed For On-The-Go SDR**
![](https://hackaday.com/wp-content/uploads/2022/12/antenna-mount-main.jpg?w=634)

Software-defined radio is all the rage these days, and for good reason. It eliminates or drastically reduces the amount of otherwise pricey equipment needed to transmit or even just receive, […read more](https://hackaday.com/2022/12/16/antenna-mount-designed-for-on-the-go-sdr/) ⌘ [Read more](https://hackaday.com/2022/12/16/antenna-mount-designed-for-on-the-go-sdr/)
2022-12-17T03:00:42Z	**What Happens when Implants Become Abandonware?**
![A scan (x-ray?) of a human skull. Electrodes trace around the skull and are attached to the brain. These implants are for reducing Parkinson's tremors.](https://hackaday.com/wp-content/uploads/2022/12/Electrode.jpg?w=800)

You’ve probably had a company not support one of your devices as long as you’d like, whether it was a smart speaker or a phone, but what happens if you […read more](https://hackaday.com/2022/12/16/what-happens-when-implant ... ⌘ [Read more](https://hackaday.com/2022/12/16/what-happens-when-implants-become-abandonware/)
2022-12-17T06:00:11Z	**Kids’ Jukebox Based on Arduino with RFID**
![](https://hackaday.com/wp-content/uploads/2022/12/arduino-mp3-main.jpg?w=800)

Consumer electronics aimed at young children tend to be quite janky and cheap-looking, and they often have to be to survive the extreme stress-testing normal use in this situation. You […read more](https://hackaday.com/2022/12/16/kids-jukebox-based-on-arduino-with-rfid/) ⌘ [Read more](https://hackaday.com/2022/12/16/kids-jukebox-based-on-arduino-with-rfid/)
2022-12-17T09:00:59Z	**Differential Swerve Drive Is Highly Maneuverable**
![](https://hackaday.com/wp-content/uploads/2022/12/Differential-Swerve-Drive-3-11-screenshot.png?w=800)

There are a variety of wheel designs out there that can provide for rotation and translation in various directions. The differential swerve drive, though, as demonstrated by [WildWillyRobots], uses regular […read more](https://hackaday.com/2022/12/17/differential-swerve-drive-is-highly-maneuverable/) ⌘ [Read more](https://hackaday.com/2022/12/17/differential-swerve-drive-is-highly-maneuverable/)
2022-12-17T12:00:54Z	**Say the Magic Word, and the TinySA Goes Ultra**
![](https://hackaday.com/wp-content/uploads/2022/12/ultra.png?w=800)

We’ve looked at the TinySA spectrum analyzer in the past. However, the recent Ultra edition offers an increase in range from 800 MHz to 6 GHz. How does it work? […read more](https://hackaday.com/2022/12/17/say-the-magic-word-and-the-tinysa-goes-ultra/) ⌘ [Read more](https://hackaday.com/2022/12/17/say-the-magic-word-and-the-tinysa-goes-ultra/)
2022-12-17T15:00:24Z	**Yesterday’s Future is Brighter Today**
![](https://hackaday.com/wp-content/uploads/2022/12/elysium-state-by-stardust-final-version-eeov-ocil58-mp4-shot0001_featured.png?w=800)

The demoscene never ceases to amaze. Back in the mid-80s, people wouldn’t just hack software to remove the copy restrictions, but would go the extra mile and add some fun […read more](https://hackaday.com/2022/12/17/yesterdays-future-is-brighter-today/) ⌘ [Read more](https://hackaday.com/2022/12/17/yesterdays-future-is-brighter-today/)
2022-12-17T18:00:15Z	**DIY Square Guitar Is Anything But**
![](https://hackaday.com/wp-content/uploads/2022/12/diddley-800.png?w=640)

One of the greatest things about this place is how y’all constantly feed off of each other. And while this isn’t exactly an example of that, it’s pretty darn close […read more](https://hackaday.com/2022/12/17/diy-square-guitar-is-anything-but/) ⌘ [Read more](https://hackaday.com/2022/12/17/diy-square-guitar-is-anything-but/)
2022-12-17T21:00:41Z	**Citizen-Driven Network Monitors Public Service Radio for Natural Disaster Alerts**
![](https://hackaday.com/wp-content/uploads/2022/12/IMG_9153.png?w=800)

Time is of the essence in almost every emergency situation, especially when it comes to wildfires. A wind-driven fire can roar across a fuel-rich landscape like a freight train, except […read more](https://hackaday.com/2022/12/17/citizen-driven-network-monitors-public-service-radio-for-natural-disaster-a ... ⌘ [Read more](https://hackaday.com/2022/12/17/citizen-driven-network-monitors-public-service-radio-for-natural-disaster-alerts/)
2022-12-18T00:00:51Z	**Printed Film Camera Gets 10 Seconds out of a 35mm Roll**
![](https://hackaday.com/wp-content/uploads/2022/12/3dp-movie-featured.jpg?w=800)

When the British budget electronics brand Amstrad released their first budget VHS camcorder in the mid 1980s, they advertised it as making a filmmaker out of everyone. Now everyone truly […read more](https://hackaday.com/2022/12/17/printed-film-camera-gets-10-seconds-out-of-a-35mm-roll/) ⌘ [Read more](https://hackaday.com/2022/12/17/printed-film-camera-gets-10-seconds-out-of-a-35mm-roll/)
2022-12-18T03:00:41Z	**BBC Micro:Bit as Handheld Synthesizer**
![](https://hackaday.com/wp-content/uploads/2022/12/microsynth_feat.jpg?w=800)

The BBC Micro:bit, while not quite as popular in our community as other microcontroller development boards, has a few quirks that can make it a much more interesting piece of […read more](https://hackaday.com/2022/12/17/bbc-microbit-as-handheld-synthesizer/) ⌘ [Read more](https://hackaday.com/2022/12/17/bbc-microbit-as-handheld-synthesizer/)
2022-12-18T06:00:00Z	**A Binaural Microphone For The Great Outdoors**
![](https://hackaday.com/wp-content/uploads/2022/12/binaural-microphone-featured.jpg?w=800)

A binaural recording is designed to mimic as closely as possible the experience of listening through human ears, and thus binaural microphones are often shaped like the human head with […read more](https://hackaday.com/2022/12/17/a-binaural-microphone-for-the-great-outdoors/) ⌘ [Read more](https://hackaday.com/2022/12/17/a-binaural-microphone-for-the-great-outdoors/)
2022-12-18T09:00:43Z	**Robot Dog has Animal Magnetism**
![](https://hackaday.com/wp-content/uploads/2022/12/magbot.png?w=800)

Robot “dogs” are all the rage lately, but you probably haven’t seen one that can climb up a wall. Researchers in Korea have made one that can, assuming the wall […read more](https://hackaday.com/2022/12/18/robot-dog-has-animal-magnetism/) ⌘ [Read more](https://hackaday.com/2022/12/18/robot-dog-has-animal-magnetism/)
2022-12-18T12:00:58Z	**What’s Inside a Super-Cheap Projector? Not a Lot!**
![](https://hackaday.com/wp-content/uploads/2022/12/yt200_w.png?w=768)

[Raymond Ma] has a penchant for browsing Aliexpress and purchasing curious pieces of hardware that are as high on promises as they are low on cost. This is a process […read more](https://hackaday.com/2022/12/18/whats-inside-a-super-cheap-projector-not-a-lot/) ⌘ [Read more](https://hackaday.com/2022/12/18/whats-inside-a-super-cheap-projector-not-a-lot/)
2022-12-18T15:00:51Z	**A Transistor? Memory? Wait, It’s Both!**
![](https://hackaday.com/wp-content/uploads/2022/12/fet.png?w=800)

What do you get if you cross graphene, hexagonal boron nitride, and tungsten diselenide? Well, according to researchers at Hunan University, you get a field effect transistor that can act […read more](https://hackaday.com/2022/12/18/a-transistor-memory-wait-its-both/) ⌘ [Read more](https://hackaday.com/2022/12/18/a-transistor-memory-wait-its-both/)
2022-12-18T18:00:44Z	**Antweight Combat Robot Tips, Shared From Experience**
![](https://hackaday.com/wp-content/uploads/2022/12/IMG_20221023_180757.jpg?w=800)

[Harry]’s newest robot, the MotherLoader V2, looks fantastic but was ultimately more of a learning experience and test bed for some experimental features. Luckily for us, [Harry] created a lengthy […read more](https://hackaday.com/2022/12/18/antweight-combat-robot-tips-shared-from-experience/) ⌘ [Read more](https://hackaday.com/2022/12/18/antweight-combat-robot-tips-shared-from-experience/)
2022-12-18T21:00:27Z	**Medical Ultrasound Scanner Gives up its Secrets, Runs DOOM**
![The display of a medical ultrasound scanner showing "HackedScan II"](https://hackaday.com/wp-content/uploads/2022/12/Medical-Ultrasound-Scanner.png?w=800)

Medical equipment often makes for interesting teardown videos: the strict requirements imposed by certification bodies mean you’ll find good quality components and a high standard of design and manufacturing. But […read more](https://hackaday.com/2022/12/18/medical ... ⌘ [Read more](https://hackaday.com/2022/12/18/medical-ultrasound-scanner-gives-up-its-secrets-runs-doom/)
2022-12-19T00:00:08Z	**Hackaday Links: December 18, 2022**
![Hackaday Links Column Banner](https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800)

By now everyone has probably seen the devastation wrought by the structural failure of what was once the world’s largest free-standing cylindrical aquarium. The scale of the tank, which until […read more](https://hackaday.com/2022/12/18/hackaday-links-december-18-2022/) ⌘ [Read more](https://hackaday.com/2022/12/18/hackaday-links-december-18-2022/)
2022-12-19T03:00:41Z	**Image-Generating AI Can Texture An Entire 3D Scene In Blender**
![](https://hackaday.com/wp-content/uploads/2022/12/Projection-wide.png?w=800)

[Carson Katri] has a fantastic solution to easily add textures to 3D scenes in Blender: have an image-generating AI create the texture on demand, and do it for you. As […read more](https://hackaday.com/2022/12/18/image-generating-ai-can-texture-an-entire-3d-scene-in-blender/) ⌘ [Read more](https://hackaday.com/2022/12/18/image-generating-ai-can-texture-an-entire-3d-scene-in-blender/)
2022-12-19T06:00:27Z	**Solar Cell Fabric Makes Anything Solar**
![](https://hackaday.com/wp-content/uploads/2022/12/solar.png?w=800)

MIT has been working on very thin solar cells made of a film just a few microns thick. The problem? The cells are so thin that they’re hard to work […read more](https://hackaday.com/2022/12/18/solar-cell-fabric-makes-anything-solar/) ⌘ [Read more](https://hackaday.com/2022/12/18/solar-cell-fabric-makes-anything-solar/)
2022-12-19T09:00:16Z	**Z8000 Trump Card Needs Your Help**
![](https://hackaday.com/wp-content/uploads/2022/12/trump.png?w=800)

[Smbakeryt] needs your help. He bought a 1984-vintage Z8000 coprocessor card for the PC, but the software is missing in action. Apparently, the co-processor — called a Trump Card — […read more](https://hackaday.com/2022/12/19/z8000-trump-card-needs-your-help/) ⌘ [Read more](https://hackaday.com/2022/12/19/z8000-trump-card-needs-your-help/)
2022-12-19T12:00:00Z	**Mini Cheetah Clone Teardown, By None Other Than Original Designer**
![](https://hackaday.com/wp-content/uploads/2022/12/DSC03686.jpg?w=800)

[Ben Katz] designed the original MIT Mini Cheetah robot, which easily captured attention and imagination with its decidedly un-robotic movements and backflips. Not long after [Ben]’s masters thesis went online, […read more](https://hackaday.com/2022/12/19/mini-cheetah-clone-teardown-by-none-other-than-original-designer/) ⌘ [Read more](https://hackaday.com/2022/12/19/mini-cheetah-clone-teardown-by-none-other-than-original-designer/)
2022-12-19T15:00:29Z	**Damaged Soyuz May Leave Crew Without a Ride Home**
![](https://hackaday.com/wp-content/uploads/2022/12/soyuzleak_feat.jpg?w=800)

Though oddly beautiful in its own way, it’s a sight no astronaut wants to see: their spacecraft, the only way they have to return to Earth, ejecting countless iridescent droplets […read more](https://hackaday.com/2022/12/19/damaged-soyuz-may-leave-crew-without-a-ride-home/) ⌘ [Read more](https://hackaday.com/2022/12/19/damaged-soyuz-may-leave-crew-without-a-ride-home/)
2022-12-19T16:30:00Z	**35mm Film Restoration Process Explained**
![Closeup of a film restorer's hand holding a 35mm film print to check for defects as it goes into a film scanner](https://hackaday.com/wp-content/uploads/2022/12/How-a-100-Year-Old-Animated-Film-Is-Restored-7-19-screenshot.png?w=800)

For a large part of the 20th century, motion pictures were distributed on nitrate film. Although cheaper for the studios, this film was highly flammable and prone to decay. On […read more](https://hackaday.com/2022/12/19/35m ... ⌘ [Read more](https://hackaday.com/2022/12/19/35mm-film-restoration-process-explained/)
2022-12-19T18:00:36Z	**Laser Fusion Ignition: Putting Nuclear Fusion Breakthroughs Into Perspective**
![](https://hackaday.com/wp-content/uploads/2022/12/LaserFusion.jpg?w=800)

This month the media was abuzz with the announcement that the US National Ignition Facility (NIF) had accomplished a significant breakthrough in the quest to achieve commercial nuclear fusion. Specifically, […read more](https://hackaday.com/2022/12/19/laser-fusion-ignition-putting-nuclear-fusion-breakthroughs- ... ⌘ [Read more](https://hackaday.com/2022/12/19/laser-fusion-ignition-putting-nuclear-fusion-breakthroughs-into-perspective/)
2022-12-19T19:30:54Z	**It’s Ethernet, From An SPI Interface**
![](https://hackaday.com/wp-content/uploads/2022/12/spi-ethernet-featured.jpg?w=800)

Over the years as microcontrollers have become fast enough to do the heavy lifting, we have become used to 10 megabit Ethernet being bit-banged from interfaces it was never meant […read more](https://hackaday.com/2022/12/19/its-ethernet-from-an-spi-interface/) ⌘ [Read more](https://hackaday.com/2022/12/19/its-ethernet-from-an-spi-interface/)
2022-12-19T21:00:07Z	**Photography, The Stereo Way**
![](https://hackaday.com/wp-content/uploads/2022/12/3d-camera-main.png?w=800)

Most consumer-grade audio equipment has been in stereo since at least the 1960s, allowing the listener to experience sounds with a three-dimensional perspective as if they were present when the […read more](https://hackaday.com/2022/12/19/photography-the-stereo-way/) ⌘ [Read more](https://hackaday.com/2022/12/19/photography-the-stereo-way/)
2022-12-20T00:00:29Z	**IO Connected Radio Alarm Clock**
![Two hands holding a 3d printed alarm clock with an LCD display, snooze button and knob on top](https://hackaday.com/wp-content/uploads/2022/12/ioalarmclock.png?w=800)

[CoreWeaver] creates an alarm clock that includes features one might expect in such a project, including an FM radio, snooze button inputs and a display, but goes beyond the basic […read more](https://hackaday.com/2022/12/19/io-connected-radio-alarm-clock/) ⌘ [Read more](https://hackaday.com/2022/12/19/io-connected-radio-alarm-clock/)
2022-12-20T03:00:26Z	**Snail Mail Notifier’s Simple Power Management To Maximize Battery Life**
![](https://hackaday.com/wp-content/uploads/2022/12/frontdoor-1024x576-1.jpg?w=773)

There are no weird, specialized components nor esoteric sleep mode tricks behind the long battery life of [Zak]’s WiFi mail slot watcher. Just some sensible design and clever focus on […read more](https://hackaday.com/2022/12/19/snail-mail-notifiers-simple-power-management-to-maximize-battery-life/) ⌘ [Read more](https://hackaday.com/2022/12/19/snail-mail-notifiers-simple-power-management-to-maximize-battery-life/)
2022-12-20T06:00:44Z	**Mouse Whisperer Keeps You Working, Even When You Need a Break**
![](https://hackaday.com/wp-content/uploads/2022/12/mouse-whisperer.JPG.png?w=800)

When life hands you lemons, you make lemonade, right? What about when life hands you annoyingly intrusive work-from-home policies that require you to physically stay at your computer even though […read more](https://hackaday.com/2022/12/19/mouse-whisperer-keeps-you-working-even-when-you-need-a-break/) ⌘ [Read more](https://hackaday.com/2022/12/19/mouse-whisperer-keeps-you-working-even-when-you-need-a-break/)
2022-12-20T09:00:00Z	**See The ATARI GEM Desktop Running On A Portable Word Processor… Thing**
![](https://hackaday.com/wp-content/uploads/2022/12/Hjalfi-reverse-engineers-an-Alphasmart-Dana-laptop-thing_-13-finished-28-31-screenshot.png?w=800)

Get ready for vintage computing aplenty in [David Given]’s project to port EmuTOS to the AlphaSmart Dana. He’s got it all on video, too. All 38 hours of it over […read more](https://hackaday.com/2022/12/20/see-the-atari-gem-desktop-running-on-a-porta ... ⌘ [Read more](https://hackaday.com/2022/12/20/see-the-atari-gem-desktop-running-on-a-portable-word-processor-thing/)
2022-12-20T12:00:05Z	**The Physics Behind The Collapse Of a Huge Aquarium**
![](https://hackaday.com/wp-content/uploads/2022/12/aquadom-featured.jpg?w=800)

At the end of last week Aquadom, the world’s largest cylindrical aquarium, unexpectedly shattered and caused an emergency as it flooded both the Berlin hotel that housed it and the […read more](https://hackaday.com/2022/12/20/the-physics-behind-the-collapse-of-a-huge-aquarium/) ⌘ [Read more](https://hackaday.com/2022/12/20/the-physics-behind-the-collapse-of-a-huge-aquarium/)
2022-12-20T15:00:45Z	**A Love Letter To My Lost Amiga**
![](https://hackaday.com/wp-content/uploads/2022/12/Amiga.jpg?w=800)

My first love was a black wedge. It was 1982, and I had saved up to buy a Sinclair ZX81. That little computer remains the only one of the huge […read more](https://hackaday.com/2022/12/20/a-love-letter-to-my-lost-amiga/) ⌘ [Read more](https://hackaday.com/2022/12/20/a-love-letter-to-my-lost-amiga/)
2022-12-20T16:30:56Z	**Seriously, Don’t Buy This Mopping Robot**
![](https://hackaday.com/wp-content/uploads/2022/12/PXL_20220716_044847639-1.jpg?w=800)

The original Roomba robotic vacuum cleaner led to loads of clones and lookalikes over the years, and one of them is the ALEE mopping “robot”. [Raymond] tears it down and reveals […read more](https://hackaday.com/2022/12/20/seriously-dont-buy-this-mopping-robot/) ⌘ [Read more](https://hackaday.com/2022/12/20/seriously-dont-buy-this-mopping-robot/)
2022-12-20T18:00:37Z	**All About USB-C: Connector Mechanics**
![](https://hackaday.com/wp-content/uploads/2020/06/USBC.jpg?w=800)

There’s two cases when hackers have to think about USB-C connector mechanics. The first is when a USB-C connector physically breaks, and the second is when we need to put […read more](https://hackaday.com/2022/12/20/all-about-usb-c-connector-mechanics/) ⌘ [Read more](https://hackaday.com/2022/12/20/all-about-usb-c-connector-mechanics/)
2022-12-20T19:30:25Z	**Single Photon Detection with Photomultipliers**
![](https://hackaday.com/wp-content/uploads/2022/12/pmt.png?w=800)

Unless you are an audiophile, you likely think of tubes as mostly relegated to people who work on old technology. However, photomultiplier tubes are still useful compared to more modern […read more](https://hackaday.com/2022/12/20/single-photon-detection-with-photomultipliers/) ⌘ [Read more](https://hackaday.com/2022/12/20/single-photon-detection-with-photomultipliers/)
2022-12-20T21:00:04Z	**More Detail on That Fantastic Lego OLED Brick**
![](https://hackaday.com/wp-content/uploads/2022/12/1280x720-vtime12_24-take2022-12-19-17.27.32.png?w=800)

It’s always great when we get a chance to follow up on a previous project with more information, or further developments. So we’re happy that [“Ancient” James Brown] just dropped a […read more](https://hackaday.com/2022/12/20/more-detail-on-that-fantastic-lego-oled-brick/) ⌘ [Read more](https://hackaday.com/2022/12/20/more-detail-on-that-fantastic-lego-oled-brick/)
2022-12-21T00:00:33Z	**NTC Thermistor to ThingSpeak Meter Makes a Great IoT Starter Project**
![](https://hackaday.com/wp-content/uploads/2022/12/ESP_temperature_to_thingspeak.jpg?w=800)

There are a lot of IoT solutions and frameworks out there, and [Davide] demonstrates how to make a simple data logging and tracking application with his ESP8266-to-ThingSpeak project, which reads […read more](https://hackaday.com/2022/12/20/ntc-thermistor-to-thingspeak-meter-makes-a-great-iot-starter-projec ... ⌘ [Read more](https://hackaday.com/2022/12/20/ntc-thermistor-to-thingspeak-meter-makes-a-great-iot-starter-project/)
2022-12-21T03:00:40Z	**The Gallium Nitride Revolution**
![](https://hackaday.com/wp-content/uploads/2022/12/gan-featured.jpg?w=800)

[Asianometry] has been learning about gallium nitride semiconductors and shares what he knows in an informative video you can see below. This semiconductor material has a much higher bandgap voltage […read more](https://hackaday.com/2022/12/20/the-gallium-nitride-revolution/) ⌘ [Read more](https://hackaday.com/2022/12/20/the-gallium-nitride-revolution/)
2022-12-21T06:00:49Z	**The Coleman Z80 is a Modern Take on a 1970s Computer**
![A homebrew computer built inside plexiglass cases with lots of LEDs](https://hackaday.com/wp-content/uploads/2022/12/Coleman-Z80-Microcomputer.png?w=800)

[Joshua Coleman] likes to design his own computers. Sometimes, that means drawing up bus architectures,  memory maps and I/O port pinouts. Other times, he can focus his efforts more on […read more](https://hackaday.com/2022/12/20/the-coleman-z80-is-a-modern-take-on-a-1970s-com ... ⌘ [Read more](https://hackaday.com/2022/12/20/the-coleman-z80-is-a-modern-take-on-a-1970s-computer/)
2022-12-21T09:00:18Z	**Morphing Keyboard Gets You Dialed In Just Right**
![](https://hackaday.com/wp-content/uploads/2022/12/crazy-keyboard-800.jpg?w=800)

So you’re tired of rectangular, brick wall-staggered keyboards and want to go split and/or ergo. But how? Which style? What do? Here’s what you do: you build one of these […read more](https://hackaday.com/2022/12/21/morphing-keyboard-gets-you-dialed-in-just-right/) ⌘ [Read more](https://hackaday.com/2022/12/21/morphing-keyboard-gets-you-dialed-in-just-right/)
2022-12-21T12:00:59Z	**Arc Overhangs Make “Impossible” 3D Prints**
![](https://hackaday.com/wp-content/uploads/2022/12/arc.png?w=800)

An accidental discovery by [3DQue] allows overhangs on FDM printers that seem impossible at first glance. The key is to build the overhang area with concentric arcs. It also helps […read more](https://hackaday.com/2022/12/21/arc-overhangs-make-impossible-3d-prints/) ⌘ [Read more](https://hackaday.com/2022/12/21/arc-overhangs-make-impossible-3d-prints/)
2022-12-21T15:00:55Z	**Big Chemistry: Liquefied Natural Gas**
![](https://hackaday.com/wp-content/uploads/2022/12/LNG.jpg?w=800)

The topic of energy has been top-of-mind for us since the first of our ancestors came down out of the trees looking for something to eat that wouldn’t eat them. […read more](https://hackaday.com/2022/12/21/big-chemistry-liquefied-natural-gas/) ⌘ [Read more](https://hackaday.com/2022/12/21/big-chemistry-liquefied-natural-gas/)
2022-12-21T16:30:11Z	**Squeezing GIFs Into Even Tighter Spaces**
![](https://hackaday.com/wp-content/uploads/2022/12/tinygifdecoder.jpg?w=800)

Showing images on a TFT or OLED display with a small AVR microcontroller can be a challenge as it requires significant storage space. One solution is to compress the images, […read more](https://hackaday.com/2022/12/21/squeezing-gifs-into-even-tighter-spaces/) ⌘ [Read more](https://hackaday.com/2022/12/21/squeezing-gifs-into-even-tighter-spaces/)
2022-12-21T18:00:12Z	**Blood Pressure Monitoring, Courtesy of Cameras and AI**
![](https://hackaday.com/wp-content/uploads/2022/12/inventions-07-00084-g003.webp?w=800)

At the basic level, methods of blood pressure monitoring have slowly changed in the last few decades. While most types of sphygmomanometer still rely on a Velcro cuff placed around […read more](https://hackaday.com/2022/12/21/blood-pressure-monitoring-courtesy-of-cameras-and-ai/) ⌘ [Read more](https://hackaday.com/2022/12/21/blood-pressure-monitoring-courtesy-of-cameras-and-ai/)
2022-12-21T19:30:32Z	**2022 FPV Contest: The LOTP Robot Dog**
![](https://hackaday.com/wp-content/uploads/2022/12/From-Scrap-to-Existence_-LOTP-v2-Robot-Dog-Modular-Quadruped-Robot-Project-0-44-screenshot.png?w=800)

When you think of first person view (FPV) vehicles, aircraft might be what first comes to mind. However, [Limenitis Reducta] has brought a robot dog into the world, and plans […read more](https://hackaday.com/2022/12/21/2022-fpv-contest-the-lotp-robot-dog/) ⌘ [Read more](https://hackaday.com/2022/12/21/2022-fpv-contest-the-lotp-robot-dog/)
2022-12-21T21:00:28Z	**LED Christmas Lights Optimized For Max Twinkleage**
![](https://hackaday.com/wp-content/uploads/2022/12/TwinkleFOX-0-33-screenshot.png?w=800)

Old-school filament-based Christmas lights used to be available in twinkling form. LEDs, with their hard-on and hard-off nature, aren’t naturally predisposed to such behavior. To rectify this, some time ago, […read more](https://hackaday.com/2022/12/21/led-christmas-lights-optimized-for-max-twinkleage/) ⌘ [Read more](https://hackaday.com/2022/12/21/led-christmas-lights-optimized-for-max-twinkleage/)
2022-12-22T00:00:01Z	**Sliding Wrench Leaves a Little to be Desired**
![](https://hackaday.com/wp-content/uploads/2022/12/slide1.webp?w=800)

[Ben Conrad] received an interesting tool as a gift that purported to be a better mousetrap. It was a crescent wrench (made by the Crescent company, even) that didn’t have […read more](https://hackaday.com/2022/12/21/sliding-wrench-leaves-a-little-to-be-desired/) ⌘ [Read more](https://hackaday.com/2022/12/21/sliding-wrench-leaves-a-little-to-be-desired/)
2022-12-22T03:00:19Z	**Chumby Gets New Kernel… Soon**
![](https://hackaday.com/wp-content/uploads/2022/12/chum.png?w=800)

If you missed the Chumby, we’re sorry.  They were relatively inexpensive Linux appliances that acted as a clock, Internet radio, and feed reader. The company went belly up, although there […read more](https://hackaday.com/2022/12/21/chumby-gets-new-kernel-soon/) ⌘ [Read more](https://hackaday.com/2022/12/21/chumby-gets-new-kernel-soon/)
2022-12-22T06:00:33Z	**A Modern Tribute to The Classic HP-16C Calculator**
![](https://hackaday.com/wp-content/uploads/2022/12/3620801671547311020-e1671599754215.jpg?w=800)

The HP-16C Computer Scientist is much beloved as the only dedicated programmer’s calculator that Hewlett-Packard ever made. Most surviving examples in the world are well-used, and you haven’t been able […read more](https://hackaday.com/2022/12/21/a-modern-tribute-to-the-classic-hp-16c-calculator/) ⌘ [Read more](https://hackaday.com/2022/12/21/a-modern-tribute-to-the-classic-hp-16c-calculator/)
2022-12-22T09:00:52Z	**3D Printed Light Pipe Turns Overly-Bright LED Into Design Harmony**
![](https://hackaday.com/wp-content/uploads/2022/12/lit-top.jpg.png?w=800)

There are a number of ways to efficiently and elegantly limit an LED’s brightness, but [Tommy] found that using a light pipe or diffuser can integrate better with a device, […read more](https://hackaday.com/2022/12/22/3d-printed-light-pipe-turns-overly-bright-led-into-design-harmony/) ⌘ [Read more](https://hackaday.com/2022/12/22/3d-printed-light-pipe-turns-overly-bright-led-into-design-harmony/)
2022-12-22T12:00:54Z	**Alpakka: A Creative Commons Game Controller**
![](https://hackaday.com/wp-content/uploads/2022/12/alpakka_black_purple_stand-featured.png?w=800)

Input Labs’ mission is to produce open-source hardware and software for creating gaming controllers that can be adapted to anyone. Alpakka is their current take on a generic controller, looking similar […read more](https://hackaday.com/2022/12/22/alpakka-a-creative-commons-game-controller/) ⌘ [Read more](https://hackaday.com/2022/12/22/alpakka-a-creative-commons-game-controller/)
2022-12-22T15:00:49Z	**BBC World Service Turns 90**
![](https://hackaday.com/wp-content/uploads/2022/12/BBC.jpg?w=800)

If you’ve ever owned a shortwave radio, you’ve probably listened at least a little to the BBC World Service. After all, they are a major broadcasting force, and with the […read more](https://hackaday.com/2022/12/22/bbc-world-service-turns-90/) ⌘ [Read more](https://hackaday.com/2022/12/22/bbc-world-service-turns-90/)
2022-12-22T16:30:39Z	**Another Magnetron Teardown**
![](https://hackaday.com/wp-content/uploads/2022/12/micro.png?w=800)

[Electronoobs] has a healthy respect for the voltages and ceramics inside a microwave oven. But he still found the courage to tear one apart and show us the insides and […read more](https://hackaday.com/2022/12/22/another-magnetron-teardown/) ⌘ [Read more](https://hackaday.com/2022/12/22/another-magnetron-teardown/)
2022-12-22T18:00:21Z	**Arduboy Mini is a Fresh Take on an 8-bit Favorite**
![](https://hackaday.com/wp-content/uploads/2022/12/arduboymini_feat.jpg?w=800)

We’ve always been big fans of the Arduboy here at Hackaday. When creator Kevin Bates showed us the original prototype back in 2014, the idea was to use his unique […read more](https://hackaday.com/2022/12/22/arduboy-mini-is-a-fresh-take-on-an-8-bit-favorite/) ⌘ [Read more](https://hackaday.com/2022/12/22/arduboy-mini-is-a-fresh-take-on-an-8-bit-favorite/)
2022-12-22T19:30:23Z	**2022 FPV Contest: A Poor Man’s Journey Into FPV**
![](https://hackaday.com/wp-content/uploads/2022/12/4414421671202344830-e1671513248160.jpg?w=800)

FPV can be a daunting hobby to get into. Screens, cameras, and other equipment can be expensive, and there’s a huge range of hardware to choose from. [JP Gleyzes] has […read more](https://hackaday.com/2022/12/22/2022-fpv-contest-a-poor-mans-journey-into-fpv/) ⌘ [Read more](https://hackaday.com/2022/12/22/2022-fpv-contest-a-poor-mans-journey-into-fpv/)
2022-12-22T21:00:21Z	**Old Robotic Vacuum Gets a New RC Lease on Life**
![](https://hackaday.com/wp-content/uploads/2022/12/1280x720-vtime0_08-take2022-12-20-15.28.49.png?w=800)

To our way of thinking, the whole purpose behind robotic vacuum cleaners is their autonomy. They’re not particularly good at vacuuming, but they are persistent about it, and eventually get […read more](https://hackaday.com/2022/12/22/old-robotic-vacuum-gets-a-new-rc-lease-on-life/) ⌘ [Read more](https://hackaday.com/2022/12/22/old-robotic-vacuum-gets-a-new-rc-lease-on-life/)
2022-12-23T00:00:27Z	**You Can Make Ferrofluid On The Cheap With VHS Tapes**
![](https://hackaday.com/wp-content/uploads/2022/12/FUUIMJNGO8ES9J5YLV-1-e1671602868388.jpg?w=800)

Ferrofluid is a wonderous substance. It’s a liquid goop that responds to magnetic fields in exciting and interesting ways. It’s actually possible to make it yourself, and it’s cheap, too! […read more](https://hackaday.com/2022/12/22/you-can-make-ferrofluid-on-the-cheap-with-vhs-tapes/) ⌘ [Read more](https://hackaday.com/2022/12/22/you-can-make-ferrofluid-on-the-cheap-with-vhs-tapes/)
2022-12-23T03:00:49Z	**Your Own Santa? Thermal Camera Roundup**
![](https://hackaday.com/wp-content/uploads/2022/12/flir.png?w=800)

With Christmas and other end-of-year celebrations, there are gifts. The problem is that your loved ones don’t really know what to get you. Who can blame them? Do you want […read more](https://hackaday.com/2022/12/22/your-own-santa-thermal-camera-roundup/) ⌘ [Read more](https://hackaday.com/2022/12/22/your-own-santa-thermal-camera-roundup/)
2022-12-23T06:00:35Z	**GB Interceptor Enables Live Screen Capture From Game Boy**
![](https://hackaday.com/wp-content/uploads/2022/12/tetris.jpg?w=800)

[Sebastian] had a tricky problem to solve. Competitors in a Tetris tournament needed to stream video of their Game Boy screens, but no solution readily existed. For reasons of fairness, […read more](https://hackaday.com/2022/12/22/gb-interceptor-enables-live-screen-capture-from-game-boy/) ⌘ [Read more](https://hackaday.com/2022/12/22/gb-interceptor-enables-live-screen-capture-from-game-boy/)
2022-12-23T09:00:49Z	**Beat Backing Box for Bassists**
![](https://hackaday.com/wp-content/uploads/2022/12/bassmate-main.jpg?w=788)

The soul of a rock band is its rhythm section, usually consisting of a drummer and bass player. If you don’t believe that, try listening to a band where these […read more](https://hackaday.com/2022/12/23/beat-backing-box-for-bassists/) ⌘ [Read more](https://hackaday.com/2022/12/23/beat-backing-box-for-bassists/)
2022-12-23T12:00:50Z	**GitHub ESP32 OTA Updates, Now in MicroPython Flavor**
![](https://hackaday.com/wp-content/uploads/2022/12/ugit_ugit-main-image.jpg?w=800)

Wouldn’t it be great if you could keep all of your small Internet-connected hacks up to date with a single codebase? A couple of weeks ago, we wrote up a […read more](https://hackaday.com/2022/12/23/github-esp32-ota-updates-now-in-micropython-flavor/) ⌘ [Read more](https://hackaday.com/2022/12/23/github-esp32-ota-updates-now-in-micropython-flavor/)
2022-12-23T15:00:23Z	**This Week in Security: GitHub Actions, SHA-1 Retirement, and a Self-Worming Vulnerability**
![](https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800)

It should be no surprise that running untrusted code in a GitHub Actions workflow can have unintended consequences. It’s a killer feature, to automatically run through a code test suite […read more](https://hackaday.com/2022/12/23/this-week-in-security-github-actions-sha-1-retirement-and-a ... ⌘ [Read more](https://hackaday.com/2022/12/23/this-week-in-security-github-actions-sha-1-retirement-and-a-self-worming-vulnerability/)
2022-12-23T16:30:28Z	**Working With I2S-Compatible FM Tuners**
![](https://hackaday.com/wp-content/uploads/2022/12/I2S-output-FM-tuner-with-RDS-display-using-ESP-01-0-3-screenshot.png?w=800)

