# Twtxt is an open, distributed microblogging platform that # uses human-readable text files, common transport protocols, # and free software. # # Learn more about twtxt at https://github.com/buckket/twtxt # # This is an automated Yarn.social feed running feeds v0.1.0@2b75e86 # Learn more about Yarn.social at https://yarn.social # # nick = hackaday # url = https://feeds.twtxt.net/hackaday/twtxt.txt # source = https://hackaday.com/feed/ # avatar = # description = # updated_at = 2022-09-29T05:05:35Z # 2022-07-22T20:00:05Z **Watering The Garden With A Solar-Powered System**
![](https://hackaday.com/wp-content/uploads/2022/07/1-1024x576-1.jpg?w=800)

Watering the garden is important to do regularly if you want your plants to thrive. [Nikodem Bartnik] built a system to handle it for him, keeping his garden on the […read more](https://hackaday.com/2022/07/22/watering-the-garden-with-a-solar-powered-system/) ⌘ [Read more](https://hackaday.com/2022/07/22/watering-the-garden-with-a-solar-powered-system/) 2022-07-22T23:00:47Z **SATAn Turns Hard Drive Cable into Antenna to Defeat Air-Gapped Security**
![](https://hackaday.com/wp-content/uploads/2022/07/1280x720-vtime0_52-take2022-07-20-16.57.10.png?w=800)

It seems like [Mordechai Guri]’s lab at Ben-Gurion University is the place where air-gapped computers go to die, or at least to give up their secrets. And this hack using […read more](https://hackaday.com/2022/07/22/satan-turns-hard-drive-cable-into-antenna-to-defeat-air-gapped-security/) ⌘ [Read more](https://hackaday.com/2022/07/22/satan-turns-hard-drive-cable-into-antenna-to-defeat-air-gapped-security/) 2022-07-23T02:00:00Z **Color Us Impressed: Redbean Runs a Web Server on Six Operating Systems**
![](https://hackaday.com/wp-content/uploads/2022/07/ape.png?w=800)

The holy grail of computing is to have some way to distribute a program to any computer. This is one of those totally unachievable goals, but many have tried with […read more](https://hackaday.com/2022/07/22/color-us-impressed-redbean-runs-a-web-server-on-six-operating-systems/) ⌘ [Read more](https://hackaday.com/2022/07/22/color-us-impressed-redbean-runs-a-web-server-on-six-operating-systems/) 2022-07-23T05:00:15Z **Hunt the Lunpus is an ATtiny-Based Minimalist Game Console**
![A small PCB with a microcontroller, two 7-segment LED displays, a speaker and some buttons](https://hackaday.com/wp-content/uploads/2022/07/Hunt-the-Lunpus.png?w=800)

In a world where game consoles come with ever-higher resolutions and ever-faster frame rates, it’s refreshing to see someone going in the opposite direction: [Doug McInnes]’s latest project is a […read more](https://hackaday.com/2022/07/22/hunt-the-lun ... ⌘ [Read more](https://hackaday.com/2022/07/22/hunt-the-lunpus-is-an-attiny-based-minimalist-game-console/) 2022-07-23T08:00:46Z **Digital Measuring Wheel Is Exactly What It Sounds Like**
![](https://hackaday.com/wp-content/uploads/2022/07/0-16-screenshot-2.png?w=800)

You may have seen surveyors (or maths students) running around with measuring wheels, counting the clicks to measure distances. [AGBarber]’s digital measuring wheel works in much the same way, but […read more](https://hackaday.com/2022/07/23/digital-measuring-wheel-is-exactly-what-it-sounds-like/) ⌘ [Read more](https://hackaday.com/2022/07/23/digital-measuring-wheel-is-exactly-what-it-sounds-like/) 2022-07-23T11:00:36Z **Is 3D Printing Up To a Turntable?**
![](https://hackaday.com/wp-content/uploads/2022/07/3dp-turntable-featured.jpg?w=800)

Thanks to a feature by Prusament because it uses their filament, we’ve been interested to read about the SongBird turntable from the British outfit Frame Theory (heads up -at time […read more](https://hackaday.com/2022/07/23/is-3d-printing-up-to-a-turntable/) ⌘ [Read more](https://hackaday.com/2022/07/23/is-3d-printing-up-to-a-turntable/) 2022-07-23T14:00:12Z **Patents and the Missing Museum**
![](https://hackaday.com/wp-content/uploads/2016/04/evolution1.jpg?w=800)

A beautiful chapter of the history of invention in the United States ended with a fire in 1880. Well, the fire took place in 1877, but the wheels of government […read more](https://hackaday.com/2022/07/23/patents-and-the-missing-museum/) ⌘ [Read more](https://hackaday.com/2022/07/23/patents-and-the-missing-museum/) 2022-07-23T17:00:31Z **Purpose-Built Plotter Pitches in to Solve Wordblitz on Your Phone**
![](https://hackaday.com/wp-content/uploads/2022/07/Screenshot-from-wordblitz_demo.mp4.png?w=800)

It seems like most hackers have never played a game without at least wondering how to cheat at it. It’s not that we’re a dishonest lot, at least not as […read more](https://hackaday.com/2022/07/23/purpose-built-plotter-pitches-in-to-solve-wordblitz-on-your-phone/) ⌘ [Read more](https://hackaday.com/2022/07/23/purpose-built-plotter-pitches-in-to-solve-wordblitz-on-your-phone/) 2022-07-23T20:00:04Z **Machine Learning Baby Monitor Prevents the Hunger Games**
![](https://hackaday.com/wp-content/uploads/2022/07/1280x720-vtime7_54-take2022-07-22-10.52.30.png?w=800)

Newborn babies can be tricky to figure out, especially for first-time parents. Despite the abundance of unsolicited advice proffered by anyone who ever had a baby before — and many […read more](https://hackaday.com/2022/07/23/machine-learning-baby-monitor-prevents-the-hunger-games/) ⌘ [Read more](https://hackaday.com/2022/07/23/machine-learning-baby-monitor-prevents-the-hunger-games/) 2022-07-23T23:00:17Z **Digital “Toy” Camera, Made For Tilt-Shift and Other Analog-Like Experimenting**
![](https://hackaday.com/wp-content/uploads/2022/07/Digital-Toy-Camera.jpg?w=800)

Like many others, [volzo] loves playing with photography in a playful and experimental way. Oddball lenses, vintage elements, and building from kits is what that world looks like. But that […read more](https://hackaday.com/2022/07/23/digital-toy-camera-made-for-tilt-shift-and-other-analog-like-experimen ... ⌘ [Read more](https://hackaday.com/2022/07/23/digital-toy-camera-made-for-tilt-shift-and-other-analog-like-experimenting/) 2022-07-24T02:00:04Z **Adding A Battery To Extend Speaker Life**
![](https://hackaday.com/wp-content/uploads/2022/07/speaker-battery-main.jpg?w=798)

Perhaps the weakest point in modern electronics when it comes to user servicability is the lifecycle of the batteries included from the manufacturer. Without easily replaceable batteries, many consumer goods […read more](https://hackaday.com/2022/07/23/adding-a-battery-to-extend-speaker-life/) ⌘ [Read more](https://hackaday.com/2022/07/23/adding-a-battery-to-extend-speaker-life/) 2022-07-24T05:00:13Z **Hack Your Brain: Bionic Reading — Panacea or Placebo?**
![](https://hackaday.com/wp-content/uploads/2022/07/bionic.png?w=800)

In the Star Trek episode Space Seed, [Khan] famously said, “Improve a mechanical device, and you may double productivity. But improve man, you gain a thousandfold.” Most of our hacks center […read more](https://hackaday.com/2022/07/23/hack-your-brain-bionic-reading-panacea-or-placebo/) ⌘ [Read more](https://hackaday.com/2022/07/23/hack-your-brain-bionic-reading-panacea-or-placebo/) 2022-07-24T08:00:48Z **Condemned Precision Capacitors Find New Home, Refuse To Become Refuse**
![](https://hackaday.com/wp-content/uploads/2022/07/GenRad_1.jpg?w=800)

Ah, the age old tradition of Dumpster diving! Sometimes we happen to spot something that’s not quite trash, but not quite perfect, either. And when [dzseki], an EEVblog.com forum user, […read more](https://hackaday.com/2022/07/24/condemned-precision-capacitors-find-new-home-refuse-to-become-refuse/) ⌘ [Read more](https://hackaday.com/2022/07/24/condemned-precision-capacitors-find-new-home-refuse-to-become-refuse/) 2022-07-24T11:00:37Z **A ’70s TV With ’20s Parts**
![](https://hackaday.com/wp-content/uploads/2022/07/vintage-tv-main.png?w=800)

Keeping older technology working becomes exponentially difficult with age. Most of us have experienced capacitor plague, disintegrating wire insulation, planned obsolescence, or even the original company failing and not offering […read more](https://hackaday.com/2022/07/24/a-70s-tv-with-20s-parts/) ⌘ [Read more](https://hackaday.com/2022/07/24/a-70s-tv-with-20s-parts/) 2022-07-24T14:00:27Z **Turn Drone Into A Large Propeller To Increase Hover Efficiency**
![](https://hackaday.com/wp-content/uploads/2022/07/spinning-tricopter-featured.png?w=800)

Multirotor drones are significantly more popular than conventional helicopter designs for many reasons, which do not include efficiency. Making use of the aerodynamic effects behind this, [Nicholas Rehm] was able […read more](https://hackaday.com/2022/07/24/turn-drone-into-a-large-propeller-to-increase-hover-efficiency/) ⌘ [Read more](https://hackaday.com/2022/07/24/turn-drone-into-a-large-propeller-to-increase-hover-efficiency/) 2022-07-24T17:00:34Z **Interesting Optics Make This Laser Engraver Fit in a Pocket**
![](https://hackaday.com/wp-content/uploads/2022/07/1280x720-vtime4_03-take2022-07-21-16.43.46.png?w=800)

We’re going to start this post with a stern warning: building a laser engraver that can fit in your pocket is probably not a wise idea. Without any safety interlocks […read more](https://hackaday.com/2022/07/24/interesting-optics-make-this-laser-engraver-fit-in-a-pocket/) ⌘ [Read more](https://hackaday.com/2022/07/24/interesting-optics-make-this-laser-engraver-fit-in-a-pocket/) 2022-07-24T20:00:06Z **Stackable 3D-Printed Gearbox For Brushless Motor**
![](https://hackaday.com/wp-content/uploads/2022/07/stackable-gearbox.png?w=800)

Affordable brushless motors are great for a variety of motion applications, but often require a gearbox to tame their speed. [Michael Rechtin] decided to try his hand at designing a […read more](https://hackaday.com/2022/07/24/stackable-3d-printed-gearbox-for-brushless-motor/) ⌘ [Read more](https://hackaday.com/2022/07/24/stackable-3d-printed-gearbox-for-brushless-motor/) 2022-07-24T23:00:02Z **Hackaday Links: July 24, 2022**
![Hackaday Links Column Banner](https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800)

OK, maybe that won’t buff right out. NASA has released a more detailed analysis of the damage suffered by the James Webb Space Telescope in a run-in with a micrometeoroid, […read more](https://hackaday.com/2022/07/24/hackaday-links-july-24-2022/) ⌘ [Read more](https://hackaday.com/2022/07/24/hackaday-links-july-24-2022/) 2022-07-25T02:00:43Z **Automated Hotend Swapping For Less Wasteful Multicolor Printing**
![](https://hackaday.com/wp-content/uploads/2022/07/swapper3D.png?w=800)

Multicolor printing on FDM machines can be tricky to get working flawlessly, and purging hotends when changing colors can end up wasting a lot of filament and material. To solve […read more](https://hackaday.com/2022/07/24/automated-hotend-swapping-for-less-wasteful-multicolor-printing/) ⌘ [Read more](https://hackaday.com/2022/07/24/automated-hotend-swapping-for-less-wasteful-multicolor-printing/) 2022-07-25T05:00:54Z **Complex Movements From Simple Inflatables, Thanks to Physics**
![](https://hackaday.com/wp-content/uploads/2022/07/Origami-Actuator_-Complex-motions-for-simple-actuators-0-22-screenshot.png?w=766)

Inflatable actuators that change shape based on injected pressure can be strong, but their big limitation is that they always deform in the same way. But by taking structural inspiration […read more](https://hackaday.com/2022/07/24/complex-movements-from-simple-inflatables-thanks-to- ... ⌘ [Read more](https://hackaday.com/2022/07/24/complex-movements-from-simple-inflatables-thanks-to-physics/) 2022-07-25T08:00:06Z **A Tiny Forest of Resistors Makes for Quick and Dirty Adaptive Optics**
![](https://hackaday.com/wp-content/uploads/2022/07/1280x720-vtime9_42-take2022-07-23-15.12.05.png?w=800)

The term “adaptive optics” sounds like something that should be really complicated and really expensive. And in general, the ability to control the properties of optical elements is sufficiently difficult […read more](https://hackaday.com/2022/07/25/a-tiny-forest-of-resistors-makes-for-quick-an ... ⌘ [Read more](https://hackaday.com/2022/07/25/a-tiny-forest-of-resistors-makes-for-quick-and-dirty-adaptive-optics/) 2022-07-25T11:00:44Z **Custom Raspberry Pi Case Shows the Whole Workflow**
![](https://hackaday.com/wp-content/uploads/2022/07/3D-Printed-Raspberry-Pi-Case-Using-The-Creality-Ender-3-S1-Pro-11-1-screenshot.png?w=779)

If you are a process junkie and love seeing the end-to-end of how a thing is made and with what tools, then watch [Michael Klements] show off his Raspberry Pi […read more](https://hackaday.com/2022/07/25/custom-raspberry-pi-case-shows-the-whole-workflow/) ⌘ [Read more](https://hackaday.com/2022/07/25/custom-raspberry-pi-case-shows-the-whole-workflow/) 2022-07-25T14:00:00Z **How Does the James Webb Telescope Phone Home?**
![](https://hackaday.com/wp-content/uploads/2022/07/Webb_2.jpg?w=800)

When it comes to an engineering marvel like the James Webb Space Telescope, the technology involved is so specialized that there’s precious little the average person can truly relate to. […read more](https://hackaday.com/2022/07/25/how-does-the-james-webb-telescope-phone-home/) ⌘ [Read more](https://hackaday.com/2022/07/25/how-does-the-james-webb-telescope-phone-home/) 2022-07-25T15:30:25Z **50-Year-Old 8-Track Changer Repair and Hack**
![](https://hackaday.com/wp-content/uploads/2022/07/8track-feature.png?w=800)

For reasons still unclear, [Techmoan] has procured an RCA 8-track changer that holds five tape cartridges in a custom carrier. It somewhat works, but had a bit of mechanical issues […read more](https://hackaday.com/2022/07/25/50-year-old-8-track-changer-repair-and-hack/) ⌘ [Read more](https://hackaday.com/2022/07/25/50-year-old-8-track-changer-repair-and-hack/) 2022-07-25T17:00:24Z **2022 Hackaday Prize: Make Your World More Disaster Resistant, More Engaged**
![](https://hackaday.com/wp-content/uploads/2022/07/resilient_communities.png?w=800)

Following along with the 2022 Hackaday Prize theme on building a better world by doing what we all do best – hacking together solutions – the fourth round of the […read more](https://hackaday.com/2022/07/25/2022-hackaday-prize-make-your-world-more-disaster-resistant-more-engaged/) ⌘ [Read more](https://hackaday.com/2022/07/25/2022-hackaday-prize-make-your-world-more-disaster-resistant-more-engaged/) 2022-07-25T18:30:50Z **Hackaday Prize 2022: Arduino-Powered Weighing Scale Has a Real Analog Display**
![A weighing scale with a moving-coil meter as a display](https://hackaday.com/wp-content/uploads/2022/07/Analog-digital-weighing-scale.jpg?w=800)

Digital displays are useful for quick and accurate readout, but lots of people prefer the physical motion of a needle moving along a dial. For instance, many smartwatch users choose […read more](https://hackaday.com/2022/07/25/hackaday-p ... ⌘ [Read more](https://hackaday.com/2022/07/25/hackaday-prize-2022-arduino-powered-weighing-scale-has-a-real-analog-display/) 2022-07-25T20:00:40Z **McTerminals Give The Hamburglar a Chance**
![](https://hackaday.com/wp-content/uploads/2022/07/mcterminal-featured.jpg?w=800)

The golden arches of a McDonald’s restaurant are a ubiquitous feature of life in so many parts of the world, and while their food might not be to all tastes […read more](https://hackaday.com/2022/07/25/mcterminals-give-the-hamburglar-a-chance/) ⌘ [Read more](https://hackaday.com/2022/07/25/mcterminals-give-the-hamburglar-a-chance/) 2022-07-25T23:00:25Z **Up Close And Personal With an 8x Floppy Controller**
![](https://hackaday.com/wp-content/uploads/2022/07/monsterfdc_feat.jpg?w=800)