While the Internet is a great place to get access to any music or audio you can dream of, there’s still a place for broadcast radio. [mit41301] has recently been […read more](https://hackaday.com/2022/12/23/working-with-i2s-compatible-fm-tuners/) ⌘ [Read more](https://hackaday.com/2022/12/23/working-with-i2s-compatible-fm-tuners/)
2022-12-23T17:00:44Z	**Hackaday Podcast 198: Major Tom on the ISS, 3DP Ovals and Overhangs, Inside a Mini Cheetah Clone**
![](https://hackaday.com/wp-content/uploads/2016/05/microphone.jpg?w=800)

As we slide into the Christmas break, Editor-in-Chief Elliot Williams and Staff Writer Dan Maloney look at the best and brightest of this week’s hacks. It wasn’t an easy task […read more](https://hackaday.com/2022/12/23/hackaday-podcast-198-major-tom-on-the-iss-3dp-ovals-an ... ⌘ [Read more](https://hackaday.com/2022/12/23/hackaday-podcast-198-major-tom-on-the-iss-3dp-ovals-and-overhangs-inside-a-mini-cheetah-clone/)
2022-12-23T18:00:56Z	**Your Next Airport Meal May Be Delivered By Robot**
![](https://hackaday.com/wp-content/uploads/2022/12/Ottonomy-at-Pittsburgh-International-Airport-PIT-Allegheny-County-Airport-Authority-Xbridge-0-16-screenshot.png?w=800)

Robot delivery has long been touted as a game-changing technology of the future. However, it still hasn’t cracked the big time. Drones still aren’t airdropping packages into our gutters by […read more](https://hackaday.com/2022/12/23/your-next-airport-meal-may-be-delive ... ⌘ [Read more](https://hackaday.com/2022/12/23/your-next-airport-meal-may-be-delivered-by-robot/)
2022-12-23T19:30:36Z	**Laser Scanning Microscope Built With Blu-ray Parts**
![](https://hackaday.com/wp-content/uploads/2022/12/dfdf-e1671605480258.jpg?w=800)

Laser scanning microscopes are useful for all kinds of tiny investigations. As it turns out, you can build one using parts salvaged from a Blu-ray player, as demonstrated by [Doctor […read more](https://hackaday.com/2022/12/23/laser-scanning-microscope-built-with-blu-ray-parts/) ⌘ [Read more](https://hackaday.com/2022/12/23/laser-scanning-microscope-built-with-blu-ray-parts/)
2022-12-23T21:00:34Z	**This WiFi Signal Strength Meter Ain’t Afraid of No Ghosts**
![](https://hackaday.com/wp-content/uploads/2022/12/ghost01.jpg?w=800)

The original Ghostbusters movie is a classic that’s still delivering nearly 40 years after its release — just let that sink in for a minute. Almost every aspect of the […read more](https://hackaday.com/2022/12/23/this-wifi-signal-strength-meter-aint-afraid-of-no-ghosts/) ⌘ [Read more](https://hackaday.com/2022/12/23/this-wifi-signal-strength-meter-aint-afraid-of-no-ghosts/)
2022-12-24T00:00:56Z	**Harmonic vs Cycloidal Show Down**
![](https://hackaday.com/wp-content/uploads/2022/12/drive.png?w=800)

What’s better? Harmonic or cycloidal drive? We aren’t sure, but we know who to ask. [How To Mechatronics] 3D printed both kinds of gearboxes and ran them through several tests. You […read more](https://hackaday.com/2022/12/23/harmonic-vs-cycloidal-show-down/) ⌘ [Read more](https://hackaday.com/2022/12/23/harmonic-vs-cycloidal-show-down/)
2022-12-24T03:00:44Z	**Chainless “Digital Drive” Bikes Use Electric Power Transmission Instead**
![](https://hackaday.com/wp-content/uploads/2022/12/Are-Chainless-Digital-Drive-Bicycles-The-Future-of-Cycling_-7-34-screenshot.png?w=800)

We’re all familiar with how regular bikes work, with the pedals connected to the rear wheel via a simple chain drive. This setup is lightweight, cheap, and highly efficient. It’s […read more](https://hackaday.com/2022/12/23/chainless-digital-drive-bikes-use- ... ⌘ [Read more](https://hackaday.com/2022/12/23/chainless-digital-drive-bikes-use-electric-power-transmission-instead/)
2022-12-24T06:00:23Z	**An (Almost) Single-Chip Apple IIe**
![Three purple OshPark boards and a white bread board all attached using a number of jumper wires on a grey cutting mat.](https://hackaday.com/wp-content/uploads/2022/12/Single-Chip-.jpeg?w=800)

The Apple II is one of the most iconic microcomputers, and [James Lewis] decided to use the Mega-II “Apple IIe on a chip” from an Apple IIgs to build a […read more](https://hackaday.com/2022/12/23/an-almost-single-chip-apple-iie/) ⌘ [Read more](https://hackaday.com/2022/12/23/an-almost-single-chip-apple-iie/)
2022-12-24T09:00:54Z	**CoreFreq Gives Peek at CPU Performance Info on Linux**
![](https://hackaday.com/wp-content/uploads/2022/12/m85fdo0-e1671598993156.png?w=800)

The CPU is the part of the computer that makes everything else tick. While GPUs have increasingly become a key part of overall system performance, we still find ourselves wanting […read more](https://hackaday.com/2022/12/24/corefreq-gives-peek-at-cpu-performance-info-on-linux/) ⌘ [Read more](https://hackaday.com/2022/12/24/corefreq-gives-peek-at-cpu-performance-info-on-linux/)
2022-12-24T12:00:27Z	**How To Restore a Musical Amiga**
![](https://hackaday.com/wp-content/uploads/2022/12/amiga-restoration-main.png?w=800)

Despite the huge strides in computing power and functionality that have been achieved in the past few decades, there are still some things that older computers can do which are […read more](https://hackaday.com/2022/12/24/how-to-restore-a-musical-amiga/) ⌘ [Read more](https://hackaday.com/2022/12/24/how-to-restore-a-musical-amiga/)
2022-12-24T15:00:19Z	**A Hacker’s Christmas Story**
![](https://hackaday.com/wp-content/uploads/2017/08/led.jpg?w=800)

Twas the night before Christmas, and because I decided to make everyone’s presents myself this year, I’m still working like mad to get everything done before the big deadline. Why […read more](https://hackaday.com/2022/12/24/a-hackers-christmas-story/) ⌘ [Read more](https://hackaday.com/2022/12/24/a-hackers-christmas-story/)
2022-12-24T18:00:47Z	**Blinky Project Is 6502s All The Way Down**
![](https://hackaday.com/wp-content/uploads/2022/12/blinky-robot-front.jpg?w=800)

Virtually any platform you might find yourself programming on has some simple method of running a delay. [Joey Shepard] got rather creative on a recent project, though, relying on a […read more](https://hackaday.com/2022/12/24/blinky-project-is-6502s-all-the-way-down/) ⌘ [Read more](https://hackaday.com/2022/12/24/blinky-project-is-6502s-all-the-way-down/)
2022-12-24T21:00:51Z	**Spotify Player Brings Back Physical Media**
![A radio with a white front grate and wood edges sits on a grey surface. Next to the radio are small white disks with colorful edges reminicient of microdisc-sized records. A yellow-ringed disk sits on the radio. The handwritten title says, "Summer of 2011; Holidays in Barcelona"](https://hackaday.com/wp-content/uploads/2022/12/spotify.jpg?w=800)

Digital music has made keeping all your tunes with you a lot more convenient, but have we lost something  ... ⌘ [Read more](https://hackaday.com/2022/12/24/spotify-player-brings-back-physical-media/)
2022-12-25T00:00:30Z	**Drone Rescue Uses VHS Tape and Careful Planning**
![](https://hackaday.com/wp-content/uploads/2022/12/🎭-At-Naperville-Yard-🎭-A-quadcopter-drama-in-ten-acts-9-44-screenshot.png?w=800)

If you regularly fly your drones outdoors, you’ve probably worried about getting your pride and joy stuck in a big tree at some point. But flying indoors doesn’t guarantee you’ll […read more](https://hackaday.com/2022/12/24/drone-rescue-uses-vhs-tape-and-careful-planning/) ⌘ [Read more](https://hackaday.com/2022/12/24/drone-rescue-uses-vhs-tape-and-careful-planning/)
2022-12-25T03:00:00Z	**A Dungeon Master with a Thermal Printer**
![](https://hackaday.com/wp-content/uploads/2022/12/thermal-printer-main.jpeg?w=759)

The thermal printer is ubiquitous in today’s world, mostly found whenever we have to get a receipt from somewhere. They’re cheap, fast, and easy to use. Not only that, though, […read more](https://hackaday.com/2022/12/24/a-dungeon-master-with-a-thermal-printer/) ⌘ [Read more](https://hackaday.com/2022/12/24/a-dungeon-master-with-a-thermal-printer/)
2022-12-25T06:00:00Z	**Non-Replaceable Battery? Not If This Proposed EU Law Passes!**
![](https://hackaday.com/wp-content/uploads/2022/12/eu-battery-featured.jpg?w=800)

A disturbing trend in consumer electronics has been a steady disappearance of replaceable batteries on our devices. Finding a mobile phone with a swapable battery is a struggle, and many […read more](https://hackaday.com/2022/12/24/non-replaceable-battery-not-if-this-proposed-eu-law-passes/) ⌘ [Read more](https://hackaday.com/2022/12/24/non-replaceable-battery-not-if-this-proposed-eu-law-passes/)
2022-12-25T09:00:00Z	**The Spit-Detecting USB Flash Drive is Nearly Here**
![](https://hackaday.com/wp-content/uploads/2022/12/spitdrive_feat.jpg?w=800)

Regular readers may recall that security researcher and general open source hardware fanatic [Walker] has been planning a rather unusual flash drive for some time — one that will only […read more](https://hackaday.com/2022/12/25/the-spit-detecting-usb-flash-drive-is-nearly-here/) ⌘ [Read more](https://hackaday.com/2022/12/25/the-spit-detecting-usb-flash-drive-is-nearly-here/)
2022-12-25T12:00:00Z	**Encoding NTSC With Your Hands Tied**
![](https://hackaday.com/wp-content/uploads/2021/07/ntsc-tv-featured.jpg?w=800)

Generally, when trying to implement some protocol, you are constrained by your hardware and time. But for someone like [EMMIR], that’s not enough. For example, NTSC-CRT is a video signal […read more](https://hackaday.com/2022/12/25/encoding-ntsc-with-your-hands-tied/) ⌘ [Read more](https://hackaday.com/2022/12/25/encoding-ntsc-with-your-hands-tied/)
2022-12-25T15:00:00Z	**Virtualizing iPhoneOS 1.0**
![](https://hackaday.com/wp-content/uploads/2022/12/ios.png?w=800)

Virtualizing computers is nothing new. However, Apple devices always present challenges. Just ask anyone who has built a Hackintosh. At least computer hardware is usually exposed, but on phones, the […read more](https://hackaday.com/2022/12/25/virtualizing-iphoneos-1-0/) ⌘ [Read more](https://hackaday.com/2022/12/25/virtualizing-iphoneos-1-0/)
2022-12-25T18:00:00Z	**Self-Propelled Chainsaw Reduces Injuries**
![](https://hackaday.com/wp-content/uploads/2022/12/chainsaw-mill-main.png?w=800)

[Advoko] is an expert at milling logs into various sizes of boards. He typically uses nothing but a chainsaw to enable him to mill on-site without needing to bring any […read more](https://hackaday.com/2022/12/25/self-propelled-chainsaw-reduces-injuries/) ⌘ [Read more](https://hackaday.com/2022/12/25/self-propelled-chainsaw-reduces-injuries/)
2022-12-25T21:00:00Z	**Not Can It Run DOOM, But Can DOOM Run It?**
![](https://hackaday.com/wp-content/uploads/2022/12/doom-adder-featured.jpg?w=800)

It’s the standard test for a hardware hack, half serious half in jest, “Can it run DOOM?”. The iconic early-90s shooter from id software has made an appearance on everything […read more](https://hackaday.com/2022/12/25/not-can-it-run-doom-but-can-doom-run-it/) ⌘ [Read more](https://hackaday.com/2022/12/25/not-can-it-run-doom-but-can-doom-run-it/)
2022-12-26T00:00:00Z	**Hackaday Links: December 25, 2022**
![Hackaday Links Column Banner](https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800)

Looks like it’s lights out on Mars for the InSight lander. The solar-powered lander’s last selfie, sent back in April, showed a thick layer of dust covering everything, including the […read more](https://hackaday.com/2022/12/25/hackaday-links-december-25-2022/) ⌘ [Read more](https://hackaday.com/2022/12/25/hackaday-links-december-25-2022/)
2022-12-26T03:00:00Z	**Laser Cut Clips Save A Lamp From The Trash**
![](https://hackaday.com/wp-content/uploads/2022/12/ikea-lamp-featured.jpg?w=800)

Ikea have been known for years as a purveyor of inexpensive  yet stylish homewares, but it’s fair to say that sometimes their affordability is reflected in their insubstantial construction. Such […read more](https://hackaday.com/2022/12/25/laser-cut-clips-save-a-lamp-from-the-trash/) ⌘ [Read more](https://hackaday.com/2022/12/25/laser-cut-clips-save-a-lamp-from-the-trash/)
2022-12-26T06:00:00Z	**Reverse Engineering Saves Weller With a Wonky LCD From the Trash Pile**
![](https://hackaday.com/wp-content/uploads/2022/12/1280x720-vtime1_23-take2022-12-23-09.45.21.png?w=800)

There’s nothing more satisfying than finding a broken piece of gear in the trash and bringing it back to life. Satisfying, but also potentially more time-consuming — someone tossed it […read more](https://hackaday.com/2022/12/25/reverse-engineering-saves-weller-with-a-wonky-lcd-from-the-trash ... ⌘ [Read more](https://hackaday.com/2022/12/25/reverse-engineering-saves-weller-with-a-wonky-lcd-from-the-trash-pile/)
2022-12-26T09:00:00Z	**Self-Hosted Gaming With Friends**
![](https://hackaday.com/wp-content/uploads/2022/12/qwantify_logo-white.png?w=800)

One of the best parts of gaming is gaming with friends, but often this requires everyone involved to have the same expensive piece of hardware. Almost everyone has a computer […read more](https://hackaday.com/2022/12/26/self-hosted-gaming-with-friends/) ⌘ [Read more](https://hackaday.com/2022/12/26/self-hosted-gaming-with-friends/)
2022-12-26T12:00:00Z	**Pedal Your Way Through Games With this USB Exercise Bike**
![An exercise bike modified to become a game controller](https://hackaday.com/wp-content/uploads/2022/12/Exercise-bike-game-controller.jpg?w=800)

If you’re into cycling, there’s nothing better than heading out on the open road and feeling the wind in your hair. Unfortunately, climatic conditions make this uncomfortable or impossible at […read more](https://hackaday.com/2022/12/26/pedal-your-way-through-games-with-this-usb ... ⌘ [Read more](https://hackaday.com/2022/12/26/pedal-your-way-through-games-with-this-usb-exercise-bike/)
2022-12-26T15:00:00Z	**3D Modelling in English with AI**
![](https://hackaday.com/wp-content/uploads/2022/12/chair.png?w=800)

By now, you’ve surely seen the AI tools that can chat with you or draw pictures from prompts. OpenAI now has Point-E, which takes text or an image and produces […read more](https://hackaday.com/2022/12/26/3d-modelling-in-english-with-ai/) ⌘ [Read more](https://hackaday.com/2022/12/26/3d-modelling-in-english-with-ai/)
2022-12-26T18:00:00Z	**Standalone Touch ID for Your Desktop Mac**
![A beige keyboard with blue and grey keys sits on a colorful deskmat atop a wooden desk. A small box with a round Touch ID button sits next to the keyboard.](https://hackaday.com/wp-content/uploads/2022/12/screenshot-2022-11-18-at-113542-am.webp?w=800)

With the proliferation of biometric access to mobile devices, entering a password on your desktop can feel so passé. [Snazzy Labs] decided to fix this problem for his Mac by […read more](https://hackaday ... ⌘ [Read more](https://hackaday.com/2022/12/26/standalone-touch-id-for-your-desktop-mac/)
2022-12-26T21:00:00Z	**Turning a Microchip MPLAB Snap Into a UDPI AVR Programmer**
![](https://hackaday.com/wp-content/uploads/2022/12/mplab-snap_etn_36_udpi_mod.jpg?w=800)

The Unified Program and Debug Interface (UPDI) is Microchip’s proprietary interface for programming and on-chip debugging, and has become the standard on AVR MCUs after Microchip’s purchase of Atmel. Being […read more](https://hackaday.com/2022/12/26/turning-a-microchip-mplab-snap-into-a-udpi-avr-programmer/) ⌘ [Read more](https://hackaday.com/2022/12/26/turning-a-microchip-mplab-snap-into-a-udpi-avr-programmer/)
2022-12-27T00:00:00Z	**Connecting Commercial 433 MHz Sensors to MQTT and Home Assistant with RTL-SDR**
![](https://hackaday.com/wp-content/uploads/2022/12/rtl_433_screenshot.png?w=800)

When [Elixir of Progress] was looking at setting up environmental sensors around their home to keep track of temperature, humidity and such, the obvious ideas of using WiFi-connected sensors didn’t […read more](https://hackaday.com/2022/12/26/connecting-commercial-433-mhz-sensors-to-mqtt-and-home-ass ... ⌘ [Read more](https://hackaday.com/2022/12/26/connecting-commercial-433-mhz-sensors-to-mqtt-and-home-assistant-with-rtl-sdr/)
2022-12-27T03:00:00Z	**Tube Audio Amplifiers Needn’t Be Complex**
![](https://hackaday.com/wp-content/uploads/2022/12/pcl82-amp-featured.jpg?w=800)

There’s a mystique in audiophile circles about tube amplifiers. They can have a very nice sound which is attributed to their even-harmonic distortion, but they are often portrayed as requiring […read more](https://hackaday.com/2022/12/26/tube-audio-amplifiers-neednt-be-complex/) ⌘ [Read more](https://hackaday.com/2022/12/26/tube-audio-amplifiers-neednt-be-complex/)
2022-12-27T06:00:00Z	**Teensy Twofer of Plug-In Emulated Retro CPUs**
![](https://hackaday.com/wp-content/uploads/2022/12/emulated_image-3.png?w=800)

[Ted Fried] wrote in with not one but two (2!) new drop-in replacements for widespread old-school CPUs: the Zilog Z80 and the Intel 8088. Both of the “chips” run in […read more](https://hackaday.com/2022/12/26/teensy-twofer-of-plug-in-emulated-retro-cpus/) ⌘ [Read more](https://hackaday.com/2022/12/26/teensy-twofer-of-plug-in-emulated-retro-cpus/)
2022-12-27T09:00:00Z	**3D-Printed Self-Balancing Robot Brings Control Theory to Life**
![A DIY self-balancing robot](https://hackaday.com/wp-content/uploads/2022/12/LOTP-Self-Balancing-Robot.png?w=800)

Stabilizing an inverted pendulum is a classic problem in control theory, and if you’ve ever taken a control systems class you might remember seeing pages full of differential equations and […read more](https://hackaday.com/2022/12/27/3d-printed-self-balancing-robot-brings-control-theory-to-life/) ⌘ [Read more](https://hackaday.com/2022/12/27/3d-printed-self-balancing-robot-brings-control-theory-to-life/)
2022-12-27T12:00:00Z	**One Hacker’s Battle To Slightly Improve A Sadistic Sony Headset**
![A collage of three images. On top is the main PCB of the headphones, with a charger IC and the main MCU. On the bottom left, it shows ACOK and EN signals going to pullup resistors near the MCU. On bottom right, it shows the charger chip with its pinout overlaying it, highlighting the pads to be probed and later cut.](https://hackaday.com/wp-content/uploads/2022/12/hadimg_sonyhp_qimod_feat.jpeg?w=800)

One th ... ⌘ [Read more](https://hackaday.com/2022/12/27/one-hackers-battle-to-slightly-improve-a-sadistic-sony-headset/)
2022-12-27T15:00:40Z	**All About USB-C: Illegal Adapters**
![](https://hackaday.com/wp-content/uploads/2020/06/USBC.jpg?w=800)

Let’s be clear – it’s not enough to have USB-C to USB-C cables. There’s a lot of cables that we might want to acquire for our day-to-day use, perhaps, for […read more](https://hackaday.com/2022/12/27/all-about-usb-c-illegal-adapters/) ⌘ [Read more](https://hackaday.com/2022/12/27/all-about-usb-c-illegal-adapters/)
2022-12-27T16:30:00Z	**The ZX Spectrum Finally Gets a Proper Keyboard**
![A 3D-printed case for the ZX Spectrum with a mechanical keyboard](https://hackaday.com/wp-content/uploads/2022/12/ZX-Mechtrum.png?w=800)

The Sinclair ZX Spectrum is fondly remembered by many for being their first introduction into the wonderful world of computing. Its advanced capabilities coupled with a spectacularly low price made […read more](https://hackaday.com/2022/12/27/the-zx-spectrum-finally-gets-a-proper-keyboard/) ⌘ [Read more](https://hackaday.com/2022/12/27/the-zx-spectrum-finally-gets-a-proper-keyboard/)
2022-12-27T18:00:06Z	**Lo-Fi Fun: Beer Can Microphones**
![](https://hackaday.com/wp-content/uploads/2022/12/beer-can-mics-800.jpg?w=800)

Sometimes, you just need an easy win, right? This is one of those projects. A couple months back, I was looking at my guitars and guitar accessories and thought, it […read more](https://hackaday.com/2022/12/27/lo-fi-fun-beer-can-microphones/) ⌘ [Read more](https://hackaday.com/2022/12/27/lo-fi-fun-beer-can-microphones/)
2022-12-27T19:30:00Z	**An ESP32-Based Potentiostat**
![Picture of NanoStat in 3D-printed enclosure with LiPo battery and US quarter for scale.](https://hackaday.com/wp-content/uploads/2022/12/nanostat-feature.jpg?w=800)

Ever wanted to make your own wireless chemical sensor? Researchers from the University of California, Irvine (UC Irvine) have got you covered with their ESP32-based potentiostat. We’ve talked about potentiostats […read more](https://hackaday.com/2022/12/27/an-esp32-based-potentiostat/) ⌘ [Read more](https://hackaday.com/2022/12/27/an-esp32-based-potentiostat/)
2022-12-27T21:00:30Z	**ESPHome Powers Festive Lego Train Set**
![A Christmas-themed LEGO train engine and coal car](https://hackaday.com/wp-content/uploads/2022/12/ESPHome-Lego-Train.png?w=800)

While the basic concept of LEGO bricks might have changed little since the mid-20th century, some components such as motors and sensors are still affected by technological progress and end […read more](https://hackaday.com/2022/12/27/esphome-powers-festive-lego-train-set/) ⌘ [Read more](https://hackaday.com/2022/12/27/esphome-powers-festive-lego-train-set/)
2022-12-28T00:00:03Z	**Flexible, Thin-Film Biosensors**
![](https://hackaday.com/wp-content/uploads/2022/12/feature-V2.png?w=800)

We like to keep a pulse on the latest biosensor research going on around the world. One class of biosensors that have really caught our attention is the so-called thin-film […read more](https://hackaday.com/2022/12/27/flexible-thin-film-biosensors/) ⌘ [Read more](https://hackaday.com/2022/12/27/flexible-thin-film-biosensors/)
2022-12-28T03:00:34Z	**DietPi Releases 8.12 With Support for the Rockchip RK3588 SoC**
![](https://hackaday.com/wp-content/uploads/2016/02/pizerooblique.jpg?w=800)

This month DietPi released version 8.12 of this SBC-oriented Linux distribution. Most notable is the addition of support for the NanoPi R6S and the Radxa ROCK 5B SBCs. The ROCK 5B features […read more](https://hackaday.com/2022/12/27/dietpi-releases-8-12-with-support-for-the-rockchip-rk3588-soc/) ⌘ [Read more](https://hackaday.com/2022/12/27/dietpi-releases-8-12-with-support-for-the-rockchip-rk3588-soc/)
2022-12-28T06:00:33Z	**Spinning Holographic POV Christmas Tree of Death**
![Giant Spinning POV Christmas Tree](https://hackaday.com/wp-content/uploads/2022/12/POV-Tree.png?w=800)

[Sean Hodgins] really harnessed the holiday spirit to create his very own Giant Spinning Holographic Christmas Tree (of Death). It’s a three-dimensional persistence-of-vision (POV) masterpiece, but as a collection of […read more](https://hackaday.com/2022/12/27/spinning-holographic-pov-christmas-tree-of-death/) ⌘ [Read more](https://hackaday.com/2022/12/27/spinning-holographic-pov-christmas-tree-of-death/)
2022-12-28T09:00:17Z	**Mouse Enjoys Its Freedom**
![](https://hackaday.com/wp-content/uploads/2022/12/mouse-main.png?w=800)

Although it took a little while to standardize on the two-button-with-scroll-wheel setup, most computers have used a mouse or mouse-like device to point at objects on the screen since the […read more](https://hackaday.com/2022/12/28/mouse-enjoys-its-freedom/) ⌘ [Read more](https://hackaday.com/2022/12/28/mouse-enjoys-its-freedom/)
2022-12-28T12:00:08Z	**Fiberglass Mesh For Stronger 3D Prints**
![](https://hackaday.com/wp-content/uploads/2022/12/3dp-reinforcement-featured.jpg?w=800)

There are many clever ways to make stronger 3D prints, be they by the use of special slicing algorithms or by unusual filaments. [Brtv-z] has taken a more straightforward tack, […read more](https://hackaday.com/2022/12/28/fiberglass-mesh-for-stronger-3d-prints/) ⌘ [Read more](https://hackaday.com/2022/12/28/fiberglass-mesh-for-stronger-3d-prints/)
2022-12-28T15:00:43Z	**Linux Fu: Miller the Killer Makes CSV No Pest**
![](https://hackaday.com/wp-content/uploads/2020/05/LinuxFu.jpg?w=800)

Historically, one of the nice things about Unix and Linux is that everything is a file, and files are just sequences of characters. Of course, modern practice is that everything […read more](https://hackaday.com/2022/12/28/linux-fu-miller-the-killer-makes-csv-no-pest/) ⌘ [Read more](https://hackaday.com/2022/12/28/linux-fu-miller-the-killer-makes-csv-no-pest/)
2022-12-28T16:30:27Z	**Giving Stable Diffusion some Depth**
![](https://hackaday.com/wp-content/uploads/2022/12/00178-124542128-in-art-nouveau-painting_1.4-style-a-man-with-white-shirt-dark-pant-and-a-tie-and-a-woman-with-yellow-dress-dancing-on-a-stree.webp?w=768)

You’ve likely heard quite a bit of buzz over the last few months about Stable Diffusion. The new version (v2) has come out, and in addition to the standard image-to-image […read more](https://hackaday.com/2022/12/28/giving-stable-diffusion-some-depth/) ⌘ [Read more](https://hackaday.com/2022/12/28/giving-stable-diffusion-some-depth/)
2022-12-28T18:02:57Z	**Supercon 2022: Mooneer Salem Goes Ham with an ESP32**
![](https://hackaday.com/wp-content/uploads/2022/12/supercon-2022-mooneer-salem-brings-digital-voice-to-the-esp32-3flfp1zs7ge-webm-shot0001_featured.png?w=800)

After being licensed as a ham radio operator since the early 2000s, you tend to start thinking about combining your love for the radio with other talents. In a 20-minute […read more](https://hackaday.com/2022/12/28/supercon-2022-mooneer-salem-goes-ham-with-an-esp32/) ⌘ [Read more](https://hackaday.com/2022/12/28/supercon-2022-mooneer-salem-goes-ham-with-an-esp32/)
2022-12-28T19:30:53Z	**Decentralized Chaos in Germany**
![](https://hackaday.com/wp-content/uploads/2017/12/ccc-34c3-featured.jpg?w=800)

When you’re planning an event with 15,000 hackers in a tight space these days, the COVID logistics can take the wind right out of your sails. And so the Chaos […read more](https://hackaday.com/2022/12/28/decentralized-chaos-in-germany/) ⌘ [Read more](https://hackaday.com/2022/12/28/decentralized-chaos-in-germany/)
2022-12-28T21:00:28Z	**2022 FPV Contest: Get the Train Driver’s View in your N-Scale Railway**
![A model train car carrying a camera](https://hackaday.com/wp-content/uploads/2022/12/FPV-camera-model-train-car.jpg?w=800)

Model railroaders typically observe their project from high above. It would be neat to see what the world looks like to the residents of your little town, but getting down […read more](https://hackaday.com/2022/12/28/2022-fpv-contest-get-the-train-drivers-view-in-your-n-scale ... ⌘ [Read more](https://hackaday.com/2022/12/28/2022-fpv-contest-get-the-train-drivers-view-in-your-n-scale-railway/)
2022-12-29T00:00:00Z	**Workbench PC With A 50s Twist**
![Showing the vintage PC, painted in 50s color scheme, matching custom-built keyboard and mouse next to it](https://hackaday.com/wp-content/uploads/2022/12/had_vintage_workbenchpc_feat.jpeg?w=800)

[HolGer71] had a Mini-ITX Intel Atom-powered mainboard that he found useful for its vintage interfaces like COM and LPT. On a whim, he decided to give it even more vintage […read more](https://hackaday.com/2022/12/28/workbench-pc-with-a-50s-twist/) ⌘ [Read more](https://hackaday.com/2022/12/28/workbench-pc-with-a-50s-twist/)
2022-12-29T03:00:00Z	**Building A New Commodore 64 In 2022 With All New Components**
![](https://hackaday.com/wp-content/uploads/2022/12/fake_c64_dones.jpg?w=752)

Call it fake or simply new, but when [DusteD] set out to build a brand-new Commodore 64 with only new parts, it resulted in Project MaxFake64 that is electrically and […read more](https://hackaday.com/2022/12/28/building-a-new-commodore-64-in-2022-with-all-new-components/) ⌘ [Read more](https://hackaday.com/2022/12/28/building-a-new-commodore-64-in-2022-with-all-new-components/)
2022-12-29T06:00:00Z	**USB Host On RP2040 – With PIO**
![Showing a board with a Pi Pico plugged into it, a USB-A socket marked "USB host", and a character display that says "PASSED" referring to the board being the brains of a testing jig.](https://hackaday.com/wp-content/uploads/2022/12/hadimg_pio_usb_feat.jpeg?w=800)

Folks from [Adafruit] are showing off a neat hack – USB host on RP2040, using the now-famous PIO peripheral. [Adafruit] builds a lot of RP2040 boards, and naturally, you gotta […read more](https://hackaday.com/2022/ ... ⌘ [Read more](https://hackaday.com/2022/12/28/usb-host-on-rp2040-with-pio/)
2022-12-29T09:00:12Z	**Shopping Cart Does The Tedious Work For You**
![](https://hackaday.com/wp-content/uploads/2022/12/shopping-cart-main.png?w=800)

Thanks to modern microcontrollers, basic home automation tasks such as turning lights on and off, opening blinds, and various other simple tasks have become common DIY projects. But with the […read more](https://hackaday.com/2022/12/29/shopping-cart-does-the-tedious-work-for-you/) ⌘ [Read more](https://hackaday.com/2022/12/29/shopping-cart-does-the-tedious-work-for-you/)
2022-12-29T12:00:48Z	**Film Is Dead. Long Live Film, Say Pentax**
![](https://hackaday.com/wp-content/uploads/2022/12/new-pentax-featured.jpg?w=800)

If your answer to the question “When did you last shoot a roll of film” is “Less than two decades ago”, the chances are that you’re a camera enthusiast, and […read more](https://hackaday.com/2022/12/29/film-is-dead-long-live-film-say-pentax/) ⌘ [Read more](https://hackaday.com/2022/12/29/film-is-dead-long-live-film-say-pentax/)
2022-12-29T15:00:50Z	**Wear Your Fave Cassette Tapes as a Necklace With This 3D Printed Adapter**
![](https://hackaday.com/wp-content/uploads/2022/12/eeee-out.jpg?w=800)

While packing merch for a recent gig, I realised I had the opportunity to do something a little fun. I’d released an album on tape, and spent a little extra […read more](https://hackaday.com/2022/12/29/wear-your-fave-cassette-tapes-as-a-necklace-with-this-3d-printed-adapter/) ⌘ [Read more](https://hackaday.com/2022/12/29/wear-your-fave-cassette-tapes-as-a-necklace-with-this-3d-printed-adapter/)
2022-12-29T16:30:16Z	**Form Follows Function in this Circuit Sculpture Clock**
![A wall clock made from wires and electronic components](https://hackaday.com/wp-content/uploads/2022/12/Clock-Sculpture.jpg?w=800)

Electronic components are strictly functional objects: their appearance is determined by the function they’re meant to fulfil. But that doesn’t mean there’s no beauty in them. In fact, a whole […read more](https://hackaday.com/2022/12/29/form-follows-function-in-this-circuit-sculpture-clock/) ⌘ [Read more](https://hackaday.com/2022/12/29/form-follows-function-in-this-circuit-sculpture-clock/)
2022-12-29T18:00:00Z	**Retrotechtacular: Gibson Factory Tour, 1967-Style**
![](https://hackaday.com/wp-content/uploads/2022/12/gibson-800.jpg?w=800)

If nothing else good came out of 2020, we can say that we at least have “Instrument of the People” — some 1967-era footage of Gibson Guitars’ “craftory”, which was […read more](https://hackaday.com/2022/12/29/retrotechtacular-gibson-factory-tour-1967-style/) ⌘ [Read more](https://hackaday.com/2022/12/29/retrotechtacular-gibson-factory-tour-1967-style/)
2022-12-29T19:30:26Z	**2022 FPV Contest: Turbo Super Submarine**
![](https://hackaday.com/wp-content/uploads/2022/12/fpv-sub-featured.jpg?w=800)

The projects featured on these pages frequently rule the air, the ground, the rails, and even the waves, but very rarely do they rule the deep. Building a submarine is […read more](https://hackaday.com/2022/12/29/2022-fpv-contest-turbo-super-submarine/) ⌘ [Read more](https://hackaday.com/2022/12/29/2022-fpv-contest-turbo-super-submarine/)
2022-12-29T21:00:53Z	**A Nomadic Chair**
![A simple wooden chair with mint metallic connectors at the corners sits next to a pile of wooden pieces wrapped in leather and straps to form a backpack.](https://hackaday.com/wp-content/uploads/2022/12/Nomadic-Furniture-by-Jorge-Penades_dezeen_ss_10.jpg?w=784)

There’s no shortage of different types of folding or portable chairs, but designer [Jorge Penadés] built a backpack chair that will go the long haul. Furniture that assembles without screws […read more](https://hackaday.com/2022/12/29/a-nomadi ... ⌘ [Read more](https://hackaday.com/2022/12/29/a-nomadic-chair/)
2022-12-30T00:00:15Z	**The Sweetest Glue In The World**
![](https://hackaday.com/wp-content/uploads/2022/12/gummy-glue-featured.jpg?w=800)

Perhaps we’re not alone in having a penchant for gummy sweets, but we have to admit to never following the train of thought shared by [Lost Art Press]. Upon finding […read more](https://hackaday.com/2022/12/29/the-sweetest-glue-in-the-world/) ⌘ [Read more](https://hackaday.com/2022/12/29/the-sweetest-glue-in-the-world/)
2022-12-30T03:00:45Z	**Debugging Laser Cut Wobble, The Scientific Way**
![A closeup picture showing the jagged edge of the cut](https://hackaday.com/wp-content/uploads/2022/12/hadimg_cut_debugging_feat.jpg?w=800)