In need of a floppy controller for a 286 he was working on, [Gadget Reboot] took to GitHub to see what was available in the open hardware space. There he […read more](https://hackaday.com/2022/07/25/up-close-and-personal-with-an-8x-floppy-controller/) ⌘ [Read more](https://hackaday.com/2022/07/25/up-close-and-personal-with-an-8x-floppy-controller/) 2022-07-26T02:00:29Z **OpenJewelry, No Pliers Required**
![](https://hackaday.com/wp-content/uploads/2022/07/openjewelry-800.png?w=800)

They say that if you want something done right, you gotta do it yourself. Oftentimes, that goes double for getting something done at all. Whereas some people might simply lament […read more](https://hackaday.com/2022/07/25/openjewelry-no-pliers-required/) ⌘ [Read more](https://hackaday.com/2022/07/25/openjewelry-no-pliers-required/) 2022-07-26T05:00:59Z **A Simple Charging Station For Twelve Powerbanks**
![The charging station on the table, with twelve powerbanks plugged into it, charging. A small meter on the front panel shows 4.73 volts and 4.38 amps.](https://hackaday.com/wp-content/uploads/2022/07/hadimg_megacharger_feat.jpg?w=800)

[jasonwinfieldnz] uses twelve small powerbanks day to day – powering LED strips around his trampoline, presumably, to avoid the mess of wires and make the assembly easily portable. However, if […read more](h ... ⌘ [Read more](https://hackaday.com/2022/07/25/a-simple-charging-station-for-twelve-powerbanks/) 2022-07-26T08:00:28Z **Atmospheric High-Voltage Motor Makes Useful Power**
![](https://hackaday.com/wp-content/uploads/2022/07/atmospheric-motor-main.png?w=800)

While it almost seems like an insane fever dream from an otherwise brilliant inventor, Nikola Tesla’s plan to harvest energy straight out of the atmosphere and essentially give it away […read more](https://hackaday.com/2022/07/26/atmospheric-high-voltage-motor-makes-useful-power/) ⌘ [Read more](https://hackaday.com/2022/07/26/atmospheric-high-voltage-motor-makes-useful-power/) 2022-07-26T11:00:32Z **ORBTrace Effort: Open Tool For Professional Debugging**
![The Orbtrace debugger hardware connected to a development board t hrough a 20-pin ribbon cable. The development board has a green LED shining.](https://hackaday.com/wp-content/uploads/2022/07/hadimg_orbtrace_feat.png?w=800)

There are some fairly powerful debugging facilities available on today’s microcontrollers — if your code crashes mysteriously, chances are, there’s a debugging interface that could let you track down the [… ... ⌘ [Read more](https://hackaday.com/2022/07/26/orbtrace-effort-open-tool-for-professional-debugging/) 2022-07-26T14:00:37Z **Protecting The Hughes H4 Hercules with… Beach Balls?**
![](https://hackaday.com/wp-content/uploads/2022/07/SpruceGoosePontoonCloseUp.jpg?w=800)

While visiting the Evergreen Aviation & Space Museum in McMinnville, OR, USA over the weekend, I came across a hack. In addition to the excellent displays on site and an […read more](https://hackaday.com/2022/07/26/protecting-the-hughes-h4-hercules-with-beach-balls/) ⌘ [Read more](https://hackaday.com/2022/07/26/protecting-the-hughes-h4-hercules-with-beach-balls/) 2022-07-26T15:30:41Z **DOOM Runs on the EMFCamp Tidal Badge**
![](https://hackaday.com/wp-content/uploads/2022/07/doom1.jpg?w=800)

If it’s got a chip and a screen, someone’s trying to run DOOM on it. The latest entry in this fad is from [Phil Ashby], who figured out how to […read more](https://hackaday.com/2022/07/26/doom-runs-on-the-emfcamp-tidal-badge/) ⌘ [Read more](https://hackaday.com/2022/07/26/doom-runs-on-the-emfcamp-tidal-badge/) 2022-07-26T17:00:55Z **Biomimetic Surfaces: Copying Nature To Deter Bacteria And Keep Ship Hulls Smooth**
![](https://hackaday.com/wp-content/uploads/2022/07/Biofouling.jpg?w=800)

You might not think that keeping a boat hull smooth in the water has anything in common with keeping a scalpel clean for surgery, but there it does: in both […read more](https://hackaday.com/2022/07/26/biomimetic-surfaces-copying-nature-to-deter-bacteria-and-keep-ship-hulls-smooth/) ⌘ [Read more](https://hackaday.com/2022/07/26/biomimetic-surfaces-copying-nature-to-deter-bacteria-and-keep-ship-hulls-smooth/) 2022-07-26T18:30:02Z **Hackaday Prize 2022: Digital Dice Towers Built In Beautiful Retro Cases**
![](https://hackaday.com/wp-content/uploads/2022/07/1318611658603883384-e1658808582330.jpg?w=800)

Retro hardware often looks fantastic, but we may find we no longer need it for its original function. [John Anderson] found that to be the case with some old Heathkit […read more](https://hackaday.com/2022/07/26/hackaday-prize-2022-digital-dice-towers-built-in-beautiful-retro-cases/) ⌘ [Read more](https://hackaday.com/2022/07/26/hackaday-prize-2022-digital-dice-towers-built-in-beautiful-retro-cases/) 2022-07-26T20:00:20Z **A New Way To Produce PCBs With Your 3D Printer**
![](https://hackaday.com/wp-content/uploads/2022/07/fdmpcb_feat.jpg?w=800)

With the low-cost PCB fabrication services available to hackers and makers these days, we’ll admit that making your own boards at home doesn’t hold quite the appeal that it did […read more](https://hackaday.com/2022/07/26/a-new-way-to-produce-pcbs-with-your-3d-printer/) ⌘ [Read more](https://hackaday.com/2022/07/26/a-new-way-to-produce-pcbs-with-your-3d-printer/) 2022-07-26T23:00:27Z **Omnidirectional Walker With Wheeled Feet**
![](https://hackaday.com/wp-content/uploads/2022/07/omni-walker.png?w=800)

[James Bruton] is on a quest to explore all the weird and wonderful methods of robot locomotion, and in his latest project created an omnidirectional walker that can move in […read more](https://hackaday.com/2022/07/26/omnidirectional-walker-with-wheeled-feet/) ⌘ [Read more](https://hackaday.com/2022/07/26/omnidirectional-walker-with-wheeled-feet/) 2022-07-27T02:00:03Z **Balloons Are The User Interface Of The Future**
![](https://hackaday.com/wp-content/uploads/2022/07/Balloon-Interface-for-Midair-Haptic-Interaction-0-35-screenshot.png?w=800)

We’ve seen all kinds of interfaces come and go over the years, from keyboards and mice to lightpens and touchscreens. Now, a group of researchers at the University of Tokyo […read more](https://hackaday.com/2022/07/26/balloons-are-the-user-interface-of-the-future/) ⌘ [Read more](https://hackaday.com/2022/07/26/balloons-are-the-user-interface-of-the-future/) 2022-07-27T05:00:40Z **Mini Falcon 9 Uses NASA Software**
![](https://hackaday.com/wp-content/uploads/2022/07/falcon-model-main.png?w=800)

[T-Zero Systems] has been working on his model Falcon 9 rocket for a while now. It’s an impressive model, complete with thrust vectoring, a microcontroller which follows a predetermined flight […read more](https://hackaday.com/2022/07/26/mini-falcon-9-uses-nasa-software/) ⌘ [Read more](https://hackaday.com/2022/07/26/mini-falcon-9-uses-nasa-software/) 2022-07-27T08:00:41Z **Large Format 3D Printer is a Serious Engineering Challenge**
![](https://hackaday.com/wp-content/uploads/2022/07/large-printer.png?w=800)

When you want to build a large format 3D printer, you can’t just scale up the design of a desktop machine. In an excellent four-part build series (videos after the […read more](https://hackaday.com/2022/07/27/large-format-3d-printer-is-a-serious-engineering-challenge/) ⌘ [Read more](https://hackaday.com/2022/07/27/large-format-3d-printer-is-a-serious-engineering-challenge/) 2022-07-27T11:00:43Z **Move Over Silicon, a New Semiconductor is in Town**
![](https://hackaday.com/wp-content/uploads/2022/07/cube.png?w=800)

Silicon has had a long run as the king of semiconductors, and why not? It’s plentiful and works well. However, working well and working ideally are two different things. In […read more](https://hackaday.com/2022/07/27/move-over-silicon-a-new-semiconductor-is-in-town/) ⌘ [Read more](https://hackaday.com/2022/07/27/move-over-silicon-a-new-semiconductor-is-in-town/) 2022-07-27T14:00:56Z **The Surprisingly Manual Process of Building Automotive Wire Harnesses**
![](https://hackaday.com/wp-content/uploads/2022/07/WiringHarness.jpg?w=800)

Even from the very earliest days of the automobile age, cars and trucks have been hybrids of mechanical and electrical design. For every piston sliding up and down in a […read more](https://hackaday.com/2022/07/27/the-surprisingly-manual-process-of-building-automotive-wire-harnesses/) ⌘ [Read more](https://hackaday.com/2022/07/27/the-surprisingly-manual-process-of-building-automotive-wire-harnesses/) 2022-07-27T15:30:05Z **Launch and Track Your Model Rockets Via Smartphone**
![](https://hackaday.com/wp-content/uploads/2022/07/maxresdefault-1-1.jpg?w=800)

Building and flying model rockets is great fun. Eventually, though, the thrill of the fire and smoke subsides, and you want to know more about what it’s doing in the […read more](https://hackaday.com/2022/07/27/launch-and-track-your-model-rockets-via-smartphone/) ⌘ [Read more](https://hackaday.com/2022/07/27/launch-and-track-your-model-rockets-via-smartphone/) 2022-07-27T17:00:42Z **Electrolytes, They’re What Dehydrated Hackaday Writers Crave!**
![](https://hackaday.com/wp-content/uploads/2022/07/ors-featured.jpg?w=800)

The oddly prophetic 2006 comedy film Idiocracy features an isotonic drink called Brawndo, whose marketing continuously refers to its electrolytes as a miraculous property. Brawndo is revealed in the film […read more](https://hackaday.com/2022/07/27/electrolytes-theyre-what-dehydrated-hackaday-writers-crave/) ⌘ [Read more](https://hackaday.com/2022/07/27/electrolytes-theyre-what-dehydrated-hackaday-writers-crave/) 2022-07-27T18:30:17Z **Hackaday Prize 2022: Repairing a Vintage Laptop With Modern Components**
![The LCD being replaced in an old laptop](https://hackaday.com/wp-content/uploads/2022/07/Toshiba-T3200SXC-screen-replacement.png?w=800)

Laptop computers may be ubiquitous today, but there was a time when they were the exclusive preserve of rich businesspeople. Back in the early ’90s, the significant added cost of […read more](https://hackaday.com/2022/07/27/hackaday-prize-2022-repairing-a-vint ... ⌘ [Read more](https://hackaday.com/2022/07/27/hackaday-prize-2022-repairing-a-vintage-laptop-with-modern-components/) 2022-07-27T20:00:41Z **You Can Build A Giant 7-Segment Display Of Your Very Own**
![](https://hackaday.com/wp-content/uploads/2022/07/7seg-featured.jpg?w=800)

Sometimes you need to display a number nice and large, making it easily readable at a good distance. [Lewis] has just the thing for that: a big expandable 7-segment display. […read more](https://hackaday.com/2022/07/27/you-can-build-a-giant-7-segment-display-of-your-very-own/) ⌘ [Read more](https://hackaday.com/2022/07/27/you-can-build-a-giant-7-segment-display-of-your-very-own/) 2022-07-27T23:00:59Z **Simple Universal Modem Helps Save and Load Data From Tape**
![](https://hackaday.com/wp-content/uploads/2022/07/Backup-like-its-1975-2-9-screenshot.png?w=800)

Back in the early days of the home computer revolution, data was commonly saved on tape. Even better, those tapes would make an almighty racket if you played them on […read more](https://hackaday.com/2022/07/27/simple-universal-modem-helps-save-and-load-data-from-tape/) ⌘ [Read more](https://hackaday.com/2022/07/27/simple-universal-modem-helps-save-and-load-data-from-tape/) 2022-07-28T02:00:28Z **Probing CAN Bus for EV Battery Info**
![](https://hackaday.com/wp-content/uploads/2022/07/can-display-main.jpg?w=800)

The widespread adoption of the CAN bus (and OBD-II) in automobiles was largely a way of standardizing the maintenance of increasingly complicated engines and their needs to meet modern emissions […read more](https://hackaday.com/2022/07/27/probing-can-bus-for-ev-battery-info/) ⌘ [Read more](https://hackaday.com/2022/07/27/probing-can-bus-for-ev-battery-info/) 2022-07-28T05:00:24Z **Tiny Arcade Uses Tiny CRT**
![](https://hackaday.com/wp-content/uploads/2022/07/tiny-arcade-crt-main.png?w=800)

Restoring vintage electronics is a difficult hobby to tackle. Even the most practical builds often have to use some form of modern technology to work properly, or many different versions […read more](https://hackaday.com/2022/07/27/tiny-arcade-uses-tiny-crt/) ⌘ [Read more](https://hackaday.com/2022/07/27/tiny-arcade-uses-tiny-crt/) 2022-07-28T08:00:47Z **DIY Retrograde Clock is 3D Printed**
![](https://hackaday.com/wp-content/uploads/2022/07/3D-Printed-Retrograde-Clock-0-17-screenshot.png?w=800)

Retrograde clocks are unique, in that they eschew the normal fully-circular movement for the hands. Instead, the hands merely sweep out a segment of a circular arc, before jumping back […read more](https://hackaday.com/2022/07/28/diy-retrograde-clock-is-3d-printed/) ⌘ [Read more](https://hackaday.com/2022/07/28/diy-retrograde-clock-is-3d-printed/) 2022-07-28T11:00:44Z **Google Quantum, Virtually**
![](https://hackaday.com/wp-content/uploads/2018/01/weirdness.jpg?w=800)

Want to try a big quantum computer but don’t have the cash? Google wants to up your simulation game with their “Quantum Virtual Machine” that you can use for free. […read more](https://hackaday.com/2022/07/28/google-quantum-virtually/) ⌘ [Read more](https://hackaday.com/2022/07/28/google-quantum-virtually/) 2022-07-28T14:00:07Z **Your Own Engineering Workstation, with Mame**
![](https://hackaday.com/wp-content/uploads/2022/07/9845-title.png?w=800)

There are some things that leave indelible impressions in your memory. One of those things, for me, was a technical presentation in 1980 I attended — by calling in a […read more](https://hackaday.com/2022/07/28/your-own-engineering-workstation-with-mame/) ⌘ [Read more](https://hackaday.com/2022/07/28/your-own-engineering-workstation-with-mame/) 2022-07-28T15:30:48Z **Smart Modular Keyboard Sports an E-ink Display and a Haptic Feedback Knob**
![A mechanical keyboard with a haptic knob and E-ink display](https://hackaday.com/wp-content/uploads/2022/07/Peng-Zhihui-Smart-Keyboard.png?w=800)

While most people may think that a keyboard is just a board with keys, those who read Hackaday will no doubt know that there’s an infinite variety of beautiful designs […read more](https://hackaday.com/2022/07/28/smart-modular-keyboard-sports- ... ⌘ [Read more](https://hackaday.com/2022/07/28/smart-modular-keyboard-sports-an-e-ink-display-and-a-haptic-feedback-knob/) 2022-07-28T17:00:26Z **Where Pollution Hits The Road: The Growing Environmental Hazard Of Rubber Tires**
![](https://hackaday.com/wp-content/uploads/2022/07/Tires.jpg?w=800)

As ubiquitous as rubber tires are due to the many practical benefits they offer to cars, trucks, and other conveyances, they do come with a limited lifespan. Over time, the […read more](https://hackaday.com/2022/07/28/where-pollution-hits-the-road-the-growing-environmental-hazard-of-rubber-tires/) ⌘ [Read more](https://hackaday.com/2022/07/28/where-pollution-hits-the-road-the-growing-environmental-hazard-of-rubber-tires/) 2022-07-28T18:30:43Z **Hackaday Prize 2022: A Functional Commodore PET Tribute**
![](https://hackaday.com/wp-content/uploads/2022/07/maxresdefault-2.jpg?w=800)

The C64 may be the best-selling computer of all time, but Commodore made several machines before that, too. [Mjnurney] always loved the Commodore PET, and set about building some new […read more](https://hackaday.com/2022/07/28/hackaday-prize-2022-a-functional-commodore-pet-tribute/) ⌘ [Read more](https://hackaday.com/2022/07/28/hackaday-prize-2022-a-functional-commodore-pet-tribute/) 2022-07-28T20:00:27Z **a Customizable Macropad to Make Anyone’s Tail Wag**
![](https://hackaday.com/wp-content/uploads/2022/07/paws_macropad_800.jpeg?w=800)

[Gili Yankovitch] has always wanted some kind of macro keypad for all those boss-slaying combos he keeps up the sleeve of his wizard robe while playing WoW. Seventeen years later, […read more](https://hackaday.com/2022/07/28/a-customizable-macropad-to-make-anyones-tail-wag/) ⌘ [Read more](https://hackaday.com/2022/07/28/a-customizable-macropad-to-make-anyones-tail-wag/) 2022-07-28T23:00:48Z **Foam Cutter Moves Like a Hot Knife Through Butter**
![](https://hackaday.com/wp-content/uploads/2022/07/foam_cutter_800.jpeg?w=761)