[PWalsh] was using his lasercutter to cut acrylic, expecting the cuts to have a pleasantly smooth edge. Alas, the edges turned out to be wobbly and sandpaper-like, not smooth in […read more](https://hackaday.com/2022/12/29/debugging-laser-cut-wobble-the-scientific-way/) ⌘ [Read more](https://hackaday.com/2022/12/29/debugging-laser-cut-wobble-the-scientific-way/)
2022-12-30T06:00:33Z	**Pi-Cast Adds ATX Signalling To KVM**
![](https://hackaday.com/wp-content/uploads/2022/12/pi-cast-main.jpg?w=800)

A KVM is a great tool for administering a number of different computers without cluttering one’s desk with extra peripherals, or for having to re-connect the keyboard, video, and mouse […read more](https://hackaday.com/2022/12/29/pi-cast-adds-atx-signalling-to-kvm/) ⌘ [Read more](https://hackaday.com/2022/12/29/pi-cast-adds-atx-signalling-to-kvm/)
2022-12-30T09:00:59Z	**Robot Rebellion Brings Back BBC Camera Operators**
![](https://hackaday.com/wp-content/uploads/2022/12/bbc-robot-camera-featured.jpg?w=800)

The modern TV news studio is a masterpiece of live video and CGI, as networks vie for the flashiest presentation. BBC News in London is no exception, and embraced the […read more](https://hackaday.com/2022/12/30/robot-rebellion-brings-back-bbc-camera-operators/) ⌘ [Read more](https://hackaday.com/2022/12/30/robot-rebellion-brings-back-bbc-camera-operators/)
2022-12-30T12:00:35Z	**A Fun Low-Cost Start For Your Macropad Hobby**
![The macropad PCB panel next to an assembled macropad](https://hackaday.com/wp-content/uploads/2022/12/hadimg_smol_macropad_feat.jpg?w=800)

If you were ever looking for a small relaxing evening project that you could then use day-to-day, you gotta consider the Pico Hat Pad kit by [Natalie the Nerd]. It fits […read more](https://hackaday.com/2022/12/30/a-fun-low-cost-start-for-your-macropad-hobby/) ⌘ [Read more](https://hackaday.com/2022/12/30/a-fun-low-cost-start-for-your-macropad-hobby/)
2022-12-30T15:00:55Z	**This Week in Security: Adblock for Security, ProxyNotShell Lives, and CVSS 10 to Not Worry About**
![](https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800)

The ubiquity of ransomware continues, this time with The Guardian announcing they were partially shut down from an attack. Staff are working from home as the incident is being investigated […read more](https://hackaday.com/2022/12/30/this-week-in-security-adblock-for-security ... ⌘ [Read more](https://hackaday.com/2022/12/30/this-week-in-security-adblock-for-security-proxynotshell-lives-and-cvss-10-to-not-worry-about/)
2022-12-30T16:30:54Z	**Logic Gate Game Is Fun AND Educational**
![](https://hackaday.com/wp-content/uploads/2022/12/logic-gate-game-800.jpg?w=800)

How well do you know your logic gates? For their final submission for STEM Projects class, [BKriet] gamified the situation using a Raspberry Pi Pico, some blinkenlights, and a not-insignificant […read more](https://hackaday.com/2022/12/30/logic-gate-game-is-fun-and-educational/) ⌘ [Read more](https://hackaday.com/2022/12/30/logic-gate-game-is-fun-and-educational/)
2022-12-30T17:00:26Z	**Hackaday Podcast 199: Ferrofluid Follies, Decentralized Chaos, and NTSC for You and Me**
![](https://hackaday.com/wp-content/uploads/2016/05/microphone.jpg?w=800)

This week, Editor-in-Chief Elliot Williams and Assignments Editor Kristina Panos decided against using one of Kristina’s tin can microphones to record the podcast, though that might be a cool optional […read more](https://hackaday.com/2022/12/30/hackaday-podcast-199-ferrofluid-follies-decentra ... ⌘ [Read more](https://hackaday.com/2022/12/30/hackaday-podcast-199-ferrofluid-follies-decentralized-chaos-and-ntsc-for-you-and-me/)
2022-12-30T19:00:00Z	**2022 FPV Contest: ESP32-Powered FPV Car Uses Javascript For VR Magic**
![Showing the end result car, with mechanum wheels and a green chassis with what seems to be a camera window on top](https://hackaday.com/wp-content/uploads/2022/12/hadimg_esp32_fpv_feat.jpg?w=800)

You don’t always need much to build an FPV rig – especially if you’re willing to take advantage of the power of modern smartphones. [joe57005] is showing off his VR […read more](https://hackaday.com/2022/ ... ⌘ [Read more](https://hackaday.com/2022/12/30/2022-fpv-contest-esp32-powered-fpv-car-uses-javascript-for-vr-magic/)
2022-12-30T21:00:00Z	**Acoustic Coupler Gets You Online Through Any Desk Phone**
![A laptop with a desk phone and a 3D-printed acoustic coupler next to it](https://hackaday.com/wp-content/uploads/2022/12/Acoustic-coupler-in-use.png?w=800)

Up until the mid-1980s, connecting a computer to a phone line was tricky: many phone companies didn’t allow the connection of unlicensed equipment to their network, and even if they […read more](https://hackaday.com/2022/12/30/acoustic-coupler-gets-you-online-through-a ... ⌘ [Read more](https://hackaday.com/2022/12/30/acoustic-coupler-gets-you-online-through-any-desk-phone/)
2022-12-31T00:00:10Z	**Test Your Capacity for Circuit Sculpture with Flashing Lights**
![](https://hackaday.com/wp-content/uploads/2022/12/555-flasher-sculpture-800.jpg?w=800)

Have you tried your hand at circuit sculpture yet? Well, if you were waiting for the ideal first project with a great build video to go along with it, keep […read more](https://hackaday.com/2022/12/30/test-your-capacity-for-circuit-sculpture-with-flashing-lights/) ⌘ [Read more](https://hackaday.com/2022/12/30/test-your-capacity-for-circuit-sculpture-with-flashing-lights/)
2022-12-31T03:00:56Z	**Audio Old And New Meet In Perfect Harmony**
![](https://hackaday.com/wp-content/uploads/2022/12/audio-box-featured.jpg?w=800)

There’s an uneasy meeting in the world of audio between digital and analogue. Traditional analogue audio reached a level of very high quality, but as old-style media-based audio sources have […read more](https://hackaday.com/2022/12/30/audio-old-and-new-meet-in-perfect-harmony/) ⌘ [Read more](https://hackaday.com/2022/12/30/audio-old-and-new-meet-in-perfect-harmony/)
2022-12-31T06:00:37Z	**Turn a Webpage into a Desktop App With Gluon**
![Screenshot of the framework-built app, showing it running through Firefox](https://hackaday.com/wp-content/uploads/2022/12/hadimg_gluon_feat2.png?w=788)

Electron is software for running web-written apps in the same way as native ones, and has gotten plenty of bad press for its RAM appetite around these parts. But while […read more](https://hackaday.com/2022/12/30/turn-a-webpage-into-a-desktop-app-with-gluon/) ⌘ [Read more](https://hackaday.com/2022/12/30/turn-a-webpage-into-a-desktop-app-with-gluon/)
2022-12-31T09:00:50Z	**If You Can’t See A Solar Panel, That Doesn’t Mean It’s Not There**
![](https://hackaday.com/wp-content/uploads/2022/12/solar-tile-featured.jpg?w=800)

In the shift away from fossil fuel energy sources, there has been a huge expansion in solar power. We’ve seen solar thermal plants in the desert and photovoltaic panel farms […read more](https://hackaday.com/2022/12/31/if-you-cant-see-a-solar-panel-that-doesnt-mean-its-not-there/) ⌘ [Read more](https://hackaday.com/2022/12/31/if-you-cant-see-a-solar-panel-that-doesnt-mean-its-not-there/)
2022-12-31T12:00:32Z	**Want To Play With FPGAs? Use Your Pico!**
![a Pi Pico on a breadboard, running a 7-segment counter gateware, with a 7-segment digit and a pushbutton next to the Pico](https://hackaday.com/wp-content/uploads/2022/12/hadimg_fakepga_feat.png?w=800)

Ever want to play with an FPGA, but don’t have the hardware? Now, if you have one of those ever-abundant Pi Picos, you can start playing with Verilog without getting […read more](https://hackaday.com/2022/12/31/want-to-play-with-fpgas-use-your-pico/) ⌘ [Read more](https://hackaday.com/2022/12/31/want-to-play-with-fpgas-use-your-pico/)
2022-12-31T15:00:40Z	**In Praise of “Just Because” Hacks**
![](https://hackaday.com/wp-content/uploads/2020/05/Automation.jpg?w=800)

Sometimes you pick a project because the world needs it to be done. Or maybe you or a friend need it. Or maybe you don’t really need it, but it […read more](https://hackaday.com/2022/12/31/in-praise-of-just-because-hacks/) ⌘ [Read more](https://hackaday.com/2022/12/31/in-praise-of-just-because-hacks/)
2022-12-31T18:00:48Z	**Battery-Powered ESP8266 Sensor? Never Been Simpler**
![Fritzing diagram of connections between the Wemos D1 board, the TP4056 board, the pushbutton and the LiIon battery](https://hackaday.com/wp-content/uploads/2022/12/hadimg_wemos_liion_feat.png?w=800)

Say, you’re starting your electronics journey with a few projects in mind. You have an ESP8266 board like the Wemos D1, a LiIon battery, you want to build a small […read more](https://hackaday.com/2022/12/31/battery-powered-esp8266-senso ... ⌘ [Read more](https://hackaday.com/2022/12/31/battery-powered-esp8266-sensor-never-been-simpler/)
2022-12-31T21:00:20Z	**KiCad 2022 End-of-Year Recap and 7.0 Preview**
![KiCad 2022 Year End Recap](https://hackaday.com/wp-content/uploads/2022/12/KiCad-2022-Recap.png?w=800)

[Chris Gammell] moderated the KiCad 2022 End-of-Year Recap with several KiCad developers and librarians. They reviewed what’s been bubbling up in the nightly KiCad 6 builds, what we can expect […read more](https://hackaday.com/2022/12/31/kicad-2022-end-of-year-recap-and-7-0-preview/) ⌘ [Read more](https://hackaday.com/2022/12/31/kicad-2022-end-of-year-recap-and-7-0-preview/)
2023-01-01T00:00:50Z	**Get To Know Touch With This Dev Board**
![](https://hackaday.com/wp-content/uploads/2022/12/touch-board-featured.jpg?w=800)

In the catalogue of the Chinese parts supplier LCSC can be found many parts not available from American or European suppliers, and thus anyone who wants to evaluate them can […read more](https://hackaday.com/2022/12/31/get-to-know-touch-with-this-dev-board/) ⌘ [Read more](https://hackaday.com/2022/12/31/get-to-know-touch-with-this-dev-board/)
2023-01-01T03:00:38Z	**Dirty USB-C Tricks: One Port For The Price Of Two**
![Showing the same thumbdrive plugged into the same USB-C port in two different orientations, enumerating as two different USB ports](https://hackaday.com/wp-content/uploads/2022/12/hadimg_usb_stealing_feat.jpg?w=800)

[RichardG] has noticed a weird discrepancy – his Ryzen mainboard ought to have had fourteen USB3 ports, but somehow, only exposed thirteen of them. Unlike other mainboards in this lineup, […read more](https://hackaday.com/ ... ⌘ [Read more](https://hackaday.com/2022/12/31/dirty-usb-c-tricks-one-port-for-the-price-of-two/)
2023-01-01T06:00:32Z	**Raspberry Pi and ppLOGGER Make a Low-Cost Chemiluminescence Detector**
![Raspberry Pi biosensor with screen-printed electrodes](https://hackaday.com/wp-content/uploads/2022/12/rpi_feature.png?w=800)

[Laena] and her colleagues at the La Trobe Institute for Molecular Science in Melbourne, Australia used a Raspberry Pi to make a low-cost electrochemiluminescence (ECL) detector to measure inflammation markers, […read more](https://hackaday.com/2022/12/31/raspberry-pi-and- ... ⌘ [Read more](https://hackaday.com/2022/12/31/raspberry-pi-and-pplogger-make-a-low-cost-chemiluminescence-detector/)
2023-01-01T09:00:52Z	**NABU PC Gets CPU Upgrade, Emulates a TRS-80**
![A NABU PC opened up and powered on](https://hackaday.com/wp-content/uploads/2022/12/NABU-MCLZ8.jpg?w=749)

The NABU PC caused a bit of a buzz in the retrocomputing community a while back. After all, it doesn’t happen often that a huge batch of brand-new computers from […read more](https://hackaday.com/2023/01/01/nabu-pc-gets-cpu-upgrade-emulates-a-trs-80/) ⌘ [Read more](https://hackaday.com/2023/01/01/nabu-pc-gets-cpu-upgrade-emulates-a-trs-80/)
2023-01-01T12:00:48Z	**This Fingernail Sticker Can Detect When You Stop Breathing**
![pulse oximeter as a small sticker that sticks on your fingernail and measures heart rate, motion, and blood oxygen](https://hackaday.com/wp-content/uploads/2022/12/finger-nail-sticker-pulse-ox-feature.jpg?w=800)

Sometimes we dig through the archives to see what kind of crazy hacks we can pull out of the depths of the world wide web and this one was worth […read more](https://hackaday.com/2023/01/01/this-fingernail-s ... ⌘ [Read more](https://hackaday.com/2023/01/01/this-fingernail-sticker-can-detect-when-you-stop-breathing/)
2023-01-01T15:00:41Z	**A DIY Pulse Tube Cryocooler in the Quest For Home-Made Liquid Nitrogen**
![](https://hackaday.com/wp-content/uploads/2022/12/pulse_tube_cryocooler_heat_transfer.jpg?w=800)

What if you have a need for liquid nitrogen, but you do not wish to simply order it from a local supplier? In that case you can build your very […read more](https://hackaday.com/2023/01/01/a-diy-pulse-tube-cryocooler-in-the-quest-for-home-made-liquid-nitrogen/) ⌘ [Read more](https://hackaday.com/2023/01/01/a-diy-pulse-tube-cryocooler-in-the-quest-for-home-made-liquid-nitrogen/)
2023-01-01T18:00:15Z	**Use USB-C Chargers To Top Up Li-Ion Packs With This Hack**
![Showing a USB-C tester running the DingoCharge script, charging a battery pack at 7V. To the right is a battery pack being charged, and a USB-C charger doing the charging.](https://hackaday.com/wp-content/uploads/2022/12/hadimg_liion_ppscharge_feat.jpg?w=800)

In USB-C Power Delivery (PD) standard, the PPS (Programmable Power Supply) mode is an optional mode that lets you request a non-standard voltage from a charger, wi ... ⌘ [Read more](https://hackaday.com/2023/01/01/use-usb-c-chargers-to-top-up-li-ion-packs-with-this-hack/)
2023-01-01T21:00:57Z	**LEDCard: The Pocketable Ring Light**
![](https://hackaday.com/wp-content/uploads/2022/12/LEDCard_showcase.jpg?w=800)

How many times have you found yourself fumbling about with lighting while trying to get a clear up-close shot of an object? Although smartphones come with pretty nice cameras these […read more](https://hackaday.com/2023/01/01/ledcard-the-pocketable-ring-light/) ⌘ [Read more](https://hackaday.com/2023/01/01/ledcard-the-pocketable-ring-light/)
2023-01-02T00:00:08Z	**Electronics Explained with Mechanical Devices**
![Steve showing a circuit built with spintronics blocks](https://hackaday.com/wp-content/uploads/2022/12/hadimg_spintronics_feat.jpeg?w=800)

It can be surprisingly hard to find decent analogies when you’re teaching electronics basics. The water flow analogy, for instance, is decent for explaining Ohm’s law, but it breaks down […read more](https://hackaday.com/2023/01/01/electronics-explained-with-mechanical-devices/) ⌘ [Read more](https://hackaday.com/2023/01/01/electronics-explained-with-mechanical-devices/)
2023-01-02T03:00:20Z	**AIOC: The Ham Radio All-In-One Cable For Audio and APRS**
![](https://hackaday.com/wp-content/uploads/2022/12/k1-aioc-wouxun-featured.png?w=800)

The Ham Radio All-in-one cable (AIOC) is a small PCB attachment for a popular series of radio transceivers which adds a USB-attached audio interface and virtual TTY port for programming […read more](https://hackaday.com/2023/01/01/aioc-the-ham-radio-all-in-one-cable-for-audio-and-aprs/) ⌘ [Read more](https://hackaday.com/2023/01/01/aioc-the-ham-radio-all-in-one-cable-for-audio-and-aprs/)
2023-01-02T06:00:11Z	**Snow Plowing by Bicycle**
![](https://hackaday.com/wp-content/uploads/2023/01/ebike-plow-main.png?w=800)

There are few challenges more difficult or dangerous than trying to get around the majority of North American cities by bicycle. Not only is the bicycle infrastructure woefully inadequate for […read more](https://hackaday.com/2023/01/01/snow-plowing-by-bicycle/) ⌘ [Read more](https://hackaday.com/2023/01/01/snow-plowing-by-bicycle/)
2023-01-02T09:00:16Z	**DIYson Lamp Hides Cables Between the Seams**
![](https://hackaday.com/wp-content/uploads/2023/01/diyson.png?w=800)

[Steven Bennett] is so fond of Dyson’s new Lightcycle lamp that he’s decided to clone his own version in the spirit of the original. Dyson, however, knows what makes their […read more](https://hackaday.com/2023/01/02/diyson-lamp-hides-cables-between-the-seams/) ⌘ [Read more](https://hackaday.com/2023/01/02/diyson-lamp-hides-cables-between-the-seams/)
2023-01-02T12:00:20Z	**Generative Music Created in Minimalistic Javascript Code**
![Dittytoy recreation of Jean-Michel Jarre's Oxygene Part IV](https://hackaday.com/wp-content/uploads/2022/12/Dittytoy.png?w=800)

Dittytoy user [srtuss] has recreated one of the most influential works of electronic music in an elegant nineteen kilobytes of Javascript code. The recreation of Jean-Michel Jarre’s Oxygene Part IV […read more](https://hackaday.com/2023/01/02/generative-music-created-in-minimalistic-javascript- ... ⌘ [Read more](https://hackaday.com/2023/01/02/generative-music-created-in-minimalistic-javascript-code/)
2023-01-02T15:00:27Z	**Supercon 2022 Badge Gets A Tinkering Helper Add-on**
![3D render of the badge programming adapter PCB](https://hackaday.com/wp-content/uploads/2022/12/hadimg_scbadge_programmer_feat.png?w=800)

Are you one of the lucky ones to own a Hackaday Supercon 2022 badge? Would you like to make it even easier to program than it already is? [brokebit] has […read more](https://hackaday.com/2023/01/02/supercon-2022-badge-gets-a-tinkering-helper-add-on/) ⌘ [Read more](https://hackaday.com/2023/01/02/supercon-2022-badge-gets-a-tinkering-helper-add-on/)
2023-01-02T18:00:26Z	**A Bicycle Trailer Fit For Heavy Haulage**
![](https://hackaday.com/wp-content/uploads/2022/12/bike-trailer-featured.jpg?w=800)

One of the problems of being a cyclist is that a bicycle just isn’t designed to carry much more than a human. You can get panniers and hang shopping bags […read more](https://hackaday.com/2023/01/02/a-bicycle-trailer-fit-for-heavy-haulage/) ⌘ [Read more](https://hackaday.com/2023/01/02/a-bicycle-trailer-fit-for-heavy-haulage/)
2023-01-02T21:00:19Z	**The Whole Thing in Python**
![](https://hackaday.com/wp-content/uploads/2023/01/9026811672422923804_featured.png?w=800)

[hsgw] built a macropad in Python, and that’s not a strange language to choose to program the firmware in these days.  But that’s just the tip of the iceberg. The […read more](https://hackaday.com/2023/01/02/the-whole-thing-in-python/) ⌘ [Read more](https://hackaday.com/2023/01/02/the-whole-thing-in-python/)
2023-01-03T00:00:42Z	**All Aboard the Garbage Express**
![](https://hackaday.com/wp-content/uploads/2023/01/trash-train-main.png?w=800)

Cog railways are a somewhat unusual way of train locomotion, typically only installed when a train needs to climb steep terrain. Any grade above about 10% needs the extra traction […read more](https://hackaday.com/2023/01/02/all-aboard-the-garbage-express/) ⌘ [Read more](https://hackaday.com/2023/01/02/all-aboard-the-garbage-express/)
2023-01-03T03:00:39Z	**What’s New, From 1927**
![](https://hackaday.com/wp-content/uploads/2023/01/metropolis-featured.jpg?w=800)

Here we are at the start of the new year, which for the Internet Archive means a note about what has just entered the public domain. 1927’s finest previously copyrighted […read more](https://hackaday.com/2023/01/02/whats-new-from-1927/) ⌘ [Read more](https://hackaday.com/2023/01/02/whats-new-from-1927/)
2023-01-03T06:00:57Z	**Holographic Cellphones Coming Thanks to AI**
![](https://hackaday.com/wp-content/uploads/2023/01/holo.png?w=800)

Issac Asimov foresaw 3D virtual meetings but gave them the awkward name “tridimensional personification.” While you could almost do this now with VR headsets and 3D cameras, it would be […read more](https://hackaday.com/2023/01/02/holographic-cellphones-coming-thanks-to-ai/) ⌘ [Read more](https://hackaday.com/2023/01/02/holographic-cellphones-coming-thanks-to-ai/)
2023-01-03T09:00:15Z	**A Single Ended Vacuum Tube Amplifier with a Modern Twist**
![](https://hackaday.com/wp-content/uploads/2023/01/tube-amp-featured.jpg?w=800)

Despite the oldest solid state audio circuitry now qualifying for a pension and a bus pass where this is being written, the thermionic tube retains a foothold in the world […read more](https://hackaday.com/2023/01/03/a-single-ended-vacuum-tube-amplifier-with-a-modern-twist/) ⌘ [Read more](https://hackaday.com/2023/01/03/a-single-ended-vacuum-tube-amplifier-with-a-modern-twist/)
2023-01-03T12:00:02Z	**Wearable SkoBots full of STEAM and Vanishing Indigenous Languages**
![The STEAM Connection Danielle Boyer and mentee Vinaya Gunasekar build robots](https://hackaday.com/wp-content/uploads/2023/01/The-STEAM-Connection-Danielle-Boyer-and-mentee-Vinaya-Gunasekar-build-robots.jpg?w=800)

[Danielle Boyer] is Ojibwe: Sault Ste Marie Tribe and passionate about preserving vanishing indigenous languages. She’s invented a shoulder-worn talking companion, called a SkoBot, to teach S ... ⌘ [Read more](https://hackaday.com/2023/01/03/wearable-skobots-full-of-steam-and-vanishing-indigenous-languages/)
2023-01-03T15:00:33Z	**2022: As The Hardware World Turns**
![](https://hackaday.com/wp-content/uploads/2023/01/2022review_feat.jpg?w=800)

Well folks, we made it through another one. While it would be a stretch to call 2022 a good year for those of us in the hacking and making community, […read more](https://hackaday.com/2023/01/03/2022-as-the-hardware-world-turns/) ⌘ [Read more](https://hackaday.com/2023/01/03/2022-as-the-hardware-world-turns/)
2023-01-03T16:30:45Z	**Veteran Polaroid Camera Lives Again, With  Film Conversion**
![](https://hackaday.com/wp-content/uploads/2023/01/polaroid-big-shot-featured.jpg?w=800)

Browsing the thrift stores will net an amazing array of old cameras for dirt cheap prices, meaning that a film enthusiast can have plenty of fun without wasting money they […read more](https://hackaday.com/2023/01/03/veteran-polaroid-camera-lives-again-with-film-conversion/) ⌘ [Read more](https://hackaday.com/2023/01/03/veteran-polaroid-camera-lives-again-with-film-conversion/)
2023-01-03T18:00:01Z	**The Problem With Passwords**
![](https://hackaday.com/wp-content/uploads/2022/12/passwords-featured.jpg?w=800)

By now it’s probable that most readers will have heard about LastPass’s “Security Incident“, in which users’ password vaults were lifted from their servers. We’re told that the vaults are […read more](https://hackaday.com/2023/01/03/the-problem-with-passwords/) ⌘ [Read more](https://hackaday.com/2023/01/03/the-problem-with-passwords/)
2023-01-03T19:30:32Z	**Fool a Drone With a Fixed Battery**
![](https://hackaday.com/wp-content/uploads/2023/01/drone-cells-featured.jpg?w=800)

Lithium-ion and lithium-polymer rechargeable batteries have given us previously impossible heights of electronics power and miniaturization, but there’s a downside they have brought along with them. When a battery pack […read more](https://hackaday.com/2023/01/03/fool-a-drone-with-a-fixed-battery/) ⌘ [Read more](https://hackaday.com/2023/01/03/fool-a-drone-with-a-fixed-battery/)
2023-01-03T21:00:18Z	**The Crawlspace Crawler**
![](https://hackaday.com/wp-content/uploads/2023/01/crawlspace-crawler-nns79vjjnfi-webm-shot0001_featured.png?w=800)

This crawlspace crawler FPV robot is a fairly simple build. [Jeff G] bought a boxy chassis kit with frame, motors, and wheels, mounted lights and camera, and we get to […read more](https://hackaday.com/2023/01/03/the-crawlspace-crawler/) ⌘ [Read more](https://hackaday.com/2023/01/03/the-crawlspace-crawler/)
2023-01-04T00:00:51Z	**HP 33120A Repair: Shutting Down the Eye of Sauron**
![](https://hackaday.com/wp-content/uploads/2023/01/hp33120a_PCB_after_fixes.jpg?w=800)

When a friend of [Tom Verbeure] came into possession of two HP 33120A 15 MHz function/arbitrary waveform generators, he could not resist giving them a try. Although not exactly high-end […read more](https://hackaday.com/2023/01/03/hp-33120a-repair-shutting-down-the-eye-of-sauron/) ⌘ [Read more](https://hackaday.com/2023/01/03/hp-33120a-repair-shutting-down-the-eye-of-sauron/)
2023-01-04T03:00:44Z	**Continuous Printing On LCD Resin Printer: No More Wasted Time On Peeling? Is it possible?**
![](https://hackaday.com/wp-content/uploads/2023/01/silicone_film_for_resin_printer_on_resin_vat.jpg?w=800)

Anyone who has done any amount of 3D printing with SLA printers is probably well aware of the peeling step with each layer. This involves the newly printed layer being […read more](https://hackaday.com/2023/01/03/continuous-printing-on-lcd-resin-printer- ... ⌘ [Read more](https://hackaday.com/2023/01/03/continuous-printing-on-lcd-resin-printer-no-more-wasted-time-on-peeling-is-it-possible/)
2023-01-04T06:00:45Z	**Near Field EMI Probes: Any Good?**
![](https://hackaday.com/wp-content/uploads/2023/01/em.png?w=800)

[Learnelectronics] purchased some near-field EMI probes for his tiny spectrum analyzer for about $5 on sale. Could they be any good at that price? Watch the video below and find […read more](https://hackaday.com/2023/01/03/near-field-emi-probes-any-good/) ⌘ [Read more](https://hackaday.com/2023/01/03/near-field-emi-probes-any-good/)
2023-01-04T09:00:56Z	**Bypass Defective STDP9320 Video Controller on Wacom Cintiq Companion 2**
![](https://hackaday.com/wp-content/uploads/2023/01/cintiq_companion_2_athena_bypass.jpg?w=800)

Some products seem to have a part of two that’s pretty much guaranteed to end up dying on you. In the case of the 2015-vintage Wacom Cintiq Companion 2, this […read more](https://hackaday.com/2023/01/04/bypass-defective-stdp9320-video-controller-on-wacom-cintiq-companion-2/) ⌘ [Read more](https://hackaday.com/2023/01/04/bypass-defective-stdp9320-video-controller-on-wacom-cintiq-companion-2/)
2023-01-04T12:00:38Z	**Squeezing a Minimalist 6502 Retrocomputer Onto a Single Breadboard**
![](https://hackaday.com/wp-content/uploads/2023/01/success.jpg?w=800)

Over the years, and especially lately, we’ve seen tons of single-board retrocomputer builds. That’s fine with us — the more, the merrier. But they all start to run together a […read more](https://hackaday.com/2023/01/04/squeezing-a-minimalist-6502-retrocomputer-onto-a-single-breadboard/) ⌘ [Read more](https://hackaday.com/2023/01/04/squeezing-a-minimalist-6502-retrocomputer-onto-a-single-breadboard/)
2023-01-04T15:00:41Z	**All About USB-C: Resistors And Emarkers**
![](https://hackaday.com/wp-content/uploads/2020/06/USBC.jpg?w=800)

If you’ve been following along our USB-C saga, you know that the CC wire in the USB-C cables is used for communications and polarity detection. However, what’s not as widely […read more](https://hackaday.com/2023/01/04/all-about-usb-c-resistors-and-emarkers/) ⌘ [Read more](https://hackaday.com/2023/01/04/all-about-usb-c-resistors-and-emarkers/)
2023-01-04T16:30:54Z	**A Homebrew SMD Vise Built from Scrap Wood**
![](https://hackaday.com/wp-content/uploads/2023/01/smd.png?w=800)

We don’t see too many wooden projects around these parts, but when [olikraus] turned a few pieces of scrap lumber into a functional SMD vise, how could we not take […read more](https://hackaday.com/2023/01/04/a-homebrew-smd-vise-built-from-scrap-wood/) ⌘ [Read more](https://hackaday.com/2023/01/04/a-homebrew-smd-vise-built-from-scrap-wood/)
2023-01-04T18:00:58Z	**Something’s Rotating in the State of Denmark: A Clock**
![](https://hackaday.com/wp-content/uploads/2023/01/front.png?w=800)

If you visit the Copenhagen City Hall, you’ll see an ornate mechanical clock. By itself, this is unremarkable, of course. There are plenty of ornate clocks in city halls around […read more](https://hackaday.com/2023/01/04/somethings-rotating-in-the-state-of-denmark-a-clock/) ⌘ [Read more](https://hackaday.com/2023/01/04/somethings-rotating-in-the-state-of-denmark-a-clock/)
2023-01-04T19:30:04Z	**Machine Learning Makes Sure Your LOLs Are Genuine**
![](https://hackaday.com/wp-content/uploads/2023/01/LOL-verifier.png?w=800)

There was a time not too long ago when “LOL” actually meant something online. If someone went through the trouble of putting LOL into an email or text, you could […read more](https://hackaday.com/2023/01/04/machine-learning-makes-sure-your-lols-are-genuine/) ⌘ [Read more](https://hackaday.com/2023/01/04/machine-learning-makes-sure-your-lols-are-genuine/)
2023-01-04T21:00:03Z	**An Epic Quest to Build the Ultimate Game Boy**
![](https://hackaday.com/wp-content/uploads/2023/01/dmgc_feat.jpg?w=800)

If you didn’t grow up clutching Nintendo’s original DMG-01 Game Boy, it might difficult to see the appeal in 2023. It had the ergonomics of a brick, the system’s unlit […read more](https://hackaday.com/2023/01/04/an-epic-quest-to-build-the-ultimate-game-boy/) ⌘ [Read more](https://hackaday.com/2023/01/04/an-epic-quest-to-build-the-ultimate-game-boy/)
2023-01-05T00:00:10Z	**Zen and Glowing Air Bubble Displays**
![](https://hackaday.com/wp-content/uploads/2023/01/glowing-air-bubble-3d-display-full-contents-edition-f-ngcs4pkum-webm-shot0001_featured.png?w=800)

When you work in a medium for long enough, and you learn how it works more and more deeply, you eventually become its master. [Yukio Shinoda] is probably master of […read more](https://hackaday.com/2023/01/04/zen-and-glowing-air-bubble-displays/) ⌘ [Read more](https://hackaday.com/2023/01/04/zen-and-glowing-air-bubble-displays/)
2023-01-05T03:00:17Z	**Stewart Platform Keeps Its Eye on the Ball**
![](https://hackaday.com/wp-content/uploads/2023/01/stewart.png?w=800)

Although billed as a balancing robot, [Aaed Musa’s] robot doesn’t balance itself. It balances a ball on a platform. You might recognize this as something called a Stewart platform, and […read more](https://hackaday.com/2023/01/04/stewart-platform-keeps-its-eye-on-the-ball/) ⌘ [Read more](https://hackaday.com/2023/01/04/stewart-platform-keeps-its-eye-on-the-ball/)
2023-01-05T06:00:26Z	**A White-Light Laser, On the Cheap**
![](https://hackaday.com/wp-content/uploads/2023/01/1280x720-vtime11_01-take2023-01-04-13.49.48.png?w=800)

Lasers are known for the monochromatic nature of their light, so much so that you might never have thought there could be such a thing as a white laser. But […read more](https://hackaday.com/2023/01/04/a-white-light-laser-on-the-cheap/) ⌘ [Read more](https://hackaday.com/2023/01/04/a-white-light-laser-on-the-cheap/)
2023-01-05T09:00:00Z	**The Flight Of The Dremel**
![](https://hackaday.com/wp-content/uploads/2023/01/dremel-copter-featured.jpg?w=800)

A few months ago we featured a model aircraft whose power plant came courtesy of an angle grinder. It was the work of [Peter Sripol], and it seems he was […read more](https://hackaday.com/2023/01/05/the-flight-of-the-dremel/) ⌘ [Read more](https://hackaday.com/2023/01/05/the-flight-of-the-dremel/)
2023-01-05T12:00:56Z	**N-O-D-E Unveils Slick Tech News Site**
![](https://hackaday.com/wp-content/uploads/2023/01/mosfet_feat.png?w=800)

There’s probably some axiom in professional journalism that says you shouldn’t give out free advertisement to your competitors — but since none of us have any formal training in this […read more](https://hackaday.com/2023/01/05/n-o-d-e-unveils-slick-tech-news-site-hackaday-editors-suddenly-feel-sweaty/) ⌘ [Read more](https://hackaday.com/2023/01/05/n-o-d-e-unveils-slick-tech-news-site-hackaday-editors-suddenly-feel-sweaty/)
2023-01-05T15:00:39Z	**Excuse Me, Your Tie is Unzipped**
![](https://hackaday.com/wp-content/uploads/2023/01/Ziptie.jpg?w=800)

If you ask your typical handyperson what’s the one thing you need to fix most things, the answer might very well be duct tape. But second place — and first […read more](https://hackaday.com/2023/01/05/excuse-me-your-tie-is-unzipped/) ⌘ [Read more](https://hackaday.com/2023/01/05/excuse-me-your-tie-is-unzipped/)
2023-01-05T16:30:24Z	**A Practical Glue Stick Oscillator**
![](https://hackaday.com/wp-content/uploads/2023/01/glue-stick-osc-featured.jpg?w=800)

A few months ago we brought you some experiments from [Bill Wera, N2CQR], in which he investigated the use of a glue stick as the former for a permeability tuned […read more](https://hackaday.com/2023/01/05/a-practical-glue-stick-oscillator/) ⌘ [Read more](https://hackaday.com/2023/01/05/a-practical-glue-stick-oscillator/)
2023-01-05T18:00:28Z	**The Dawn of Synthetic Milk: When Milk Becomes More Like Beer**
![](https://hackaday.com/wp-content/uploads/2021/10/Milk.jpg?w=800)

What would we do without milk in modern day society? Although lactation originally evolved as a way to provide a newborn mammal with nutrients and the other essentials during the […read more](https://hackaday.com/2023/01/05/the-dawn-of-synthetic-milk-when-milk-becomes-more-like-beer/) ⌘ [Read more](https://hackaday.com/2023/01/05/the-dawn-of-synthetic-milk-when-milk-becomes-more-like-beer/)
2023-01-05T19:30:07Z	**Retrotechtacular: Critical Code Reading, 70s Style**
![](https://hackaday.com/wp-content/uploads/2023/01/programreading_feat.jpg?w=800)

Anyone who has ever made a living writing code has probably had some version of the following drilled into their head: “Always write your code so the next person can […read more](https://hackaday.com/2023/01/05/retrotechtacular-critical-code-reading-70s-style/) ⌘ [Read more](https://hackaday.com/2023/01/05/retrotechtacular-critical-code-reading-70s-style/)
2023-01-05T21:00:00Z	**Replace Your Automatic Transmission With a Bunch of Relays**
![](https://hackaday.com/wp-content/uploads/2023/01/854x480-vtime25_21-take2023-01-04-17.28.10.png?w=800)

A “Check Engine” light on your dashboard could mean anything from a loose gas cap to a wallet-destroying repair in the offing. For [Dean Segovis], his CEL was indicating a […read more](https://hackaday.com/2023/01/05/replace-your-automatic-transmission-with-a-bunch-of-relays/) ⌘ [Read more](https://hackaday.com/2023/01/05/replace-your-automatic-transmission-with-a-bunch-of-relays/)
2023-01-06T00:00:26Z	**New and Improved Arduboy Mini Smashes Funding Goal**
![](https://hackaday.com/wp-content/uploads/2022/12/arduboymini_feat.jpg?w=800)

Just before the holidays, we brought you word of the Arduboy Mini — the latest in the line of open source 8-bit handheld gaming systems designed by [Kevin Bates]. He […read more](https://hackaday.com/2023/01/05/new-and-improved-arduboy-mini-smashes-funding-goal/) ⌘ [Read more](https://hackaday.com/2023/01/05/new-and-improved-arduboy-mini-smashes-funding-goal/)
2023-01-06T03:00:28Z	**PCB Gets Weighty Assignment**
![](https://hackaday.com/wp-content/uploads/2023/01/scale.png?w=800)

[Curious Scientist] tried building an integrated strain gauge on a PCB, but ran into problems. Mainly, the low resistance of the traces didn’t show enough change under strain to measure […read more](https://hackaday.com/2023/01/05/pcb-gets-weighty-assignment/) ⌘ [Read more](https://hackaday.com/2023/01/05/pcb-gets-weighty-assignment/)
2023-01-06T06:00:48Z	**DIY GameTank Game Console Gets Upgraded Cartridge**
![](https://hackaday.com/wp-content/uploads/2023/01/tankcart_feat.jpg?w=800)

Over the summer, you might recall seeing a homebrew 6502 game console called the GameTank grace these pages. The product of [Clyde Shaffer], the system was impressively complete, very well […read more](https://hackaday.com/2023/01/05/diy-gametank-game-console-gets-upgraded-cartridge/) ⌘ [Read more](https://hackaday.com/2023/01/05/diy-gametank-game-console-gets-upgraded-cartridge/)
2023-01-06T09:00:24Z	**Developing an Open Source Bike Computer**
![](https://hackaday.com/wp-content/uploads/2023/01/bike-computer-main.jpg?w=800)

While bicycles appear to have standardized around a relatively common shape and size, parts for these bikes are another story entirely. It seems as though most reputable bike manufacturers are […read more](https://hackaday.com/2023/01/06/developing-an-open-source-bike-computer/) ⌘ [Read more](https://hackaday.com/2023/01/06/developing-an-open-source-bike-computer/)
2023-01-06T12:00:33Z	**Fifteen Flat CRTs and a Bunch of Magnets Make for Interactive Fun**
![](https://hackaday.com/wp-content/uploads/2023/01/Niklas_Roy_Diary_2924.jpg?w=800)

If you were a curious child growing up when TVs were universally equipped with cathode ray tubes, chances are good that you discovered the effect a magnet can have on […read more](https://hackaday.com/2023/01/06/fifteen-flat-crts-and-a-bunch-of-magnets-make-for-interactive-fun/) ⌘ [Read more](https://hackaday.com/2023/01/06/fifteen-flat-crts-and-a-bunch-of-magnets-make-for-interactive-fun/)
2023-01-06T16:30:11Z	**Triple Zone Clock Tells Time In Style**
![](https://hackaday.com/wp-content/uploads/2023/01/triple-zone-clock-800.jpg?w=800)

Although the cutoff for saying ‘Happy New Year’ is somewhere around today, there’s still plenty of time to reminisce about 2022 and all that we accomplished. Hackaday alum [Jeremy Cook] […read more](https://hackaday.com/2023/01/06/triple-zone-clock-tells-time-in-style/) ⌘ [Read more](https://hackaday.com/2023/01/06/triple-zone-clock-tells-time-in-style/)
2023-01-06T17:00:33Z	**Hackaday Podcast 200: Happy New Year, the Ultimate Game Boy, and Python All the Things**
![](https://hackaday.com/wp-content/uploads/2016/05/microphone.jpg?w=800)

This week, Editor-in-Chief Elliot Williams and Managing Editor Tom Nardi ring in the New Year with…well, pretty much the same stuff they do every other week. After taking some time […read more](https://hackaday.com/2023/01/06/hackaday-podcast-200-happy-new-year-the-ultimate-game-boy-and-python ... ⌘ [Read more](https://hackaday.com/2023/01/06/hackaday-podcast-200-happy-new-year-the-ultimate-game-boy-and-python-all-the-things/)
2023-01-06T18:00:50Z	**This Week in Security: Lastpass Takeaway, Bitcoin Loss, and PyTorch**
![](https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800)

We mentioned the LastPass story in closing a couple weeks ago, but details were still a bit scarce. The hope was that LastPass would release more transparent information about what […read more](https://hackaday.com/2023/01/06/this-week-in-security-lastpass-takeaway-bitcoin-loss-and-pytorch/) ⌘ [Read more](https://hackaday.com/2023/01/06/this-week-in-security-lastpass-takeaway-bitcoin-loss-and-pytorch/)
2023-01-06T18:00:43Z	**The Surprisingly Simple Way To Steal Cryptocurrency**
![](https://hackaday.com/wp-content/uploads/2023/01/roulette-wheel-featured.jpg?w=800)

In the news a few days ago, the revelation that Luke Dashjr, a core Bitcoin developer, had his wallet compromised, and lost 200 BTC. A small fortune, and something of […read more](https://hackaday.com/2023/01/06/the-surprisingly-simple-way-to-steal-cryptocurrency/) ⌘ [Read more](https://hackaday.com/2023/01/06/the-surprisingly-simple-way-to-steal-cryptocurrency/)
2023-01-06T19:30:29Z	**MycelioTronics: Biodegradable Electronics Substrates from Fungi**
![A notated illustration showing how a mycelial network may be functionalized as a PCB substrate. The process starts with Cu vapor deposition onto the network followed by Au either by more vapor deposition or electrodeposition. Traces are then cut via laser ablation.](https://hackaday.com/wp-content/uploads/2023/01/sciadv_wide.jpg?w=800)

E-waste is one of the main unfortunate consequences of the widespread ad ... ⌘ [Read more](https://hackaday.com/2023/01/06/myceliotronics-biodegradable-electronics-substrates-from-fungi/)
2023-01-06T21:00:02Z	**Arduino Synthesizer Uses Modified Slide Pots**
![](https://hackaday.com/wp-content/uploads/2023/01/arduino-synth-800.jpeg?w=800)

There comes a point in every Arduino’s life where, if it’s lucky, it becomes a permanent fixture in a project. We can’t think of too many better forever homes for […read more](https://hackaday.com/2023/01/06/arduino-synthesizer-uses-modified-slide-pots/) ⌘ [Read more](https://hackaday.com/2023/01/06/arduino-synthesizer-uses-modified-slide-pots/)
2023-01-07T00:00:29Z	**Is it a Game? Or a Calculator?**
![](https://hackaday.com/wp-content/uploads/2023/01/rockwell.png?w=753)

If you are a certain age, you probably remember the Mattel Football game. No LCD screen or fancy cartridges. Just some LEDs and a way to play football when you […read more](https://hackaday.com/2023/01/06/is-it-a-game-or-a-calculator/) ⌘ [Read more](https://hackaday.com/2023/01/06/is-it-a-game-or-a-calculator/)
2023-01-07T03:00:08Z	**Chataigne: An Open-Source Swiss Army Knife**
![](https://hackaday.com/wp-content/uploads/2023/01/draw-.gif?w=669)

[Ben Kuper] is a developer with a history of working on art installations, and had hit upon a common problem often cited by artists. When creating installations involving light, sound, […read more](https://hackaday.com/2023/01/06/chataigne-an-open-source-swiss-army-knife/) ⌘ [Read more](https://hackaday.com/2023/01/06/chataigne-an-open-source-swiss-army-knife/)
2023-01-07T06:00:27Z	**Salty Refrigeration is Friendly to the Environment**
![](https://hackaday.com/wp-content/uploads/2023/01/Ionocaloric-Cooling.gif?w=800)

Widespread use of refrigerators is a hallmark of modern society, allowing people to store food and enjoy ice and cold beverages. However, a typical refrigerator uses gasses that are not […read more](https://hackaday.com/2023/01/06/salty-refrigeration-is-friendly-to-the-environment/) ⌘ [Read more](https://hackaday.com/2023/01/06/salty-refrigeration-is-friendly-to-the-environment/)
2023-01-07T09:00:38Z	**Printable Case For Pinecil And TS100 Soldering Irons (Mis)Uses A 608 Bearing**
![](https://hackaday.com/wp-content/uploads/2023/01/Pinecil-case-wide.png?w=800)

[PjotrStrog]’s rugged Pinecil / TS100 storage case is the perfect printable accessory to go with a hacker’s choice of either the Pine64 Pinecil, or the Miniware TS100 soldering irons. There […read more](https://hackaday.com/2023/01/07/printable-case-for-pinecil-and-ts100-soldering-irons-misuses-a-608-bear ... ⌘ [Read more](https://hackaday.com/2023/01/07/printable-case-for-pinecil-and-ts100-soldering-irons-misuses-a-608-bearing/)
2023-01-07T12:00:22Z	**Put Your Serial Port on the Web**
![A small brown PCB with various components on it. There is a headphone cable and DC barrel connector cable coming out of it.](https://hackaday.com/wp-content/uploads/2023/01/FS8ZJYXIP45GH09.jpg?w=800)

Today, everything from your computer to your dryer has wireless communications built in, but devices weren’t always so unencumbered by wires. What to do when you have a legacy serial […read more](https://hackaday.com/2023/01/07/put-your-serial-port-on-the-web/) ⌘ [Read more](https://hackaday.com/2023/01/07/put-your-serial-port-on-the-web/)
2023-01-07T15:00:09Z	**Happy New Year, Hackaday!**
![](https://hackaday.com/wp-content/uploads/2023/01/2022review_feat.jpg?w=800)

[Tom Nardi] and I were talking on the podcast about 2022, and how it went from the hacker’s perspective. As the global chip shortage entered its second full year, we […read more](https://hackaday.com/2023/01/07/happy-new-year-hackaday/) ⌘ [Read more](https://hackaday.com/2023/01/07/happy-new-year-hackaday/)
2023-01-07T18:00:59Z	**New Part Day: ESP32-P4 Espressif RISC-V Powerhouse**
![](https://hackaday.com/wp-content/uploads/2023/01/ESp32-P4-featured.jpg?w=800)

It seems every day there’s a new microcontroller announcement for which the manufacturer is keen to secure your eyeballs. Today it’s the turn of Espressif, whose new part is the […read more](https://hackaday.com/2023/01/07/new-part-day-esp32-p4-espressif-risc-v-powerhouse/) ⌘ [Read more](https://hackaday.com/2023/01/07/new-part-day-esp32-p4-espressif-risc-v-powerhouse/)
2023-01-07T21:00:15Z	**Wireless CNC Pendant Implemented With ESP-NOW**
![](https://hackaday.com/wp-content/uploads/2023/01/cnc_pendant_steve_m_potter_featured.jpg?w=800)

As a fervent fan of twiddly and twirly widgets and tactile budgets in a device’s user interface, [Steve M Potter] created a remote control (pendant) for his CNC machine, which […read more](https://hackaday.com/2023/01/07/wireless-cnc-pendant-implemented-with-esp-now/) ⌘ [Read more](https://hackaday.com/2023/01/07/wireless-cnc-pendant-implemented-with-esp-now/)
2023-01-08T00:00:33Z	**Gorgeous Sunflower Macropad Will Grow On You**
![](https://hackaday.com/wp-content/uploads/2023/01/sunflower-pad-featured.jpg?w=800)

Once [Hide-key] saw the likes of the banana and corn macro pads, they knew they had to throw their hat in this strange and wonderful ring. Some family members suggested […read more](https://hackaday.com/2023/01/07/gorgeous-sunflower-macropad-will-grow-on-you/) ⌘ [Read more](https://hackaday.com/2023/01/07/gorgeous-sunflower-macropad-will-grow-on-you/)
2023-01-08T03:00:18Z	**Tiny Robots That Bring Targeted Drug Delivery and Treatment a Little Bit Closer**
![](https://hackaday.com/wp-content/uploads/2023/01/DrugBot.jpg?w=800)

Within the world of medical science fiction they are found everywhere: tiny robots that can zip through blood vessels and intestines, where they can deliver medication, diagnose medical conditions and […read more](https://hackaday.com/2023/01/07/tiny-robots-that-bring-targeted-drug-delivery-and-treatment-a- ... ⌘ [Read more](https://hackaday.com/2023/01/07/tiny-robots-that-bring-targeted-drug-delivery-and-treatment-a-little-bit-closer/)
2023-01-08T06:00:51Z	**Classic Video Chip Drives a Modern TFT**
![](https://hackaday.com/wp-content/uploads/2023/01/8bit-to-tft-featured.jpg?w=800)

A lot of us have a soft spot for retrocomputers, and there’s nothing quite like running original hardware. Unfortunately if you’re after the truly original touch then that means carrying […read more](https://hackaday.com/2023/01/07/classic-video-chip-drives-a-modern-tft/) ⌘ [Read more](https://hackaday.com/2023/01/07/classic-video-chip-drives-a-modern-tft/)
2023-01-08T09:00:16Z	**Release Less Magic Smoke, With a Bulb Limiter**
![](https://hackaday.com/wp-content/uploads/2023/01/bulb-limiter-featured.jpg?w=800)

As electronics have moved lower in voltage, it’s perhaps less common to work on live-mains equipment. Thus particularly among younger hardware hackers it sometimes seems as though such work is […read more](https://hackaday.com/2023/01/08/release-less-magic-smoke-with-a-bulb-limiter/) ⌘ [Read more](https://hackaday.com/2023/01/08/release-less-magic-smoke-with-a-bulb-limiter/)
2023-01-08T12:00:00Z	**The GitHub Silverware Drawer Dilemma, or: Finding Active Repository Forks**
![](https://hackaday.com/wp-content/uploads/2023/01/techgaun_active-forks_screenshot.png?w=800)

An fortunate reality of GitHub and similar sites is that projects that are abandoned by the maintainer are often continued by someone else who forked the project. Unfortunately, the ease […read more](https://hackaday.com/2023/01/08/the-github-silverware-drawer-dilemma-or-finding-active-repository ... ⌘ [Read more](https://hackaday.com/2023/01/08/the-github-silverware-drawer-dilemma-or-finding-active-repository-forks/)
2023-01-08T15:00:15Z	**Forth Cracks RISC-V**
![](https://hackaday.com/wp-content/uploads/2023/01/riscv-forth-featured.jpg?w=800)

Over the decades there have been many programming languages, some of which have flowered briefly, and others that have stuck around despite newer, better, and faster competition. Few languages embody […read more](https://hackaday.com/2023/01/08/forth-cracks-risc-v/) ⌘ [Read more](https://hackaday.com/2023/01/08/forth-cracks-risc-v/)
2023-01-08T18:00:00Z	**Low-Cost 433 MHz Door Sensors Get Open Firmware**
![](https://hackaday.com/wp-content/uploads/2023/01/magfirmware_feat.jpg?w=800)

It’s an unfortunate reality these days that if you see a cheap piece of consumer electronics, there’s a good chance its only cheap because it’s designed to lock you into […read more](https://hackaday.com/2023/01/08/low-cost-433-mhz-door-sensors-get-open-firmware/) ⌘ [Read more](https://hackaday.com/2023/01/08/low-cost-433-mhz-door-sensors-get-open-firmware/)
2023-01-08T21:00:00Z	**Can AI Replace Your DM?**
![](https://hackaday.com/wp-content/uploads/2023/01/DALL·E-2023-01-08-01.49.45-A-game-of-DD-in-progress-fantasy-art-oil-painting-featured.jpg?w=800)

The current hotness is anything to do with artificial intelligence, and along with some interesting experiments comes a lot of mindless hype. The question is, what can it do for […read more](https://hackaday.com/2023/01/08/can-ai-replace-your-gm/) ⌘ [Read more](https://hackaday.com/2023/01/08/can-ai-replace-your-gm/)
2023-01-09T00:00:37Z	**Hackaday Links: January 8, 2023**
![Hackaday Links Column Banner](https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800)

Something odd is afoot in the mountains around Salt Lake City, Utah, at least according to local media reports of remote radio installations that have been popping up for at […read more](https://hackaday.com/2023/01/08/hackaday-links-january-8-2023/) ⌘ [Read more](https://hackaday.com/2023/01/08/hackaday-links-january-8-2023/)
2023-01-09T03:00:07Z	**Building a Giant Remote Controlled Model Airbus A380 in a Year**
![](https://hackaday.com/wp-content/uploads/2023/01/a380-featured.jpg?w=789)

A year ago [Ramy RC] set out on a momentous challenge: to build a 1:21 scale Airbus A380-800 RC model with functional engines, landing gear and all other details. Recently […read more](https://hackaday.com/2023/01/08/building-a-giant-remote-controlled-model-airbus-a380-in-a-year/) ⌘ [Read more](https://hackaday.com/2023/01/08/building-a-giant-remote-controlled-model-airbus-a380-in-a-year/)
2023-01-09T06:00:11Z	**Recreating a numpad for the ADM-3A**
![](https://hackaday.com/wp-content/uploads/2023/01/keypad-featured.jpg?w=800)

[Evan] already had a working ADM-3A (a dumb terminal from 1976) but was starting to eye the accessories hungrily. He had only seen the numpad on Wikipedia and in the […read more](https://hackaday.com/2023/01/08/recreating-a-numpad-for-the-adm-3a/) ⌘ [Read more](https://hackaday.com/2023/01/08/recreating-a-numpad-for-the-adm-3a/)
2023-01-09T09:00:22Z	**Spaceballs Get Serialized**
![](https://hackaday.com/wp-content/uploads/2023/01/orbotron9001.jpg?w=774)

As much as we’d love a TV show version of the cult classic movie, we’re talking about a different kind of Spaceball. While there have been many iterations, [Evan] had […read more](https://hackaday.com/2023/01/09/spaceballs-get-serialized/) ⌘ [Read more](https://hackaday.com/2023/01/09/spaceballs-get-serialized/)
2023-01-09T12:00:21Z	**A Simple Serial Display**
![](https://hackaday.com/wp-content/uploads/2023/01/serial_7_segment_display_8_digits_case-1.jpg?w=800)

Often with more “modern” complex protocols involving handshaking, token exchanges, and all the other hoops and whistles accompanying them, we forget how useful and powerful serial can be. In what […read more](https://hackaday.com/2023/01/09/a-simple-serial-display/) ⌘ [Read more](https://hackaday.com/2023/01/09/a-simple-serial-display/)
2023-01-09T15:00:22Z	**Ask Hackaday: What’s Your Worst Repair Win?**
![](https://hackaday.com/wp-content/uploads/2023/01/WorstRepair.jpg?w=800)

Like many of you, I’ve become the designated “fix-it” person for my family and friends. While it can be a lot of work — I just finished an oil change […read more](https://hackaday.com/2023/01/09/ask-hackaday-whats-your-worst-repair-win/) ⌘ [Read more](https://hackaday.com/2023/01/09/ask-hackaday-whats-your-worst-repair-win/)
2023-01-09T16:30:11Z	**SLS AMG Velomobile**
![A blue Mercedes SLS AMG sports car body with bicycle wheels. The gull wing is open to reveal the spartan interior and the hood is open to reveal an empty engine compartment since this is actually a bike.](https://hackaday.com/wp-content/uploads/2023/01/122266684_1144166182644628_4554224096997033687_n.jpg?w=800)

Many gearheads dream of owning a supercar, but their exorbitant prices make them unattainable for all but the most affluent. [Andrzej Burek] decided to make his dreams come true by […rea ... ⌘ [Read more](https://hackaday.com/2023/01/09/sls-amg-velomobile/)
2023-01-09T18:00:13Z	**All About USB-C: Power Delivery**
![](https://hackaday.com/wp-content/uploads/2020/06/USBC.jpg?w=800)

USB-C eliminates proprietary barrel plug chargers that we’ve been using for laptops and myriads of other devices. It fights proprietary phone charger standards by explicitly making them non-compliant, bullying companies […read more](https://hackaday.com/2023/01/09/all-about-usb-c-power-delivery/) ⌘ [Read more](https://hackaday.com/2023/01/09/all-about-usb-c-power-delivery/)
2023-01-09T19:30:28Z	**Get Pumped for This Miniature Gym**
![3d printed tiny gym in a box with mirror and led strip lighting](https://hackaday.com/wp-content/uploads/2023/01/tiny-gym.png?w=800)

[Duncan McIntyre] lives in the UK but participated in a secret Santa gift exchange for his Dutch friends’ Sinterklaas celebration. In traditional maker fashion, [Duncan] went overboard and created a […read more](https://hackaday.com/2023/01/09/get-pumped-for-this-miniature-gym/) ⌘ [Read more](https://hackaday.com/2023/01/09/get-pumped-for-this-miniature-gym/)
2023-01-09T21:00:00Z	**You Can Now Fix Your Deere**
![](https://hackaday.com/wp-content/uploads/2023/01/deere-repair-featured.jpg?w=800)

Over the last few years we have brought you many stories about John Deere tractors, and how their repair has been locked down such that only manufacturer-authorised technicians can work […read more](https://hackaday.com/2023/01/09/you-can-now-fix-your-deere/) ⌘ [Read more](https://hackaday.com/2023/01/09/you-can-now-fix-your-deere/)
2023-01-10T00:00:19Z	**Clever Mechanism Makes a Linear Control from a Rotary Hall Sensor**
![](https://hackaday.com/wp-content/uploads/2023/01/imagen-8.png?w=800)

Every once in a while we stumble across something so simple yet so clever that we just have to call it out. This custom linear Hall effect sensor is a […read more](https://hackaday.com/2023/01/09/clever-mechanism-makes-a-linear-control-from-a-rotary-hall-sensor/) ⌘ [Read more](https://hackaday.com/2023/01/09/clever-mechanism-makes-a-linear-control-from-a-rotary-hall-sensor/)
2023-01-10T03:00:25Z	**IoT Archaeology Leads To API Resurrection**
![](https://hackaday.com/wp-content/uploads/2023/01/nyctrainsign-featured.jpg?w=800)

What happens when someone’s personal project is turned into a startup which becomes something of a publicity darling, then collapses with very little product shipped and takes all its customers’ […read more](https://hackaday.com/2023/01/09/iot-archaeology-leads-to-api-resurrection/) ⌘ [Read more](https://hackaday.com/2023/01/09/iot-archaeology-leads-to-api-resurrection/)
2023-01-10T06:00:52Z	**Wipe On, Wipe Off: Make Your Own Rain Repellent**
![](https://hackaday.com/wp-content/uploads/2023/01/rain-x-800.jpeg?w=800)

Once upon a time, we drove an old six-volt VW Beetle. One sad day, the wiper motor went out, and as this happened before the Internet heyday, there were no […read more](https://hackaday.com/2023/01/09/wipe-on-wipe-off-make-your-own-rain-repellent/) ⌘ [Read more](https://hackaday.com/2023/01/09/wipe-on-wipe-off-make-your-own-rain-repellent/)
2023-01-10T09:00:50Z	**Human-Powered Strandbeest**
![TV personality and maker, Adam Savage, sits on a chair attached to a milk crate on wheels. It is situated inside an assortment of steel tubes forming the legs and body of a strandbeest walking machine.](https://hackaday.com/wp-content/uploads/2023/01/Adam-Savages-One-Day-Builds-Pedal-Powered-Strandbeest-YouTube-16-29.jpeg?w=800)

Once you’ve seen a strandbeest, it’s hard to forget the mesmerizing movement of its mechanical limbs. [Adam Savage] built a pedal-powered strandbeest in ( ... ⌘ [Read more](https://hackaday.com/2023/01/10/human-powered-strandbeest/)
2023-01-10T12:00:44Z	**Tetris Joins Minecraft and DOOM In Running a Computer**
![](https://hackaday.com/wp-content/uploads/2023/01/tetris-computer-featured.jpg?w=800)

There is a select group of computer games whose in-game logic is enough for them to simulate computers in themselves. We’ve seen it in Minecraft and DOOM, and now there’s […read more](https://hackaday.com/2023/01/10/tetris-joins-minecraft-and-doom-in-running-a-computer/) ⌘ [Read more](https://hackaday.com/2023/01/10/tetris-joins-minecraft-and-doom-in-running-a-computer/)
2023-01-10T15:00:38Z	**The Intricacies of Creating Fuel for Nuclear Reactors**
![](https://hackaday.com/wp-content/uploads/2023/01/NuclearFuel.jpg?w=800)

All nuclear fission power reactors run on fuel containing uranium and other isotopes, but fueling a nuclear reactor is a lot more complicated than driving up to them with a […read more](https://hackaday.com/2023/01/10/the-intricacies-of-creating-fuel-for-nuclear-reactors/) ⌘ [Read more](https://hackaday.com/2023/01/10/the-intricacies-of-creating-fuel-for-nuclear-reactors/)
2023-01-10T16:30:23Z	**Roll-On Deodorant Controller Heats Up Racing Game**
![](https://hackaday.com/wp-content/uploads/2023/01/underarmadillo-800.jpeg?w=800)

What do you get when you combine roll-on deodorant containers and a soccer ball with an optical mouse and an obscure 90s Japanese video game about racing armadillos? Well, you […read more](https://hackaday.com/2023/01/10/roll-on-deodorant-controller-heats-up-racing-game/) ⌘ [Read more](https://hackaday.com/2023/01/10/roll-on-deodorant-controller-heats-up-racing-game/)
2023-01-10T18:02:59Z	**Supercon 2022: Samy Kamkar’s Glowing Breath**
![](https://hackaday.com/wp-content/uploads/2023/01/samy-kamkar-supercon-2022-mhzri38dqv4-mkv-shot0002_featured.png?w=800)

Sometimes the journey itself is the destination. This one started when [Samy] was 10 and his mom bought a computer. He logged on to IRC to talk with people about […read more](https://hackaday.com/2023/01/10/supercon-2022-samy-kamkars-glowing-breath/) ⌘ [Read more](https://hackaday.com/2023/01/10/supercon-2022-samy-kamkars-glowing-breath/)
2023-01-10T19:30:42Z	**Virgin Not-Quite-Orbit-Yet**
![](https://hackaday.com/wp-content/uploads/2023/01/virgin-orbit-featured.jpg?w=800)

A country’s first orbital satellite launch from home soil is a proud moment, even when as is the case with Virgin Orbit, it’s not from the soil itself but from […read more](https://hackaday.com/2023/01/10/virgin-not-quite-orbit-yet/) ⌘ [Read more](https://hackaday.com/2023/01/10/virgin-not-quite-orbit-yet/)
2023-01-10T21:00:13Z	**ImHex: An Open Hex Editor for the Modern Hacker**
![](https://hackaday.com/wp-content/uploads/2023/01/imhex_feat.png?w=800)

It’s little surprise that most hackers have a favorite text editor, since we tend to spend quite a bit of time staring at the thing. From writing code to reading […read more](https://hackaday.com/2023/01/10/imhex-an-open-hex-editor-for-the-modern-hacker/) ⌘ [Read more](https://hackaday.com/2023/01/10/imhex-an-open-hex-editor-for-the-modern-hacker/)
2023-01-11T00:00:43Z	**Arduino-Powered Info Display For Your Windows Computer**
![A small 16x2 LCD display housed in a green and yellow hobby box.](https://hackaday.com/wp-content/uploads/2023/01/pcnotification_hackaday_feature.jpg?w=800)

If you’ve been pining for a retro-chic 16×2 LCD display to enhance your Windows computing experience, then [mircemk] has got you covered with their neat Windows-based LCD Info Panel. Your […read more](https://hackaday.com/2023/01/10/arduino-powered-info-display-for-your ... ⌘ [Read more](https://hackaday.com/2023/01/10/arduino-powered-info-display-for-your-windows-computer/)
2023-01-11T03:00:00Z	**Adventures In Robotic Safe Cracking**
![A robotic machine turning the wheel of a safe](https://hackaday.com/wp-content/uploads/2023/01/robotsafecracker_hackaday_feature.gif?w=766)

When [Zach Hipps] was faced with a locked safe and no combination, it seemed like calling a locksmith was the only non-destructive option. Well, that or doing something crazy like […read more](https://hackaday.com/2023/01/10/adventures-in-robotic-safe-cracking/) ⌘ [Read more](https://hackaday.com/2023/01/10/adventures-in-robotic-safe-cracking/)
2023-01-11T06:00:24Z	**CUTTING CABLES CURES TANGLED CORD CHAOS**
![](https://hackaday.com/wp-content/uploads/2023/01/TonieBox_01_featured.png?w=800)

The Toniebox is a toy that plays stories and songs for kids to listen to. Audio content can be changed by placing different NFC enabled characters that magnetically attach to […read more](https://hackaday.com/2023/01/10/cutting-cables-cures-tangled-cord-chaos/) ⌘ [Read more](https://hackaday.com/2023/01/10/cutting-cables-cures-tangled-cord-chaos/)
2023-01-11T09:00:44Z	**An All-Billet, Single-Piece, Flexure-Based Nutcracker**
![](https://hackaday.com/wp-content/uploads/2023/01/Machining-a-Flexure-Nutcracker-0-9-screenshot-1.png?w=800)

Typical nutcrackers rely on simple pin hinges to join two handles for the cracking task. However, [adam the machinist] has demonstrated that a single-piece nutcracker is possible by using the […read more](https://hackaday.com/2023/01/11/an-all-billet-single-piece-flexure-based-nutcracker/) ⌘ [Read more](https://hackaday.com/2023/01/11/an-all-billet-single-piece-flexure-based-nutcracker/)
2023-01-11T12:00:00Z	**Variable Width 3D Printing the Hard Way**
![](https://hackaday.com/wp-content/uploads/2023/01/mag7.png?w=800)

The problem: you want to produce varying line thicknesses when 3D printing. The solution, if you are the Liqtra company, appears to be to put seven print heads together and […read more](https://hackaday.com/2023/01/11/variable-width-3d-printing-the-hard-way/) ⌘ [Read more](https://hackaday.com/2023/01/11/variable-width-3d-printing-the-hard-way/)
2023-01-11T15:00:06Z	**Wizards Slay the Dragon that Lays the Golden Egg**
![](https://hackaday.com/wp-content/uploads/2023/01/OpenGaming.jpg?w=800)

Hail, and well met adventurers! There’s rumors of dark dealings, and mysterious machinations from that group of Western mystics, Wizards of the Coast (WotC). If this pernicious plot is allowed […read more](https://hackaday.com/2023/01/11/wizards-slay-the-dragon-that-lays-the-golden-egg/) ⌘ [Read more](https://hackaday.com/2023/01/11/wizards-slay-the-dragon-that-lays-the-golden-egg/)
2023-01-11T16:30:58Z	**Walk-Bot is a Navigation Device for the Vision-Impaired**
![](https://hackaday.com/wp-content/uploads/2023/01/6361811672891389780-2-e1673414096910.jpg?w=800)

For the vision impaired, there are a wide variety of tools and techniques used to navigate around in the real world. Walk-bot is a device that aims to help with […read more](https://hackaday.com/2023/01/11/walk-bot-is-a-navigation-device-for-the-vision-impaired/) ⌘ [Read more](https://hackaday.com/2023/01/11/walk-bot-is-a-navigation-device-for-the-vision-impaired/)
2023-01-11T19:30:44Z	**Dead Washer Lives Again with ATTiny**
![](https://hackaday.com/wp-content/uploads/2023/01/wash.png?w=800)

We aren’t saying that appliances are a scam, but we have noticed that when your appliances fail, there’s a good chance it will be some part you can no longer […read more](https://hackaday.com/2023/01/11/dead-washer-lives-again-with-attiny/) ⌘ [Read more](https://hackaday.com/2023/01/11/dead-washer-lives-again-with-attiny/)
2023-01-11T21:00:42Z	**Building a Homemade Ambient Pressure Submarine**
![](https://hackaday.com/wp-content/uploads/2023/01/little_yellow_ambient_pressure_submarine_feature.jpg?w=800)

About two years ago, [Hyperspace Pirate] set to work on building his own two-seater submarine, because who doesn’t want to have a submarine when you have just moved to Florida? […read more](https://hackaday.com/2023/01/11/building-a-homemade-ambient-pressure-submarine/) ⌘ [Read more](https://hackaday.com/2023/01/11/building-a-homemade-ambient-pressure-submarine/)
2023-01-12T00:00:41Z	**NASA Help Wanted: Telescope Optional**
![](https://hackaday.com/wp-content/uploads/2023/01/nasa.png?w=800)

If you’ve ever wanted to work for NASA, here’s your chance. Well, don’t expect a paycheck or any benefits, but the Agency is looking for volunteers to help process the […read more](https://hackaday.com/2023/01/11/nasa-help-wanted-telescope-optional/) ⌘ [Read more](https://hackaday.com/2023/01/11/nasa-help-wanted-telescope-optional/)
2023-01-12T03:00:00Z	**Lunar Rover is No Toy**
![](https://hackaday.com/wp-content/uploads/2023/01/soraq.png?w=800)

When you think of Tomy — more properly, Takara Tomy — you think of toys and models from Japan. After all, they have made models and toys as iconic as […read more](https://hackaday.com/2023/01/11/lunar-rover-is-no-toy/) ⌘ [Read more](https://hackaday.com/2023/01/11/lunar-rover-is-no-toy/)
2023-01-12T06:00:13Z	**3D Printed Wind Turbine Has All the Features, Just Smaller**
![](https://hackaday.com/wp-content/uploads/2023/01/1280x720-vtime11_47-take2023-01-11-17.25.16.png?w=800)

For anyone with even the slightest bit of engineering interest, wind turbines are hard to resist. Everything about them is just so awesome, in the literal sense of the word […read more](https://hackaday.com/2023/01/11/3d-printed-wind-turbine-has-all-the-features-just-smaller/) ⌘ [Read more](https://hackaday.com/2023/01/11/3d-printed-wind-turbine-has-all-the-features-just-smaller/)
2023-01-12T09:00:50Z	**Organic Fibonacci Clock Is All About The Spiral**
![](https://hackaday.com/wp-content/uploads/2023/01/FNXF3GZLCS1A79N-e1673504755392.jpg?w=800)

Whether you’re a fan of compelling Tool songs, or merely appreciate mathematical beauty, you might be into the spirals defined by the Fibonacci sequence. [RuddK5] used the Fibonacci curve as […read more](https://hackaday.com/2023/01/12/organic-fibonacci-clock-is-all-about-the-spiral/) ⌘ [Read more](https://hackaday.com/2023/01/12/organic-fibonacci-clock-is-all-about-the-spiral/)
2023-01-12T12:00:00Z	**3D Printer Filament from Reel-to-Reel Audio Tapes**
![plantpot made from recycled audio tape filament in a 3D printer. Pot contains a succulent plant and is surrounded by tape](https://hackaday.com/wp-content/uploads/2023/01/big_9153361673251388403-1.png?w=800)

At heart, 3D printers are just machines that can melt plastic “wire” into interesting shapes. It’s well-known and oft-lamented that plastic of various sorts has been used to make all […read more](https://hackaday.com/2023/01/12/3 ... ⌘ [Read more](https://hackaday.com/2023/01/12/3d-printer-filament-from-reel-to-reel-audio-tapes/)
2023-01-12T15:00:37Z	**AI-Controlled Twitch V-Tuber Has More Followers Than You**
![](https://hackaday.com/wp-content/uploads/2023/01/gvpxojlguk3zgywm-mp4-shot0002.jpg?w=640)