Make enough attempts to cut foam using whatever you’ve got — utility knife, hacksaw, serrated plastic knife — and you’ll wish hard for something that cuts cleaner, faster, and better. […read more](https://hackaday.com/2022/07/28/foam-cutter-moves-like-a-hot-knife-through-butter/) ⌘ [Read more](https://hackaday.com/2022/07/28/foam-cutter-moves-like-a-hot-knife-through-butter/) 2022-07-29T02:00:21Z **Inca Knots Inspire Quantum Computer**
![](https://hackaday.com/wp-content/uploads/2018/01/quantum.png?w=800)

We think of data storage as a modern problem, but even ancient civilizations kept records. While much of the world used stone tablets or other media that didn’t survive the […read more](https://hackaday.com/2022/07/28/inca-knots-inspire-quantum-computer/) ⌘ [Read more](https://hackaday.com/2022/07/28/inca-knots-inspire-quantum-computer/) 2022-07-29T05:00:25Z **New OS For Commodore 64 Adds Modern Features**
![](https://hackaday.com/wp-content/uploads/2022/07/c64os-main.png?w=800)

The Commodore 64 was a revolutionary computer for its day and age. After four decades, though, it gets harder and harder to use these computers for anything more than educational […read more](https://hackaday.com/2022/07/28/new-os-for-commodore-64-adds-modern-features/) ⌘ [Read more](https://hackaday.com/2022/07/28/new-os-for-commodore-64-adds-modern-features/) 2022-07-29T08:00:38Z **Love Is a Burning Flame, and So Is This Underwater Burning Ring of Fire**
![](https://hackaday.com/wp-content/uploads/2022/07/Bubble-featured.jpg?w=800)

When Johnny Cash wrote “Ring of Fire”, he was talking about love. But when an unnamed follower of [TheBackyardScientist] took it literally and suggested making actual rings of fire — […read more](https://hackaday.com/2022/07/29/love-is-a-burning-flame-and-so-is-this-underwater-burning-ring-of-fire/) ⌘ [Read more](https://hackaday.com/2022/07/29/love-is-a-burning-flame-and-so-is-this-underwater-burning-ring-of-fire/) 2022-07-29T11:00:19Z **PERSEUS-9, the Dual-6502 Portable Machine That Should Have Been**
![](https://hackaday.com/wp-content/uploads/2022/07/6379951658567899057.jpeg?w=800)

A question: does anyone who was around in the early days of the 8-bit computer revolution remember a dual-CPU 6502 portable machine like this one? Or just a dual-CPU machine? […read more](https://hackaday.com/2022/07/29/perseus-9-the-dual-6502-portable-machine-that-should-have-been/) ⌘ [Read more](https://hackaday.com/2022/07/29/perseus-9-the-dual-6502-portable-machine-that-should-have-been/) 2022-07-29T14:00:20Z **This Week in Security: Symbiote, Smart Locks, and CosmicStrand**
![](https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800)

Symbiote is a particularly nasty Linux rootkit, and we have the interesting case of two separate analysis releasing this week. Up first is [CyberMasterV] taking apart a very early sample […read more](https://hackaday.com/2022/07/29/this-week-in-security-symbiote-smart-locks-and-cosmicstrand/) ⌘ [Read more](https://hackaday.com/2022/07/29/this-week-in-security-symbiote-smart-locks-and-cosmicstrand/) 2022-07-29T15:00:00Z **Go Big Or Go Home: 0.6 mm Nozzles are the Future**
![](https://hackaday.com/wp-content/uploads/2022/07/bench.png?w=800)

Most desktop fused deposition modeling (FDM) 3D printers these days use a 0.4 mm nozzle. While many people have tried smaller nozzles to get finer detail and much larger nozzles […read more](https://hackaday.com/2022/07/29/go-big-or-go-home-0-6-mm-nozzles-are-the-future/) ⌘ [Read more](https://hackaday.com/2022/07/29/go-big-or-go-home-0-6-mm-nozzles-are-the-future/) 2022-07-29T16:30:41Z **Hackaday Podcast 179: Danger Chess, Corona Motors, an Omni-Walker, and a Fast Talking Telescope**
![](https://hackaday.com/wp-content/uploads/2016/05/microphone.jpg?w=800)

Join Hackaday Editor-in-Chief Elliot Williams and Staff Writer Dan Maloney for their take on the hottest hacks in a hot, hot week. We found a bunch of unusual mechanisms this […read more](https://hackaday.com/2022/07/29/hackaday-podcast-179-danger-chess-corona-motors-an-omni-w ... ⌘ [Read more](https://hackaday.com/2022/07/29/hackaday-podcast-179-danger-chess-corona-motors-an-omni-walker-and-a-fast-talking-telescope/) 2022-07-29T17:00:08Z **Why Fedora Decided to Give CC0 Licensed Code the Boot**
![](https://hackaday.com/wp-content/uploads/2022/07/cc0_feat.jpg?w=800)

The term “open source” can be tricky. For many people, it’s taken to mean that a particular piece of software is free and that they can do whatever they wish […read more](https://hackaday.com/2022/07/29/why-fedora-decided-to-give-cc0-licensed-code-the-boot/) ⌘ [Read more](https://hackaday.com/2022/07/29/why-fedora-decided-to-give-cc0-licensed-code-the-boot/) 2022-07-29T18:30:55Z **Hackaday Prize 2022: Modern Plug-in Gives TRS-80 its Voice Back**
![A TRS-80 with a small PCB attached](https://hackaday.com/wp-content/uploads/2022/07/Talker-80.jpg?w=800)

Like artificial intelligence, speech synthesis was one of those applications that promised to revolutionize computing in the 1980s, only to fizzle out after people realized that a robotic voice reading […read more](https://hackaday.com/2022/07/29/hackaday-prize-2022-modern-plug-in-gives-trs-80-its-voice- ... ⌘ [Read more](https://hackaday.com/2022/07/29/hackaday-prize-2022-modern-plug-in-gives-trs-80-its-voice-back/) 2022-07-29T20:00:50Z **Toddler EV Gets Big Boy Battery Upgrade**
![](https://hackaday.com/wp-content/uploads/2022/07/tanner-featured.jpg?w=800)

No matter the type of vehicle we drive, it has a battery. Those batteries wear out over time. Even high end EV’s have batteries with a finite life. But when […read more](https://hackaday.com/2022/07/29/toddler-ev-gets-big-boy-battery-upgrade/) ⌘ [Read more](https://hackaday.com/2022/07/29/toddler-ev-gets-big-boy-battery-upgrade/) 2022-07-29T23:00:27Z **CV Based Barking Dog Keeps Home Secure, Doesn’t Need Walking**
![](https://hackaday.com/wp-content/uploads/2022/07/fakedog-featured.jpg?w=800)

Meet [Tanner]. [Tanner] is a hacker who also appreciates the security of their home while they’re out of town. After doing some research about home security, they found that it […read more](https://hackaday.com/2022/07/29/cv-based-barking-dog-keeps-home-secure-doesnt-need-walking/) ⌘ [Read more](https://hackaday.com/2022/07/29/cv-based-barking-dog-keeps-home-secure-doesnt-need-walking/) 2022-07-30T02:00:41Z **Calculus Made Easy in the Car**
![](https://hackaday.com/wp-content/uploads/2022/07/calc.png?w=800)

If you had the traditional engineering education, you’ve made your peace with calculus. If you haven’t, you may have learned it on your own, but for many people, calculus has […read more](https://hackaday.com/2022/07/29/calculus-made-easy-in-the-car/) ⌘ [Read more](https://hackaday.com/2022/07/29/calculus-made-easy-in-the-car/) 2022-07-30T05:00:03Z **Testing Antennas with WSPR**
![](https://hackaday.com/wp-content/uploads/2022/07/map.png?w=800)

There are many ways to test HF antennas ranging from simulation to various antenna analyzers and bridges. However, nothing can replace simply using the antenna to see how it works. […read more](https://hackaday.com/2022/07/29/testing-antennas-with-wspr/) ⌘ [Read more](https://hackaday.com/2022/07/29/testing-antennas-with-wspr/) 2022-07-30T08:00:25Z **When [Carl] Says Jump, PCBs say “How High?”**
![](https://hackaday.com/wp-content/uploads/2022/07/jump.png?w=800)

We’ve noticed that [Carl Bugeja] likes flexible PCBs. His latest exploit is to make PCB-based springs that combine with some magnets to create little devices that jump. We aren’t sure […read more](https://hackaday.com/2022/07/30/when-carl-says-jump-pcbs-say-how-high/) ⌘ [Read more](https://hackaday.com/2022/07/30/when-carl-says-jump-pcbs-say-how-high/) 2022-07-30T11:00:08Z **Fix Old Caps, But Keep That “Can Capacitor” Look**
![](https://hackaday.com/wp-content/uploads/2022/07/Can-capacitor-repair-1.jpg?w=800)

Vintage electronics and capacitor replacements tend to go hand-in-hand. Why? Because electrolytic capacitors just don’t last, not the way most other components do, anyway. It’s one thing to swap old […read more](https://hackaday.com/2022/07/30/fix-old-caps-but-keep-that-can-capacitor-look/) ⌘ [Read more](https://hackaday.com/2022/07/30/fix-old-caps-but-keep-that-can-capacitor-look/) 2022-07-30T14:00:51Z **Demonstrate Danger, Safely**
![](https://hackaday.com/wp-content/uploads/2016/06/howlasers.jpg?w=800)

Dan Maloney and I were talking about the chess robot arm that broke a child’s finger during the podcast, and it turns out that we both have extreme respect for […read more](https://hackaday.com/2022/07/30/demonstrate-danger-safely/) ⌘ [Read more](https://hackaday.com/2022/07/30/demonstrate-danger-safely/) 2022-07-30T17:00:30Z **Hackaday Prize 2022: Soviet Geiger Counter Gets WiFi**
![](https://hackaday.com/wp-content/uploads/2022/07/esp8266-geiger-main.jpg?w=800)

[Marek] has an impressive collection of old Soviet-style Geiger counters. These are handy tools to have in some specific situations, but for most of us they would be curiosities. Even […read more](https://hackaday.com/2022/07/30/hackaday-prize-2022-soviet-geiger-counter-gets-wifi/) ⌘ [Read more](https://hackaday.com/2022/07/30/hackaday-prize-2022-soviet-geiger-counter-gets-wifi/) 2022-07-30T20:00:24Z **Re-reclaimed From Nature: Resurrecting a DT80 Terminal**
![](https://hackaday.com/wp-content/uploads/2022/07/dt80-restoration.jpg?w=800)

When Datamedia announced their new DT80 terminal as a VT100 killer back in 1979, they were so confident of its reliability, they threw in a full one-year warranty. Now, decades […read more](https://hackaday.com/2022/07/30/re-reclaimed-from-nature-resurrecting-a-dt80-terminal/) ⌘ [Read more](https://hackaday.com/2022/07/30/re-reclaimed-from-nature-resurrecting-a-dt80-terminal/) 2022-07-30T23:00:55Z **USB Drive Keeps Your Secrets… As Long As Your Fingers Are Wet?**
![](https://hackaday.com/wp-content/uploads/2022/07/ovrdrive_feat.jpg?w=800)

[Walker] has a very interesting new project: a completely different take on a self-destructing USB drive. Instead of relying on encryption or other “visible” security features, this device looks and […read more](https://hackaday.com/2022/07/30/usb-drive-keeps-your-secrets-as-long-as-your-fingers-are-wet/) ⌘ [Read more](https://hackaday.com/2022/07/30/usb-drive-keeps-your-secrets-as-long-as-your-fingers-are-wet/) 2022-07-31T02:00:12Z **What’s The Time? It’s Casino’clock!**
![](https://hackaday.com/wp-content/uploads/2022/07/casino-clock.jpg?w=800)

As the saying goes, nothing can be said to be certain, except death, taxes, and the never-ending inventiveness of clock hacks. No matter how tried and proven a concept is, […read more](https://hackaday.com/2022/07/30/whats-the-time-its-casinoclock/) ⌘ [Read more](https://hackaday.com/2022/07/30/whats-the-time-its-casinoclock/) 2022-07-31T05:00:45Z **Upgraded Film Scanner Handles Bigger Formats At No Cost**
![](https://hackaday.com/wp-content/uploads/2022/07/large_display_carriage_small.jpg?w=800)

Film scanners are a useful tool for digitizing slides and negatives, and the Plustek 8100 that [Christian Chapman] had was capable, but limited to small format film only. Rather than […read more](https://hackaday.com/2022/07/30/upgraded-film-scanner-handles-bigger-formats-at-no-cost/) ⌘ [Read more](https://hackaday.com/2022/07/30/upgraded-film-scanner-handles-bigger-formats-at-no-cost/) 2022-07-31T08:00:10Z **Turning a Pair of Syringes into a Tiny Water Pump**
![](https://hackaday.com/wp-content/uploads/2022/07/tiny-pump.png?w=800)

There is something inherently fascinating about tiny mechanical devices, especially when you’re used to seeing much larger versions. This is the case with [Penguin DIY]’s tiny centrifugal water pump built […read more](https://hackaday.com/2022/07/31/turning-a-pair-of-syringes-into-a-tiny-water-pump/) ⌘ [Read more](https://hackaday.com/2022/07/31/turning-a-pair-of-syringes-into-a-tiny-water-pump/) 2022-07-31T11:00:53Z **Building a Tube-Based Stereo Amp, In Classic Style**
![](https://hackaday.com/wp-content/uploads/2022/07/img_4207.jpg?w=800)

It’s not every day we see the results of someone putting their own spin on a vintage tube amp, but that’s exactly what [lens42] did in creating the McIntosh 217, […read more](https://hackaday.com/2022/07/31/building-a-tube-based-stereo-amp-in-classic-style/) ⌘ [Read more](https://hackaday.com/2022/07/31/building-a-tube-based-stereo-amp-in-classic-style/) 2022-07-31T14:00:35Z **Cool Face Mask Turns Into Over-Engineered Headache**
![](https://hackaday.com/wp-content/uploads/2022/07/coldcompress_feat.jpg?w=800)

Seeing his wife try to use a cool face mask to get through the pain of a migraine headache, [Sparks and Code] started thinking of ways to improve the situation. […read more](https://hackaday.com/2022/07/31/cool-face-mask-turns-into-over-engineered-headache/) ⌘ [Read more](https://hackaday.com/2022/07/31/cool-face-mask-turns-into-over-engineered-headache/) 2022-07-31T17:00:46Z **Adding Perlin Noise to 3D Printed Parts, with Python**
![](https://hackaday.com/wp-content/uploads/2022/07/Use-Perlin-Noise-to-Modify-3D-Printed-Parts-3-30-screenshot.png?w=796)

Want to add a bit of visual flair to 3D printed parts that goes maybe a little more than skin-deep? That’s exactly what [volzo] was after, which led him to […read more](https://hackaday.com/2022/07/31/adding-perlin-noise-to-3d-printed-parts-with-python/) ⌘ [Read more](https://hackaday.com/2022/07/31/adding-perlin-noise-to-3d-printed-parts-with-python/) 2022-07-31T20:00:07Z **Hackaday Prize 2022: An Eastern Bloc NES Clone**
![](https://hackaday.com/wp-content/uploads/2022/07/famicom-clone-main.jpg?w=800)

If Nintendo is known for anything outside of their characters and admittedly top-notch video games, it’s being merciless to fans when it comes to using their intellectual property. They take […read more](https://hackaday.com/2022/07/31/hackaday-prize-2022-an-eastern-bloc-nes-clone/) ⌘ [Read more](https://hackaday.com/2022/07/31/hackaday-prize-2022-an-eastern-bloc-nes-clone/) 2022-07-31T23:00:49Z **Hackaday Links: July 31, 2022**
![Hackaday Links Column Banner](https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800)

Don’t look up! As of the time of this writing, there’s a decent chance that a Chinese Long March 5B booster has already completed its uncontrolled return to Earth, hopefully […read more](https://hackaday.com/2022/07/31/hackaday-links-july-31-2022/) ⌘ [Read more](https://hackaday.com/2022/07/31/hackaday-links-july-31-2022/) 2022-08-01T02:00:09Z **Industrial Robot Repurposed to Make S’Mores**
![](https://hackaday.com/wp-content/uploads/2022/07/smorebot_feat.jpg?w=800)

It’s summer time in the Northern Hemisphere, and that means campfires for cooking hot dogs, keeping the mosquitoes away, and of course, making s’mores. For our far-flung friends, that’s a […read more](https://hackaday.com/2022/07/31/industrial-robot-repurposed-to-make-smores/) ⌘ [Read more](https://hackaday.com/2022/07/31/industrial-robot-repurposed-to-make-smores/) 2022-08-01T05:00:54Z **Trippy Bicycle Uses Multiple Partial Wheels**
![](https://hackaday.com/wp-content/uploads/2022/07/partial-wheel-bicycle.png?w=800)

Bicycles need at least two wheels to be rideable, but [The Q] realized you don’t necessarily need the wheels to be in one piece. As long as you have at […read more](https://hackaday.com/2022/07/31/trippy-bicycle-uses-multiple-partial-wheels/) ⌘ [Read more](https://hackaday.com/2022/07/31/trippy-bicycle-uses-multiple-partial-wheels/) 2022-08-01T08:00:11Z **Self-Hosted Pi Pico Development**
![](https://hackaday.com/wp-content/uploads/2022/06/Copy-of-PICO-W-HERO-800x533-1.jpg?w=800)

Older readers and those with an interest in retrocomputing may remember the days when a computer might well have booted into a BASIC interpreter. It was simultaneously a general purpose […read more](https://hackaday.com/2022/08/01/self-hosted-pi-pico-development/) ⌘ [Read more](https://hackaday.com/2022/08/01/self-hosted-pi-pico-development/) 2022-08-01T11:00:40Z **Re-Creating The Unique Look of Unobtainable Aerochrome Film**
![](https://hackaday.com/wp-content/uploads/2022/07/Re-creating-Aerochrome-film-1.jpg?w=800)

Ever heard of Aerochrome? It’s a unique type of color infrared film, originally created for the US military and designed for surveillance planes. Photos taken with Aerochrome film show trees […read more](https://hackaday.com/2022/08/01/re-creating-the-unique-look-of-unobtainable-aerochrome-film/) ⌘ [Read more](https://hackaday.com/2022/08/01/re-creating-the-unique-look-of-unobtainable-aerochrome-film/) 2022-08-01T14:00:00Z **Dead Spider Becomes Robot Gripper: It’s Necrobotics!**
![](https://hackaday.com/wp-content/uploads/2022/08/spider_circuit_featured.png?w=800)

Robot arms and grippers do important work every hour of every day. They’re used in production lines around the world, toiling virtually ceaselessly outside of their designated maintenance windows. They’re […read more](https://hackaday.com/2022/08/01/dead-spider-becomes-robot-gripper-its-necrobotics/) ⌘ [Read more](https://hackaday.com/2022/08/01/dead-spider-becomes-robot-gripper-its-necrobotics/) 2022-08-01T15:30:47Z **R2Home Is Ready To Bring Back Your High Altitude Payload**
![](https://hackaday.com/wp-content/uploads/2022/07/r2home-2-featured.jpg?w=800)

With high-altitude ballooning, you are at the mercy of the winds, which can move your payload hundreds of kilometers and deposit it in some inaccessible spot. To solve this [Yohan […read more](https://hackaday.com/2022/08/01/r2home-is-ready-to-bring-back-your-high-altitude-payload/) ⌘ [Read more](https://hackaday.com/2022/08/01/r2home-is-ready-to-bring-back-your-high-altitude-payload/) 2022-08-01T17:00:55Z **Ask Hackaday: What Was Your First Electronics Win?**
![](https://hackaday.com/wp-content/uploads/2021/06/Win.jpg?w=800)

Back in high school, I joined the stage crew — because of course I did. As student theater groups go, it was pretty active, and with two shows to produce […read more](https://hackaday.com/2022/08/01/ask-hackaday-what-was-your-first-electronics-win/) ⌘ [Read more](https://hackaday.com/2022/08/01/ask-hackaday-what-was-your-first-electronics-win/) 2022-08-01T18:30:48Z **Scavenging CDs For Flexible Parts**
![](https://hackaday.com/wp-content/uploads/2022/07/gold-cd-main.jpg?w=800)

CDs are becoming largely obsolete now, thanks to the speed of the internet and the reliability and low costs of other storage media. To help keep all of this plastic […read more](https://hackaday.com/2022/08/01/scavenging-cds-for-flexible-parts/) ⌘ [Read more](https://hackaday.com/2022/08/01/scavenging-cds-for-flexible-parts/) 2022-08-01T20:00:16Z **Simple Propulsion For The Lazy Paddle Boarder**
![](https://hackaday.com/wp-content/uploads/2022/07/paddelboard-propulsion.png?w=800)

One of the downsides to healthy outdoor activities is all the exercise. Who would want to do that if you can build something to do the hard work for you? […read more](https://hackaday.com/2022/08/01/simple-propulsion-for-the-lazy-paddle-boarder/) ⌘ [Read more](https://hackaday.com/2022/08/01/simple-propulsion-for-the-lazy-paddle-boarder/) 2022-08-01T23:00:59Z **OpenDendrometer Can Measure How Your Tree Feels**
![](https://hackaday.com/wp-content/uploads/2022/07/opendendrometer.jpg?w=800)

There are various ways to measure plant health, and we’ve seen many projects creating open-source solutions. One we haven’t seen is a dendrometer, which involves measuring various physical dimensions of […read more](https://hackaday.com/2022/08/01/opendendrometer-can-measure-how-your-tree-feels/) ⌘ [Read more](https://hackaday.com/2022/08/01/opendendrometer-can-measure-how-your-tree-feels/) 2022-08-02T02:00:07Z **Never Too Rich Or Thin: Compress Sqlite 80%**
![](https://hackaday.com/wp-content/uploads/2022/08/sql.png?w=800)

We are big fans of using SQLite for anything of even moderate complexity where you might otherwise use a file. The advantages are numerous, but sometimes you want to be […read more](https://hackaday.com/2022/08/01/never-too-rich-or-thin-compress-sqlite-80/) ⌘ [Read more](https://hackaday.com/2022/08/01/never-too-rich-or-thin-compress-sqlite-80/) 2022-08-02T05:00:04Z **Combat Gets a Computer Controlled Opponent**
![](https://hackaday.com/wp-content/uploads/2022/07/combat_feat.gif?w=800)

If you ever spent some time playing on the Atari 2600, there’s an excellent chance you went through a few rounds of Combat. The two-player warfare game not only came […read more](https://hackaday.com/2022/08/01/combat-gets-a-computer-controlled-opponent/) ⌘ [Read more](https://hackaday.com/2022/08/01/combat-gets-a-computer-controlled-opponent/) 2022-08-02T08:00:29Z **Hoverboard Powered Sofa Is Fun and a Bit Dangerous**
![](https://hackaday.com/wp-content/uploads/2022/07/hoverboard-sofa.png?w=800)

Discarded hoverboards are a great source of free high torque motors for hacking. This can include crazy but fun projects like this hoverboard-driven IKEA sofa, as demonstrated by [Bitluni] and […read more](https://hackaday.com/2022/08/02/hoverboard-powered-sofa-is-fun-and-a-bit-dangerous/) ⌘ [Read more](https://hackaday.com/2022/08/02/hoverboard-powered-sofa-is-fun-and-a-bit-dangerous/) 2022-08-02T11:00:40Z **The GameTank is the Latest and Greatest 8-bit Game Console**
![](https://hackaday.com/wp-content/uploads/2022/07/gametank-console.jpg?w=800)

The NES, Atari 2600, the Apple II, the Commodore 64 and the TurboGrafx-16 are just some of the many game consoles and home computers built around the 6502 CPU. And […read more](https://hackaday.com/2022/08/02/the-gametank-is-the-latest-and-greatest-8-bit-game-console/) ⌘ [Read more](https://hackaday.com/2022/08/02/the-gametank-is-the-latest-and-greatest-8-bit-game-console/) 2022-08-02T14:00:19Z **Mutually Crafted Happiness: How MCH2022 Happened**
![An illuminated MCH2022 sign composed of large LED letters](https://hackaday.com/wp-content/uploads/2022/07/hadimg_mch2022_feat.jpg?w=800)

Just a few days ago, MCH2022, a six day long hacker camp in Netherlands, has concluded – bringing about three thousand hackers together to hang out. It was my first […read more](https://hackaday.com/2022/08/02/mutually-crafted-happiness-how-mch2022-happened/) ⌘ [Read more](https://hackaday.com/2022/08/02/mutually-crafted-happiness-how-mch2022-happened/) 2022-08-02T15:30:00Z **Homemade SawStop Attachment Is Just About As Sketchy As It Sounds**
![](https://hackaday.com/wp-content/uploads/2022/08/1280x720-vtime6_11-take2022-08-01-14.06.25.png?w=800)

TL;DR — when [Colin Furze] is your “safety inspector,” you really should be reconsidering your project goals. Most of us have probably by now seen the SawStop brand of self-stopping […read more](https://hackaday.com/2022/08/02/homemade-sawstop-attachment-is-just-about-as-sketchy-as-it-sounds/) ⌘ [Read more](https://hackaday.com/2022/08/02/homemade-sawstop-attachment-is-just-about-as-sketchy-as-it-sounds/) 2022-08-02T17:00:23Z **Toyota’s Cartridge Helps Make Hydrogen Portable**
![](https://hackaday.com/wp-content/uploads/2022/08/ToyotaHydrogen.jpg?w=800)

Hydrogen has long been touted as the solution to cleaning up road transport. When used in fuel cells, the only emissions from its use are water, and it eliminates the […read more](https://hackaday.com/2022/08/02/toyotas-cartridge-helps-make-hydrogen-portable/) ⌘ [Read more](https://hackaday.com/2022/08/02/toyotas-cartridge-helps-make-hydrogen-portable/) 2022-08-02T18:30:24Z **The Rollercoaster Of Developing The Ultimate Hackable Keyboard**
![](https://hackaday.com/wp-content/uploads/2022/07/miragev2.png?w=800)

When designing anything with “hackable” in the punchline, scope creep is an integral part of the process. You end up trying to create something to potentially be an infinite number […read more](https://hackaday.com/2022/08/02/the-rollercoaster-of-developing-the-ultimate-hackable-keyboard/) ⌘ [Read more](https://hackaday.com/2022/08/02/the-rollercoaster-of-developing-the-ultimate-hackable-keyboard/) 2022-08-02T20:00:08Z **RC Lawnmower Is Built To Last**
![](https://hackaday.com/wp-content/uploads/2022/07/rc-lawnmower.png?w=800)

Mowing the lawn is one of those tasks that someone will always be optimizing or automating. To allow to mow the lawn while seated comfortably in the shade, [Workshop from […read more](https://hackaday.com/2022/08/02/rc-lawnmower-is-built-to-last/) ⌘ [Read more](https://hackaday.com/2022/08/02/rc-lawnmower-is-built-to-last/) 2022-08-02T23:00:52Z **Revive Your Old E-Ink Tablet For Timetable Helper Duty**
![Tablet ina 3D printed stand, showing timetables on its screen](https://hackaday.com/wp-content/uploads/2022/08/hadimg_nook_revival_feat.jpg?w=800)

In our drawers, there’s gonna be quite a few old devices that we’ve forgotten about, and perhaps we ought to make them work for us instead. [Jonatron] found a Nook […read more](https://hackaday.com/2022/08/02/revive-your-old-e-ink-tablet-for-timetable-helper-duty/) ⌘ [Read more](https://hackaday.com/2022/08/02/revive-your-old-e-ink-tablet-for-timetable-helper-duty/) 2022-08-03T02:00:07Z **Ham Radio Hacking: Thinking Inside the Box**
![](https://hackaday.com/wp-content/uploads/2022/08/box..png?w=800)

There are two ways to deal with improving ham radio receivers, or — for that matter — any sort of receiver. You can filter and modify the radio frequency including […read more](https://hackaday.com/2022/08/02/ham-radio-hacking-thinking-inside-the-box/) ⌘ [Read more](https://hackaday.com/2022/08/02/ham-radio-hacking-thinking-inside-the-box/) 2022-08-03T05:00:56Z **Ultimate Bokeh With A Projector Lens**
![](https://hackaday.com/wp-content/uploads/2022/08/episcope-camera-featured2.png?w=800)

Bokeh is a photography term that’s a bit difficult to define but is basically soft, aesthetically pleasing soft background blur, often used to make a subject stand out. Also called […read more](https://hackaday.com/2022/08/02/ultimate-bokeh-with-a-projector-lens/) ⌘ [Read more](https://hackaday.com/2022/08/02/ultimate-bokeh-with-a-projector-lens/) 2022-08-03T08:00:18Z **A Classic TV Trope For An Escape Room**
![](https://hackaday.com/wp-content/uploads/2022/07/secret-bookshelf.jpg?w=800)

No spooky mansion is complete without a secret passage accessed through a book shelf — or so Hollywood has taught us. What works as a cliché in movies works equally […read more](https://hackaday.com/2022/08/03/a-classic-tv-trope-for-an-escape-room/) ⌘ [Read more](https://hackaday.com/2022/08/03/a-classic-tv-trope-for-an-escape-room/) 2022-08-03T11:00:39Z **Restore Your Formerly Useless Ouya Console**
![](https://hackaday.com/wp-content/uploads/2022/08/ouya-main.jpg?w=800)

Plenty of electronics end up in the junk drawer or even landfill after their useful life ends, but in the modern world of planned obsolescence a lot more devices are […read more](https://hackaday.com/2022/08/03/restore-your-formerly-useless-ouya-console/) ⌘ [Read more](https://hackaday.com/2022/08/03/restore-your-formerly-useless-ouya-console/) 2022-08-03T14:00:25Z **Maximum Power Point Tracking: Optimizing Solar Panels**
![](https://hackaday.com/wp-content/uploads/2022/08/MPPT.jpg?w=800)

When looking at integrating a photovoltaic solar panel into a project, the naive assumption would be that you simply point the panel into the general direction of where the Sun […read more](https://hackaday.com/2022/08/03/maximum-power-point-tracking-optimizing-solar-panels/) ⌘ [Read more](https://hackaday.com/2022/08/03/maximum-power-point-tracking-optimizing-solar-panels/) 2022-08-03T15:30:11Z **Saving Fuel With Advanced Sensors And An Arduino**
![](https://hackaday.com/wp-content/uploads/2022/07/hackesaturnleanburn-featured.jpg?w=800)

When [Robot Cantina] isn’t busy tweaking the 420cc Big Block engine in their Honda Insight, they’re probably working on some other completely far out automotive atrocity. In the video below the […read more](https://hackaday.com/2022/08/03/saving-fuel-with-advanced-sensors-and-an-arduino/) ⌘ [Read more](https://hackaday.com/2022/08/03/saving-fuel-with-advanced-sensors-and-an-arduino/) 2022-08-03T17:00:17Z **The Hackaday Summer Camp Survival Guide**
![](https://hackaday.com/wp-content/uploads/2022/08/Camp.jpg?w=800)

It’s a feature of summer for us, the round of hacker camps in which members of our community gather in fields and spend a few days relaxing and doing what […read more](https://hackaday.com/2022/08/03/the-hackaday-summer-camp-survival-guide/) ⌘ [Read more](https://hackaday.com/2022/08/03/the-hackaday-summer-camp-survival-guide/) 2022-08-03T18:30:06Z **Hackaday Prize 2022: A Hefty Hoverboard Rover**
![](https://hackaday.com/wp-content/uploads/2022/07/hoverboard-rover-featured.jpg?w=668)

Popular consumer products often become the basis of many hacker projects, and hoverboards are a good example of this. [Tanguy] is using the drivetrain from a pair of hoverboards to […read more](https://hackaday.com/2022/08/03/hackaday-prize-2022-a-hefty-hoverboard-rover/) ⌘ [Read more](https://hackaday.com/2022/08/03/hackaday-prize-2022-a-hefty-hoverboard-rover/) 2022-08-03T20:00:55Z **Hackable $20 Modem Combines LTE And Pi Zero W2 Power**
![The modem in question plugged into a black powerbank.](https://hackaday.com/wp-content/uploads/2022/08/hadimg_usbmodem_sbc_feat.jpg?w=800)

[extrowerk] tells us about a new hacker-friendly device – a $20 LTE modem stick with a quadcore CPU and WiFi, capable of running fully-featured Linux distributions. This discovery hinges on […read more](https://hackaday.com/2022/08/03/hackable-20-modem-combines-lte-and-pi-zero-w2-power/) ⌘ [Read more](https://hackaday.com/2022/08/03/hackable-20-modem-combines-lte-and-pi-zero-w2-power/) 2022-08-03T23:00:01Z **NVIDIA Unleashes the First Jetson AGX Orin Module**
![](https://hackaday.com/wp-content/uploads/2022/08/orinmodules_feat.jpg?w=800)

Back in March, NVIDIA introduced Jetson Orin, the next-generation of their ARM single-board computers intended for edge computing applications. The new platform promised to deliver “server-class AI performance” on a […read more](https://hackaday.com/2022/08/03/nvidia-unleashes-the-first-jetson-agx-orin-module/) ⌘ [Read more](https://hackaday.com/2022/08/03/nvidia-unleashes-the-first-jetson-agx-orin-module/) 2022-08-04T02:00:16Z **Next Floor: Geosynchronous Satellites, Orbiting Laboratories**
![](https://hackaday.com/wp-content/uploads/2022/08/elev.png?w=800)

On Star Trek, if you want to go from one deck to another, you enter a “turbolift” and tell it where you want to go. However, many people have speculated […read more](https://hackaday.com/2022/08/03/next-floor-geosynchronous-satellites-orbiting-laboratories/) ⌘ [Read more](https://hackaday.com/2022/08/03/next-floor-geosynchronous-satellites-orbiting-laboratories/) 2022-08-04T05:00:39Z **Brass Plaque Honors Brother**
![](https://hackaday.com/wp-content/uploads/2022/08/2022-08-01_ElectrolysisPlauqeFeat02.png?w=800)