Surely we have all at least heard of Twitch by now. For the as-yet uninitiated: imagine you had your own TV channel. What would you do on it? Although Twitch […read more](https://hackaday.com/2023/01/12/ai-controlled-twitch-v-tuber-has-more-followers-than-you/) ⌘ [Read more](https://hackaday.com/2023/01/12/ai-controlled-twitch-v-tuber-has-more-followers-than-you/)
2023-01-12T16:30:00Z	**DIY Game Boy Games Make The Perfect Christmas Gift**
![](https://hackaday.com/wp-content/uploads/2023/01/tIKg.jpeg?w=800)

Sometimes, the best gift is the one you make yourself. [Pigeonaut] decided to whip up a few Game Boy games of their very own creation to gift to the special […read more](https://hackaday.com/2023/01/12/diy-game-boy-games-make-the-perfect-christmas-gift/) ⌘ [Read more](https://hackaday.com/2023/01/12/diy-game-boy-games-make-the-perfect-christmas-gift/)
2023-01-12T18:00:51Z	**3D Printering: Can You Ever Have Enough Vitamins?**
![Art of 3D printer in the middle of printing a Hackaday Jolly Wrencher logo](https://hackaday.com/wp-content/uploads/2020/02/3D-Printering-Header-New.jpg?w=800)

As a community we owe perhaps more than we realise to the RepRap project. From it we get not only a set of open-source printer designs, but that 3D printing […read more](https://hackaday.com/2023/01/12/3d-printering-can-you-ever-have-enough-vitamins/) ⌘ [Read more](https://hackaday.com/2023/01/12/3d-printering-can-you-ever-have-enough-vitamins/)
2023-01-12T19:30:45Z	**Java Is Now On The Nintendo 64!**
![](https://hackaday.com/wp-content/uploads/2023/01/nintendo64_java-1-e1673502976282.jpeg?w=800)

Whether it’s your favorite programming language, or your favorite beverage, there’s no denying Java is everywhere. Now, it’s even on the Nintendo 64, thanks to the valiant efforts of [Mike […read more](https://hackaday.com/2023/01/12/java-is-now-on-the-nintendo-64/) ⌘ [Read more](https://hackaday.com/2023/01/12/java-is-now-on-the-nintendo-64/)
2023-01-12T21:00:40Z	**Celebrating a Decade of Bootleg Hackaday Merch**
![](https://hackaday.com/wp-content/uploads/2023/01/hadshirt_feat.jpg?w=800)

A listener of the podcast recently wrote in to tell us that, in the process of trying to purchase a legitimate Hackaday t-shirt, they discovered this 2012 Instructable from [yeltrow] […read more](https://hackaday.com/2023/01/12/celebrating-a-decade-of-bootleg-hackaday-merch/) ⌘ [Read more](https://hackaday.com/2023/01/12/celebrating-a-decade-of-bootleg-hackaday-merch/)
2023-01-13T00:00:40Z	**Making The One Ring By Electroplating Gold On A 3D Print**
![](https://hackaday.com/wp-content/uploads/2023/01/Electroplating-3D-Prints-_-Rings-6-6-screenshot-1-e1673504279802.png?w=800)

Electroplating is a great way to add strength or shine to a 3D print. However, we don’t see too many people trying it with gold. [HEN3DRIK] isn’t afraid to experiment, […read more](https://hackaday.com/2023/01/12/making-the-one-ring-by-electroplating-gold-on-a-3d-print/) ⌘ [Read more](https://hackaday.com/2023/01/12/making-the-one-ring-by-electroplating-gold-on-a-3d-print/)
2023-01-13T03:00:43Z	**Robotic Acrobot Aces The Moves**
![](https://hackaday.com/wp-content/uploads/2023/01/acrobotics_featured.png?w=800)

[Daniel Simu] is a performance artist, among many other things, and does acrobatic shows, quite often with a partner “flyer”. Training for his acts gets interrupted if his flyer partner […read more](https://hackaday.com/2023/01/12/robotic-acrobot-aces-the-moves/) ⌘ [Read more](https://hackaday.com/2023/01/12/robotic-acrobot-aces-the-moves/)
2023-01-13T06:00:50Z	**Maxing Out Your MacIntosh With a 4 MB Memory Stick Kit**
![](https://hackaday.com/wp-content/uploads/2023/01/4MB_SIMM_kit_featured.jpg?w=800)

One fun aspect of retrocomputing is that you get to max out all aspects of these systems without having to take out a bank loan, as tended to be the […read more](https://hackaday.com/2023/01/12/maxing-out-your-macintosh-with-a-4-mb-memory-stick-kit/) ⌘ [Read more](https://hackaday.com/2023/01/12/maxing-out-your-macintosh-with-a-4-mb-memory-stick-kit/)
2023-01-13T09:00:59Z	**Sensor Glove Translates Sign Language**
![](https://hackaday.com/wp-content/uploads/2023/01/proto.jpg?w=800)

Sign language is a language that uses the position and motion of the hands in place of sounds made by the vocal tract. If one could readily capture those hand […read more](https://hackaday.com/2023/01/13/sensor-glove-translates-sign-language/) ⌘ [Read more](https://hackaday.com/2023/01/13/sensor-glove-translates-sign-language/)
2023-01-13T12:00:39Z	**Fixing an HP 54542C with an FPGA and VGA Display**
![](https://hackaday.com/wp-content/uploads/2023/01/54542C_feat.jpg?w=800)

Although the HP 54542C oscilloscope and its siblings are getting on in years, they’re still very useful today. Unfortunately, as some of the first oscilloscopes to switch from a CRT […read more](https://hackaday.com/2023/01/13/fixing-an-hp-54542c-with-an-fpga-and-vga-display/) ⌘ [Read more](https://hackaday.com/2023/01/13/fixing-an-hp-54542c-with-an-fpga-and-vga-display/)
2023-01-13T15:00:29Z	**This Week in Security: Cacti RCE**
![](https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800)

This week we start with a Remote Code Execution (RCE) vulnerability that has potential to be a real pain for sysadmins. Cacti, the system monitoring and graphing solution, has a […read more](https://hackaday.com/2023/01/13/this-week-in-security-cacti-rce/) ⌘ [Read more](https://hackaday.com/2023/01/13/this-week-in-security-cacti-rce/)
2023-01-13T16:30:43Z	**Concrete Coffee Table Can Take a Beating**
![](https://hackaday.com/wp-content/uploads/2023/01/FQLN3DWLCG8R31R-e1673505254364.jpg?w=800)

A good coffee table should have a hard-wearing surface and some serious heft to it. This build from [designcoyxe] hits both those criteria with its concrete-based design. To create the […read more](https://hackaday.com/2023/01/13/concrete-coffee-table-can-take-a-beating/) ⌘ [Read more](https://hackaday.com/2023/01/13/concrete-coffee-table-can-take-a-beating/)
2023-01-13T17:00:50Z	**Hackaday Podcast 201: Faking a Transmission, Making Nuclear Fuel, and a Slidepot With a Twist**
![](https://hackaday.com/wp-content/uploads/2016/05/microphone.jpg?w=800)

Even for those with paraskevidekatriaphobia, today is your lucky day as Editor-in-Chief Elliot Williams and Staff Writer Dan Maloney sit under ladders with umbrellas while holding black cats to talk […read more](https://hackaday.com/2023/01/13/hackaday-podcast-201-faking-a-transm ... ⌘ [Read more](https://hackaday.com/2023/01/13/hackaday-podcast-201-faking-a-transmission-making-nuclear-fuel-and-a-slidepot-with-a-twist/)
2023-01-13T18:00:37Z	**A medieval Gothic Monastery built using CAD / CAM**
![](https://hackaday.com/wp-content/uploads/2023/01/carmelite_monastery_featured.png?w=800)

Just because you’re a monk doesn’t mean you can’t use CAD. The Carmelite monks of Wyoming are building a grandiose Gothic Monastery, and it’s awe inspiring how they are managing […read more](https://hackaday.com/2023/01/13/a-medieval-gothic-monastery-built-using-cad-cam/) ⌘ [Read more](https://hackaday.com/2023/01/13/a-medieval-gothic-monastery-built-using-cad-cam/)
2023-01-13T19:30:32Z	**DIY Fiber Laser Adds Metal Cutting to the Mix**
![](https://hackaday.com/wp-content/uploads/2023/01/1280x720-vtime0_19-take2023-01-12-16.40.24.png?w=800)

Sadly, the usual CO2-powered suspects in the DIY laser cutter market are woefully incapable of cutting metal. Sure, they’ll cut the heck out of plywood and acrylic, and most will […read more](https://hackaday.com/2023/01/13/diy-fiber-laser-adds-metal-cutting-to-the-mix/) ⌘ [Read more](https://hackaday.com/2023/01/13/diy-fiber-laser-adds-metal-cutting-to-the-mix/)
2023-01-13T21:00:50Z	**Arduino Library Brings rtl_433 to the ESP32**
![](https://hackaday.com/wp-content/uploads/2023/01/esp433_feat.jpg?w=800)

If you have an RTL-SDR compatible radio there’s an excellent chance you’ve heard of the rtl\_433 project, which lets you receive and decode signals from an ever-expanding list of supported […read more](https://hackaday.com/2023/01/13/arduino-library-brings-rtl_433-to-the-esp32/) ⌘ [Read more](https://hackaday.com/2023/01/13/arduino-library-brings-rtl_433-to-the-esp32/)
2023-01-14T00:00:07Z	**An E-Ink Progress Bar for Your Unborn Child**
![](https://hackaday.com/wp-content/uploads/2023/01/babyeink_feat.jpg?w=800)

Having a child is a major milestone in a person’s life, and there’s a long list of things to get done before that little bundle of joy kicks and screams […read more](https://hackaday.com/2023/01/13/an-e-ink-progress-bar-for-your-unborn-child/) ⌘ [Read more](https://hackaday.com/2023/01/13/an-e-ink-progress-bar-for-your-unborn-child/)
2023-01-14T03:00:34Z	**Detecting Algal Blooms with the Help of AI**
![A blue enclosure with "IoT AI-assisted Deep Algae Bloom Detector w/Blues Wireless" written on the front. Two black cables run over a wooden desk to a cylinder with rocks on the bottom and filled with murky water. A bookshelf lurks in the background.](https://hackaday.com/wp-content/uploads/2023/01/image_mU998CU2z5.png?w=800)

Harmful Algal Blooms (HABs) can have negative consequences for both marine life and human health, so it can be helpful to ha ... ⌘ [Read more](https://hackaday.com/2023/01/13/detecting-algal-blooms-with-the-help-of-ai/)
2023-01-14T06:00:29Z	**Swap the Clock Chip on the Mac SE/30 with an ATTiny85**
![](https://hackaday.com/wp-content/uploads/2023/01/macrtc_feat2.jpg?w=800)

As [Phil Greenland] explains in the first part of his excellent write-up, the lithium battery used to keep the real-time clock (RTC) going on the Macintosh SE/30 has a nasty […read more](https://hackaday.com/2023/01/13/swap-the-clock-chip-on-the-mac-se-30-with-an-attiny85/) ⌘ [Read more](https://hackaday.com/2023/01/13/swap-the-clock-chip-on-the-mac-se-30-with-an-attiny85/)
2023-01-14T09:00:44Z	**Increasing PV Solar Cell Efficiency Through Cooling**
![](https://hackaday.com/wp-content/uploads/2023/01/pv_solar_panel_cooling.jpg?w=800)

An unavoidable aspect of photovoltaic (PV) solar panels is that they become less efficient when they warm up. As [Tech Ingredients] explains in a new video, the reason for this […read more](https://hackaday.com/2023/01/14/increasing-pv-solar-cell-efficiency-through-cooling/) ⌘ [Read more](https://hackaday.com/2023/01/14/increasing-pv-solar-cell-efficiency-through-cooling/)
2023-01-14T12:00:29Z	**DIY Magnet Handling Tool Puts An End To Placement Errors**
![](https://hackaday.com/wp-content/uploads/2023/01/magnet-placer.png?w=600)

I’m sure we can all agree that the worst time to find out a magnet is the wrong way around is after glue has been applied. With that in mind, [erick.siders] […read more](https://hackaday.com/2023/01/14/diy-magnet-handling-tool-puts-an-end-to-placement-errors/) ⌘ [Read more](https://hackaday.com/2023/01/14/diy-magnet-handling-tool-puts-an-end-to-placement-errors/)
2023-01-14T15:00:13Z	**Too Many Pixels**
![](https://hackaday.com/wp-content/uploads/2020/01/VintagePhone.jpg?w=800)

Sometimes simpler is more impressive than complicated, and part of this is certainly due to Arthur C. Clarke’s third law: “Any sufficiently advanced technology is indistinguishable from magic.”. It’s counter-intuitive, […read more](https://hackaday.com/2023/01/14/too-many-pixels/) ⌘ [Read more](https://hackaday.com/2023/01/14/too-many-pixels/)
2023-01-14T18:00:29Z	**Homebrew Telephone Exchange Keeps the Family in Touch, in the House and Beyond**
![](https://hackaday.com/wp-content/uploads/2023/01/PXL_20221227_065647678_2_1200.jpg?w=800)

It doesn’t happen often, but every once in a while we stumble upon someone who has taken obsolete but really cool phone-switching equipment and built a private switched telephone in […read more](https://hackaday.com/2023/01/14/homebrew-telephone-exchange-keeps-the-family-in-touch-in-the-h ... ⌘ [Read more](https://hackaday.com/2023/01/14/homebrew-telephone-exchange-keeps-the-family-in-touch-in-the-house-and-beyond/)
2023-01-14T21:00:50Z	**Make Your Own Pot and Encoder Knobs, Without Reinventing Them**
![](https://hackaday.com/wp-content/uploads/2023/01/687474703a2f2f626c6f672e746f6d6d792e73682f636f6e74656e742f64657369676e696e672d706f74656e74696f6d657465722d6b6e6f62732f6b6e6f62732d6574632d313230302e6a7067.jpg?w=800)

Rotary potentiometers, switches, and encoders all share a basic design: adjustment is done via a shaft onto which a knob is attached, and knobs are sold separately. That doesn’t mean […read more](ht ... ⌘ [Read more](https://hackaday.com/2023/01/14/make-your-own-pot-and-encoder-knobs-without-reinventing-them/)
2023-01-15T00:00:53Z	**Smart LED Curtain Brings Sprites To Your Windows**
![Illuminated smart curtain in front of a window, beside a Christmas tree](https://hackaday.com/wp-content/uploads/2023/01/2364481673163673079-1.jpg?w=800)

Anybody who has ever seen a video wall (and who hasn’t?) will be familiar with the idea of making large-scale illuminated images from individual coloured lights. But how many of […read more](https://hackaday.com/2023/01/14/smart-led-curtain-brings-sprites-to-your-windows/) ⌘ [Read more](https://hackaday.com/2023/01/14/smart-led-curtain-brings-sprites-to-your-windows/)
2023-01-15T03:00:08Z	**Conductive Ink Based on a Simple Idea**
![](https://hackaday.com/wp-content/uploads/2023/01/polymer.png?w=800)

There’s an old series of jokes that starts with: “How do you put an elephant in a refrigerator?” The answer is to open the door, put the elephant inside, and […read more](https://hackaday.com/2023/01/14/conductive-ink-based-on-a-simple-idea/) ⌘ [Read more](https://hackaday.com/2023/01/14/conductive-ink-based-on-a-simple-idea/)
2023-01-15T06:00:37Z	**A Number Maze For Younger Hackers**
![](https://hackaday.com/wp-content/uploads/2023/01/numbermazefront.jpg?w=800)

[David Johnson-Davies] has a lofty goal of building a small device to give to younger hackers on a semi-yearly basis. So this last year, he designed and created The Number […read more](https://hackaday.com/2023/01/14/a-number-maze-for-younger-hackers/) ⌘ [Read more](https://hackaday.com/2023/01/14/a-number-maze-for-younger-hackers/)
2023-01-15T09:00:09Z	**Microsoft Returns to the Altair**
![](https://hackaday.com/wp-content/uploads/2023/01/altair.png?w=800)

The Altair 8800 arguably launched Microsoft. Now [Dave Glover] from Microsoft offers an emulated and potentially cloud-based Altair emulation with CP/M and Microsoft Basic. You can see a video of […read more](https://hackaday.com/2023/01/15/microsoft-returns-to-the-altair/) ⌘ [Read more](https://hackaday.com/2023/01/15/microsoft-returns-to-the-altair/)
2023-01-15T12:00:15Z	**A Flex Sensor For A Glove Controller Using An LDR**
![](https://hackaday.com/wp-content/uploads/2023/01/glove-sensor-featured.jpg?w=800)

When most of us think of glove controllers, the first which comes to mind is Nintendo’s PowerGlove, which promised much more than it delivered. But the idea persists, and from […read more](https://hackaday.com/2023/01/15/a-flex-sensor-for-a-glove-controller-using-an-ldr/) ⌘ [Read more](https://hackaday.com/2023/01/15/a-flex-sensor-for-a-glove-controller-using-an-ldr/)
2023-01-15T15:00:48Z	**Inside the Atari 2600**
![](https://hackaday.com/wp-content/uploads/2023/01/2600.png?w=800)

The Atari 2600 was an extremely popular yet very simple game console back in the 1970s. They sold, apparently, over 30 million of them, and, of course, these things broke. […read more](https://hackaday.com/2023/01/15/inside-the-atari-2600/) ⌘ [Read more](https://hackaday.com/2023/01/15/inside-the-atari-2600/)
2023-01-15T18:00:24Z	**Giving an Old Typewriter a Mind of Its Own with GPT-3**
![](https://hackaday.com/wp-content/uploads/2023/01/Screenshot-2023-01-14-at-17-25-38-MDZtjPgMzqcfJtIJ.mp4.png?w=800)

There was an all-too-brief period in history where typewriters went from clunky, purely mechanical beasts to streamlined, portable electromechanical devices. But when the 80s came around and the PC revolution […read more](https://hackaday.com/2023/01/15/giving-an-old-typewriter-a-mind-of-its-own-with-gpt-3/) ⌘ [Read more](https://hackaday.com/2023/01/15/giving-an-old-typewriter-a-mind-of-its-own-with-gpt-3/)
2023-01-15T21:00:18Z	**Stadia Says Goodbye With Bluetooth and Crap Game**
![](https://hackaday.com/wp-content/uploads/2023/01/stadia_feat.jpg?w=800)

In just a few days time, Google’s Stadia game streaming service will finally shut down for good. But not for any technical reason, mind you. Microsoft has managed to demonstrate […read more](https://hackaday.com/2023/01/15/stadia-says-goodbye-with-bluetooth-and-crap-game/) ⌘ [Read more](https://hackaday.com/2023/01/15/stadia-says-goodbye-with-bluetooth-and-crap-game/)
2023-01-16T00:00:15Z	**Hackaday Links: January 15, 2023**
![Hackaday Links Column Banner](https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800)

It looks like the Martian winter may have claimed another victim, with reports that Chinese ground controllers have lost contact with the Zhurong rover. The solar-powered rover was put into […read more](https://hackaday.com/2023/01/15/hackaday-links-january-15-2023/) ⌘ [Read more](https://hackaday.com/2023/01/15/hackaday-links-january-15-2023/)
2023-01-16T03:00:59Z	**Designing Aesthetically-Pleasing PCBs**
![An ATX motherboard sits on a grey surface with the I/O in the foreground. Behind the I/O is a large image of Tux, the Linux penguin, taking up most of the PCB and winding its way around different components on the board. Tux is part of the PCB itself, with his feet, beak, and outline in gold, body in black silkscreen, and belly in green soldermask.](https://hackaday.com/wp-content/uploads/2023/01/3403181670777869993.jpg?w=800)

We’ve seen our share of custom ... ⌘ [Read more](https://hackaday.com/2023/01/15/designing-aesthetically-pleasing-pcbs/)
2023-01-16T06:00:35Z	**Custom Thermostat PCB Connects Boiler to Home Assistant**
![A thermostat unit and a replacement PCB for it](https://hackaday.com/wp-content/uploads/2023/01/Home-Assistant-Thermostat.jpg?w=800)

Thanks to Home Assistant, automating the various systems that run your home is easier than ever. But you still need to make a connection between those systems and your Home […read more](https://hackaday.com/2023/01/15/custom-thermostat-pcb-connects-boiler-to-home-assistant/) ⌘ [Read more](https://hackaday.com/2023/01/15/custom-thermostat-pcb-connects-boiler-to-home-assistant/)
2023-01-16T09:00:39Z	**Ring in the New Year With This Cute Cat Doorbell**
![](https://hackaday.com/wp-content/uploads/2023/01/neko_feature.png?w=800)

What better way to ring in the new year than with [iSax Laboratories]’ charming little project that replaces a doorbell with a Maneki-Neko cat figurine to ring a physical bell? […read more](https://hackaday.com/2023/01/16/ring-in-the-new-year-with-this-cute-cat-doorbell/) ⌘ [Read more](https://hackaday.com/2023/01/16/ring-in-the-new-year-with-this-cute-cat-doorbell/)
2023-01-16T12:00:24Z	**Don’t Lose Your Cool With This Fridge Buzzer**
![A composite picture with a 3D printed cylinder with a magnet at one end held in a 3D printed housing ring on the left composite picture and a fridge buzzer board with buzzer, CR2032 battery, MCP430 microcontroller and hall effect sensor slid into a 3D printed base on the right part of the composite picture](https://hackaday.com/wp-content/uploads/2023/01/fridge-buzzer.png?w=800)

[CarrotIndustries] wanted to add an audible warning for when the r ... ⌘ [Read more](https://hackaday.com/2023/01/16/dont-lose-your-cool-with-this-fridge-buzzer/)
2023-01-16T16:00:00Z	**Blinky Business Card Plays Snake and Connect Four**
![](https://hackaday.com/wp-content/uploads/2023/01/businesscard_featured.png?w=800)

There’s no better way to introduce yourself than handing over a blinky PCB business card and challenging the recipient to a game of Connect Four. And if [Dennis Kaandorp] turns […read more](https://hackaday.com/2023/01/16/blinky-business-card-plays-snake-and-connect-four/) ⌘ [Read more](https://hackaday.com/2023/01/16/blinky-business-card-plays-snake-and-connect-four/)
2023-01-16T17:00:18Z	**Machining with Electricity Hack Chat**
![](https://hackaday.com/wp-content/uploads/2023/01/AdobeStock_513372081.jpeg?w=800)

Join us on Wednesday, January 18 at noon Pacific for the Machining with Electricity Hack Chat with Daniel Herrington! With few exceptions, metalworking has largely been about making chips, and […read more](https://hackaday.com/2023/01/16/machining-with-electricity-hack-chat/) ⌘ [Read more](https://hackaday.com/2023/01/16/machining-with-electricity-hack-chat/)
2023-01-16T18:00:47Z	**2022 FPV Contest: Congratulations to the Winners!**
![](https://hackaday.com/wp-content/uploads/2022/11/fpv_featured2.png?w=750)

We wanted to see what the Hackaday crowd was up to in first-person view tech, and you didn’t disappoint! Commercial FPV quads have become cheap enough these days that everyone […read more](https://hackaday.com/2023/01/16/2022-fpv-contest-congratulations-to-the-winners/) ⌘ [Read more](https://hackaday.com/2023/01/16/2022-fpv-contest-congratulations-to-the-winners/)
2023-01-16T19:30:28Z	**Flappy Bird Drone Edition**
![](https://hackaday.com/wp-content/uploads/2023/01/wing.png?w=800)

Ornithopters have been — mostly — the realm of science fiction. However, a paper in Advanced Intelligent Systems by researchers at Lund University proposes that flapping wings may well power the […read more](https://hackaday.com/2023/01/16/flappy-bird-drone-edition/) ⌘ [Read more](https://hackaday.com/2023/01/16/flappy-bird-drone-edition/)
2023-01-16T21:00:51Z	**ZSWatch: This OSHW Smart Watch is as DIY as it Gets**
![](https://hackaday.com/wp-content/uploads/2023/01/zswatch_feat.jpg?w=800)

We say it often, but it’s worth repeating: this is the Golden Age of making and hacking. Between powerful free and open source software, low-cost PCB production, and high resolution […read more](https://hackaday.com/2023/01/16/zswatch-this-oshw-smart-watch-is-as-diy-as-it-gets/) ⌘ [Read more](https://hackaday.com/2023/01/16/zswatch-this-oshw-smart-watch-is-as-diy-as-it-gets/)
2023-01-17T00:00:14Z	**Impressive Sawdust Briquette Machine**
![](https://hackaday.com/wp-content/uploads/2023/01/briquette_press_featured.png?w=800)

When you are a life long carpenter with an amazing workshop, you’re going to make a lot of saw dust, and managing its collection and storage poses quite a challenge. [Russ] […read more](https://hackaday.com/2023/01/16/impressive-sawdust-briquette-machine/) ⌘ [Read more](https://hackaday.com/2023/01/16/impressive-sawdust-briquette-machine/)
2023-01-17T03:00:34Z	**It’s Not Easy Counting Transistors in the 8086 Processor**
![](https://hackaday.com/wp-content/uploads/2023/01/driver.jpg?w=785)

For any given processor it’s generally easy to find a statistic on the number of transistors used to construct it, with the famous Intel 8086 CPU generally said to contain […read more](https://hackaday.com/2023/01/16/its-not-easy-counting-transistors-in-the-8086-processor/) ⌘ [Read more](https://hackaday.com/2023/01/16/its-not-easy-counting-transistors-in-the-8086-processor/)
2023-01-17T06:00:29Z	**Stairway Drying Rack Rises Above the Rest**
![A white stairwell ceiling with a rack holding clothes. The rack follows the slope of the ceiling and is attached to a series of ropes and pulleys to let it got up and down.](https://hackaday.com/wp-content/uploads/2023/01/Laundry-wide.jpg?w=800)

Finding space to dry clothes can be challenging in smaller spaces. [Tom Parker] solved this conundrum in his one bedroom apartment by putting a drying rack in his stairwell. By […read more](https://hackaday. ... ⌘ [Read more](https://hackaday.com/2023/01/16/stairway-drying-rack-rises-above-the-rest/)
2023-01-17T09:00:24Z	**Take a Deep Dive Into a Commodity Automotive Radar Chip**
![](https://hackaday.com/wp-content/uploads/2023/01/1920x1080-vtime1_23-take2023-01-16-16.56.34.png?w=800)

When the automobile industry really began to take off in the 1930s, radar was barely in its infancy, and there was no reason to think something that complicated would ever […read more](https://hackaday.com/2023/01/17/take-a-deep-dive-into-a-commodity-automotive-radar-chip/) ⌘ [Read more](https://hackaday.com/2023/01/17/take-a-deep-dive-into-a-commodity-automotive-radar-chip/)
2023-01-17T12:00:01Z	**The First Afghan Sports Car Has An Engine You Shouldn’t Mock**
![](https://hackaday.com/wp-content/uploads/2023/01/afghan-car-featured.jpg?w=800)

In the news today, Afghanistan has made its first sports car, and it’s a sleek and low-slung model with a throaty exhaust note that would get a second look on […read more](https://hackaday.com/2023/01/17/the-first-afghan-sports-car-has-an-engine-you-shouldnt-mock/) ⌘ [Read more](https://hackaday.com/2023/01/17/the-first-afghan-sports-car-has-an-engine-you-shouldnt-mock/)
2023-01-17T15:30:19Z	**All About USB-C: High-Speed Interfaces**
![](https://hackaday.com/wp-content/uploads/2020/06/USBC.jpg?w=800)

One amazing thing about USB-C is its high-speed capabilities. The pinout gives you four high-speed differential pairs and a few more lower-speed pairs, which let you pump giant amounts of […read more](https://hackaday.com/2023/01/17/all-about-usb-c-high-speed-interfaces/) ⌘ [Read more](https://hackaday.com/2023/01/17/all-about-usb-c-high-speed-interfaces/)
2023-01-17T16:30:16Z	**Hands-On Museum Exhibit Brings Electromagnetism to Life**
![Several people at a museum exhibit about magnetism](https://hackaday.com/wp-content/uploads/2023/01/Visitors-Magnet.jpg?w=800)

Magnets, how do they work? Although the quantum mechanics behind ferromagnetism are by no means easy, a few simple experiments can give you a good grasp of how magnets attract […read more](https://hackaday.com/2023/01/17/hands-on-museum-exhibit-brings-electromagnetism-to-life/) ⌘ [Read more](https://hackaday.com/2023/01/17/hands-on-museum-exhibit-brings-electromagnetism-to-life/)
2023-01-17T18:02:38Z	**Supercon 2022: All Aboard the SS MAPR with Sherry Chen**
![](https://hackaday.com/wp-content/uploads/2023/01/sherry-chen-supercon-2022-8afnowi8nw0-webm-shot0001_featured.png?w=800)

How do you figure out what is in a moving body of water over a mile wide? For those in charge of assessing the water quality of the Delaware river, […read more](https://hackaday.com/2023/01/17/supercon-2022-all-aboard-the-ss-mapr-with-sherry-chen/) ⌘ [Read more](https://hackaday.com/2023/01/17/supercon-2022-all-aboard-the-ss-mapr-with-sherry-chen/)
2023-01-17T19:30:57Z	**From a 6502 Breadboard Computer to Lode Runner and Beyond**
![](https://hackaday.com/wp-content/uploads/2023/01/1280x720-vtime7_29-take2023-01-16-15.41.42.png?w=800)

As disruptive and generally unpleasant as the pandemic lockdowns of 2020 were, they often ended up being a catalyst for significant personal growth. That was often literal growth, thanks to […read more](https://hackaday.com/2023/01/17/from-a-6502-breadboard-computer-to-lode-runner-and-beyond/) ⌘ [Read more](https://hackaday.com/2023/01/17/from-a-6502-breadboard-computer-to-lode-runner-and-beyond/)
2023-01-17T21:00:10Z	**Megahex will Give You Robo-Arachnophobia**
![A man sits in a chair atop a hexagonal platform. From the platform there are six hydraulically-actuated legs supporting the hexapod above a grassy field. The field is filled with fog, giving the shot a mysterious, otherworldly look.](https://hackaday.com/wp-content/uploads/2023/01/Hexapod-crop.jpg?w=800)

Some projects start with a relatively simple idea that quickly turns into a bit of a nightmare when you get to the actual implementation. [Hacksmith  ... ⌘ [Read more](https://hackaday.com/2023/01/17/megahex-will-give-you-robo-arachnophobia/)
2023-01-18T00:00:06Z	**Kirby Sucks, Literally**
![](https://hackaday.com/wp-content/uploads/2023/01/kirby_extractor_featured.png?w=800)

What’s common between one of the most legendary video game characters of all time and a fume extractor ? They both suck. [Chris Borge] is not an electronics hobbyist and […read more](https://hackaday.com/2023/01/17/kirby-sucks-literally/) ⌘ [Read more](https://hackaday.com/2023/01/17/kirby-sucks-literally/)
2023-01-18T03:00:12Z	**Turns Out, Lighting Can Strike Twice, With a Little Help**
![](https://hackaday.com/wp-content/uploads/2023/01/rod.png?w=800)

Few things are more impressive than a lighting strike. Lightning can carry millions of volts and while it can be amazing to watch, it is somewhat less amazing to be […read more](https://hackaday.com/2023/01/17/turns-out-lighting-can-strike-twice-with-a-little-help/) ⌘ [Read more](https://hackaday.com/2023/01/17/turns-out-lighting-can-strike-twice-with-a-little-help/)
2023-01-18T06:00:19Z	**One-Size-Fits-All Wrench Points to a Nut Job**
![](https://hackaday.com/wp-content/uploads/2023/01/wrench_featured.png?w=800)

When [Hand Tool Rescue] came across a 1919 patent for a one size fits all wrench, he couldn’t help but recreate it. Described in the patent as “a new, original, […read more](https://hackaday.com/2023/01/17/one-size-fits-all-wrench-points-to-a-nut-job/) ⌘ [Read more](https://hackaday.com/2023/01/17/one-size-fits-all-wrench-points-to-a-nut-job/)
2023-01-18T09:00:41Z	**Grass Gauge Tells You When the Lawnmower’s Catcher is Full**
![](https://hackaday.com/wp-content/uploads/2023/01/FFFHB6BLBXO2BTD-e1674018285679.jpg?w=800)

If you’re not mowing your lawn regularly, you’re probably familiar with the hassle of overfilling your catcher. Grass clippings end up scattered everywhere, and you end up with a messy […read more](https://hackaday.com/2023/01/18/grass-gauge-tells-you-when-the-lawnmowers-catcher-is-full/) ⌘ [Read more](https://hackaday.com/2023/01/18/grass-gauge-tells-you-when-the-lawnmowers-catcher-is-full/)
2023-01-18T12:00:35Z	**Spray-On Keyboard is as Light as It Gets**
![](https://hackaday.com/wp-content/uploads/2023/01/gesture-keeb-800.webp?w=800)

We’ve all seen those ‘nothing’ keyboards, where the keys themselves are not much more than projected lasers, and users are asked to ritually beat their poor fingertips into the table […read more](https://hackaday.com/2023/01/18/spray-on-keyboard-is-as-light-as-it-gets/) ⌘ [Read more](https://hackaday.com/2023/01/18/spray-on-keyboard-is-as-light-as-it-gets/)
2023-01-18T15:10:59Z	**Punycodes Explained**
![](https://hackaday.com/wp-content/uploads/2023/01/punycode.gif?w=800)

When you’re restricted to ASCII, how can you represent more complex things like emojis or non-Latin characters? One answer is Punycode, which is a way to represent Unicode characters in […read more](https://hackaday.com/2023/01/18/punycodes-explained/) ⌘ [Read more](https://hackaday.com/2023/01/18/punycodes-explained/)
2023-01-18T16:30:46Z	**3D Printing Giant LEGO-Like Blocks To Build Big Toys**
![](https://hackaday.com/wp-content/uploads/2023/01/I-BUILT-MY-OWN-HUGE-LEGO-INSPIRED-BLOCKS-FOR-A-LIFE-SIZED-GO-KART-8-11-screenshot-1.png?w=800)

[Ivan Miranda] is all about big 3D prints. He’s now set about printing giant blocks in the vein of LEGO Technic to build himself a full-sized rideable go kart. The […read more](https://hackaday.com/2023/01/18/3d-printing-giant-lego-like-blocks-to-build-big-toys/) ⌘ [Read more](https://hackaday.com/2023/01/18/3d-printing-giant-lego-like-blocks-to-build-big-toys/)
2023-01-18T18:00:13Z	**Retro Gadgets: Tired of the Beatles on 8 Track? Try the Police**
![](https://hackaday.com/wp-content/uploads/2023/01/bearcat-1.png?w=800)

In the 1970s, 8-track audio players were very popular, especially in cars. For a couple of bucks, you could have the latest album, and you didn’t have to flip the […read more](https://hackaday.com/2023/01/18/retro-gadgets-tired-of-the-beatles-on-8-track-try-the-police/) ⌘ [Read more](https://hackaday.com/2023/01/18/retro-gadgets-tired-of-the-beatles-on-8-track-try-the-police/)
2023-01-18T19:30:02Z	**Frequency Tells Absolute Temperature**
![](https://hackaday.com/wp-content/uploads/2023/01/t2f.png?w=800)

It is no secret that semiconductor junctions change their behavior with temperature, and you can use this fact to make a temperature sensor. The problem is that you have to […read more](https://hackaday.com/2023/01/18/frequency-tells-absolute-temperature/) ⌘ [Read more](https://hackaday.com/2023/01/18/frequency-tells-absolute-temperature/)
2023-01-18T21:00:42Z	**Internal Heating Element Makes These PCBs Self-Soldering**
![](https://hackaday.com/wp-content/uploads/2023/01/1920x1080-vtime3_10-take2023-01-18-11.39.03.png?w=800)