Brass plaques are eye-catching because no one makes them on a whim. They are more costly than wood or plastic, and processing them is proportionally difficult. [Becky Stern] picked the […read more](https://hackaday.com/2022/08/03/brass-plaque-honors-brother/) ⌘ [Read more](https://hackaday.com/2022/08/03/brass-plaque-honors-brother/) 2022-08-04T08:00:36Z **3D Printed Braiding Machine Brings Back Some History**
![](https://hackaday.com/wp-content/uploads/2022/07/braiding-machine-1.png?w=800)

Mechanizing the production of textiles was a major part of the industrial revolution, and with the convenience of many people are recreating the classic machines. A perfect example of this […read more](https://hackaday.com/2022/08/04/3d-printed-braiding-machine-brings-back-some-history/) ⌘ [Read more](https://hackaday.com/2022/08/04/3d-printed-braiding-machine-brings-back-some-history/) 2022-08-04T11:00:28Z **Liberated E-Ink Shelf Labels Turned 10×2 Display**
![](https://hackaday.com/wp-content/uploads/2022/08/esl.png?w=800)

How expensive is it to make a panel that uses e-ink technology? That might depend on how flexible you are. [RBarron] read about reverse engineering point-of-sale shelf labels and found […read more](https://hackaday.com/2022/08/04/liberated-e-ink-shelf-labels-turned-10x2-display/) ⌘ [Read more](https://hackaday.com/2022/08/04/liberated-e-ink-shelf-labels-turned-10x2-display/) 2022-08-04T14:00:29Z **Stentrodes: A Way To Insert Brain Electrodes Without Invasive Surgery**
![](https://hackaday.com/wp-content/uploads/2022/08/Stentrodes.jpg?w=800)

When we think of brain-computer interfaces (BCIs) that use electrodes, we usually think of Utah arrays that are placed directly on the brain during open brain surgery, or with thin […read more](https://hackaday.com/2022/08/04/stentrodes-a-way-to-insert-brain-electrodes-without-invasive-surgery/) ⌘ [Read more](https://hackaday.com/2022/08/04/stentrodes-a-way-to-insert-brain-electrodes-without-invasive-surgery/) 2022-08-04T15:30:06Z **Jigsaw Puzzles are Defeated**
![](https://hackaday.com/wp-content/uploads/2022/08/puzzlebot_feat.jpg?w=800)

To some folx, puzzles are the ultimate single-player game, but to others, they are like getting a single Tootsie Roll on Halloween. [Shane] of Stuff Made Here must fall into […read more](https://hackaday.com/2022/08/04/jigsaw-puzzles-are-defeated/) ⌘ [Read more](https://hackaday.com/2022/08/04/jigsaw-puzzles-are-defeated/) 2022-08-04T17:00:29Z **Reduced Sulfur Emissions Could Cause Climate Shock**
![](https://hackaday.com/wp-content/uploads/2022/08/23998018863_9971c6b76a_o_featured.png?w=800)

When we talk about emissions these days, we typically talk about cutting them back for the good of the environment. However, the climate system is a complex beast, and one […read more](https://hackaday.com/2022/08/04/reduced-sulfur-emissions-could-cause-climate-shock/) ⌘ [Read more](https://hackaday.com/2022/08/04/reduced-sulfur-emissions-could-cause-climate-shock/) 2022-08-04T18:30:31Z **30 Free Circuit Simulators Lightly Reviewed**
![](https://hackaday.com/wp-content/uploads/2018/04/circuitvr.jpg?w=800)

We live in a time where great software is available with the click of a mouse, often for free or — at least — low cost. But there’s a problem: […read more](https://hackaday.com/2022/08/04/30-free-circuit-simulators-lightly-reviewed/) ⌘ [Read more](https://hackaday.com/2022/08/04/30-free-circuit-simulators-lightly-reviewed/) 2022-08-04T20:00:52Z **Converting an 80s Typewriter Into a Linux Terminal**
![](https://hackaday.com/wp-content/uploads/2022/08/1280x720-vtime5_12-take2022-08-03-19.50.01.png?w=800)

Typewriters may be long past their heyday, but just because PCs, word processor software, and cheap printers have made them largely obsolete doesn’t mean the world is better off without […read more](https://hackaday.com/2022/08/04/converting-an-80s-typewriter-into-a-linux-terminal/) ⌘ [Read more](https://hackaday.com/2022/08/04/converting-an-80s-typewriter-into-a-linux-terminal/) 2022-08-04T23:00:58Z **Stewart Platform Wields Magic Fingers to Massage Your Scalp**
![](https://hackaday.com/wp-content/uploads/2022/08/stewart-massager.png?w=800)

Attention Hackaday editors: We on the writing crew hereby formally request budget allocation for installing a Stewart platform head massager on the chair of each workstation in the secret underground […read more](https://hackaday.com/2022/08/04/stewart-platform-wields-magic-fingers-to-massage-your-scalp/) ⌘ [Read more](https://hackaday.com/2022/08/04/stewart-platform-wields-magic-fingers-to-massage-your-scalp/) 2022-08-05T02:00:34Z **The FishFeeder Keeps Your Fish Fed While You’re Away**
![An automatic fish feeding system mounted on an aquarium](https://hackaday.com/wp-content/uploads/2022/08/FishFeeder.jpg?w=800)

With summer in full swing in the Northern Hemisphere, millions of people are out on vacation leaving millions of homes empty. Thanks to modern technology it’s easier than ever to […read more](https://hackaday.com/2022/08/04/the-fishfeeder-keeps-your-fish-fed-while-youre-away/) ⌘ [Read more](https://hackaday.com/2022/08/04/the-fishfeeder-keeps-your-fish-fed-while-youre-away/) 2022-08-05T05:00:55Z **Buzzword Bingo Bitcoin Burial Burrowing Blueprint Balked at By Bureaucracy**
![](https://hackaday.com/wp-content/uploads/2022/08/btc-landfill-featured.jpg?w=800)

Many of you will at some time have heard the unfortunate tale of [James Howells], a Welsh IT worker who threw away a hard drive containing 8,000 Bitcoin back in […read more](https://hackaday.com/2022/08/04/buzzword-bingo-bitcoin-burial-burrowing-blueprint-balked-at-by-bureaucracy/) ⌘ [Read more](https://hackaday.com/2022/08/04/buzzword-bingo-bitcoin-burial-burrowing-blueprint-balked-at-by-bureaucracy/) 2022-08-05T08:00:54Z **Hackaday Prize 2022: Saving the World, One Brew at a Time**
![](https://hackaday.com/wp-content/uploads/2022/08/save_the_coffee.png?w=800)

OK, so maybe [satanistik] is overreaching with his project title “Save the Coffee, Save the World” but keeping an otherwise working coffee machine out of the landfill by hacking around […read more](https://hackaday.com/2022/08/05/hackaday-prize-2022-saving-the-world-one-brew-at-a-time/) ⌘ [Read more](https://hackaday.com/2022/08/05/hackaday-prize-2022-saving-the-world-one-brew-at-a-time/) 2022-08-05T11:01:13Z **Welcome to Ziptie City**
![](https://hackaday.com/wp-content/uploads/2022/08/obsessed-with-a-3d-printing-design-technique-i-just-discovered-ziptiecity-qgt9p6jsyay-mp4-shot0001_featured_featured.png?w=800)

Gravity, magnetism, the weak and strong nuclear forces; sure they hold a lot of stuff together. But the other binding force of nature that demands your utmost respect? Zip ties. […read more](https://hackaday.com/2022/08/05/welcome-to-ziptie-city/) ⌘ [Read more](https://hackaday.com/2022/08/05/welcome-to-ziptie-city/) 2022-08-05T14:00:35Z **This Week in Security: Symbiote Research and Detection, Routing Hijacks, Bruggling, and More**
![](https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800)

Last week we covered the Symbiote Rootkit, based on the excellent work by Blackberry, Intezer, and Cyber Geeks. This particular piece of malware takes some particularly clever and devious steps […read more](https://hackaday.com/2022/08/05/this-week-in-security-symbiote-research-and-de ... ⌘ [Read more](https://hackaday.com/2022/08/05/this-week-in-security-symbiote-research-and-detection-routing-hijacks-bruggling-and-more/) 2022-08-05T15:00:00Z **Build Your Own 3D Printed Bluetooth Headphones**
![](https://hackaday.com/wp-content/uploads/2022/08/diybt_feat.jpg?w=800)

A few years back, [Shannon Ley] wondered how hard it would be to build a pair of Bluetooth headphones from scratch. Today, we have our answer. The Homebrew Headphones website […read more](https://hackaday.com/2022/08/05/build-your-own-3d-printed-bluetooth-headphones/) ⌘ [Read more](https://hackaday.com/2022/08/05/build-your-own-3d-printed-bluetooth-headphones/) 2022-08-05T16:00:19Z **Hackaday Podcast 180: Tiny CRTs, Springy PCBs, and Measuring Trees**
![](https://hackaday.com/wp-content/uploads/2016/05/microphone.jpg?w=800)

This week, Editor-in-Chief Elliot Williams and Assignments Editor Kristina Panos traded sweat for silence, recording from their respective attic-level offices in the August heat unaided by fans (too noisy). We […read more](https://hackaday.com/2022/08/05/hackaday-podcast-180-tiny-crts-springy-pcbs-and-measuring-trees/) ⌘ [Read more](https://hackaday.com/2022/08/05/hackaday-podcast-180-tiny-crts-springy-pcbs-and-measuring-trees/) 2022-08-05T17:00:07Z **Books You Should Read: The Hardware Hacker’s Handbook**
![](https://hackaday.com/wp-content/uploads/2022/07/hadimg_hardwarehacking_book_feat.jpg?w=800)

Here on Hackaday, we routinely cover wonderful informative writeups on different areas of hardware hacking, and we even have our own university with courses that delve into topics one by […read more](https://hackaday.com/2022/08/05/books-you-should-read-the-hardware-hackers-handbook/) ⌘ [Read more](https://hackaday.com/2022/08/05/books-you-should-read-the-hardware-hackers-handbook/) 2022-08-05T18:30:23Z **ESP32 Powers Covert Pentesting Device**
![](https://hackaday.com/wp-content/uploads/2022/08/dropthrower_feat.jpg?w=800)

Looking to expand their hardware design experience, [mentalburden] recently put together a low-cost handheld gadget that can be used for various security-related tasks such as logging WiFi traffic, operating as […read more](https://hackaday.com/2022/08/05/esp32-powers-covert-pentesting-device/) ⌘ [Read more](https://hackaday.com/2022/08/05/esp32-powers-covert-pentesting-device/) 2022-08-05T20:00:54Z **BPS.Space Succesfully Lands A Model Rocket**
![](https://hackaday.com/wp-content/uploads/2022/08/bpsspace-landing.png?w=800)

If you’ve been following [Joe Barnard]’s rocketry projects for the past few years, you’ll know that one of his primary goals has been to propulsively land a model rocket like […read more](https://hackaday.com/2022/08/05/bps-space-succesfully-lands-a-model-rocket/) ⌘ [Read more](https://hackaday.com/2022/08/05/bps-space-succesfully-lands-a-model-rocket/) 2022-08-05T23:00:00Z **Lawnmower Doesn’t Need a Base Station**
![](https://hackaday.com/wp-content/uploads/2022/08/mow.png?w=800)

A recent tour of an old WWII-era aircraft carrier reminded us how hard navigation was before the advent of GPS. It used to be the work of skilled people to […read more](https://hackaday.com/2022/08/05/lawnmower-doesnt-need-a-base-station/) ⌘ [Read more](https://hackaday.com/2022/08/05/lawnmower-doesnt-need-a-base-station/) 2022-08-06T02:00:00Z **E-paper Price Tags Combined To Create A Large Wireless Display**
![](https://hackaday.com/wp-content/uploads/2022/08/epaper-grid.png?w=800)

E-paper price tags have become popular for retail stores over the past few years, which is great for hackers since we now have some more cheap commodity hardware to play […read more](https://hackaday.com/2022/08/05/e-paper-price-tags-combined-to-create-a-large-wireless-display/) ⌘ [Read more](https://hackaday.com/2022/08/05/e-paper-price-tags-combined-to-create-a-large-wireless-display/) 2022-08-06T05:00:00Z **Everything You Wanted to Know about SDRAM Timing But Were Afraid to Ask**
![](https://hackaday.com/wp-content/uploads/2022/08/dram.png?w=800)

One of the problems with being engaged in our hobby or profession is that people assume if you can build a computer out of chips, you must know all the […read more](https://hackaday.com/2022/08/05/everything-you-wanted-to-know-about-sdram-timing-but-were-afraid-to-ask/) ⌘ [Read more](https://hackaday.com/2022/08/05/everything-you-wanted-to-know-about-sdram-timing-but-were-afraid-to-ask/) 2022-08-06T08:00:46Z **Here’s How The Precursor Protects Your Privacy**
![](https://hackaday.com/wp-content/uploads/2020/09/precursor-eightview_jpg_project-main.jpg?w=749)

At some point, you will find yourself asking – is my device actually running the code I expect it to? [bunnie] aka [Andrew Huang] is passionate about making devices you […read more](https://hackaday.com/2022/08/06/heres-how-the-precursor-protects-your-privacy/) ⌘ [Read more](https://hackaday.com/2022/08/06/heres-how-the-precursor-protects-your-privacy/) 2022-08-06T11:00:28Z **Solar Plane Might Be Able To Last Through The Night**
![](https://hackaday.com/wp-content/uploads/2022/08/solar-dragon-featured.png?w=800)

“Just add solar panels to the wings” is a popular suggestion for improving the flight times of fixed-wing drones. However, the reality is not so simple, and it’s easy to […read more](https://hackaday.com/2022/08/06/solar-plane-might-be-able-to-last-through-the-night/) ⌘ [Read more](https://hackaday.com/2022/08/06/solar-plane-might-be-able-to-last-through-the-night/) 2022-08-06T14:00:32Z **Learning By Playing**
![](https://hackaday.com/wp-content/uploads/2021/02/1940.jpg?w=800)

Summer break has started over here, and my son went off to his first of a few day-camp-like activities last week. It was actually really cool – a workshop held […read more](https://hackaday.com/2022/08/06/learning-by-playing/) ⌘ [Read more](https://hackaday.com/2022/08/06/learning-by-playing/) 2022-08-06T17:00:34Z **Hackaday Prize 2022: DIY Brushless Hand Cranked Generator**
![](https://hackaday.com/wp-content/uploads/2022/08/hand-crank-featured.jpg?w=800)

A standard part of travel kit for the 2020s is now a battery pack — a hefty lithium-ion cell with onboard electronics for USB charging, that ensures all of our […read more](https://hackaday.com/2022/08/06/hackaday-prize-2022-diy-brushless-hand-cranked-generator/) ⌘ [Read more](https://hackaday.com/2022/08/06/hackaday-prize-2022-diy-brushless-hand-cranked-generator/) 2022-08-06T20:00:10Z **PixMob Wristband Protocol Reverse-Engineering Groundwork**
![A family of PixMob bracelets being coltrolled by an ESP32 with an IR transmitter attached to it. All the bracelets are shining a blue-ish color](https://hackaday.com/wp-content/uploads/2022/08/hadimg_pixmob_protocol_feat.png?w=800)

The idea behind the PixMob wristband is simple — at a concert, organizers hand these out to the concertgoers, and during the show, infrared projectors are used to transmit commands […read mor ... ⌘ [Read more](https://hackaday.com/2022/08/06/pixmob-wristband-protocol-reverse-engineering-groundwork/) 2022-08-06T23:00:00Z **This Stainless Steel Knife Build Starts with Raw Iron Ore**
![](https://hackaday.com/wp-content/uploads/2022/08/1280x720-vtime17_30-take2022-08-05-17.41.24.png?w=800)

Making knives at home has become a popular hobby, thanks partly to reality TV and the free time and idle hands afforded by lockdowns. Depending on how far you get […read more](https://hackaday.com/2022/08/06/this-stainless-steel-knife-build-starts-with-raw-iron-ore/) ⌘ [Read more](https://hackaday.com/2022/08/06/this-stainless-steel-knife-build-starts-with-raw-iron-ore/) 2022-08-07T02:00:41Z **Compare PDFs Visually**
![](https://hackaday.com/wp-content/uploads/2022/08/pdf-compare.jpg?w=800)

Sometimes a problem seems hard, but the right insight can make it easy. If you were asked to write a program to compare two PDF files and show the differences, […read more](https://hackaday.com/2022/08/06/compare-pdfs-visually/) ⌘ [Read more](https://hackaday.com/2022/08/06/compare-pdfs-visually/) 2022-08-07T05:00:42Z **Laptoppin’ Like 1975**
![](https://hackaday.com/wp-content/uploads/2022/08/pz1.png?w=800)

When we first saw the PZ1 laptop — a 6502 laptop-style computer with a small display and 512K of RAM — we couldn’t help but think of the old AIM […read more](https://hackaday.com/2022/08/06/laptoppin-like-1975/) ⌘ [Read more](https://hackaday.com/2022/08/06/laptoppin-like-1975/) 2022-08-07T08:00:00Z **MCH2022 Badge CTF Solved, With Plenty To Learn From**
![Photo of the MCH2022 badge's screen, showing the "Hack me if you can" app's start splashscreen, saying "Service is accessible on IP ADDRESS : 1337"](https://hackaday.com/wp-content/uploads/2022/08/hadimg_mch2022_ctf_feat.jpg?w=800)

Among all the things you could find at MCH2022, there were a few CTFs (Capture The Flag exercises) – in particular, every badge contained an application that you could  try […read more](https://hackaday ... ⌘ [Read more](https://hackaday.com/2022/08/07/mch2022-badge-ctf-solved-with-plenty-to-learn-from/) 2022-08-07T11:00:04Z **Want Faster Extrusion but Don’t Have a Volcano? Nuts!**
![](https://hackaday.com/wp-content/uploads/2022/08/vol.png?w=800)

A lot of people want to print faster. Maybe they don’t like to wait, or they need to print a lot of things. Maybe it is just human nature to […read more](https://hackaday.com/2022/08/07/want-faster-extrusion-but-dont-have-a-volcano-nuts/) ⌘ [Read more](https://hackaday.com/2022/08/07/want-faster-extrusion-but-dont-have-a-volcano-nuts/) 2022-08-07T14:00:40Z **CT Scans Help Reverse Engineer Mystery Module**
![](https://hackaday.com/wp-content/uploads/2022/08/structure.jpg?w=800)

The degree to which computed tomography has been a boon to medical science is hard to overstate. CT scans give doctors a look inside the body that gives far more […read more](https://hackaday.com/2022/08/07/ct-scans-help-reverse-engineer-mystery-module/) ⌘ [Read more](https://hackaday.com/2022/08/07/ct-scans-help-reverse-engineer-mystery-module/) 2022-08-07T17:00:34Z **Homemade CAT Scan Shouldn’t Scan Cats**
![](https://hackaday.com/wp-content/uploads/2022/08/cat.png?w=800)

[Pyrotechnical] thought about buying a CAT scanner and found out they cost millions of dollars. So he decided to build one for about $200 using a salvage X-ray tube and […read more](https://hackaday.com/2022/08/07/homemade-cat-scan-shouldnt-scan-cats/) ⌘ [Read more](https://hackaday.com/2022/08/07/homemade-cat-scan-shouldnt-scan-cats/) 2022-08-07T20:00:33Z **Build A Tablet Out Of Your Framework Motherboard**
![](https://hackaday.com/wp-content/uploads/2022/08/hadimg_frametablet_feat.jpg?w=800)

The Framework laptop project is known for quite a few hacker-friendly aspects. For example, they encourage you to reuse its motherboard as a single-board computer – making it into a […read more](https://hackaday.com/2022/08/07/build-a-tablet-out-of-your-framework-motherboard/) ⌘ [Read more](https://hackaday.com/2022/08/07/build-a-tablet-out-of-your-framework-motherboard/) 2022-08-07T23:00:44Z **Hackaday Links: August 7, 2022**
![Hackaday Links Column Banner](https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800)

If you ever needed proof that class-action lawsuits are a good deal only for the lawyers, look no further than the news that Tim Hortons will settle a data-tracking suit […read more](https://hackaday.com/2022/08/07/hackaday-links-august-7-2022/) ⌘ [Read more](https://hackaday.com/2022/08/07/hackaday-links-august-7-2022/) 2022-08-08T02:00:03Z **Robot Repeatedly Rearranges Remnants in the Round**
![KachiChan_Sisyphus_RobotArms-On-A-Platform](https://hackaday.com/wp-content/uploads/2022/08/KachiChan_Sisyphus_RobotArms_Featured.jpg?w=800)

Sisyphus is an art installation by [Kachi Chan] featuring two scales of robots engaged in endless cyclic interaction. Smaller robots build brick arches while a giant robot pushes them down. […read more](https://hackaday.com/2022/08/07/robot-repeatedly-rearranges-remnants-in-the-round/) ⌘ [Read more](https://hackaday.com/2022/08/07/robot-repeatedly-rearranges-remnants-in-the-round/) 2022-08-08T05:00:54Z **Real Robot One is… Real**
![](https://hackaday.com/wp-content/uploads/2022/08/real-robot-one.jpg?w=800)

Most of the robot arms we see are cool but little more than toys. Usually, they use RC servos to do motion and that’s great for making some basic motion, […read more](https://hackaday.com/2022/08/07/real-robot-one-is-real/) ⌘ [Read more](https://hackaday.com/2022/08/07/real-robot-one-is-real/) 2022-08-08T08:00:55Z **Was There a Programmable PONG Chip?**
![](https://hackaday.com/wp-content/uploads/2022/08/mos-pong-featured.jpg?w=800)

Students of game console history will reach back into the 1970s for the primordial machines, tracing from the Magnavox Odyssey onwards, and thence via the Fairchild Channel F into the […read more](https://hackaday.com/2022/08/08/was-there-a-programmable-pong-chip/) ⌘ [Read more](https://hackaday.com/2022/08/08/was-there-a-programmable-pong-chip/) 2022-08-08T11:00:38Z **PC Hardware Monitor Uses Tricorder-Derived Tech**
![](https://hackaday.com/wp-content/uploads/2022/08/mangymonitor_feat.jpg?w=800)

The visually striking hardware monitor that [Mangy\_Dog] recently put together for his new custom PC build might look like something out of the Alien franchise, but the hardware he’s built […read more](https://hackaday.com/2022/08/08/pc-hardware-monitor-uses-tricorder-derived-tech/) ⌘ [Read more](https://hackaday.com/2022/08/08/pc-hardware-monitor-uses-tricorder-derived-tech/) 2022-08-08T14:00:24Z **Martian Successes Reshape Sample Return Plans**
![](https://hackaday.com/wp-content/uploads/2022/02/Ascent.jpg?w=800)

For as long as humans have been sending probes to Mars, there’s been a desire to return rock, soil, and atmosphere samples back to Earth for more detailed analysis. But […read more](https://hackaday.com/2022/08/08/martian-successes-reshape-sample-return-plans/) ⌘ [Read more](https://hackaday.com/2022/08/08/martian-successes-reshape-sample-return-plans/) 2022-08-08T15:30:27Z **Hackaday Prize 2022: A Plasma Tweeter For Ultimate Clarity**
![](https://hackaday.com/wp-content/uploads/2022/08/plasma-tweeter-featured.jpg?w=800)

In the world of audio there are a huge variety of esoteric technologies which are rarely seen. One such is the plasma tweeter, a type of loudspeaker which generates sound […read more](https://hackaday.com/2022/08/08/a-plasma-tweeter-for-ultimate-clarity/) ⌘ [Read more](https://hackaday.com/2022/08/08/a-plasma-tweeter-for-ultimate-clarity/) 2022-08-08T16:00:02Z **Cyberdeck Brainstorming Hack Chat**
![](https://hackaday.com/wp-content/uploads/2022/03/rugged-cyberdeck-800.jpg?w=800)

Join us on Wednesday, August 10 at noon Pacific for the Cyberdeck Brainstorming Hack Chat! If there’s one thing for sure about Hackaday, it’s that we keep a finger on […read more](https://hackaday.com/2022/08/08/cyberdeck-brainstorming-hack-chat/) ⌘ [Read more](https://hackaday.com/2022/08/08/cyberdeck-brainstorming-hack-chat/) 2022-08-08T17:00:50Z **Load Your Icebreakers, The 2022 Cyberdeck Contest Starts Now**
![](https://hackaday.com/wp-content/uploads/2022/08/cyberdeck_banner.png?w=800)

TL;DR: Enter the 2022 Cyberdeck Contest, starting right now! When William Gibson first described the “cyberspace deck” used by the protagonists in Burning Chrome and Neuromancer, he offered only a […read more](https://hackaday.com/2022/08/08/load-your-icebreakers-the-2022-cyberdeck-contest-is-here/) ⌘ [Read more](https://hackaday.com/2022/08/08/load-your-icebreakers-the-2022-cyberdeck-contest-is-here/) 2022-08-08T20:00:48Z **Automated MicroSD Card Swapping Helps In Embedded Shenanigans**
![The SDWire board plugged into some SoM's breakout board's MicroSD socket](https://hackaday.com/wp-content/uploads/2022/08/hadimg_sdwire_feat.jpg?w=800)

[Saulius Lukse] has been working on some single board computer, seemingly, running Linux. Naturally, that boots from a microSD card – and as development goes on, that card has to […read more](https://hackaday.com/2022/08/08/automated-microsd-card-swapping-helps ... ⌘ [Read more](https://hackaday.com/2022/08/08/automated-microsd-card-swapping-helps-in-embedded-shenanigans/) 2022-08-08T23:00:18Z **The Car Of Theseus Boldly Goes Where Many Cars Have Gone Before**
![](https://hackaday.com/wp-content/uploads/2022/08/How-many-parts-can-you-take-off-a-car_-9-59-screenshot.png?w=800)

We could all use a good chuckle every once in a while. [William Osman] revisited the ship of Theseus in a simplified manner. How many parts can you remove from […read more](https://hackaday.com/2022/08/08/the-car-of-theseus-boldly-goes-where-many-cars-have-gone-before/) ⌘ [Read more](https://hackaday.com/2022/08/08/the-car-of-theseus-boldly-goes-where-many-cars-have-gone-before/) 2022-08-09T02:00:33Z **Replace An AA Battery With Paper**
![](https://hackaday.com/wp-content/uploads/2022/08/paper-battery-main.png?w=800)

Paper is an ubiquitous part of society; so much so that the incredible engineering behind it often goes unnoticed. That isn’t the case for [Robert], though, who has a deep […read more](https://hackaday.com/2022/08/08/replace-an-aa-battery-with-paper/) ⌘ [Read more](https://hackaday.com/2022/08/08/replace-an-aa-battery-with-paper/) 2022-08-09T05:00:36Z **Large Tip Driven Copter Turns Very Slowly**
![](https://hackaday.com/wp-content/uploads/2022/08/levitator-test-flight-2-07jeaaaj1va-mp4-shot0002_featured.png?w=800)

Picking propeller size for any aircraft, but especially VTOLs, it’s a tradeoff between size and RPM. You can either move a large volume of air slowly or a small volume […read more](https://hackaday.com/2022/08/08/large-tip-driven-copter-turns-very-slowly/) ⌘ [Read more](https://hackaday.com/2022/08/08/large-tip-driven-copter-turns-very-slowly/) 2022-08-09T08:00:15Z **Junkbox Build Keeps Tesla Coils Perfectly Varnished**
![](https://hackaday.com/wp-content/uploads/2022/08/1280x720-vtime4_33-take2022-08-08-14.42.03.png?w=800)

Admittedly, not a lot of people have a regular need to varnish coils. It’s mainly something that Tesla coil builders and other high-voltage experimenters are concerned with. But since that […read more](https://hackaday.com/2022/08/09/junkbox-build-keeps-tesla-coils-perfectly-varnished/) ⌘ [Read more](https://hackaday.com/2022/08/09/junkbox-build-keeps-tesla-coils-perfectly-varnished/) 2022-08-09T11:00:52Z **Open Source Wearables for Infants**
![Infant is wearing sensor vest as she is held by her mom. ECG, respiration, and accelerometry data is also showing.](https://hackaday.com/wp-content/uploads/2022/08/feature-try2-V1.webp?w=800)

We’ve seen plenty of hacks that analyze biometric signals as measures of athletic performance, but maybe not as many hacks that are trying to study behavior. Well, that’s exactly what […read more](https://hackaday.com/2022/08/09/open-source-wearables-for-infants/) ⌘ [Read more](https://hackaday.com/2022/08/09/open-source-wearables-for-infants/) 2022-08-09T14:00:52Z **AI Creates Your Spreadsheets, Sometimes**
![](https://hackaday.com/wp-content/uploads/2022/08/ExcelAI.jpg?w=800)

We’ve been interested in looking at how AI can process things other than silly images. That’s why the “Free AI Bot that Generates the Excel Formula for Any Problem” caught […read more](https://hackaday.com/2022/08/09/ai-creates-your-spreadsheets-sometimes/) ⌘ [Read more](https://hackaday.com/2022/08/09/ai-creates-your-spreadsheets-sometimes/) 2022-08-09T15:30:37Z **Mapping Out the LEDs on an Outlet Tester**
![](https://hackaday.com/wp-content/uploads/2022/08/ledtester_feat.jpg?w=800)

The concept of an outlet tester is pretty simple: plug the gadget into a suspect wall receptacle, and an array of LEDs light up in various patterns to alert the […read more](https://hackaday.com/2022/08/09/mapping-out-the-leds-on-an-outlet-tester/) ⌘ [Read more](https://hackaday.com/2022/08/09/mapping-out-the-leds-on-an-outlet-tester/) 2022-08-09T17:30:22Z **2022 Hackaday Prize: Congratulations to the Winners of the Hack it Back Challenge**
![](https://hackaday.com/wp-content/uploads/2022/08/hack_it_back_banner.png?w=800)

Wow! We knew that the Hack it Back Challenge round of the Hackaday Prize would bring out the clever repairers among you, but we’re still impressed to see the results! […read more](https://hackaday.com/2022/08/09/2022-hackaday-prize-congratulations-to-the-winners-of-the-hack-it-back-challenge/ ... ⌘ [Read more](https://hackaday.com/2022/08/09/2022-hackaday-prize-congratulations-to-the-winners-of-the-hack-it-back-challenge/) 2022-08-09T18:30:13Z **Up Your Desk Toy Game With This 3D Printed Escalator**
![](https://hackaday.com/wp-content/uploads/2022/08/3dpescalator_feat.jpg?w=800)

Let’s be real, nobody needs a tiny motorized escalator for their desk. But now that you’ve seen it, can you really say you don’t want one of your own? The design […read more](https://hackaday.com/2022/08/09/up-your-desk-toy-game-with-this-3d-printed-escalator/) ⌘ [Read more](https://hackaday.com/2022/08/09/up-your-desk-toy-game-with-this-3d-printed-escalator/) 2022-08-09T20:00:19Z **Student Competition Badge Bears Custom Silicon**
![Conference badge with the custom chip soldered-on on top left, the custom chip itself in a SOIC-16 package on the top right, two close-up die shots on the bottom](https://hackaday.com/wp-content/uploads/2022/08/hadimg_silicon_badge_feat.png?w=800)

[Daniel Valuch] shared a fun and record-setting conference badge story (Slovak, translated) with us. He was one of the organizers for the “ZENIT in electronics” event, which is an annual […read m ... ⌘ [Read more](https://hackaday.com/2022/08/09/student-competition-badge-bears-custom-silicon/) 2022-08-09T23:00:21Z **Smoking Meat Finds Natural Home In The Cloud**
![An opened plastic project box with electronics inside](https://hackaday.com/wp-content/uploads/2022/08/cloudSmoker_feature.jpg?w=800)

Did you know that backyard barbecues now come with WiFi? It should be no surprise, given the pervasiveness of cloud-enabled appliances throughout the home. However [Carl] wasn’t ready to part […read more](https://hackaday.com/2022/08/09/smoking-meat-finds-natural-home-in-the-cloud/) ⌘ [Read more](https://hackaday.com/2022/08/09/smoking-meat-finds-natural-home-in-the-cloud/) 2022-08-10T02:00:16Z **Scratching Out Business Intelligence**
![](https://hackaday.com/wp-content/uploads/2022/08/blocky_sql_demo.gif?w=800)

At Hackaday, we love things both from scratch and in Scratch, Scratch being the blocks building helpful language for teaching kids and the like how to program. However, when you […read more](https://hackaday.com/2022/08/09/scratching-out-business-intelligence/) ⌘ [Read more](https://hackaday.com/2022/08/09/scratching-out-business-intelligence/) 2022-08-10T05:00:58Z **Forget The UV Resist Mask: Expose Custom PCBs Directly On Your SLA Printer**
![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)

For the enterprising hobbyist and prototyping hardware developer, creating custom PCBs remains somewhat of a struggle. Although there are a number of approaches to go about this, they usually involve […read more](https://hackada ... ⌘ [Read more](https://hackaday.com/2022/08/09/forget-the-uv-resist-mask-expose-custom-pcbs-directly-on-your-sla-printer/) 2022-08-10T08:00:09Z **A Steam Box For Not A Lot**
![](https://hackaday.com/wp-content/uploads/2022/08/steam-box-featured.jpg?w=800)

If you have ever marveled at the complex wooden curves used by shipbuilders or some furniture makers, then you have probably at some point hankered after a steam box. This […read more](https://hackaday.com/2022/08/10/a-steam-box-for-not-a-lot/) ⌘ [Read more](https://hackaday.com/2022/08/10/a-steam-box-for-not-a-lot/) 2022-08-10T11:00:32Z **Should’ve Used a 555 — Or 276 of Them**
![](https://hackaday.com/wp-content/uploads/2022/08/1280x720-vtime0_15-take2022-08-09-20.11.46.png?w=800)