Surface mount components have been a game changer for the electronics hobbyist, but doing reflow soldering right requires some way to evenly heat the board. You might need to buy […read more](https://hackaday.com/2023/01/18/internal-heating-element-makes-these-pcbs-self-soldering/) ⌘ [Read more](https://hackaday.com/2023/01/18/internal-heating-element-makes-these-pcbs-self-soldering/)
2023-01-19T00:00:52Z	**Weatherproof Raspberry Pi Camera Enclosure, In a Pinch**
![](https://hackaday.com/wp-content/uploads/2023/01/slika-9-wide.png?w=793)

The Raspberry Pi is the foundation of many IoT camera projects, but enclosures are often something left up to the user. [Mare] found that a serviceable outdoor enclosure could be […read more](https://hackaday.com/2023/01/18/weatherproof-raspberry-pi-camera-enclosure-in-a-pinch/) ⌘ [Read more](https://hackaday.com/2023/01/18/weatherproof-raspberry-pi-camera-enclosure-in-a-pinch/)
2023-01-19T03:00:02Z	**Soundscape Sculpture Is Pleasing Art For Your Ears**
![A small electronic board next to colorful stylized speaker](https://hackaday.com/wp-content/uploads/2023/01/thememorymachinesound_feature.jpg?w=800)

Artist and self-described “maker of objects” [Daric Gill] is sharing some of the world’s most pleasing and acoustically interesting soundscapes with museum patrons in his latest work, ‘The Memory Machine: […read more](https://hackaday.com/2023/01/18/soundscape-sculpture-is-pleasing-art ... ⌘ [Read more](https://hackaday.com/2023/01/18/soundscape-sculpture-is-pleasing-art-for-your-ears/)
2023-01-19T06:00:04Z	**3D Printed Berlin Uhr is an Attractive Germanic Clock**
![](https://hackaday.com/wp-content/uploads/2023/01/FYUM0T5L8VN6AOW-e1674022422120.jpg?w=800)

As much as Big Ben steals the spotlight when it comes to big public clocks, the Berlin Uhr is a much beloved digital communal timepiece. [RuudK5] developed their own 3D […read more](https://hackaday.com/2023/01/18/3d-printed-berlin-uhr-is-an-attractive-germanic-clock/) ⌘ [Read more](https://hackaday.com/2023/01/18/3d-printed-berlin-uhr-is-an-attractive-germanic-clock/)
2023-01-19T09:00:38Z	**LED Driver Circuit For Safety Hat Sucks Single AAA Cell Dry**
![](https://hackaday.com/wp-content/uploads/2023/01/inuse.jpg?w=800)

[Petteri Aimonen] created an omnidirectional LED safety light to cling to his child’s winter hat in an effort to increase visibility during the dark winter months, but the design is […read more](https://hackaday.com/2023/01/19/led-driver-circuit-for-safety-hat-sucks-single-aaa-cell-dry/) ⌘ [Read more](https://hackaday.com/2023/01/19/led-driver-circuit-for-safety-hat-sucks-single-aaa-cell-dry/)
2023-01-19T12:00:52Z	**Addressable LEDs From a Z80**
![](https://hackaday.com/wp-content/uploads/2023/01/z80-neopixel-featured.jpg?w=800)

If you buy WS2812s under the Adafruit NeoPixel brand, you’ll receive the advice that “An 8 MHz processor” is required to drive them. “Challenge Accepted!“, says [ShielaDixon], and proceeded to […read more](https://hackaday.com/2023/01/19/addressable-leds-from-a-z80/) ⌘ [Read more](https://hackaday.com/2023/01/19/addressable-leds-from-a-z80/)
2023-01-19T15:00:25Z	**New Study Tells Us Where To Hide When The Nukes Are Coming**
![](https://hackaday.com/wp-content/uploads/2023/01/house1_02.png?w=800)

Geopolitics is a funny thing. Decades can go by with little concern, only for old grudges to suddenly boil to the surface and get the sabers a-rattlin’. When those sabers […read more](https://hackaday.com/2023/01/19/new-study-tells-us-where-to-hide-when-the-nukes-are-coming/) ⌘ [Read more](https://hackaday.com/2023/01/19/new-study-tells-us-where-to-hide-when-the-nukes-are-coming/)
2023-01-19T16:30:30Z	**Mod, Repair and Maintain Your Cassette Tapes With 3D Printed Parts**
![](https://hackaday.com/wp-content/uploads/2023/01/Screenshot-2023-01-18-163224-e1674021767863.png?w=800)

The benefit of 3D printers is that they have made it relatively easy to reproduce just about any little plastic thing you might happen to break. If you’re one of […read more](https://hackaday.com/2023/01/19/mod-repair-and-maintain-your-cassette-tapes-with-3d-printed-parts/) ⌘ [Read more](https://hackaday.com/2023/01/19/mod-repair-and-maintain-your-cassette-tapes-with-3d-printed-parts/)
2023-01-19T18:00:46Z	**Linux Fu: UEFI Booting**
![](https://hackaday.com/wp-content/uploads/2020/05/LinuxFu.jpg?w=800)

Unless your computer is pretty old, it probably uses UEFI (Unified Extensible Firmware Interface) to boot. The idea is that a bootloader picks up files from an EFI partition and […read more](https://hackaday.com/2023/01/19/linux-fu-uefi-booting/) ⌘ [Read more](https://hackaday.com/2023/01/19/linux-fu-uefi-booting/)
2023-01-19T19:30:43Z	**Domesticating Plasma with a Gorgeous Live Edge Table**
![](https://hackaday.com/wp-content/uploads/2023/01/plasmatable_feat.jpg?w=800)

If you’ve been reading Hackaday for any length of time, you’ll know we don’t often cover woodworking projects here. It’s not because we aren’t impressed with the skill and effort […read more](https://hackaday.com/2023/01/19/domesticating-plasma-with-a-gorgeous-live-edge-table/) ⌘ [Read more](https://hackaday.com/2023/01/19/domesticating-plasma-with-a-gorgeous-live-edge-table/)
2023-01-19T21:00:41Z	**High-Speed Sled Adds Bicycle Suspension**
![](https://hackaday.com/wp-content/uploads/2023/01/ski-sled-main.png?w=800)

While you might have bought the best pair of skis in the 90s or 00s, as parts on boots and bindings start to fail and safety standards for ski equipment […read more](https://hackaday.com/2023/01/19/high-speed-sled-adds-bicycle-suspension/) ⌘ [Read more](https://hackaday.com/2023/01/19/high-speed-sled-adds-bicycle-suspension/)
2023-01-20T00:00:30Z	**Q Meter Measures… Q, of Course**
![](https://hackaday.com/wp-content/uploads/2023/01/q.png?w=800)

If you’ve ever dealt with RF circuits, you probably have run into Q — a dimensionless number that indicates the ratio of reactance to resistance. If you ever wanted to […read more](https://hackaday.com/2023/01/19/q-meter-measures-q-of-course/) ⌘ [Read more](https://hackaday.com/2023/01/19/q-meter-measures-q-of-course/)
2023-01-20T03:00:52Z	**What Else Is An M.2 WiFi Slot Good For?**
![](https://hackaday.com/wp-content/uploads/2023/01/wifi-to-sfp_adapter.jpg?w=800)

Many mainboards and laptops these days come with a range of M.2 slots, with only a subset capable of NVME SSDs, and often a stubby one keyed for ‘WiFi’ cards. […read more](https://hackaday.com/2023/01/19/what-else-is-an-m-2-wifi-slot-good-for/) ⌘ [Read more](https://hackaday.com/2023/01/19/what-else-is-an-m-2-wifi-slot-good-for/)
2023-01-20T06:00:00Z	**That Old ThinkPad Needs an Open Source 2.5″ IDE SSD**
![](https://hackaday.com/wp-content/uploads/2023/01/idessd_feat.jpg?w=800)

So you fancy yourself a FOSS devotee, do you? Running GNU/Linux on your old ThinkPad, avoiding devices that need binary blobs? Got LibreBoot installed too? Not bad, not bad. But […read more](https://hackaday.com/2023/01/19/that-old-thinkpad-needs-an-open-source-2-5-ide-ssd/) ⌘ [Read more](https://hackaday.com/2023/01/19/that-old-thinkpad-needs-an-open-source-2-5-ide-ssd/)
2023-01-20T09:00:43Z	**Automated Drip Watering Device Keeps Plants Happy**
![](https://hackaday.com/wp-content/uploads/2023/01/F14DG7LLBW8LQX8.png?w=800)

Plants tend to need a regular supply of water to stay happy. If you’re a green thumb, it’s one of the primary things you should take care of before you […read more](https://hackaday.com/2023/01/20/automated-drip-watering-device-keeps-plants-happy/) ⌘ [Read more](https://hackaday.com/2023/01/20/automated-drip-watering-device-keeps-plants-happy/)
2023-01-20T12:00:17Z	**Building a NAS That Really Looks Like a NAS**
![](https://hackaday.com/wp-content/uploads/2023/01/Ras_Pi_NAS_featured.png?w=800)

Building your own network attached storage (NAS) for personal use isn’t all that difficult. A single board computer, a hard disk and a power supply in an enclosure is all […read more](https://hackaday.com/2023/01/20/building-a-nas-that-really-looks-like-a-nas/) ⌘ [Read more](https://hackaday.com/2023/01/20/building-a-nas-that-really-looks-like-a-nas/)
2023-01-20T15:00:55Z	**This Week in Security: Git Deep Dive, Mailchimp, and SPF**
![](https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800)

First up, git has been audited. This was an effort sponsored by the Open Source Technology Improvement Fund (OSTIF), a non-profit working to improve the security of Open Source projects. […read more](https://hackaday.com/2023/01/20/this-week-in-security-git-deep-dive-mailchimp-and-spf/) ⌘ [Read more](https://hackaday.com/2023/01/20/this-week-in-security-git-deep-dive-mailchimp-and-spf/)
2023-01-20T16:30:50Z	**Cassette Player Cupholder is a Useful But Risky Idea**
![](https://hackaday.com/wp-content/uploads/2023/01/1-20220530_200437-1-e1674020865937.jpg?w=800)

The cup was invented in 1570 BC. Despite this, infuriatingly, the cupholder didn’t become common in the automotive world until the early 2000s. Cars built in the years PCH (pre-cupholder) […read more](https://hackaday.com/2023/01/20/cassette-player-cupholder-is-a-useful-but-risky-idea/) ⌘ [Read more](https://hackaday.com/2023/01/20/cassette-player-cupholder-is-a-useful-but-risky-idea/)
2023-01-20T17:00:14Z	**Hackaday Podcast 202: CNC Monks, Acrobot, Bootleg Merch, and the Rise and Fall of Megahex**
![](https://hackaday.com/wp-content/uploads/2016/05/microphone.jpg?w=800)

This week, Editor-in-Chief Elliot Williams and Assignments Editor Kristina Panos stood around and marveled at machinery in its many forms, from a stone-cutting CNC to an acrobatic robot to an […read more](https://hackaday.com/2023/01/20/hackaday-podcast-202-cnc-monks-acrobot-bootleg-merch ... ⌘ [Read more](https://hackaday.com/2023/01/20/hackaday-podcast-202-cnc-monks-acrobot-bootleg-merch-and-the-rise-and-fall-of-megahex/)
2023-01-20T18:00:58Z	**Machining With Electricity Explored in the Hack Chat**
![](https://hackaday.com/wp-content/uploads/2023/01/AdobeStock_513372081.jpeg?w=800)

As a Hackaday reader, it’s safe to assume you’ve got a better than average understanding of electricity. There’s also an excellent chance you’re familiar with machining, and may even have […read more](https://hackaday.com/2023/01/20/machining-with-electricity-explored-in-the-hack-chat/) ⌘ [Read more](https://hackaday.com/2023/01/20/machining-with-electricity-explored-in-the-hack-chat/)
2023-01-20T19:30:53Z	**Extrusion For The Pottery Shop**
![](https://hackaday.com/wp-content/uploads/2023/01/extruder-main.png?w=800)

Extrusion is a process for forming materials by forcing them through an opening, which can allow for complex shapes. Aluminum extrusion beams are what most of us are probably thinking […read more](https://hackaday.com/2023/01/20/extrusion-for-the-pottery-shop/) ⌘ [Read more](https://hackaday.com/2023/01/20/extrusion-for-the-pottery-shop/)
2023-01-20T21:00:07Z	**One-Piece Tank Chassis Pushes Print-in-Place To New Heights**
![](https://hackaday.com/wp-content/uploads/2023/01/PiPBOT-tank-chassis.jpg?w=800)

What’s better than 3D printing a tank chassis with working tracks? How about 3D printing the entire thing, moving parts and all, as a single piece? That’s [3D Honza]’s PiPBOT-1, […read more](https://hackaday.com/2023/01/20/one-piece-tank-chassis-pushes-print-in-place-to-new-heights/) ⌘ [Read more](https://hackaday.com/2023/01/20/one-piece-tank-chassis-pushes-print-in-place-to-new-heights/)
2023-01-21T00:00:27Z	**Wormhole Coffee Table Takes Woodworking to Another Dimension**
![A wooden table with walnut squares and a maple grid. The table has a large barrel-shaped curve on one end and the other is a representation of a wormhole with what look like two stretched cones connected through a narrow cylinder. The wooden grid looks stretch to follow the curvature of spacetime.](https://hackaday.com/wp-content/uploads/2023/01/Wormhole-wide.jpg?w=800)

While some people are happy with a simple  ... ⌘ [Read more](https://hackaday.com/2023/01/20/wormhole-coffee-table-takes-woodworking-to-another-dimension/)
2023-01-21T03:00:35Z	**RP2040 DMA Hack Makes Another ‘CPU Core’**
![](https://hackaday.com/wp-content/uploads/2023/01/DMAcpu2-HaD-featured.png?w=800)

[Bruce Land] of Cornell University will be a familiar name to many Hackaday readers, searching the site for ‘ECE4760′ will bring up many interesting topics around embedded programming. Every year […read more](https://hackaday.com/2023/01/20/help-needed-on-thumb-image-rp2040-dma-hack-makes-another-cpu-core/) ⌘ [Read more](https://hackaday.com/2023/01/20/help-needed-on-thumb-image-rp2040-dma-hack-makes-another-cpu-core/)
2023-01-21T06:00:48Z	**3D Printed Triptych Shows Trio Of AI-Generated Images**
![](https://hackaday.com/wp-content/uploads/2023/01/epaperframes_feat.jpg?w=800)

Fascinated by art generated by deep learning systems such as DALL-E and Stable Diffusion? Then perhaps a wall installation like this phenomenal e-paper Triptych created by [Zach Archer] is in […read more](https://hackaday.com/2023/01/20/3d-printed-triptych-shows-trio-of-ai-generated-images/) ⌘ [Read more](https://hackaday.com/2023/01/20/3d-printed-triptych-shows-trio-of-ai-generated-images/)
2023-01-21T09:00:36Z	**RC Car Gets F1-Style DRS Rear Wing**
![](https://hackaday.com/wp-content/uploads/2023/01/Why-Formula-1-Cars-need-DRS-RC-Version-3-58-screenshot-e1674023262857.png?w=800)

DRS, or the Drag Reduction System, has become a key part of Formula 1 in the past decade. [Engineering After Hours] decided to implement the same system on an RC […read more](https://hackaday.com/2023/01/21/rc-car-gets-f1-style-drs-rear-wing/) ⌘ [Read more](https://hackaday.com/2023/01/21/rc-car-gets-f1-style-drs-rear-wing/)
2023-01-21T12:00:19Z	**Beehive In a Bottle**
![](https://hackaday.com/wp-content/uploads/2023/01/beehive-main.png?w=800)

One of the most common types of beekeeping hive is based around the Langstroth hive, first patented in the United States in 1852. While it does have some nice features […read more](https://hackaday.com/2023/01/21/beehive-in-a-bottle/) ⌘ [Read more](https://hackaday.com/2023/01/21/beehive-in-a-bottle/)
2023-01-21T15:00:03Z	**Irreproducible, Accumulative Hacks**
![](https://hackaday.com/wp-content/uploads/2020/05/Automation.jpg?w=800)

Last weekend, I made an incredibly accurate CNC pen-plotter bot in just 20 minutes, for a total expenditure of $0. How did I pull this off? Hacks accumulate. In particular, […read more](https://hackaday.com/2023/01/21/irreproducible-accumulative-hacks/) ⌘ [Read more](https://hackaday.com/2023/01/21/irreproducible-accumulative-hacks/)
2023-01-21T18:00:30Z	**Robot Collects Ping Pong Balls For You**
![](https://hackaday.com/wp-content/uploads/2023/01/FZGP4UKLC4T7Y6K-e1674023833922.jpg?w=625)

If you’ve ever played ping pong, table tennis, or beer pong, you know that it’s a struggle to hang on to the balls. [MaximeMonsieur] has designed a robot to handle […read more](https://hackaday.com/2023/01/21/robot-collects-ping-pong-balls-for-you/) ⌘ [Read more](https://hackaday.com/2023/01/21/robot-collects-ping-pong-balls-for-you/)
2023-01-21T21:00:36Z	**An Open Hardware Automatic Spinning Machine**
![open hardware textile spinning machine constructed from aluminium extrusions, arduino electronics and 3D printed parts](https://hackaday.com/wp-content/uploads/2023/01/Snap-2023-01-19-at-21.11.00.png?w=800)

The team at the Berlin-based Studio HILO has been working on ideas and tools around developing a more open approach to small-scale textile production environments. Leveraging open-source platforms and tools, […read more](https://hackaday.com/ ... ⌘ [Read more](https://hackaday.com/2023/01/21/an-open-hardware-automatic-spinning-machine/)
2023-01-22T00:00:21Z	**Floppy Photog: Making an IR Filter From a 3.5″ Disk**
![](https://hackaday.com/wp-content/uploads/2023/01/flop-e1674275796210.png?w=800)

Sony used to sell digital cameras that recorded on actual floppy disks. We’ve come a long way, but [Mathieu] put a floppy in a digital camera recently for an entirely […read more](https://hackaday.com/2023/01/21/floppy-photog-making-an-ir-filter-from-a-3-5-disk/) ⌘ [Read more](https://hackaday.com/2023/01/21/floppy-photog-making-an-ir-filter-from-a-3-5-disk/)
2023-01-22T03:00:25Z	**All Your Keys Are Belong to KeyDecoder**
![An illustration of a key sitting on an ID card. The key is light grey and the ID card is a darker grey gradient. The ID card says ID-1 Card 85.60 by 53.98 mm](https://hackaday.com/wp-content/uploads/2023/01/card_key.png?w=800)

Physical security is often considered simpler than digital security since safes are heavy and physical keys take more effort to duplicate than those of the digital persuasion. [Maxime Beasse and […read more](https://hackaday.com/202 ... ⌘ [Read more](https://hackaday.com/2023/01/21/all-your-keys-are-belong-to-keydecoder/)
2023-01-22T06:00:02Z	**An Unexpected Amiga Network Interface**
![](https://hackaday.com/wp-content/uploads/2023/01/amiga-pi-featured.jpg?w=800)

The retrocomputer enthusiast has increasingly to grapple with not only runaway computer prices but the astronomical cost of vintage peripherals. A welcome solution in some cases comes from the Raspberry […read more](https://hackaday.com/2023/01/21/an-unexpected-amiga-network-interface/) ⌘ [Read more](https://hackaday.com/2023/01/21/an-unexpected-amiga-network-interface/)
2023-01-22T09:00:10Z	**Wii Turned Expansion Card for Broadcast Monitor**
![](https://hackaday.com/wp-content/uploads/2023/01/wiibvm_feat.jpg?w=800)

For the proper retro gaming aesthetic, plenty of gamers look to old CRT displays. Older games can look better on these displays because the original programmers took their visual characteristics […read more](https://hackaday.com/2023/01/22/wii-turned-expansion-card-for-broadcast-monitor/) ⌘ [Read more](https://hackaday.com/2023/01/22/wii-turned-expansion-card-for-broadcast-monitor/)
2023-01-22T12:00:34Z	**DIY Capacitor Leakage Tester With a Professional Finish**
![DIY capacitor leakage tester nestled among neighbours all mounted underneath a shelf](https://hackaday.com/wp-content/uploads/2023/01/Snap-2023-01-20-at-22.01.53.png?w=800)

[Manuel Caldeira] has built a nice electronics work area that would be the envy of many, complete with an under-shelf rail of custom-built instruments that are specific to the needs […read more](https://hackaday.com/2023/01/22/diy-capacitor-leakage-tes ... ⌘ [Read more](https://hackaday.com/2023/01/22/diy-capacitor-leakage-tester-with-a-professional-finish/)
2023-01-22T15:00:54Z	**Designing a Simpler Prosthetic Finger**
![A four-fingered partial hand prosthesis in fuschia with black fingerpads is attached to a man's left hand (palm and thumb are original). He holds the left hand + prosthetic with his right hand and an aluminum hand prosthetic sits on the table to the left of his hands.](https://hackaday.com/wp-content/uploads/2023/01/New-3D-Printed-Partial-Hand-Prosthetic-Design-Please-Share-to-get-this-out-there-YouTube-3-30.jpeg?w=800)

Prosthetic limb design is an area whe ... ⌘ [Read more](https://hackaday.com/2023/01/22/designing-a-simpler-prosthetic-finger/)
2023-01-22T18:00:53Z	**Off-Grid Van Build Uses 3D Scanning For Smarter Planning**
![](https://hackaday.com/wp-content/uploads/2023/01/DIY-Camper-Van-to-Travel-AND-Work-_-Van-Conversion-Part-1-2-42-screenshot.png?w=800)

Folks who refurbish and rebuild vans into off-grid campers (especially with the ability to work in them remotely) put a fantastic amount of planning and work into their projects. [Rob] […read more](https://hackaday.com/2023/01/22/off-grid-van-build-uses-3d-scanning-for-smarter-planning/) ⌘ [Read more](https://hackaday.com/2023/01/22/off-grid-van-build-uses-3d-scanning-for-smarter-planning/)
2023-01-22T21:00:48Z	**PCB Pen Holder is Over the Top**
![](https://hackaday.com/wp-content/uploads/2023/01/pcbpens_feat.jpg?w=800)

Like most of us, [Arnov] used a spare coffee mug to hold pens on his desk. But there has to be a better way, right? Surely if you build a […read more](https://hackaday.com/2023/01/22/pcb-pen-holder-is-over-the-top/) ⌘ [Read more](https://hackaday.com/2023/01/22/pcb-pen-holder-is-over-the-top/)
2023-01-23T00:00:01Z	**Hackaday Links: January 22, 2023**
![Hackaday Links Column Banner](https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800)

The media got their collective knickers in a twist this week with the news that Wyoming is banning the sale of electric vehicles in the state. Headlines like that certainly […read more](https://hackaday.com/2023/01/22/hackaday-links-january-22-2023/) ⌘ [Read more](https://hackaday.com/2023/01/22/hackaday-links-january-22-2023/)
2023-01-23T03:00:27Z	**Minimalist Homebrew Hardware Recreates Arcade Classics**
![A handheld game console made from bare PCBs](https://hackaday.com/wp-content/uploads/2023/01/Blockbuster-7000-console.jpg?w=800)

Classic video games might look primitive by today’s standards, but the addictive gameplay of Breakout or Pac-Man remains fun no matter what decade you were born in. Keeping the relevant […read more](https://hackaday.com/2023/01/22/minimalist-homebrew-hardware-recreates-arcade-classics/) ⌘ [Read more](https://hackaday.com/2023/01/22/minimalist-homebrew-hardware-recreates-arcade-classics/)
2023-01-23T06:00:34Z	**Reading Data From a CD, With a Microscope**
![](https://hackaday.com/wp-content/uploads/2023/01/cd-microscope-featured.jpg?w=800)

There was a time when electronic engineering students studied the audio CD, for all its real-world examples of error correction and control systems. There’s something to be found in the […read more](https://hackaday.com/2023/01/22/reading-data-from-a-cd-with-a-microscope/) ⌘ [Read more](https://hackaday.com/2023/01/22/reading-data-from-a-cd-with-a-microscope/)
2023-01-23T09:00:35Z	**Running Cray OS and UNICOS On Your Own Cray Simulator Instance**
![Cray X-MP serial number 302 being assembled (Credit: Andy Gelme)](https://hackaday.com/wp-content/uploads/2023/01/cray_sn_302a1-e1674445287159.jpg?w=800)

The Cray series of super computers have been pretty much symbolic for high-powered computing since the 1970s, and to this day there’s a certain level of mysticism to them. Much […read more](https://hackaday.com/2023/01/23/running-cray-os-and-unicos-on-your- ... ⌘ [Read more](https://hackaday.com/2023/01/23/running-cray-os-and-unicos-on-your-own-cray-simulator-instance/)
2023-01-23T12:00:33Z	**Inside Globus, a Soviet-Era Analog Space Computer**
![](https://hackaday.com/wp-content/uploads/2023/01/wiring.jpg?w=800)

Whenever [Ken Shirriff] posts something, it ends up being a fascinating read. Usually it’s a piece of computer history, decapped and laid bare under his microscope where it undergoes reverse […read more](https://hackaday.com/2023/01/23/inside-globus-a-soviet-era-analog-space-computer/) ⌘ [Read more](https://hackaday.com/2023/01/23/inside-globus-a-soviet-era-analog-space-computer/)
2023-01-23T15:00:46Z	**NASA Lunar Probe Finds Out it’s Not Easy Being Green**
![](https://hackaday.com/wp-content/uploads/2023/01/LunarSatellite.jpg?w=800)

If you’re a space fan, these are very exciting days. There’s so much happening overhead that sometimes it can be difficult to keep up with the latest news. Artemis I […read more](https://hackaday.com/2023/01/23/nasa-lunar-probe-finds-out-its-not-easy-being-green/) ⌘ [Read more](https://hackaday.com/2023/01/23/nasa-lunar-probe-finds-out-its-not-easy-being-green/)
2023-01-23T16:30:18Z	**Knitting Clock Makes You a Scarf for Next Year**
![A white clock with a house profile sits on a variegated grey background. A yellow skein of yarn sits on the top left side of the clock feeding into a circular loom that takes up the bulk of the center. A yellow scarf extends out the back of the clock and out of frame below the image.](https://hackaday.com/wp-content/uploads/2023/01/Wilhelmsen_365_4_web.jpg?w=499)

Time got a little wibbly wobbly during these pandemic years. Perhaps we would ... ⌘ [Read more](https://hackaday.com/2023/01/23/knitting-clock-makes-you-a-scarf-for-next-year/)
2023-01-23T17:00:03Z	**Vintage Electronics Hack Chat**
![](https://hackaday.com/wp-content/uploads/2023/01/AdobeStock_137414652.jpeg?w=800)

Join us on Wednesday, January 25 at noon Pacific for the Vintage Electronics Hack Chat with Keri Szafir! The world of the hardware hacker is filled with smells. The forbidden […read more](https://hackaday.com/2023/01/23/vintage-electronics-hack-chat/) ⌘ [Read more](https://hackaday.com/2023/01/23/vintage-electronics-hack-chat/)
2023-01-23T18:00:24Z	**Ask Hackaday: Do Kids Need 3D Printers?**
![Smiling ad family with 3D printer](https://hackaday.com/wp-content/uploads/2023/01/thingmaker.jpeg?w=800)

Mattel holds a fond place in most people’s hearts as they made many of the toys we played with as kids. You might remember the Thingmaker, which was essentially an […read more](https://hackaday.com/2023/01/23/ask-hackaday-do-kids-need-3d-printers/) ⌘ [Read more](https://hackaday.com/2023/01/23/ask-hackaday-do-kids-need-3d-printers/)
2023-01-23T19:30:12Z	**Smart Bike Suspension Tunes Your Ride On the Fly**
![](https://hackaday.com/wp-content/uploads/2023/01/smart_bike_suspension.jpg?w=800)

Riding a bike is a pretty simple affair, but like with many things, technology marches on and adds complications. Where once all you had to worry about was pumping the […read more](https://hackaday.com/2023/01/23/smart-bike-suspension-tunes-your-ride-on-the-fly/) ⌘ [Read more](https://hackaday.com/2023/01/23/smart-bike-suspension-tunes-your-ride-on-the-fly/)
2023-01-23T21:00:59Z	**Listening to a Flashlight — Lunar Flashlight**
![](https://hackaday.com/wp-content/uploads/2023/01/lunar_flashlight_flowgraph.png?w=800)

If you’ve been looking for a practical example of using GNU Radio, you should check out [Daniel Estévez’s] work on decoding telemetry captured from the Lunar Flashlight cubesat. The cubesat […read more](https://hackaday.com/2023/01/23/listening-to-a-flashlight-lunar-flashlight/) ⌘ [Read more](https://hackaday.com/2023/01/23/listening-to-a-flashlight-lunar-flashlight/)
2023-01-24T00:00:06Z	**DIY Custom Earplugs For Pennies Per Pair**
![](https://hackaday.com/wp-content/uploads/2023/01/earplugs-800.jpeg?w=800)

Hearing is one of our most precious senses, and yet many take their hearing for granted, exposing themselves to loud noises that do lasting damage. [Jonathan Levi] of The Next […read more](https://hackaday.com/2023/01/23/diy-custom-earplugs-for-pennies-per-pair/) ⌘ [Read more](https://hackaday.com/2023/01/23/diy-custom-earplugs-for-pennies-per-pair/)
2023-01-24T03:00:03Z	**The Tale Of The Final EVGA GPU Overclocking Record**
![](https://hackaday.com/wp-content/uploads/2023/01/Snap-2023-01-22-at-19.15.14.png?w=800)

It’s not news that EVGA is getting out of the GPU card game, after a ‘little falling out’ with Nvidia. It’s sad news nonetheless, as this enthusiastic band of hardware […read more](https://hackaday.com/2023/01/23/the-tale-of-the-final-evga-gpu-overclocking-record/) ⌘ [Read more](https://hackaday.com/2023/01/23/the-tale-of-the-final-evga-gpu-overclocking-record/)
2023-01-24T06:00:46Z	**Arduino is out to (Rocket) Launch**
![](https://hackaday.com/wp-content/uploads/2023/01/rocket.png?w=800)

It looks like an ordinary toolbox, but when you open up the Arduino Launch Control System, you’ll find a safe method for triggering model rocket launches. The system uses two […read more](https://hackaday.com/2023/01/23/arduino-is-out-to-rocket-launch/) ⌘ [Read more](https://hackaday.com/2023/01/23/arduino-is-out-to-rocket-launch/)
2023-01-24T09:00:22Z	**Bend it Like a Carpenter**
![](https://hackaday.com/wp-content/uploads/2023/01/wood.png?w=800)

We’ve always known, in theory, there are ways to bend wood, but weren’t really clear on how it worked. Now that we’ve seen [Totally Handy]’s recent video, we’ve learned a […read more](https://hackaday.com/2023/01/24/bend-it-like-a-carpenter/) ⌘ [Read more](https://hackaday.com/2023/01/24/bend-it-like-a-carpenter/)
2023-01-24T12:00:09Z	**Lithium Sulfur Battery Cycle Life Gets a Boost**
![A cartoon vehicle is connected to two wires. One is connected to an illustrated Li anode and the other to a γ-sulfur/carbon nanofiber electrode. Lithium ions and organic carbonate representations float between the two electrodes below the car. A red dotted line between the electrodes symbolizes the separator.](https://hackaday.com/wp-content/uploads/2023/01/Li-S-wide.png?w=800)

Lithium sulfur batteries are often touted as the next major ch ... ⌘ [Read more](https://hackaday.com/2023/01/24/lithium-sulfur-battery-cycle-life-gets-a-boost/)
2023-01-24T15:00:54Z	**Broken Genes and Scrambled Proteins: How Radiation Causes Biological Damage**
![](https://hackaday.com/wp-content/uploads/2023/01/RadiationDamage.jpg?w=800)

If decades of cheesy sci-fi and pop culture have taught us anything, it’s that radiation is a universally bad thing that invariably causes the genetic mutations that gifted us with […read more](https://hackaday.com/2023/01/24/broken-genes-and-scrambled-proteins-how-radiation-causes-biological-damage/) ⌘ [Read more](https://hackaday.com/2023/01/24/broken-genes-and-scrambled-proteins-how-radiation-causes-biological-damage/)
2023-01-24T16:30:47Z	**Old Ham Wisdom Leads to Better Aluminum Painting**
![](https://hackaday.com/wp-content/uploads/2023/01/al.png?w=678)

When [bdk6] tried painting aluminum for electronic projects, he found it didn’t tend to stay painted. It would easily scratch off or, eventually, even flake off. The problem is the […read more](https://hackaday.com/2023/01/24/old-ham-wisdom-leads-to-better-aluminum-painting/) ⌘ [Read more](https://hackaday.com/2023/01/24/old-ham-wisdom-leads-to-better-aluminum-painting/)
2023-01-24T18:00:12Z	**Hackaday.io Low-Power Challenge Begins Today**
![](https://hackaday.com/wp-content/uploads/2023/01/low-powerArtboard_7at2x_featured.png?w=800)

How low can you go? The 2023 Hackaday.io Low-Power Challenge is about doing the most with the least juice – bang for the power-budget buck, if you get our drift. […read more](https://hackaday.com/2023/01/24/hackaday-low-power-challenge-begins-today/) ⌘ [Read more](https://hackaday.com/2023/01/24/hackaday-low-power-challenge-begins-today/)
2023-01-24T19:30:10Z	**Lanna Factory Makes You Work for Your Lampshade**
![A woman sits at a wooden table with a set of pedals attached. A large frame sits on top of the table with a lampshade form spinning in it and five strings run through an apparatus to the frame. A shelving unit with finished lampshades sits behind the woman.](https://hackaday.com/wp-content/uploads/2023/01/LANNA-FACTORY-by-THINKK-Studio-YouTube-0-34.jpeg?w=800)

While you could 3D print a lampshade, there’s something to be said for having  ... ⌘ [Read more](https://hackaday.com/2023/01/24/lanna-factory-makes-you-work-for-your-lampshade/)
2023-01-24T21:00:33Z	**Generating PAL Video With A Heavily Overclocked Pi Pico**
![](https://hackaday.com/wp-content/uploads/2023/01/Snap-2023-01-24-at-08.26.13-featured.png?w=800)

Barely a week goes by without another hack blessing the RP2040 with a further interfacing superpower. This time it’s the turn of the humble PAL standard composite video interface. As […read more](https://hackaday.com/2023/01/24/generating-pal-video-with-a-heavily-overclocked-pi-pico/) ⌘ [Read more](https://hackaday.com/2023/01/24/generating-pal-video-with-a-heavily-overclocked-pi-pico/)
2023-01-25T00:00:13Z	**Translating and Broadcasting Spoken Morse Code**
![](https://hackaday.com/wp-content/uploads/2023/01/cw-vox-main.jpg?w=800)

When the first radios and telegraph lines were put into service, essentially the only way to communicate was to use Morse code. The first transmitters had extremely inefficient designs by […read more](https://hackaday.com/2023/01/24/translating-and-broadcasting-spoken-morse-code/) ⌘ [Read more](https://hackaday.com/2023/01/24/translating-and-broadcasting-spoken-morse-code/)
2023-01-25T03:00:26Z	**You Can Help Build a Resin Printer Review Database**
![](https://hackaday.com/wp-content/uploads/2023/01/resin-printer-review-site-featured.jpg?w=800)

Picking the best resin (SLA) printer is not an easy task. Every large and small 3D printer manufacturer offers a range of models covering many features that are backed by […read more](https://hackaday.com/2023/01/24/you-can-help-build-a-resin-printer-review-database/) ⌘ [Read more](https://hackaday.com/2023/01/24/you-can-help-build-a-resin-printer-review-database/)
2023-01-25T06:00:36Z	**Sequencing The Vintage Way**
![](https://hackaday.com/wp-content/uploads/2023/01/swtpc-synth-featured.jpg?w=800)

For most of us, an 8-bit microcomputer means one of the home computers which set so many of us on our way back in the 1980s. But this ignores an […read more](https://hackaday.com/2023/01/24/sequencing-the-vintage-way/) ⌘ [Read more](https://hackaday.com/2023/01/24/sequencing-the-vintage-way/)
2023-01-25T09:00:56Z	**New Commodore VIC-20 Build**
![](https://hackaday.com/wp-content/uploads/2023/01/retro_shack_new_vic-20.jpg?w=800)

In a recent episode of [The Retro Shack], a new Commodore VIC-20 is built, using a ‘Vicky Twenty’ replacement PCB by [Bob’s Bits] as the base and as many new […read more](https://hackaday.com/2023/01/25/new-commodore-vic-20-build/) ⌘ [Read more](https://hackaday.com/2023/01/25/new-commodore-vic-20-build/)
2023-01-25T12:00:32Z	**Secure LoRa Mesh Communication Network**
![Laptop connected via Ethernet to Raspberry Pi-based secure radio device with antenna](https://hackaday.com/wp-content/uploads/2023/01/5204281674063215967-1-e1674481952266.jpg?w=800)

The Internet has allowed us to communicate more easily than ever before, and thanks to modern cell-phone networks, we don’t even have to be tied down to a hard line […read more](https://hackaday.com/2023/01/25/secure-lora-mesh-communication-network/) ⌘ [Read more](https://hackaday.com/2023/01/25/secure-lora-mesh-communication-network/)
2023-01-25T15:00:22Z	**Open-Sourcing The Lisa, Mac’s Bigger Sister**
![](https://hackaday.com/wp-content/uploads/2023/01/Lisa.jpg?w=800)

Forty years ago, on January 19th of 1983, Apple released the Lisa, which was in many ways a revolutionary system. On January 19th of 2023, to celebrate the system’s 40th […read more](https://hackaday.com/2023/01/25/open-sourcing-the-lisa-macs-bigger-sister/) ⌘ [Read more](https://hackaday.com/2023/01/25/open-sourcing-the-lisa-macs-bigger-sister/)
2023-01-25T16:30:44Z	**DIY Macro Keyboard Wood Be Nice**
![](https://hackaday.com/wp-content/uploads/2023/01/wooden-macro-main.png?w=800)

Editing video tends to involve a lot of keyboard shortcuts, and while this might be fine for the occasional edit, those who regularly deal with video often reach for a […read more](https://hackaday.com/2023/01/25/diy-macro-keyboard-wood-be-nice/) ⌘ [Read more](https://hackaday.com/2023/01/25/diy-macro-keyboard-wood-be-nice/)
2023-01-25T18:02:02Z	**Supercon 2022: Sophy Wong Is Making an Impact with Artistic Wearables**
![](https://hackaday.com/wp-content/uploads/2023/01/supercon-2022-sophy-wong-is-making-an-impact-with-artistic-wearables-y8igdc-ekw-mkv-shot0004_featured.png?w=800)

Prolific designer and maker Sophy Wong is always looking toward the future, and that goes for everything from the costume pieces she makes to the idea of making itself. In […read more](https://hackaday.com/2023/01/25/supercon-2022-soph ... ⌘ [Read more](https://hackaday.com/2023/01/25/supercon-2022-sophy-wong-is-making-an-impact-with-artistic-wearables/)
2023-01-25T19:30:05Z	**I’ve Been Printing on the Dragon Railroad…**
![](https://hackaday.com/wp-content/uploads/2023/01/train.png?w=800)

We know many people who put much effort into building model train setups. But [Rambros] has an entire set 3D printed, and the files are open source, so you can […read more](https://hackaday.com/2023/01/25/ive-been-printing-on-the-dragon-railroad/) ⌘ [Read more](https://hackaday.com/2023/01/25/ive-been-printing-on-the-dragon-railroad/)
2023-01-25T21:00:17Z	**Pizza-Making CNC Machine Is The Only Tool We’ve Ever Dreamed Of**
![](https://hackaday.com/wp-content/uploads/2023/01/Pizza-Making-1-52-screenshot.png?w=800)

Making pizza is fun, but eating pizza is even better. Ideally, you’ll get to spend much more time doing the latter than the former. If you had a pizza-making CNC […read more](https://hackaday.com/2023/01/25/pizza-making-cnc-machine-is-the-only-tool-weve-ever-dreamed-of/) ⌘ [Read more](https://hackaday.com/2023/01/25/pizza-making-cnc-machine-is-the-only-tool-weve-ever-dreamed-of/)
2023-01-26T00:00:10Z	**Unlocking Hidden Features of an Unusual Camera**
![A red and blue Lytro camera with a serial port soldered onto one](https://hackaday.com/wp-content/uploads/2023/01/Lytro-unlock.jpg?w=800)

Back in 2012, technology websites were abuzz with news of the Lytro: a camera that was going to revolutionize photography thanks to its innovative light field technology. An array of […read more](https://hackaday.com/2023/01/25/unlocking-hidden-features-of-an-unusual-camera/) ⌘ [Read more](https://hackaday.com/2023/01/25/unlocking-hidden-features-of-an-unusual-camera/)
2023-01-26T03:00:16Z	**Toxic Telescope Makes You Mad as a Hatter**
![](https://hackaday.com/wp-content/uploads/2023/01/lmt.png?w=800)

[Hank Green] posted an interesting video about the first liquid mirror telescope from back in the 1850s. At the time, scientists were not impressed. But, these days, people are revisiting […read more](https://hackaday.com/2023/01/25/toxic-telescope-makes-you-mad-as-a-hatter/) ⌘ [Read more](https://hackaday.com/2023/01/25/toxic-telescope-makes-you-mad-as-a-hatter/)
2023-01-26T06:00:31Z	**A Simple Air Suspension Demo With Lego Technic**
![](https://hackaday.com/wp-content/uploads/2023/01/Lego-Air-Suspension-2.0-0-25-screenshot.png?w=800)

The most common suspension systems on automobiles rely on simple metal springs. Leaf spring and coil spring designs both have their pros and cons, but fundamentally it’s all about flexing […read more](https://hackaday.com/2023/01/25/a-simple-air-suspension-demo-with-lego-technic/) ⌘ [Read more](https://hackaday.com/2023/01/25/a-simple-air-suspension-demo-with-lego-technic/)
2023-01-26T09:00:51Z	**Adding Electronic Shifter Functionality to Bicycle Derailleur**
![](https://hackaday.com/wp-content/uploads/2023/01/shiftAll_flowchart_cropped.png?w=800)

For the overwhelming majority of bicycles out there that feature multiple gears, switching between these is done purely mechanically, with a cable. Generally this uses a derailleur, which forms part […read more](https://hackaday.com/2023/01/26/adding-electronic-shifter-functionality-to-bicycle-derailleur/) ⌘ [Read more](https://hackaday.com/2023/01/26/adding-electronic-shifter-functionality-to-bicycle-derailleur/)
2023-01-26T12:00:10Z	**Better Macro Images With Arduino Focus Stacking**
![](https://hackaday.com/wp-content/uploads/2023/01/stackedfocus_feat.jpg?w=800)

If you’ve ever played around with macro photography, you’ve likely noticed that the higher the lens magnification, the less the depth of field. One way around this issue is to […read more](https://hackaday.com/2023/01/26/better-macro-images-with-arduino-focus-stacking/) ⌘ [Read more](https://hackaday.com/2023/01/26/better-macro-images-with-arduino-focus-stacking/)
2023-01-26T15:00:03Z	**Do You Need The Raspberry Pi Camera Module V3?**
![](https://hackaday.com/wp-content/uploads/2023/01/picamerav3-featured.jpg?w=800)

This month came the announcement of some new camera modules from Raspberry Pi. All eyes were on version 3 of their standard camera module, but they also sneaked out a […read more](https://hackaday.com/2023/01/26/do-you-need-the-raspberry-pi-camera-module-v3/) ⌘ [Read more](https://hackaday.com/2023/01/26/do-you-need-the-raspberry-pi-camera-module-v3/)
2023-01-26T16:30:30Z	**Exploring the Hall Effect for Haptic Feedback PS4 Joysticks**
![](https://hackaday.com/wp-content/uploads/2023/01/1920x1080-vtime2_20-take2023-01-24-15.05.39.png?w=800)

Modern gaming console controllers aren’t without their annoyances — Joy-Con drift, anyone? The problems might stem from design deficiencies, but we suspect that user enthusiasm and the mechanical stress it […read more](https://hackaday.com/2023/01/26/exploring-the-hall-effect-for-haptic-feedback-ps4-joysticks/) ⌘ [Read more](https://hackaday.com/2023/01/26/exploring-the-hall-effect-for-haptic-feedback-ps4-joysticks/)
2023-01-26T18:00:27Z	**All About USB-C: Framework Laptop**
![](https://hackaday.com/wp-content/uploads/2020/06/USBC.jpg?w=800)

Talking about high-quality USB-C implementations, there’s a product that has multiple selling points designed around USB-C, and is arguably a shining example of how to do USB-C right. It’s the […read more](https://hackaday.com/2023/01/26/all-about-usb-c-framework-laptop/) ⌘ [Read more](https://hackaday.com/2023/01/26/all-about-usb-c-framework-laptop/)
2023-01-26T19:30:48Z	**ADS-B Exchange Sells Up, Contributors Unhappy**
![](https://hackaday.com/wp-content/uploads/2023/01/adsb-exchange-featured.jpg?w=800)

In the news among aviation enthusiasts, the ADS-B data aggregation and aircraft tracking site ADSB-Exchange has been sold by its founder to JETNET for a reported $20m. This type of […read more](https://hackaday.com/2023/01/26/ads-b-exchange-sells-up-contributors-unhappy/) ⌘ [Read more](https://hackaday.com/2023/01/26/ads-b-exchange-sells-up-contributors-unhappy/)
2023-01-26T21:00:08Z	**Casting Custom Resin Buttons for the Steam Deck**
![](https://hackaday.com/wp-content/uploads/2023/01/deckbuttons_feat.jpg?w=800)

If you play games on multiple consoles, you’re probably familiar with the occasional bout of uncertainty that comes with each system’s unique button arrangement. They’re all more or less in […read more](https://hackaday.com/2023/01/26/casting-custom-resin-buttons-for-the-steam-deck/) ⌘ [Read more](https://hackaday.com/2023/01/26/casting-custom-resin-buttons-for-the-steam-deck/)
2023-01-27T00:00:46Z	**Binary Watch Rocks a Bare PCB With Pride**
![](https://hackaday.com/wp-content/uploads/2023/01/F4RYTMSLDA92VCV-e1674712467925.jpg?w=800)

Most of us learn to read digital clocks first, which display the time in obvious numbers. Analog clocks are often learned later, with the hands taking our young brains a […read more](https://hackaday.com/2023/01/26/binary-watch-rocks-a-bare-pcb-with-pride/) ⌘ [Read more](https://hackaday.com/2023/01/26/binary-watch-rocks-a-bare-pcb-with-pride/)
2023-01-27T03:00:29Z	**Tracking Humans with WiFi**
![Four images in one. Top left is an image of four individuals in a room with whiteboards and desks in the background along with various clutter on the floor. Over the people is a wireframe overlay of their poses. The image on the top right is just the wireframe people on a black background. Bottom left image is of a single individual standing in a room with the pose wireframe overlay. Bottom right image is the single pose wireframe on a black background.](https://hackaday.com/wp-con ... ⌘ [Read more](https://hackaday.com/2023/01/26/tracking-humans-with-wifi/)
2023-01-27T06:00:38Z	**Lego Guitar Is Really an Ultrasonically-Controlled Synth**
![](https://hackaday.com/wp-content/uploads/2023/01/1-Lego-Guitar-Skills-99-Editing-Skills-1-3-screenshot-1-1.png?w=800)

The phrase “Lego Guitar” can be a stressful one to hear. You might imagine the idea of strings under tension and a subsequently exploding cloud of plastic shrapnel. This build […read more](https://hackaday.com/2023/01/26/lego-guitar-is-really-an-ultrasonically-controlled-synth/) ⌘ [Read more](https://hackaday.com/2023/01/26/lego-guitar-is-really-an-ultrasonically-controlled-synth/)
2023-01-27T09:00:36Z	**3D Printer Spool Roller Is Built For Giant Spools of Filament**
![](https://hackaday.com/wp-content/uploads/2023/01/MAKING-A-GIANT-SPOOL-ROLLER-WITH-A-LASER-CUTTER-7-12-screenshot.png?w=800)

Most 3D printers come with a pretty basic filament holder — often little more than a bar to hang the spool on. [Ivan Miranda]’s 3D printers run bigger spools than […read more](https://hackaday.com/2023/01/27/3d-printer-spool-roller-is-built-for-giant-spools-of-filament/) ⌘ [Read more](https://hackaday.com/2023/01/27/3d-printer-spool-roller-is-built-for-giant-spools-of-filament/)
2023-01-27T12:00:36Z	**Wolfenstein 3D, As You Never Imagined It.**
![](https://hackaday.com/wp-content/uploads/2023/01/cga-wolfie-featured.jpg?w=800)

When tracing the history of first-person shooting (FPS) games, where do you credit with the genesis of the genre? Anyone who played 3D Monster Maze on the Sinclair ZX81 might […read more](https://hackaday.com/2023/01/27/wolfenstein-3d-as-you-never-imagined-it/) ⌘ [Read more](https://hackaday.com/2023/01/27/wolfenstein-3d-as-you-never-imagined-it/)
2023-01-27T15:00:23Z	**This Week in Security: GTA, Apple and Android, and Insecure Boot**
![](https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800)

When we first saw tweets about a security issue in Grand Theft Auto V, it sounded a bit like a troll. “Press ‘alt and f4’ to unlock a cheat mode”, […read more](https://hackaday.com/2023/01/27/this-week-in-security-gta-apple-and-android-and-insecure-boot/) ⌘ [Read more](https://hackaday.com/2023/01/27/this-week-in-security-gta-apple-and-android-and-insecure-boot/)
2023-01-27T16:30:38Z	**ESP8266 Coaster Keeps Your Drink Warm**
![](https://hackaday.com/wp-content/uploads/2023/01/coaster_primary_0.png?w=800)

Looking for the perfect winter desk accessory? [Wq] has created a beautiful coaster made out of PCBs  that can keep your drink warm with an internal heater. (Chinese). An ESP8266 […read more](https://hackaday.com/2023/01/27/esp8266-coaster-keeps-your-drink-warm/) ⌘ [Read more](https://hackaday.com/2023/01/27/esp8266-coaster-keeps-your-drink-warm/)
2023-01-27T17:00:28Z	**Hackaday Podcast 203: Flashlight Fuel Fails, Weird DMA Machines, and a 3D Printed Prosthetic Hand Flex**
![](https://hackaday.com/wp-content/uploads/2016/05/microphone.jpg?w=800)

This week, Editor-in-Chief Elliot Williams and Managing Editor Tom Nardi meet up virtually to talk about all the hacks that are fit to print. This week’s episode starts off with […read more](https://hackaday.com/2023/01/27/hackaday-podcast-203-flashlight-fuel-fa ... ⌘ [Read more](https://hackaday.com/2023/01/27/hackaday-podcast-203-flashlight-fuel-fails-weird-dma-machines-and-a-3d-printed-prosthetic-hand-flex/)
2023-01-27T19:30:46Z	**LED Air Vent Gauges are a Tasteful Mod for the Mazda Miata**
![](https://hackaday.com/wp-content/uploads/2023/01/Screenshot-2023-01-25-161747-e1674625689391.png?w=800)

Anyone in the JDM scene can tell you, round air vents are prime real estate for round analog gauges. If you want a gauge but don’t want to block your […read more](https://hackaday.com/2023/01/27/led-air-vent-gauges-are-a-tasteful-mod-for-the-mazda-miata/) ⌘ [Read more](https://hackaday.com/2023/01/27/led-air-vent-gauges-are-a-tasteful-mod-for-the-mazda-miata/)
2023-01-27T21:00:04Z	**Cut Your Own Gears With This DIY Machine**
![](https://hackaday.com/wp-content/uploads/2023/01/Making-a-Gears-Cutting-Machine-8-4-screenshot.png?w=800)

You can buy gears off the shelf, of course, and get accurately machined parts exactly to your chosen specification. However, there’s something rugged and individualist about producing your own rotating components. […read more](https://hackaday.com/2023/01/27/cut-your-own-gears-with-this-diy-machine/) ⌘ [Read more](https://hackaday.com/2023/01/27/cut-your-own-gears-with-this-diy-machine/)
2023-01-28T00:00:28Z	**Reverse-Engineering the Conditional Jump Circuitry in the 8086 Processor**
![](https://hackaday.com/wp-content/uploads/2023/01/conditions-die.jpg?w=528)

As simple as a processor’s instruction set may seem, especially in a 1978-era one like the Intel 8086, there is quite a bit going on to go from something like […read more](https://hackaday.com/2023/01/27/reverse-engineering-the-conditional-jump-circuitry-in-the-8086-processor/) ⌘ [Read more](https://hackaday.com/2023/01/27/reverse-engineering-the-conditional-jump-circuitry-in-the-8086-processor/)
2023-01-28T03:00:41Z	**A Single-Resistor Radio Transmitter, Thanks to the Power of Noise**
![](https://hackaday.com/wp-content/uploads/2023/01/Screenshot-2023-01-25-at-15-42-30-2111.08629.pdf.png?w=544)

One of the great things about the Hackaday community is how quickly you find out what you don’t know. That’s not a bad thing, of course; after all, everyone is […read more](https://hackaday.com/2023/01/27/a-single-resistor-radio-transmitter-thanks-to-the-power-of-noise/) ⌘ [Read more](https://hackaday.com/2023/01/27/a-single-resistor-radio-transmitter-thanks-to-the-power-of-noise/)
2023-01-28T06:00:35Z	**FPS Game Engine Built in Ancient Macintosh HyperCard Software**
![](https://hackaday.com/wp-content/uploads/2023/01/5793871674628396365.png?w=800)

Wolfenstein 3D and Doom are great examples of early FPS games. Back in that era, as Amiga was slowly losing its gaming supremacy to the PC, Apple wasn’t even on the playing […read more](https://hackaday.com/2023/01/27/fps-game-engine-built-in-ancient-macintosh-hypercard-software/) ⌘ [Read more](https://hackaday.com/2023/01/27/fps-game-engine-built-in-ancient-macintosh-hypercard-software/)
2023-01-28T09:00:26Z	**The Times they are A-Chaining**
![](https://hackaday.com/wp-content/uploads/2023/01/clock-1.png?w=800)

If [Bob Dylan] had seen [Pgeschwi]’s bike chain clock, it might have influenced the famous song. The clock uses a stepper motor and a bike chain to create a clock […read more](https://hackaday.com/2023/01/28/the-times-they-are-a-chaining/) ⌘ [Read more](https://hackaday.com/2023/01/28/the-times-they-are-a-chaining/)
2023-01-28T12:00:56Z	**Original Controller Ports in Custom Case Means Retro Gaming In Style**
![](https://hackaday.com/wp-content/uploads/2023/01/Mister-case-with-classic-controller-ports.png?w=800)

Some careful measuring and a little extra effort can be all that separates what looks like a hack job from a slick end product, and that is apparent in [Eric […read more](https://hackaday.com/2023/01/28/original-controller-ports-in-custom-case-means-retro-gaming-in-style/) ⌘ [Read more](https://hackaday.com/2023/01/28/original-controller-ports-in-custom-case-means-retro-gaming-in-style/)
2023-01-28T15:00:27Z	**Speak to the Machine**
![](https://hackaday.com/wp-content/uploads/2018/06/machinetalk.jpg?w=800)

If you own a 3D printer, CNC router, or basically anything else that makes coordinated movements with a bunch of stepper motors, chances are good that it speaks G-code. Do […read more](https://hackaday.com/2023/01/28/speak-to-the-machine/) ⌘ [Read more](https://hackaday.com/2023/01/28/speak-to-the-machine/)
2023-01-28T18:00:33Z	**Toroidal Propellers Make Drones Less Annoying**
![A black quadcopter sits on a grey surface. In place of traditional propellers are four figure eight propellers with sharp tips where the top and bottom of the eight would be.](https://hackaday.com/wp-content/uploads/2023/01/Toroidal-Prop.jpg?w=800)

Despite being integral to aviation for more than a century, propellers have changed remarkably little since the Wright Brothers. A team at MIT’s Lincoln Lab has developed a new propeller […read mo ... ⌘ [Read more](https://hackaday.com/2023/01/28/toroidal-propellers-make-drones-less-annoying/)
2023-01-28T21:00:00Z	**An Atomic Pendulum Clock Accurate Enough for CERN**
![](https://hackaday.com/wp-content/uploads/2023/01/atomic-pendulum.jpg?w=800)

That big grandfather clock in the library might be an impressive piece of mechanical ingenuity, and an even better example of fine cabinetry, but we’d expect that the accuracy of […read more](https://hackaday.com/2023/01/28/an-atomic-pendulum-clock-accurate-enough-for-cern/) ⌘ [Read more](https://hackaday.com/2023/01/28/an-atomic-pendulum-clock-accurate-enough-for-cern/)
2023-01-29T00:00:00Z	**3D-Printed Servo Motor Has 360 Degrees of Rotation**
![](https://hackaday.com/wp-content/uploads/2023/01/FS2MUXCLD08YCEL-e1674712016531.jpg?w=800)

Hobby servos are nifty and useful for a wide range of projects. There’s nothing stopping you from building your own servos though, and you can even give them nifty features […read more](https://hackaday.com/2023/01/28/3d-printed-servo-motor-has-360-degrees-of-rotation/) ⌘ [Read more](https://hackaday.com/2023/01/28/3d-printed-servo-motor-has-360-degrees-of-rotation/)
2023-01-29T03:00:00Z	**Creative Vandalism The KITT Way**
![](https://hackaday.com/wp-content/uploads/2023/01/knightrider-court-featured.jpg?w=800)

It’s probable that most of us have at some time dreamed up a witty and subversive way to deface our city, but that few of us will have followed through […read more](https://hackaday.com/2023/01/28/creative-vandalism-the-kitt-way/) ⌘ [Read more](https://hackaday.com/2023/01/28/creative-vandalism-the-kitt-way/)
2023-01-29T06:00:00Z	**The Voice of ChatGPT Is Now On The Air**
![](https://hackaday.com/wp-content/uploads/2023/01/Talking-to-ChatGPT-over-DSTAR-digital-amateur-radio-0-7-screenshot.png?w=800)

AIs can now apparently carry on a passable conversation, depending on what you classify as passable conversation. The quality of your local pub’s banter aside, an AI stuck in a […read more](https://hackaday.com/2023/01/28/the-voice-of-chatgpt-is-now-on-the-air/) ⌘ [Read more](https://hackaday.com/2023/01/28/the-voice-of-chatgpt-is-now-on-the-air/)
2023-01-29T09:00:00Z	**Illuminate Your Benched Things with this Death Stranding Lamp**
![A montage of a "death stranding" lamp in two different color modes, purple on the left and blue on the right](https://hackaday.com/wp-content/uploads/2023/01/death_stranding_lamp_primary1.png?w=800)

[Pinkman] creates a smart RGB table lamp based off of the “Odradek device” robot arm from the video game “Death Stranding”. [Pinkman] adds a XIAO BLE nRF52840 Sense device, with […read more](https://hackaday.com/20 ... ⌘ [Read more](https://hackaday.com/2023/01/29/illuminate-your-benched-things-with-this-death-stranding-lamp/)
2023-01-29T12:00:00Z	**Opening a Safe With a Stepper Motor and DIY Auto-Dialer**
![](https://hackaday.com/wp-content/uploads/2023/01/safe_cracking_eNBeWe_featured-e1674936789278.jpg?w=800)

What do you do when you happen to come into possession of a safe of which the combination is lost to the sands of time? If you’re someone like [eNBeWe], […read more](https://hackaday.com/2023/01/29/opening-a-safe-with-a-stepper-motor-and-diy-auto-dialer/) ⌘ [Read more](https://hackaday.com/2023/01/29/opening-a-safe-with-a-stepper-motor-and-diy-auto-dialer/)
2023-01-29T15:00:00Z	**Wireless MiniDisc Walkman Has Bluetooth Inside**
![A MiniDisc Walkman, a MiniDisc and a pair of BlueTooth earphones](https://hackaday.com/wp-content/uploads/2023/01/BlueTooth-MiniDisc.jpeg?w=800)

For most people, MiniDisc is just one of countless media formats that became obsolete when music went online. Not so for MiniDisc enthusiasts, many of whom still use a MiniDisc […read more](https://hackaday.com/2023/01/29/wireless-minidisc-walkman-has-bluetooth-inside/) ⌘ [Read more](https://hackaday.com/2023/01/29/wireless-minidisc-walkman-has-bluetooth-inside/)
2023-01-29T18:00:00Z	**Self-Watering Planters Reuse Household Jars**
![](https://hackaday.com/wp-content/uploads/2023/01/self-watering-planters.jpg?w=800)

Self-watering planters are low-maintenance, and common DIY projects. What we like most about [Tommy]’s design is that it reuses empty jars to create self-watering planters. After all, jars are fantastic […read more](https://hackaday.com/2023/01/29/self-watering-planters-reuse-household-jars/) ⌘ [Read more](https://hackaday.com/2023/01/29/self-watering-planters-reuse-household-jars/)
2023-01-29T21:00:00Z	**Automatic On Air Light Prevents Distractions During Online Meetings**
![Two "On Air" signs](https://hackaday.com/wp-content/uploads/2023/01/ESP32-On-Air-Sign.png?w=800)

Remote working has become so normal that even important meetings are now routinely held online. But for those working from home there’s always the risk of pets or flatmates entering […read more](https://hackaday.com/2023/01/29/automatic-on-air-light-prevents-distractions-during-online-meetings/) ⌘ [Read more](https://hackaday.com/2023/01/29/automatic-on-air-light-prevents-distractions-during-online-meetings/)
2023-01-30T00:00:45Z	**Hackaday Links: January 29, 2023**
![Hackaday Links Column Banner](https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800)

We’ve been told for ages that “the robots are coming for our jobs!” It’s true that we’ve seen robots capable of everything from bugger flipping to bricklaying being demonstrated, and […read more](https://hackaday.com/2023/01/29/hackaday-links-january-29-2023/) ⌘ [Read more](https://hackaday.com/2023/01/29/hackaday-links-january-29-2023/)
2023-01-30T03:00:00Z	**Ambient Display Tells You if Borealis is Coming to Town**
![A wooden box sits on a darker wooden table. The box has a red, glowing number 8 on it.](https://hackaday.com/wp-content/uploads/2023/01/Northern-Lights-wide.jpg?w=800)

For those times when you’d rather not get sucked down another internet rabbit hole when you really just wanted the weather, an ambient display can be great. [AlexanderK106] built a […read more](https://hackaday.com/2023/01/29/ambient-display-tells-you-if-bo ... ⌘ [Read more](https://hackaday.com/2023/01/29/ambient-display-tells-you-if-borealis-is-coming-to-town/)
2023-01-30T06:00:00Z	**Surgery on An LED To Preserve Vintage Aesthetics**
![](https://hackaday.com/wp-content/uploads/2023/01/1-Lego-Guitar-Skills-99-Editing-Skills-1-3-screenshot-2.png?w=800)

[Chris Jones] recently found himself in a pickle. An indicator LED off an old piece of stereo equipment had failed. It was a strange rectangular type for which he could […read more](https://hackaday.com/2023/01/29/surgery-on-an-led-to-preserve-vintage-aesthetics/) ⌘ [Read more](https://hackaday.com/2023/01/29/surgery-on-an-led-to-preserve-vintage-aesthetics/)
2023-01-30T09:00:00Z	**Inside a 1940’s Spy Radio**
![](https://hackaday.com/wp-content/uploads/2023/01/rca.png?w=800)

The RCA CR-88 was a radio receiver made to work in top-secret government eavesdropping stations. As you might expect, these radios are top-of-the-line, performance-wise, at least when they are working […read more](https://hackaday.com/2023/01/30/inside-a-1940s-spy-radio/) ⌘ [Read more](https://hackaday.com/2023/01/30/inside-a-1940s-spy-radio/)
2023-01-30T12:00:00Z	**Wizards Get Creative, Maybe Save the World**
![](https://hackaday.com/wp-content/uploads/2023/01/OpenGaming.jpg?w=800)

While it’s not normal Hackaday fare, we’ve covered the Dungeons & Dragons licensing kerfuffle, partially because we’re all nerds at heart, and also because it’s worrying that an Open Source […read more](https://hackaday.com/2023/01/30/wizards-get-creative-maybe-save-the-world/) ⌘ [Read more](https://hackaday.com/2023/01/30/wizards-get-creative-maybe-save-the-world/)
2023-01-30T15:00:39Z	**What Losing Everything Taught Me About Backing Up**
![](https://hackaday.com/wp-content/uploads/2023/01/Losing.jpg?w=800)

Backing up. It’s such a simple thing on paper – making a copy of important files and putting them in a safe place. In reality, for many of us, it’s […read more](https://hackaday.com/2023/01/30/what-losing-everything-taught-me-about-backing-up/) ⌘ [Read more](https://hackaday.com/2023/01/30/what-losing-everything-taught-me-about-backing-up/)
2023-01-30T16:30:00Z	**RetroArch on a LeapFrog Leapster GS**
![A pink and white Leapster GS handheld console sits on a wooden table. It has a white D-pad and two large pink action buttons. A power cord extends from the bottom and a headphone cable comes out the top.](https://hackaday.com/wp-content/uploads/2023/01/Leapster.jpeg?w=800)

Retro games are a blast, and even more so when you can bring the fun on the go. [mac2612] has developed a custom retroarch-based firmware for the Leapster GS and […read more](https://hackaday ... ⌘ [Read more](https://hackaday.com/2023/01/30/retroarch-on-a-leapfrog-leapster-gs/)
2023-01-30T18:00:50Z	**Retro Gadgets: The CB Cell Phone**
![](https://hackaday.com/wp-content/uploads/2023/01/cb-1.png?w=800)

There was a time when one of the perks of having a ham radio in your car (or on your belt) was you could make phone calls using a “phone […read more](https://hackaday.com/2023/01/30/retro-gadgets-the-cb-cell-phone/) ⌘ [Read more](https://hackaday.com/2023/01/30/retro-gadgets-the-cb-cell-phone/)
2023-01-30T19:30:00Z	**1000 Aluminium Cans Cast Into A Guitar**
![](https://hackaday.com/wp-content/uploads/2023/01/I-Melted-1000-Cans-Into-A-Guitar-14-21-screenshot.png?w=800)

Aluminium cans are all around us, and are one of readily recyclable. While you can turn them into more cans, [Burls Art] had other ideas. Instead, he turned roughly 1000 […read more](https://hackaday.com/2023/01/30/1000-aluminium-cans-cast-into-a-guitar/) ⌘ [Read more](https://hackaday.com/2023/01/30/1000-aluminium-cans-cast-into-a-guitar/)
2023-01-30T21:00:16Z	**Converting a Sink to an Ultrasonic Cleaner**
![](https://hackaday.com/wp-content/uploads/2023/01/transducer-sink-main.png?w=800)

While ultrasonic cleaning might sound a bit like the “sonic shower” from Star Trek, this is actually one case where the futuristic-sounding technology predates its use in Sci-Fi. Ultrasonic cleaners […read more](https://hackaday.com/2023/01/30/converting-a-sink-to-an-ultrasonic-cleaner/) ⌘ [Read more](https://hackaday.com/2023/01/30/converting-a-sink-to-an-ultrasonic-cleaner/)
2023-01-31T00:00:01Z	**Retro Computer Enclosure Without the Sacrifice**
![](https://hackaday.com/wp-content/uploads/2023/01/retrowedge_feat.jpg?w=800)

The unique look of early desktop computer systems remains popular with a certain segment of geekdom, so it’s no great surprise when we occasionally see a modern hacker or maker […read more](https://hackaday.com/2023/01/30/retro-computer-enclosure-without-the-sacrifice/) ⌘ [Read more](https://hackaday.com/2023/01/30/retro-computer-enclosure-without-the-sacrifice/)
2023-01-31T03:00:04Z	**RF Spectrometer Sees Inside**
![](https://hackaday.com/wp-content/uploads/2023/01/spec.png?w=800)

Spectrometry is a well-known technique or, more correctly, a set of techniques. We usually think of it as the analysis of light to determine what chemicals are producing it. For […read more](https://hackaday.com/2023/01/30/rf-spectrometer-sees-inside/) ⌘ [Read more](https://hackaday.com/2023/01/30/rf-spectrometer-sees-inside/)
2023-01-31T06:00:32Z	**Classic Calculators Emulated in Browser**
![](https://hackaday.com/wp-content/uploads/2023/01/calculator-emulators-main.png?w=800)

The Multiple Arcade Machine Emulator, now known simply as MAME, started off as a project to emulate various arcade games. The project is still adding new games to its library, […read more](https://hackaday.com/2023/01/30/classic-calculators-emulated-in-browser/) ⌘ [Read more](https://hackaday.com/2023/01/30/classic-calculators-emulated-in-browser/)
2023-01-31T09:00:52Z	**Let this Minimal Desktop Weather Display Point the Way**
![A desktop weather display, with two yellow pointers, one for the time frame (Now, 3hr, 6hr, 12hr, 24hr, 48hr) and the other pointing to an iconographic description of the weather (sunny, cloudy, cloud with rain, cloud with lightning, snowflake and fog)](https://hackaday.com/wp-content/uploads/2023/01/desktop_weather_primary.png?w=800)

Much of the Northern Hemisphere is currently in the middle of winter, so what better way t ... ⌘ [Read more](https://hackaday.com/2023/01/31/let-this-minimal-desktop-weather-display-point-the-way/)
2023-01-31T12:00:00Z	**A Reverse Polish Calculator For Your Keychain**
![](https://hackaday.com/wp-content/uploads/2023/01/rpn-calc-featured.jpg?w=800)

As the smartphone has eaten ever more of the gatgets with which we once surrounded ourselves, it’s with some sadness that we note the calculator becoming a less common sight. […read more](https://hackaday.com/2023/01/31/a-reverse-polish-calculator-for-your-keychain/) ⌘ [Read more](https://hackaday.com/2023/01/31/a-reverse-polish-calculator-for-your-keychain/)
2023-01-31T15:00:31Z	**All About USB-C: Pinecil Soldering Iron**
![](https://hackaday.com/wp-content/uploads/2020/06/USBC.jpg?w=800)

As many people have pointed out, what matters with USB-C isn’t just the standard, it’s the implementations. After all, it’s the implementations that we actually have to deal with, and […read more](https://hackaday.com/2023/01/31/all-about-usb-c-pinecil-soldering-iron/) ⌘ [Read more](https://hackaday.com/2023/01/31/all-about-usb-c-pinecil-soldering-iron/)
2023-01-31T15:30:00Z	**Wooden Smartphone Sleeve Keeps You on Task**
![A grey smartphone sits inside a sleeve made of light brown wood veneer and a black felt interior.](https://hackaday.com/wp-content/uploads/2023/01/Wooden-Envelope-wide.jpg?w=800)

Smartphones are amazing tools, but sometimes they can be an equally amazing time suck. In an effort to minimize how much precious time goes down the drain, [Lance Pan and […read more](https://hackaday.com/2023/01/31/wooden-smartphone-sleeve-keeps-you-on-task/) ⌘ [Read more](https://hackaday.com/2023/01/31/wooden-smartphone-sleeve-keeps-you-on-task/)
2023-01-31T18:00:52Z	**Driverless Buses Take To The Road in Scotland**
![](https://hackaday.com/wp-content/uploads/2023/01/bus.jpg?w=800)

Scotland! It’s the land of tartans, haggis, and surprisingly-warm kilts. It’s also ground zero for the first trial of full-sized driverless buses in the United Kingdom. It’s not just automakers […read more](https://hackaday.com/2023/01/31/driverless-buses-take-to-the-road-in-scotland/) ⌘ [Read more](https://hackaday.com/2023/01/31/driverless-buses-take-to-the-road-in-scotland/)
2023-01-31T19:30:16Z	**Find SWD Points Quickly, No Extra Hardware Needed**
![The hack's author performing the operation described at his workdesk, with a separate camera window showing the acupuncture needles being used to touch the board points](https://hackaday.com/wp-content/uploads/2023/01/hadimg_quick_swd_feat.jpeg?w=800)