When asked to whip up a simple egg timer, most of us could probably come up with a quick design based on the ubiquitous 555 timer. Add a couple of […read more](https://hackaday.com/2022/08/10/shouldve-used-a-555-or-276-of-them/) ⌘ [Read more](https://hackaday.com/2022/08/10/shouldve-used-a-555-or-276-of-them/) 2022-08-10T14:00:26Z **Linux Fu: The Chrome OS Flex Virtualization**
![](https://hackaday.com/wp-content/uploads/2020/05/LinuxFu.jpg?w=800)

You’ve probably heard about Google Chromebooks. Like Android, Chrome OS is based on some variant of Linux, but it is targeted at the “cloud first” strategy so Chromebooks typically don’t […read more](https://hackaday.com/2022/08/10/linux-fu-the-chrome-os-flex-virtualization/) ⌘ [Read more](https://hackaday.com/2022/08/10/linux-fu-the-chrome-os-flex-virtualization/) 2022-08-10T15:30:27Z **Here’s the World’s Smallest Wood Plane…Probably**
![](https://hackaday.com/wp-content/uploads/2022/08/miniplane_feat.jpg?w=800)

Admittedly, we aren’t really in a position to confirm whether or not the miniature wood plane put together by [Daniel d’Entremont] is actually the smallest in the world, but we’re […read more](https://hackaday.com/2022/08/10/heres-the-worlds-smallest-wood-plane-probably/) ⌘ [Read more](https://hackaday.com/2022/08/10/heres-the-worlds-smallest-wood-plane-probably/) 2022-08-10T17:00:04Z **What Goes Into A Hacker Camp**
![](https://hackaday.com/wp-content/uploads/2022/08/Camp.jpg?w=800)

Long-time readers of Hackaday will know that we attend quite a few events, including summer hacker camps. Here in Europe this year there are two large events, the British Electromagnetic […read more](https://hackaday.com/2022/08/10/what-goes-into-a-hacker-camp/) ⌘ [Read more](https://hackaday.com/2022/08/10/what-goes-into-a-hacker-camp/) 2022-08-10T18:30:44Z **A Merciless Environmental Monitoring System**
![](https://hackaday.com/wp-content/uploads/2022/08/mingsensors_feat.jpg?w=800)

We’ve seen plenty of environmental monitoring setups here on Hackaday — wireless sensors dotted around the house, all uploading their temperature and humidity data to a central server hidden away […read more](https://hackaday.com/2022/08/10/a-merciless-environmental-monitoring-system/) ⌘ [Read more](https://hackaday.com/2022/08/10/a-merciless-environmental-monitoring-system/) 2022-08-10T20:00:52Z **From Product To Burnout To Open-Source: The Ergo S-1 Keyboard Story**
![The keyboard, fully assembled, with black 3D printed body.](https://hackaday.com/wp-content/uploads/2022/08/hadimg_keyboard_story_feat2.jpg?w=800)

[Andrew] from [Wizard Keyboards] emailed us and asked if we were interested in his story of developing an ergonomic keyboard as a product. Many of us can relate to trying […read more](https://hackaday.com/2022/08/10/from-product-to-burnout-to-open-source- ... ⌘ [Read more](https://hackaday.com/2022/08/10/from-product-to-burnout-to-open-source-the-ergo-s-1-keyboard-story/) 2022-08-10T23:00:45Z **A Fast Linear Actuator Entirely In One PCB**
![](https://hackaday.com/wp-content/uploads/2022/08/linear-actuator-featured.jpg?w=800)

There are many ways to make a linear actuator, a device for moving something is a straight line. Most of the easier to make ones use a conventional motor and […read more](https://hackaday.com/2022/08/10/a-linear-actuator-entirely-in-one-pcb/) ⌘ [Read more](https://hackaday.com/2022/08/10/a-linear-actuator-entirely-in-one-pcb/) 2022-08-11T02:00:59Z **Your MicroPython Board Can Be Your Tinkering Peripheral**
![screenshot from the video linked, showing example code that lights up an LED, and in a small window, also shows the LED lit up on a small Pi Pico board connected over USB](https://hackaday.com/wp-content/uploads/2022/08/hadimg_belay_feat.jpeg?w=800)

[Brian Pugh] has shared a cool new project that simultaneously runs on desktop Python and MicroPython – the Belay library. This library lets you control a MicroPython device s ... ⌘ [Read more](https://hackaday.com/2022/08/10/your-micropython-board-can-be-your-tinkering-peripheral/) 2022-08-11T05:00:17Z **A Deeper Dive Into Reverse Engineering with a CT Scanner**
![](https://hackaday.com/wp-content/uploads/2022/08/1280x720-vtime15_59-take2022-08-10-14.59.36.png?w=800)

We’ve recently got a look at how [Ken Shirriff] used an industrial CT scanner as a reverse engineering tool. The results were spectacular, with pictures that clearly showed the internal […read more](https://hackaday.com/2022/08/10/a-deeper-dive-into-reverse-engineering-with-a-ct-scanner/) ⌘ [Read more](https://hackaday.com/2022/08/10/a-deeper-dive-into-reverse-engineering-with-a-ct-scanner/) 2022-08-11T08:00:17Z **Loki is Part Cyberdeck, Part Sinclair Spectrum, and Pretty Tricky**
![](https://hackaday.com/wp-content/uploads/2022/08/20220519_184513.jpg?w=800)

You’ve got to watch out for Loki — he’s a trickster, after all, and he might make you think this semi-cyberdeck mash-up machine is named after him, when the backstory […read more](https://hackaday.com/2022/08/11/loki-is-part-cyberdeck-part-sinclair-spectrum-and-pretty-tricky/) ⌘ [Read more](https://hackaday.com/2022/08/11/loki-is-part-cyberdeck-part-sinclair-spectrum-and-pretty-tricky/) 2022-08-11T11:00:32Z **Building the Most High-Tech Pond in the Neighborhood**
![](https://hackaday.com/wp-content/uploads/2022/08/poseidon_feat.png?w=800)

What do you think of when you hear the word pond? If you’re like most people, the word conjures up images of a simple water-filled hole in the ground, maybe […read more](https://hackaday.com/2022/08/11/building-the-most-high-tech-pond-in-the-neighborhood/) ⌘ [Read more](https://hackaday.com/2022/08/11/building-the-most-high-tech-pond-in-the-neighborhood/) 2022-08-11T14:00:57Z **Microsoft’s New Simulator Helps Train Drone AIs**
![](https://hackaday.com/wp-content/uploads/2022/07/vlcsnap-2022-08-01-15h39m28s920.png?w=800)

Testing any kind of project in the real world is expensive. You have to haul people and equipment around, which costs money, and if you break anything, you have to […read more](https://hackaday.com/2022/08/11/microsofts-new-simulator-helps-train-drone-ais/) ⌘ [Read more](https://hackaday.com/2022/08/11/microsofts-new-simulator-helps-train-drone-ais/) 2022-08-11T15:30:53Z **Haptic Baby Monitor Gets the Wearer’s Attention**
![](https://hackaday.com/wp-content/uploads/2022/08/hapticmonitor_feat.jpg?w=800)

Anyone who’s ever slept through a morning’s alarm can tell you that sounds, even loud piercing ones, don’t always wake a person out of a deep sleep. Similarly, hearing a […read more](https://hackaday.com/2022/08/11/haptic-baby-monitor-gets-the-wearers-attention/) ⌘ [Read more](https://hackaday.com/2022/08/11/haptic-baby-monitor-gets-the-wearers-attention/) 2022-08-11T18:30:25Z **Want To Use a Classic Mac Mouse On a Modern Computer? No? Here’s How To Do It Anyway**
![](https://hackaday.com/wp-content/uploads/2022/08/Macintosh-mouse-via-Arduino-adapter-0-6-screenshot.png?w=800)

Need to hook a classic Mac mouse up to your modern machine with the help of a DIY USB adapter? [John Floren] has you covered. [John]’s solution uses a board […read more](https://hackaday.com/2022/08/11/want-to-use-a-classic-mac-mouse-on-a-modern-computer-no- ... ⌘ [Read more](https://hackaday.com/2022/08/11/want-to-use-a-classic-mac-mouse-on-a-modern-computer-no-heres-how-to-do-it-anyway/) 2022-08-11T20:00:49Z **Presence-Detecting Cushion Keeps You from Sitting Your Life Away**
![](https://hackaday.com/wp-content/uploads/2022/08/1280x720-vtime3_54-take2022-08-11-09.04.24.png?w=800)

They say that sitting is the new smoking. They’re wrong — smoking is much, much worse, for you than sitting, and smoking only while standing or while jogging around the […read more](https://hackaday.com/2022/08/11/presence-detecting-cushion-keeps-you-from-sitting-your-life-away/) ⌘ [Read more](https://hackaday.com/2022/08/11/presence-detecting-cushion-keeps-you-from-sitting-your-life-away/) 2022-08-11T23:00:26Z **Back Up Encrypted ZFS Data Without Decrypting It, Even If TrueNAS Doesn’t Approve**
![](https://hackaday.com/wp-content/uploads/2020/06/EndEncryption.jpg?w=800)

[Michael Lynch] recently replaced his Synology NAS with a self-built solution built on ZFS, a filesystem with a neat feature: the ability to back up encrypted data without having to […read more](https://hackaday.com/2022/08/11/back-up-encrypted-zfs-data-without-decrypting-it-even-if-truenas-doesnt-a ... ⌘ [Read more](https://hackaday.com/2022/08/11/back-up-encrypted-zfs-data-without-decrypting-it-even-if-truenas-doesnt-approve/) 2022-08-12T02:00:44Z **Hack Your Engine Virtually**
![](https://hackaday.com/wp-content/uploads/2022/08/engine.png?w=800)

It is no secret that we like simulating circuits before we build something and there are plenty of great tools for that. But what about those of us who work […read more](https://hackaday.com/2022/08/11/hack-your-engine-virtually/) ⌘ [Read more](https://hackaday.com/2022/08/11/hack-your-engine-virtually/) 2022-08-12T05:00:44Z **A Portable Computer Living In 1988 But Also In The Future**
![a full gaming rig built into a LCD-386](https://hackaday.com/wp-content/uploads/2022/08/sleeper-LCD-386.webp?w=800)

Every once in a while, there will be a project that is light on details but inundated with glorious, drool-worthy pictures. [Nexaner7] recently showed off his cyberdeck he built over […read more](https://hackaday.com/2022/08/11/a-portable-computer-living-in-1988-but-also-in-the-future/) ⌘ [Read more](https://hackaday.com/2022/08/11/a-portable-computer-living-in-1988-but-also-in-the-future/) 2022-08-12T08:00:00Z **TVout Library Brings Cardboard Arcade to Life**
![](https://hackaday.com/wp-content/uploads/2022/08/image02-V1-e1660278392216.jpeg?w=800)

Recycling old CRTs is a true Hackaday tradition, and [Rob’s] mini arcade is sure to grab your attention. First of all, you’ll probably appreciate [Rob] circumventing the supply shortage by […read more](https://hackaday.com/2022/08/12/tvout-library-brings-cardboard-arcade-to-life/) ⌘ [Read more](https://hackaday.com/2022/08/12/tvout-library-brings-cardboard-arcade-to-life/) 2022-08-12T11:00:00Z **Young Inventor Builds Motor Without Rare Earths**
![](https://hackaday.com/wp-content/uploads/2022/08/motor.png?w=800)

[Robert Sansone] is a 17-year-old from Florida and, like most of us, he likes to tinker. He’s apparently got the time for it because he’s completed at least 60 projects […read more](https://hackaday.com/2022/08/12/young-inventor-builds-motor-without-rare-earths/) ⌘ [Read more](https://hackaday.com/2022/08/12/young-inventor-builds-motor-without-rare-earths/) 2022-08-12T14:00:37Z **This Week in Security: Breaches, ÆPIC, SQUIP, and Symbols**
![](https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800)

So you may have gotten a Slack password reset prompt. Something like half a percent of Slack’s userbase had their password hash potentially exposed due to an odd bug. When […read more](https://hackaday.com/2022/08/12/this-week-in-security-breaches-aepic-squip-and-symbols/) ⌘ [Read more](https://hackaday.com/2022/08/12/this-week-in-security-breaches-aepic-squip-and-symbols/) 2022-08-12T15:00:00Z **Remove a Speaker’s Voice From a Recording Using Ultrasound**
![](https://hackaday.com/wp-content/uploads/2022/08/voice_stream_flow_of_NEC_guo_et_al_2022.png?w=739)

What if you could effectively prevent someone from recording your voice? This is the focus of a study by Guo et al. (2022) at Michigan State University, in which they […read more](https://hackaday.com/2022/08/12/remove-a-speakers-voice-from-a-recording-using-ultrasound/) ⌘ [Read more](https://hackaday.com/2022/08/12/remove-a-speakers-voice-from-a-recording-using-ultrasound/) 2022-08-12T16:00:20Z **Hackaday Podcast 181: 3D Printing with Volcano Nuts, The Hackaday Bookshelf, and a Puzzlebot**
![](https://hackaday.com/wp-content/uploads/2016/05/microphone.jpg?w=800)

This week, Editor-in-Chief Elliot Williams and Assignments Editor Kristina Panos convened in a secret location to say what we will about the choicest hacks of the past week. We kick […read more](https://hackaday.com/2022/08/12/hackaday-podcast-181-3d-printing-with-volcano-nuts-the- ... ⌘ [Read more](https://hackaday.com/2022/08/12/hackaday-podcast-181-3d-printing-with-volcano-nuts-the-hackaday-bookshelf-and-a-puzzlebot/) 2022-08-12T17:00:30Z **Cyberdeck Builders Talk Shop in Roundtable Chat**
![](https://hackaday.com/wp-content/uploads/2022/08/cyberdeck_banner.png?w=800)

In honor of our recently announced 2022 Cyberdeck Contest, we decided to do things a little differently for this week’s Hack Chat. Rather than pick just one host, we looked […read more](https://hackaday.com/2022/08/12/cyberdeck-builders-talk-shop-in-roundtable-chat/) ⌘ [Read more](https://hackaday.com/2022/08/12/cyberdeck-builders-talk-shop-in-roundtable-chat/) 2022-08-12T18:30:17Z **Hackaday Prize 2022: Solar Power Through Pyrolysis**
![](https://hackaday.com/wp-content/uploads/2022/08/solar-pyrolysis-featured.jpg?w=800)

We’re all familiar with solar cells, be they photovoltaic, or for heating water. But they are only the more common ways of converting the sun’s energey into usable power, and […read more](https://hackaday.com/2022/08/12/hackaday-prize-2022-solar-power-through-pyrolysis/) ⌘ [Read more](https://hackaday.com/2022/08/12/hackaday-prize-2022-solar-power-through-pyrolysis/) 2022-08-12T20:00:03Z **Homebrew Biped Bot Shows Off Some Impressive Moves**
![](https://hackaday.com/wp-content/uploads/2022/08/upkie_feat.jpg?w=800)

We’ve seen enough DIY robotic platforms here on Hackaday to know that most of them take the literal and figurative path of least resistance. That is, they tend to be […read more](https://hackaday.com/2022/08/12/homebrew-biped-bot-shows-off-some-impressive-moves/) ⌘ [Read more](https://hackaday.com/2022/08/12/homebrew-biped-bot-shows-off-some-impressive-moves/) 2022-08-12T23:00:31Z **Local Simulation Feature To Be Removed From All Autodesk Fusion 360 Versions**
![Fusion 360 Logo](https://hackaday.com/wp-content/uploads/2022/08/Fusion360_Logo.jpg?w=800)

The removal of features from Autodesk products would appear to be turning into something of a routine at this point, with the announced removal of local simulations the latest in […read more](https://hackaday.com/2022/08/12/local-simulation-feature-to-be-removed-from-all-autodesk-fusion-360- ... ⌘ [Read more](https://hackaday.com/2022/08/12/local-simulation-feature-to-be-removed-from-all-autodesk-fusion-360-versions/) 2022-08-13T02:00:53Z **Svelte VR Headsets Coming?**
![](https://hackaday.com/wp-content/uploads/2022/08/vr.png?w=800)

According to Standford and NVidia researchers, VR adoption is slowed by the bulky headsets required. They want to offer a slim solution. A SIGGRAPH paper earlier this year lays out […read more](https://hackaday.com/2022/08/12/svelte-vr-headsets-coming/) ⌘ [Read more](https://hackaday.com/2022/08/12/svelte-vr-headsets-coming/) 2022-08-13T05:00:11Z **Swarm vs. Iridium: Which Satellite IoT Service is Right for You?**
![](https://hackaday.com/wp-content/uploads/2022/08/swarm_eval_kit.jpg?w=800)

In a world where it seems like everyone’s face is glued to a device screen, the idea that wireless service might be anything other than universal seems just plain silly. […read more](https://hackaday.com/2022/08/12/swarm-vs-iridium-which-satellite-iot-service-is-right-for-you/) ⌘ [Read more](https://hackaday.com/2022/08/12/swarm-vs-iridium-which-satellite-iot-service-is-right-for-you/) 2022-08-13T08:00:49Z **The Chip Shortage Leads To The Strangest Things**
![](https://hackaday.com/wp-content/uploads/2022/08/mix-bom-featured.jpg?w=800)