Say you’re tinkering with a smart device powered by a CPU that uses Serial Wire Debug (SWD), but doesn’t mark the testpoints. Finding SWD on a board — how hard […read more](https://hacka ... ⌘ [Read more](https://hackaday.com/2023/01/31/find-swd-points-quickly-no-extra-hardware-needed/)
2023-01-31T21:00:04Z	**KiCanvas Helps Teach And Share KiCad Projects In Browsers**
![Showing KiCanvas board viewer component inside a browser window, with a board being displayed and toggleable layers](https://hackaday.com/wp-content/uploads/2023/01/hadimg_thea_kicanvas_feat_2.png?w=800)

KiCad is undeniably the hacker favourite when it comes to PCB design, and we’ve built a large amount of infrastructure around it – plugins, integrations, exporters, viewers, and much more. […read more](https://hackada ... ⌘ [Read more](https://hackaday.com/2023/01/31/kicanvas-helps-teach-and-share-kicad-projects-in-browsers/)
2023-02-01T00:00:49Z	**Handmade GPS Tracker Keeps an Eye on Adventurous Cats**
![A ginger cat, wearing a blue harness with a brass and wooden box on its back](https://hackaday.com/wp-content/uploads/2023/01/Find-My-Cat.jpg?w=800)

One of the most convenient things about having cats is their independent lifestyle: most are happy to enjoy themselves outside all day, only coming back home when it’s time for […read more](https://hackaday.com/2023/01/31/handmade-gps-tracker-keeps-an-eye-on-adventurous-cats/) ⌘ [Read more](https://hackaday.com/2023/01/31/handmade-gps-tracker-keeps-an-eye-on-adventurous-cats/)
2023-02-01T03:00:35Z	**SteamDeck: Become Printer**
![SteamDeck connected to a laptop with a USB cable, showing the 'printed-out' document on its screen inside a PDF reader](https://hackaday.com/wp-content/uploads/2023/01/hadimg_steamdeck_printer_feat.png?w=800)

Wonderful things happen when we read the documentation. For instance, we’ve all seen a Raspberry Pi work as an Ethernet adapter over USB, or a ESP32-S2 presenting as a storage […read more](https://hackaday.com/2023/01/31/steamdeck-become-printer/) ⌘ [Read more](https://hackaday.com/2023/01/31/steamdeck-become-printer/)
2023-02-01T06:00:08Z	**A New Analog and CRT Neck Board for the MacIntosh SE**
![](https://hackaday.com/wp-content/uploads/2023/01/smc-se-analog-board-resurrections_featured.jpg?w=800)

Keeping a 35-year old system like the MacIntosh SE and its successor, the SE/30, up and running requires the occasional replacement parts. As an all-in-one system, the analog board that […read more](https://hackaday.com/2023/01/31/a-new-analog-and-crt-neck-board-for-the-macintosh-se/) ⌘ [Read more](https://hackaday.com/2023/01/31/a-new-analog-and-crt-neck-board-for-the-macintosh-se/)
2023-02-01T09:00:12Z	**DIY Adjustable Wrench? Nuts!**
![](https://hackaday.com/wp-content/uploads/2023/01/wrench.png?w=800)

What do you do if you want a tiny little adjustable wrench? If you’re [my mechanics] you build your own. Where do you get the stock metal? Well, he started […read more](https://hackaday.com/2023/02/01/diy-adjustable-wrench-nuts/) ⌘ [Read more](https://hackaday.com/2023/02/01/diy-adjustable-wrench-nuts/)
2023-02-01T12:00:27Z	**Counterfeit Cisco Hardware Bypasses Security Checks With Modchips**
![A modchip described in the article - a small PCB with an epoxy blob on it, soldered to the Cisco switch PCB using four thin wires](https://hackaday.com/wp-content/uploads/2023/01/hadimg_cisco_modchip_feat.png?w=800)

Some pictures recently surfaced on social media, showing a small PCB tapped into four points on Cisco-branded boards. What is this about? A NSA backdoor so data can be exfiltrated […read mo ... ⌘ [Read more](https://hackaday.com/2023/02/01/counterfeit-cisco-hardware-bypasses-security-checks-with-modchips/)
2023-02-01T15:00:37Z	**The Radioactive Source Missing in Australian Desert Has Been Found**
![](https://hackaday.com/wp-content/uploads/2023/02/8679e67d-b42e-42e6-8810-18f479ad0381_featured.png?w=800)

Nuclear material is relatively safe when used, stored, and managed properly. This generally applies to a broad range of situations, from nuclear medicine to nuclear power generation. Some may argue […read more](https://hackaday.com/2023/02/01/the-radioactive-source-missing-in-australian-desert-h ... ⌘ [Read more](https://hackaday.com/2023/02/01/the-radioactive-source-missing-in-australian-desert-has-been-found/)
2023-02-01T16:30:00Z	**Electronic Shoe Explores Alleged Chess Misbehavior**
![](https://hackaday.com/wp-content/uploads/2023/01/chess-shoe-main.png?w=800)

A few months ago, a scandal erupted in the chess world which led to some pretty wild speculation around a specific chess player. We won’t go into any of the […read more](https://hackaday.com/2023/02/01/electronic-shoe-explores-alleged-chess-misbehavior/) ⌘ [Read more](https://hackaday.com/2023/02/01/electronic-shoe-explores-alleged-chess-misbehavior/)
2023-02-01T18:00:45Z	**Detecting Machine-Generated Content: an Easier Task for Machine or Human?**
![](https://hackaday.com/wp-content/uploads/2023/02/ChatGPT-1.jpg?w=800)

In today’s world we are surrounded by various sources of written information, information which we generally assume to have been written by other humans. Whether this is in the form […read more](https://hackaday.com/2023/02/01/detecting-machine-generated-content-an-easier-task-for-machine-or-human/) ⌘ [Read more](https://hackaday.com/2023/02/01/detecting-machine-generated-content-an-easier-task-for-machine-or-human/)
2023-02-01T19:30:39Z	**Electron Microscope Conversion Hack**
![](https://hackaday.com/wp-content/uploads/2023/01/sem.png?w=800)

Some of you probably know this already, but there’s actually more than one kind of electron microscope. In electronics work, the scanning electron microscope (SEM) is the most common. You […read more](https://hackaday.com/2023/02/01/electron-microscope-conversion-hack/) ⌘ [Read more](https://hackaday.com/2023/02/01/electron-microscope-conversion-hack/)
2023-02-01T21:00:07Z	**Comparing Cheap Capacitative Soil Moisture Sensors With Commercial Sensors**
![](https://hackaday.com/wp-content/uploads/2023/02/soil-sensor-featured.jpg?w=800)

When your residence has soil moisture sensors embedded that were dictated by your friendly neighborhood HoA, you may start asking questions about the system used. That’s what [Modest Maker] did […read more](https://hackaday.com/2023/02/01/comparing-cheap-capacitative-soil-moisture-sensors-with-commercial ... ⌘ [Read more](https://hackaday.com/2023/02/01/comparing-cheap-capacitative-soil-moisture-sensors-with-commercial-sensors/)
2023-02-02T00:00:53Z	**Want Better 0402 Reflow? Consider These Footprints!**
![A graphic showing the suggested footprint dimensions for 0402 parts](https://hackaday.com/wp-content/uploads/2023/01/hadimg_0402_fp_feat.png?w=800)

Assembling with a stencil is just that much more convenient – it’s a huge timesaver, and your components no longer need to be individually touched with a soldering iron for […read more](https://hackaday.com/2023/02/01/want-better-0402-reflow-consider-these-footprints/) ⌘ [Read more](https://hackaday.com/2023/02/01/want-better-0402-reflow-consider-these-footprints/)
2023-02-02T03:00:21Z	**Not a Pot, Not an Encoder: Exploring Synchros for Rotational Sensing**
![](https://hackaday.com/wp-content/uploads/2023/01/test-setup-with-altitude-alerter1.jpg?w=800)

We’re all familiar with getting feedback from a rotating shaft, for which we usually employ a potentiometer or encoder. But there’s another device that, while less well-known, has some advantages […read more](https://hackaday.com/2023/02/01/not-a-pot-not-an-encoder-exploring-synchros-for-rotational-sensin ... ⌘ [Read more](https://hackaday.com/2023/02/01/not-a-pot-not-an-encoder-exploring-synchros-for-rotational-sensing/)
2023-02-02T06:00:30Z	**ChipWhisperer Adapter Helps Reverse-Engineer A Controversial Game Cartridge**
![The Chipwhisperer adapter plugged into a ChipWhisperer, with the STM chip mentiuoned soldered on](https://hackaday.com/wp-content/uploads/2023/01/hadimg_game_chipwhisperer_feat.jpg?w=800)

The ChipWhisperer has been a breakthrough in hobbyist use of power analysis and glitching attacks on embedded hardware. If you own one, you surely have seen the IDC and SMA […read more](https://hac ... ⌘ [Read more](https://hackaday.com/2023/02/01/chipwhisperer-adapter-helps-reverse-engineer-a-controversial-game-cartridge/)
2023-02-02T09:00:21Z	**Copy and Paste Lithium Battery Protection**
![](https://hackaday.com/wp-content/uploads/2023/01/charger-main.jpg?w=800)

Lithium batteries have, nearly single-handedly, ushered in the era of the electric car, as well as battery energy storage of grid power and plenty of other technological advances not possible […read more](https://hackaday.com/2023/02/02/copy-and-paste-lithium-battery-protection/) ⌘ [Read more](https://hackaday.com/2023/02/02/copy-and-paste-lithium-battery-protection/)
2023-02-02T12:00:23Z	**Cheap Kitchen Scale Learns to Speak JSON With ESP32**
![](https://hackaday.com/wp-content/uploads/2023/01/smart-scale-featured.jpg?w=800)

Smart kitchen appliances are expensive, and more often than not, your usage data goes to whichever company operates the inevitable cloud service. Meanwhile the cheap ones contain substantially the same […read more](https://hackaday.com/2023/02/02/cheap-kitchen-scale-learns-to-speak-json-with-esp32/) ⌘ [Read more](https://hackaday.com/2023/02/02/cheap-kitchen-scale-learns-to-speak-json-with-esp32/)
2023-02-02T15:00:32Z	**China’s New 100 MPH Train Runs on Hydrogen and Supercaps**
![](https://hackaday.com/wp-content/uploads/2023/02/hydrogen_train.jpg?w=800)

Electric cars are very much en vogue right now, as the world tries to clean up on emissions and transition to a more sustainable future. However, these vehicles require huge […read more](https://hackaday.com/2023/02/02/chinas-new-100-mph-train-runs-on-hydrogen-and-supercaps/) ⌘ [Read more](https://hackaday.com/2023/02/02/chinas-new-100-mph-train-runs-on-hydrogen-and-supercaps/)
2023-02-02T16:30:28Z	**Let’s Make SCPI More Helpful**
![Screenshot of a terminal showing the HELP command in action - outputting descriptions of other commands](https://hackaday.com/wp-content/uploads/2023/01/hadimg_scpi_helpq_feat.png?w=800)

The SCPI (Standards Command for Programmable Instruments) protocol is exceptionally popular in lab and workspace tools, letting you configure and fetch data from oscilloscopes and lab scales alike in a […read more](https://hackaday.com/2023/02/02/lets-make-scpi-more-helpful/) ⌘ [Read more](https://hackaday.com/2023/02/02/lets-make-scpi-more-helpful/)
2023-02-02T18:00:46Z	**Now ChatGPT Can Make Breakfast For Me**
![](https://hackaday.com/wp-content/uploads/2023/01/breakfast-featured.jpg?w=800)

The world is abuzz with tales of the ChatGPT AI chatbot, and how it can do everything, except perhaps make the tea. It seems it can write code, which is […read more](https://hackaday.com/2023/02/02/now-chatgpt-can-make-breakfast-for-me/) ⌘ [Read more](https://hackaday.com/2023/02/02/now-chatgpt-can-make-breakfast-for-me/)
2023-02-02T19:30:13Z	**Audio Playback Toy For DSP Adventures**
![](https://hackaday.com/wp-content/uploads/2023/01/audio-toy-main.png?w=800)

The declining costs of single-board computers has made serious computing power available for even the most trivial of tasks. It’s easy enough to slap a Raspberry Pi onto almost anything […read more](https://hackaday.com/2023/02/02/audio-playback-toy-for-dsp-adventures/) ⌘ [Read more](https://hackaday.com/2023/02/02/audio-playback-toy-for-dsp-adventures/)
2023-02-02T21:00:34Z	**Build a Circuit Sculpture-Style VU Meter For Music**
![](https://hackaday.com/wp-content/uploads/2023/02/✅-Led-sound-level-indicator-with-your-own-hands-All-genius-is-simple-✅-6-10-screenshot.png?w=800)

One of the coolest things any sound system can have is some kind of musical visualization. Thumping level meters that pump with the volume are a great example, and were […read more](https://hackaday.com/2023/02/02/build-a-circuit-sculpture-style-vu-meter-for-music/) ⌘ [Read more](https://hackaday.com/2023/02/02/build-a-circuit-sculpture-style-vu-meter-for-music/)
2023-02-03T00:00:18Z	**Building An All-in-One Desktop Out Of Framework Parts**
![](https://hackaday.com/wp-content/uploads/2023/01/hadimg_framework_aio_feat.jpeg?w=800)

The Framework laptop prides itself on having reusable parts, and hackers all around routinely challenge the claims by building projects reusing them. Yet again, [whatthefilament] puts the Framework hardware to […read more](https://hackaday.com/2023/02/02/building-an-all-in-one-desktop-out-of-framework-parts/) ⌘ [Read more](https://hackaday.com/2023/02/02/building-an-all-in-one-desktop-out-of-framework-parts/)
2023-02-03T03:00:05Z	**Brass Hardware Makes For Pretty Potentiometer Knobs**
![](https://hackaday.com/wp-content/uploads/2023/02/FQ67R2HLDK93FJV-e1675302745790.jpg?w=800)

Knobs and switches can make or break the aesthetic and tactile appeal of a project. Fine hi-fi hardware goes hard on these details, while cheap knock-off guitar pedals often go […read more](https://hackaday.com/2023/02/02/brass-hardware-makes-for-pretty-potentiometer-knobs/) ⌘ [Read more](https://hackaday.com/2023/02/02/brass-hardware-makes-for-pretty-potentiometer-knobs/)
2023-02-03T06:00:47Z	**A Disposable Dumper For ROM Chips With A Pi Pico**
![Picture of the dumper board, with a ROM chip and a Pi Pico inserted](https://hackaday.com/wp-content/uploads/2023/01/hadimg_pico_romdumper_feat.jpg?w=800)

ROM dumping is vital for preserving old hardware, and we’ve seen many hacks dedicated to letting someone dump a ROM and send its contents to some hacker stuck with a […read more](https://hackaday.com/2023/02/02/a-disposable-dumper-for-rom-chips-with-a-pi-pico/) ⌘ [Read more](https://hackaday.com/2023/02/02/a-disposable-dumper-for-rom-chips-with-a-pi-pico/)
2023-02-03T09:00:03Z	**The Struggle of Keeping a 1950s Candlepin Bowling System Working**
![](https://hackaday.com/wp-content/uploads/2023/01/candlepinbowlingsofiaaldinio4_slide-6641f28feb974f5e4deb07b64630e6bb1903e2f0.jpg?w=800)

When we hear the term ‘bowling’, most of us think of what is known as ten-pin bowling, yet this is only one of the many variations. Candlepin bowling — so […read more](https://hackaday.com/2023/02/03/the-struggle-of-keeping-a-1950s-candlepin-bowling-system-working/) ⌘ [Read more](https://hackaday.com/2023/02/03/the-struggle-of-keeping-a-1950s-candlepin-bowling-system-working/)
2023-02-03T12:00:05Z	**End Of An Automation Era As Twitter Closes Its Doors To Free API Access**
![](https://hackaday.com/wp-content/uploads/2023/02/twitter-bots-featured.jpg?w=800)

Over the last few months since Elon Musk bought Twitter there has been a lot of comment and reaction, but not much with relevance to Hackaday readers. Today though that […read more](https://hackaday.com/2023/02/03/end-of-an-automation-era-as-twitter-closes-its-doors-to-free-api-access/) ⌘ [Read more](https://hackaday.com/2023/02/03/end-of-an-automation-era-as-twitter-closes-its-doors-to-free-api-access/)
2023-02-03T15:00:37Z	**This Week in Security: Github, Google, and Realtek**
![](https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800)

GitHub Desktop may have stopped working for you yesterday, Febuary 2nd. The reason was an unauthorized access to some decidedly non-public repositories. The most serious bit of information that escaped […read more](https://hackaday.com/2023/02/03/this-week-in-security-github-google-and-realtek/) ⌘ [Read more](https://hackaday.com/2023/02/03/this-week-in-security-github-google-and-realtek/)
2023-02-03T16:00:00Z	**MCP23017 Went Through Shortage Hell, Lost Two Inputs**
![Showing two MCP23017 expanders soldered onto a PCB](https://hackaday.com/wp-content/uploads/2023/01/hadimg_mcp23017_change_feat.jpg?w=800)

The MCP23017, a 16-bit I2C GPIO expander, has always been a tasty chip. With 16 GPIOs addressable over I2C, proper push/pull outputs, software-enabled pull-ups, eight addresses, maskable interrupts for all […read more](https://hackaday.com/2023/02/03/mcp23017-went-through-shortage-hell-lost-t ... ⌘ [Read more](https://hackaday.com/2023/02/03/mcp23017-went-through-shortage-hell-lost-two-inputs/)
2023-02-03T17:00:29Z	**Hackaday Podcast 204: Cesium, Colorful Cast Buttons, and CNC Pizza**
![](https://hackaday.com/wp-content/uploads/2016/05/microphone.jpg?w=800)

This week, Editor-in-Chief Elliot Williams and Assignments Editor Kristina Panos met up over thousands of miles to discuss the hottest hacks of the past seven days. There’s a whole lot […read more](https://hackaday.com/2023/02/03/hackaday-podcast-204-cesium-colorful-cast-buttons-and-cnc-pizza/) ⌘ [Read more](https://hackaday.com/2023/02/03/hackaday-podcast-204-cesium-colorful-cast-buttons-and-cnc-pizza/)
2023-02-03T18:00:27Z	**Smart Ovens Are Doing Dumb Checks For Internet Connectivity**
![](https://hackaday.com/wp-content/uploads/2015/10/internet-of-things-toaster-featured-1.jpg?w=800)

If you’ve ever worked in IT support, you’ll be familiar with users calling in to check if the Internet is up every few hours or so. Often a quick refresh […read more](https://hackaday.com/2023/02/03/smart-ovens-are-doing-dumb-checks-for-internet-connectivity/) ⌘ [Read more](https://hackaday.com/2023/02/03/smart-ovens-are-doing-dumb-checks-for-internet-connectivity/)
2023-02-03T19:30:16Z	**Building a Fake Printer to Grab Screenshots Off the Parallel Port**
![](https://hackaday.com/wp-content/uploads/2023/01/parallel2usb_v2_3d.png?w=800)

[Tom Verbeure] recently found himself lamenting the need to take screen grabs from an Advantest R3273 spectrum analyzer with a phone camera, as the older gear requires you to either […read more](https://hackaday.com/2023/02/03/building-a-fake-printer-to-grab-screenshots-off-the-parallel-port/) ⌘ [Read more](https://hackaday.com/2023/02/03/building-a-fake-printer-to-grab-screenshots-off-the-parallel-port/)
2023-02-03T21:00:07Z	**Dad Builds Frickin’ Tank For His Son**
![](https://hackaday.com/wp-content/uploads/2023/01/MWIG_tank_featured.png?w=800)

We gotta love hacker Dads and Moms for being so awesome. Sooner or later, their kids get to play with some amazing toy that every other kid on the block […read more](https://hackaday.com/2023/02/03/dad-builds-frickin-tank-for-his-son/) ⌘ [Read more](https://hackaday.com/2023/02/03/dad-builds-frickin-tank-for-his-son/)
2023-02-04T00:00:03Z	**Levitating Banana Is An Excellent Conversation Starter**
![](https://hackaday.com/wp-content/uploads/2023/02/Electromagnetic-levitation-using-hall-effect-sensor-0-0-screenshot.png?w=800)

“I really like your floating banana.” If that’s something you’ve always wanted your guests to say when visiting your living room, this levitating banana project from [ElectroBing] is for you. […read more](https://hackaday.com/2023/02/03/levitating-banana-is-an-excellent-conversation-starter/) ⌘ [Read more](https://hackaday.com/2023/02/03/levitating-banana-is-an-excellent-conversation-starter/)
2023-02-04T03:00:03Z	**Scratch Your Itch to Program a Microcontroller**
![](https://hackaday.com/wp-content/uploads/2023/02/block.png?w=620)

One of the fun things about “old school” computers is that it was fairly easy to get kids into programming them. The old Basic interpreters were pretty forgiving, and you […read more](https://hackaday.com/2023/02/03/scratch-your-itch-to-program-a-microcontroller/) ⌘ [Read more](https://hackaday.com/2023/02/03/scratch-your-itch-to-program-a-microcontroller/)
2023-02-04T06:00:41Z	**Candy Blaster Lets You Shoot PEZ At Your Friends**
![](https://hackaday.com/wp-content/uploads/2023/02/PXL_20230127_202309264-4-e1675303843889.jpg?w=800)

Nerf Blasters are great fun to play with, but you really shouldn’t eat the foam darts. Conversely, Pez dispensers are fussy and kind of boring, but the candy is a […read more](https://hackaday.com/2023/02/03/candy-blaster-lets-you-shoot-pez-at-your-friends/) ⌘ [Read more](https://hackaday.com/2023/02/03/candy-blaster-lets-you-shoot-pez-at-your-friends/)
2023-02-04T09:00:27Z	**Mechanical Keyboard Is Also a Mouse**
![](https://hackaday.com/wp-content/uploads/2023/01/mouseky-main.png?w=800)

The mechanical keyboard community is a vibrant, if not fanatical, group of enthusiasts determined to find as many possible ways of assembling, building, and using as many high-quality keyboards as […read more](https://hackaday.com/2023/02/04/mechanical-keyboard-is-also-a-mouse/) ⌘ [Read more](https://hackaday.com/2023/02/04/mechanical-keyboard-is-also-a-mouse/)
2023-02-04T12:00:07Z	**Experimenting with 20 Meters of Outlet Adapters**
![](https://hackaday.com/wp-content/uploads/2023/01/283-feature.png?w=800)

You may have seen some of the EEVblog dumpster dive videos, where [Dave Jones] occasionally finds perfectly good equipment that’s been tossed out. But this time, rather than a large […read more](https://hackaday.com/2023/02/04/experimenting-with-20-meters-of-outlet-adapters/) ⌘ [Read more](https://hackaday.com/2023/02/04/experimenting-with-20-meters-of-outlet-adapters/)
2023-02-04T15:00:28Z	**Copyright Data, But do it Right**
![](https://hackaday.com/wp-content/uploads/2023/02/robin_hood.jpg?w=800)

Copyright law is a triple-edged sword. Historically, it has been used to make sure that authors and rock musicians get their due, but it’s also been extended to the breaking […read more](https://hackaday.com/2023/02/04/copyright-data-but-do-it-right/) ⌘ [Read more](https://hackaday.com/2023/02/04/copyright-data-but-do-it-right/)
2023-02-04T18:00:00Z	**Fulcrum Foils Finger Fatigue**
![](https://hackaday.com/wp-content/uploads/2023/01/fulcrum_feat.jpg?w=800)

It turns out that typing all day just might be bad for your hands and fingers. Repetitive Strain Injury, RSI, was a real problem for [David Schiller], particularly when coding. […read more](https://hackaday.com/2023/02/04/fulcrum-foils-finger-fatigue/) ⌘ [Read more](https://hackaday.com/2023/02/04/fulcrum-foils-finger-fatigue/)
2023-02-04T21:00:55Z	**The WiC64 Brings Classic Commodores Online, Google Maps Included**
![A Commodore 64 accessing an online service](https://hackaday.com/wp-content/uploads/2023/02/WiC64-in-action.png?w=800)

A computing platform is never really dead unless people stop developing new software for it. By that measure, the Commodore 64 is alive and well: new games, demos, and utilities […read more](https://hackaday.com/2023/02/04/the-wic64-brings-classic-commodores-online-google-maps-included/) ⌘ [Read more](https://hackaday.com/2023/02/04/the-wic64-brings-classic-commodores-online-google-maps-included/)
2023-02-05T00:00:14Z	**MCM/70 Replica Embodies Proud Canadian Heritage**
![A visually accurate replica of the MCM/70 computer, an all in one system with a keyboard, dual cassette drives and a small one line display](https://hackaday.com/wp-content/uploads/2023/02/mcm_feature.jpg?w=800)

When a vintage computer is all but unobtanium, software emulation is often all that remains. Unless you are [Michael Gardi], who saw an opportunity to reproduce Canada’s home-grown MCM/70 microcomputer […read more](https://hackad ... ⌘ [Read more](https://hackaday.com/2023/02/04/mcm-70-replica-embodies-proud-canadian-heritage/)
2023-02-05T03:00:35Z	**Reliving a Bitmapped Past With a Veritable Hoard of Bitmap Fonts**
![](https://hackaday.com/wp-content/uploads/2023/02/c64_shifted_bitmap_font.png?w=578)

The fonts seen with old computer systems such as those from Apple and Commodore, as well as Microsoft Windows 3.1 and older, form an integral part of our interaction with […read more](https://hackaday.com/2023/02/04/reliving-a-bitmapped-past-with-a-veritable-hoard-of-bitmap-fonts/) ⌘ [Read more](https://hackaday.com/2023/02/04/reliving-a-bitmapped-past-with-a-veritable-hoard-of-bitmap-fonts/)
2023-02-05T06:00:33Z	**3 Ways to DIY Custom CNC Dust Covers**
![](https://hackaday.com/wp-content/uploads/2023/02/dust_shield_installed.jpg?w=800)

Home shop machinists know dust shields are important for keeping swarf out of expensive linear rails and ball screws. [Petteri Aimonen] demonstrates three inexpensive ways to DIY some bellows-style dust […read more](https://hackaday.com/2023/02/04/3-ways-to-diy-custom-cnc-dust-covers/) ⌘ [Read more](https://hackaday.com/2023/02/04/3-ways-to-diy-custom-cnc-dust-covers/)
2023-02-05T09:00:44Z	**Sundial Collection is 2D Printed**
![](https://hackaday.com/wp-content/uploads/2023/02/sun.png?w=800)

We see a lot of clocks, and many of the better ones have some 3D printed elements to them. But [Carl Sabanski] shows us his kits for making sundials for […read more](https://hackaday.com/2023/02/05/sundial-collection-is-2d-printed/) ⌘ [Read more](https://hackaday.com/2023/02/05/sundial-collection-is-2d-printed/)
2023-02-05T12:00:21Z	**The Effect of Filament Color on Print Strength and More**
![](https://hackaday.com/wp-content/uploads/2023/02/pla_tensile_tests.jpg?w=800)

What is an FDM filament coloring’s purpose but to be an aesthetic choice? As it turns out, the additives that create these changes in coloring and transparency also affect the […read more](https://hackaday.com/2023/02/05/the-effect-of-filament-color-on-print-strength-and-more/) ⌘ [Read more](https://hackaday.com/2023/02/05/the-effect-of-filament-color-on-print-strength-and-more/)
2023-02-05T15:00:26Z	**Need To Dump A Protected STM32F0x? Use Your Pico!**
![Dumping script window, showing the bytes being dumped one by one from the STM chip](https://hackaday.com/wp-content/uploads/2023/01/hadimg_stm_quickdump_feat.png?w=800)

Sometimes, security mechanisms can be bypassed if you just do things slightly out of the ordinary. For instance, readout protection on microcontrollers is a given nowadays, to the point where […read more](https://hackaday.com/2023/02/05/need-to-dump-a-protected-stm32f0x ... ⌘ [Read more](https://hackaday.com/2023/02/05/need-to-dump-a-protected-stm32f0x-use-your-pico/)
2023-02-05T18:00:09Z	**Dishwasher Repair Nightmare: Chasing Down 3 Faults**
![](https://hackaday.com/wp-content/uploads/2023/02/IMG_20220310_091538352_HDR.jpg?w=800)

It all started with a vague error code (shown in the image above) on [nophead]’s Bosch SMS88TW01G/01 dishwasher, and it touched off a months-long repair nightmare that even involved a […read more](https://hackaday.com/2023/02/05/dishwasher-repair-nightmare-chasing-down-3-faults/) ⌘ [Read more](https://hackaday.com/2023/02/05/dishwasher-repair-nightmare-chasing-down-3-faults/)
2023-02-05T21:00:05Z	**Behold a Microscope That Sees By Squashing Things Into It**
![](https://hackaday.com/wp-content/uploads/2023/02/This-microscope-uses-touch-wide.png?w=800)

“Look with your eyes, not your hands” is something many of us have heard while growing up, but that doesn’t apply to the touch-sensitive microscope [Steve Mould] got to play […read more](https://hackaday.com/2023/02/05/behold-a-microscope-that-sees-by-squashing-things-into-it/) ⌘ [Read more](https://hackaday.com/2023/02/05/behold-a-microscope-that-sees-by-squashing-things-into-it/)
2023-02-06T00:00:02Z	**Hackaday Links: February 5, 2023**
![Hackaday Links Column Banner](https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800)

Well, this week’s Links article is likely to prove a bit on the spicy side, thanks in no small part to the Chinese balloon that spent the better part of […read more](https://hackaday.com/2023/02/05/hackaday-links-february-5-2023/) ⌘ [Read more](https://hackaday.com/2023/02/05/hackaday-links-february-5-2023/)
2023-02-06T03:00:12Z	**Hacking the Python For Loop**
![](https://hackaday.com/wp-content/uploads/2023/02/python.png?w=800)

In the early days of C, you’d occasionally see someone — probably a former Pascal programmer — write something like this: #define BEGIN { #define END } This would usually […read more](https://hackaday.com/2023/02/05/hacking-the-python-for-loop/) ⌘ [Read more](https://hackaday.com/2023/02/05/hacking-the-python-for-loop/)
2023-02-06T06:00:50Z	**Equipping Rats With Backpacks to Find Victims Under Rubble**
![](https://hackaday.com/wp-content/uploads/2023/02/rescuerats_apopo_featured.jpg?w=800)

When it comes to demining or finding victims after a disaster, dogs are well-known to aid humans by sniffing out threats and trapped humans with ease. Less well-known, but no […read more](https://hackaday.com/2023/02/05/equipping-rats-with-backpacks-to-find-victims-under-rubble/) ⌘ [Read more](https://hackaday.com/2023/02/05/equipping-rats-with-backpacks-to-find-victims-under-rubble/)
2023-02-06T09:00:46Z	**Ikea Clock Gets Wanderlust**
![](https://hackaday.com/wp-content/uploads/2023/02/clock.png?w=608)

We always enjoy unique clocks, and a recent 3D print from [David Kingsman] caught our eye. It converts an Ikea clock into a very unusual-looking “wandering hour” clock that uses […read more](https://hackaday.com/2023/02/06/ikea-clock-gets-wanderlust/) ⌘ [Read more](https://hackaday.com/2023/02/06/ikea-clock-gets-wanderlust/)
2023-02-06T12:00:27Z	**Surfing the Web Like it’s 1978 — Carbonyl**
![](https://hackaday.com/wp-content/uploads/2023/02/Carbonyl-Google.png?w=764)

[Fathy] gets a kick out of doing odd things with Chromium, and Carbonyl is a clever byproduct of that hobby. In this case, it’s what you get when you connect […read more](https://hackaday.com/2023/02/06/surfing-the-web-like-its-1978-carbonyl/) ⌘ [Read more](https://hackaday.com/2023/02/06/surfing-the-web-like-its-1978-carbonyl/)
2023-02-06T15:00:21Z	**Ask Hackaday: The Ten Dollar Digital Mixing Desk?**
![](https://hackaday.com/wp-content/uploads/2023/01/ten-dollar-mixer-featured.jpg?w=800)

There comes a point in every engineer’s life at which they need a mixing desk, and for me that point is now. But the marketplace for a cheap small mixer […read more](https://hackaday.com/2023/02/06/ask-hackaday-the-ten-dollar-digital-mixing-desk/) ⌘ [Read more](https://hackaday.com/2023/02/06/ask-hackaday-the-ten-dollar-digital-mixing-desk/)
2023-02-06T16:30:30Z	**Create Your RTL Simulations With KiCAD**
![](https://hackaday.com/wp-content/uploads/2023/02/Snap-2023-02-04-at-21.20.16-featured.png?w=800)

[Bob Alexander] is in the process of designing a homebrew discrete TTL CPU, and wanted a way to enter schematics for digital simulations via a Verilog RTL flow. Since KiCAD […read more](https://hackaday.com/2023/02/06/create-your-rtl-simulations-with-kicad/) ⌘ [Read more](https://hackaday.com/2023/02/06/create-your-rtl-simulations-with-kicad/)
2023-02-06T18:00:26Z	**Jupiter’s Moon Io Could Play Host to Life**
![](https://hackaday.com/wp-content/uploads/2023/02/Full_Disk_Views_of_Io-GPN-2000-000463_featured.png?w=800)

It was many years ago now when David Bowie asked if there was life on Mars. Since then, we’ve concluded there isn’t, much to everyone’s disappointment. That left scientists the […read more](https://hackaday.com/2023/02/06/jupiters-moon-io-could-play-host-to-life/) ⌘ [Read more](https://hackaday.com/2023/02/06/jupiters-moon-io-could-play-host-to-life/)
2023-02-06T19:30:59Z	**Arduino Does SDI Video with FPGA Help**
![](https://hackaday.com/wp-content/uploads/2023/02/sdi.gif?w=732)

If you are running video around your home theater, you probably use HDMI. If you are running it in a professional studio, however, you are probably using SDI, Serial Digital […read more](https://hackaday.com/2023/02/06/arduino-does-sdi-video-with-fpga-help/) ⌘ [Read more](https://hackaday.com/2023/02/06/arduino-does-sdi-video-with-fpga-help/)
2023-02-06T21:00:14Z	**SDR Scanner Listens to Everything**
![](https://hackaday.com/wp-content/uploads/2023/02/sdr-waterfall-featured.jpg?w=800)

In the old days, scanners would listen to a bunch of channels in a round-robin fashion. If a signal breaks the squelch, the scanner stops and scanning continues scanning after […read more](https://hackaday.com/2023/02/06/sdr-scanner-listens-to-everything/) ⌘ [Read more](https://hackaday.com/2023/02/06/sdr-scanner-listens-to-everything/)
2023-02-07T00:00:50Z	**Custom Enclosure for 3D Printer**
![](https://hackaday.com/wp-content/uploads/2023/02/custom_3D_printer_enclosure_featured.jpg?w=800)

Having an enclosure around an FDM 3D printer is generally a good idea, even when printing only with PLA, as it keeps the noise in, and the heat (and smell, […read more](https://hackaday.com/2023/02/06/custom-enclosure-for-3d-printer/) ⌘ [Read more](https://hackaday.com/2023/02/06/custom-enclosure-for-3d-printer/)
2023-02-07T03:00:03Z	**Researchers Find “Inert” Components in Batteries Lead to Cell Self-Discharge**
![](https://hackaday.com/wp-content/uploads/2022/09/Lithium.jpg?w=800)

When it comes to portable power, lithium-ion batteries are where it’s at. Unsurprisingly, there’s a lot of work being done to better understand how to maximize battery life and usable […read more](https://hackaday.com/2023/02/06/researchers-find-inert-components-in-batteries-lead-to-cell-self-discharge/) ⌘ [Read more](https://hackaday.com/2023/02/06/researchers-find-inert-components-in-batteries-lead-to-cell-self-discharge/)