The global chip shortage has not made the life of the electronic design engineer an easy one, as products have been designed around whatever parts are available rather than the […read more](https://hackaday.com/2022/08/13/the-chip-shortage-leads-to-the-strangest-things/) ⌘ [Read more](https://hackaday.com/2022/08/13/the-chip-shortage-leads-to-the-strangest-things/) 2022-08-13T11:00:34Z **Air Filter DRM? Hacker Opts Out With NFC Sticker**
![](https://hackaday.com/wp-content/uploads/2022/08/filter-mod-wide.png?w=800)

[Flamingo-tech]’s Xiaomi air purifier has a neat safety feature: it will refuse to run if a filter needs replacement. Of course, by “neat” we mean “annoying”. Especially when the purifier […read more](https://hackaday.com/2022/08/13/air-filter-drm-hacker-opts-out-with-nfc-sticker/) ⌘ [Read more](https://hackaday.com/2022/08/13/air-filter-drm-hacker-opts-out-with-nfc-sticker/) 2022-08-13T14:00:31Z **How Do You Build a Tradition?**
![](https://hackaday.com/wp-content/uploads/2018/01/robotpattern.jpg?w=800)

I was struck by reading our writeup of the Zenit in Electronics contest – an annual event in the Slovak Republic – that it’s kind of like a decathlon for […read more](https://hackaday.com/2022/08/13/how-do-you-build-a-tradition/) ⌘ [Read more](https://hackaday.com/2022/08/13/how-do-you-build-a-tradition/) 2022-08-13T17:00:52Z **An Amstrad NC100 Has a New Purpose In Life**
![](https://hackaday.com/wp-content/uploads/2022/08/amstrad-cyberdeck-featured.jpg?w=800)

We’re used to laptop computers featuring flip-up screens; this article is being written on one and it’s probable you’re reading it on another one. But there’s another laptop form factor […read more](https://hackaday.com/2022/08/13/an-amstrad-nc100-has-a-new-purpose-in-life/) ⌘ [Read more](https://hackaday.com/2022/08/13/an-amstrad-nc100-has-a-new-purpose-in-life/) 2022-08-13T20:00:33Z **The 286 Gives Up One Of Its Final Secrets**
![](https://hackaday.com/wp-content/uploads/2022/08/80286-featured.jpg?w=800)

Though it is largely forgotten today, the Intel 80286 was for a while in the 1980s the processor of choice and designated successor to the 8086 in the world of […read more](https://hackaday.com/2022/08/13/the-286-gives-up-one-of-its-final-secrets/) ⌘ [Read more](https://hackaday.com/2022/08/13/the-286-gives-up-one-of-its-final-secrets/) 2022-08-13T23:00:50Z **Testing a Laser Cut Wrench VS a Forged Wrench**
![](https://hackaday.com/wp-content/uploads/2022/08/wrench.png?w=800)

It is easy to not think much about common tools like screwdrivers and wrenches. But not for [Torque Test Channel]. The channel does a lot of testing of tools and […read more](https://hackaday.com/2022/08/13/testing-a-laser-cut-wrench-vs-a-forged-wrench/) ⌘ [Read more](https://hackaday.com/2022/08/13/testing-a-laser-cut-wrench-vs-a-forged-wrench/) 2022-08-14T02:00:57Z **Remember DAB Radio? The Psion WaveFinder Gets A Teardown**
![](https://hackaday.com/wp-content/uploads/2022/08/psion-wavefinder-featured.jpg?w=800)

With digital music making a clean sweep in the 1990s over almost all listening media, it’s a surprise to find that there’s one area in which an analog hold-out is […read more](https://hackaday.com/2022/08/13/remember-dab-radio-the-psion-wavefinder-gets-a-teardown/) ⌘ [Read more](https://hackaday.com/2022/08/13/remember-dab-radio-the-psion-wavefinder-gets-a-teardown/) 2022-08-14T08:00:12Z **Just How Good is a Tape Measure Antenna Anyway?**
![](https://hackaday.com/wp-content/uploads/2022/08/Screenshot-2022-08-13-at-17-59-49-Measure-Tape-Antenna-efficiency.png?w=800)

Amateur radio operators have played a longstanding game of “Will It Antenna?” If there’s something even marginally conductive and remotely resonant, a ham has probably tried to make an antenna […read more](https://hackaday.com/2022/08/14/just-how-good-is-a-tape-measure-antenna-anyway/) ⌘ [Read more](https://hackaday.com/2022/08/14/just-how-good-is-a-tape-measure-antenna-anyway/) 2022-08-14T11:00:06Z **Hoverboard Go-Kart Build Is A Delight To Watch**
![Mahmut's kid in a helmet, riding the go-kart outside on pavement](https://hackaday.com/wp-content/uploads/2022/08/hadimg_hoverboard_gokart_feat.jpeg?w=800)

Hoverboards have been an indispensable material for hackers building their own vehicles in the last few years. [Mahmut Demir] shows how he’s built a hoverboard-powered go-kart for his son. Unable […read more](https://hackaday.com/2022/08/14/hoverboard-go-kart-build-is-a-delight-to-watch ... ⌘ [Read more](https://hackaday.com/2022/08/14/hoverboard-go-kart-build-is-a-delight-to-watch/) 2022-08-14T14:00:20Z **This Snake Has Legs**
![](https://hackaday.com/wp-content/uploads/2022/08/snek.png?w=800)

[Allen Pan] loves snakes. He loves them so much that he’s decided to play god, throwing away millions of years of evolution — just to give snakes back the legs […read more](https://hackaday.com/2022/08/14/this-snake-has-legs/) ⌘ [Read more](https://hackaday.com/2022/08/14/this-snake-has-legs/) 2022-08-14T17:00:13Z **Hackaday Prize 2022: Solar-Harvesting ESP32 Camera Is Waterproof, Repeatable**
![The project's hardware, including the ESP32 camera module, stuffed into the GoPro-intended waterproof shell. The camera portion of the ESP32 module sticks out exactly where the GoPro's camera would be. To the left, a hacked ESP32-CAM module is shown.](https://hackaday.com/wp-content/uploads/2022/08/hadimg_waterproof_esp32cam_feat.jpg?w=800)

[alberto nunez] shows off his sleek build ... ⌘ [Read more](https://hackaday.com/2022/08/14/hackaday-prize-2022-solar-harvesting-esp32-camera-is-waterproof-repeatable/) 2022-08-14T20:00:27Z **Starlink Ground Stations Successfully Hacked**
![](https://hackaday.com/wp-content/uploads/2022/08/cropped_shot_2022-08-14-191334_featured.png?w=800)

Belgian security researcher [Lennert Wouters] has gotten his own code running on the Starlink “Dishy McFlatface” satellite terminals, and you can too! The hack in question is a “modchip” with […read more](https://hackaday.com/2022/08/14/starlink-ground-stations-successfully-hacked/) ⌘ [Read more](https://hackaday.com/2022/08/14/starlink-ground-stations-successfully-hacked/) 2022-08-14T23:00:14Z **Hackaday Links: August 14, 2022**
![Hackaday Links Column Banner](https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800)

What’s this? News about robot dogs comes out, and there’s no video of the bots busting a move on the dance floor? Nope — it looks like quadruped robots are […read more](https://hackaday.com/2022/08/14/hackaday-links-august-14-2022/) ⌘ [Read more](https://hackaday.com/2022/08/14/hackaday-links-august-14-2022/) 2022-08-15T02:00:48Z **What’s That Scope Trace Saying? UPD and Wireshark**
![](https://hackaday.com/wp-content/uploads/2022/08/phy.png?w=800)

[Matt Keeter], like many of us, has a lot of network-connected devices and an oscilloscope. He decided he wanted to look into what was on the network. While most of us […read more](https://hackaday.com/2022/08/14/whats-that-scope-trace-saying-upd-and-wireshark/) ⌘ [Read more](https://hackaday.com/2022/08/14/whats-that-scope-trace-saying-upd-and-wireshark/) 2022-08-15T05:00:18Z **A Simple Streaming Radio Receiver**
![](https://hackaday.com/wp-content/uploads/2022/08/mini-radio-featured.jpg?w=800)

For those interested in a career in broadcast radio there aren’t many routes into the business. Student radio, pirate radio, and hospital radio usually feature somewhere near the start of […read more](https://hackaday.com/2022/08/14/a-simple-streaming-radio-receiver/) ⌘ [Read more](https://hackaday.com/2022/08/14/a-simple-streaming-radio-receiver/) 2022-08-15T08:00:17Z **Mac Mini Mini**
![](https://hackaday.com/wp-content/uploads/2022/08/We-made-the-Mac-mini-ACTUALLY-mini.png?w=800)

The Mac Mini has been roughly the same size and shape for 12 years, as the current design was released in June 2010. However, despite being the same general form […read more](https://hackaday.com/2022/08/15/mac-mini-mini/) ⌘ [Read more](https://hackaday.com/2022/08/15/mac-mini-mini/) 2022-08-15T11:00:42Z **DIY LED Bulb Lacks Correct Lugs, So M3 Bolts To The Rescue**
![](https://hackaday.com/wp-content/uploads/2022/08/finished.jpg?w=800)

[Damo] has an interesting LED bulb project with a neat twist: he converted some outdoor lighting to 12 V LED lighting with some self-designed bulb replacements and decided to reuse the […read more](https://hackaday.com/2022/08/15/diy-led-bulb-lacks-correct-lugs-so-m3-bolts-to-the-rescue/) ⌘ [Read more](https://hackaday.com/2022/08/15/diy-led-bulb-lacks-correct-lugs-so-m3-bolts-to-the-rescue/) 2022-08-15T14:00:48Z **Sputtering Daugerotypes, Batman!**
![](https://hackaday.com/wp-content/uploads/2022/08/7832201660538857218_featured.png?w=800)

The Daguerreotype was among the earliest photographic processes, long before glass plates or film, that relied on sensitizing a thin layer of silver on top of a copper plate. The […read more](https://hackaday.com/2022/08/15/sputtering-daugerotypes-batman/) ⌘ [Read more](https://hackaday.com/2022/08/15/sputtering-daugerotypes-batman/) 2022-08-15T16:00:44Z **Steam Power Hack Chat**
![](https://hackaday.com/wp-content/uploads/2022/08/AdobeStock_290866540.jpeg?w=800)

Join us on Wednesday, August 17 at noon Pacific for the Steam Power Hack Chat with Quinn Dunki! The steam power age may be behind us now, but that doesn’t […read more](https://hackaday.com/2022/08/15/steam-power-hack-chat/) ⌘ [Read more](https://hackaday.com/2022/08/15/steam-power-hack-chat/) 2022-08-15T17:40:44Z **2022 Hackaday Supercon Tickets on Sale Now**
![](https://hackaday.com/wp-content/uploads/2022/08/Aug_18_Supercon2022EventbritePageBanner.png?w=800)

Supercon Tickets go on sale right now! And the true-believer tickets usually sell out fast, so if you’re as excited about the thought of a real-life Supercon as we are, […read more](https://hackaday.com/2022/08/15/2022-hackaday-supercon-tickets-on-sale-now/) ⌘ [Read more](https://hackaday.com/2022/08/15/2022-hackaday-supercon-tickets-on-sale-now/) 2022-08-15T18:30:24Z **Get Your Raspberry Pi Jamming With MuPiBox**
![](https://hackaday.com/wp-content/uploads/2022/08/mupibox_feat.jpg?w=800)

Over the years we’ve seen a lot of Raspberry Pi boards pushed into service as media players. In fact, second to emulating old game consoles, that’s probably the Pi’s most […read more](https://hackaday.com/2022/08/15/get-your-raspberry-pi-jamming-with-mupibox/) ⌘ [Read more](https://hackaday.com/2022/08/15/get-your-raspberry-pi-jamming-with-mupibox/) 2022-08-15T20:00:03Z **DIY Gaming Mouse Beats the Competition, Costs Less**
![](https://hackaday.com/wp-content/uploads/2022/08/diymouse_feat.jpg?w=800)

We’ve seen plenty of custom keyboards here on Hackaday. Seriously, like more than we can count. But custom mice? Those are far more elusive. Though we wouldn’t be surprised to […read more](https://hackaday.com/2022/08/15/diy-gaming-mouse-beats-the-competition-costs-less/) ⌘ [Read more](https://hackaday.com/2022/08/15/diy-gaming-mouse-beats-the-competition-costs-less/) 2022-08-15T23:00:11Z **Fytó Is Fido for Phytophiles**
![](https://hackaday.com/wp-content/uploads/2022/08/fyto-smart-planter-800.jpeg?w=800)

On the surface, most plants really aren’t all that exciting, save for maybe the Venus flytrap. Sure, you can watch them grow in the long run, but for the most […read more](https://hackaday.com/2022/08/15/fyto-is-fido-for-phytophiles/) ⌘ [Read more](https://hackaday.com/2022/08/15/fyto-is-fido-for-phytophiles/) 2022-08-16T02:00:01Z **Getting To The TrackPoint Quicker**
![](https://hackaday.com/wp-content/uploads/2022/08/top-side-view.jpg?w=800)

Love it or hate it, TrackPoint can be a powerful tool. Love it or hate it, the idea of moving the mouse without removing your hands from the keys has […read more](https://hackaday.com/2022/08/15/getting-to-the-trackpoint-quicker/) ⌘ [Read more](https://hackaday.com/2022/08/15/getting-to-the-trackpoint-quicker/) 2022-08-16T05:00:26Z **(Re)designing The LumenPnP Tape Feeder**
![](https://hackaday.com/wp-content/uploads/2022/08/Snap-2022-08-15-at-22.30.37-featured.png?w=800)

Many of the hardware orientated hackers among us will likely have been following along with the story of [Stephen Hawes] and the Lumen pick-and-place project but kind of waiting a […read more](https://hackaday.com/2022/08/15/redesigning-the-lumenpnp-tape-feeder/) ⌘ [Read more](https://hackaday.com/2022/08/15/redesigning-the-lumenpnp-tape-feeder/) 2022-08-16T08:00:26Z **Recreating DOOM on a Homebrew 8-Bit CPU**
![](https://hackaday.com/wp-content/uploads/2022/08/Will-it-Run-Doom_-Making-an-8-Bit-pipelined-CPU-3-25-screenshot.png?w=800)

[James Sharman] has been working away on a 8-bit CPU of his own design. Naturally, with his computing device largely functional, the obvious question was asked: can it run DOOM? […read more](https://hackaday.com/2022/08/16/recreating-doom-on-a-homebrew-8-bit-cpu/) ⌘ [Read more](https://hackaday.com/2022/08/16/recreating-doom-on-a-homebrew-8-bit-cpu/) 2022-08-16T11:00:25Z **Discreet CO2 Monitor Hides Elegant Internal Layout**
![](https://hackaday.com/wp-content/uploads/2022/08/co2buddy_feat.jpg?w=800)

Outwardly, this sleek CO2 monitor designed by [Daniel Gernert] might look like something cooked up in Amazon’s consumer electronics division. But open up that 3D printed case, and you’ll find […read more](https://hackaday.com/2022/08/16/discreet-co2-monitor-hides-elegant-internal-layout/) ⌘ [Read more](https://hackaday.com/2022/08/16/discreet-co2-monitor-hides-elegant-internal-layout/) 2022-08-16T14:00:22Z **Why Do Brits Drink Warm Beer?**
![](https://hackaday.com/wp-content/uploads/2022/08/ale-lager-featured.jpg?w=800)

Traveling through mainland Europe on a British passport leads you to several predictable conversations. There’s Marmite of course, then all the fun of the Brexit fair, and finally on a […read more](https://hackaday.com/2022/08/16/why-do-brits-drink-warm-beer/) ⌘ [Read more](https://hackaday.com/2022/08/16/why-do-brits-drink-warm-beer/) 2022-08-16T15:30:00Z **This Simple Media Player Will Inspire Beginners and Invite Experimentation**
![](https://hackaday.com/wp-content/uploads/2022/08/1280x720-vtime0_00-take2022-08-15-17.18.10.png?w=800)

While it would have been considered science-fiction just a few decades ago, the ability to watch virtually any movie or TV show on a little slab that fits in your […read more](https://hackaday.com/2022/08/16/this-simple-media-player-will-inspire-beginners-and-invite-experimentation/ ... ⌘ [Read more](https://hackaday.com/2022/08/16/this-simple-media-player-will-inspire-beginners-and-invite-experimentation/) 2022-08-16T17:00:35Z **Ask Hackaday: How Can You Store Energy At Home?**
![](https://hackaday.com/wp-content/uploads/2021/04/solar-panel-roof-installation-featured.jpg?w=800)

Amidst the discussions about grid-level energy storage solutions, it is often easy to forget that energy storage can be done on the level of a single house or building as […read more](https://hackaday.com/2022/08/16/ask-hackaday-how-can-you-store-energy-at-home/) ⌘ [Read more](https://hackaday.com/2022/08/16/ask-hackaday-how-can-you-store-energy-at-home/) 2022-08-16T18:30:52Z **2022 Hackaday Prize: Talking Clock Built With Old-School Gear**
![](https://hackaday.com/wp-content/uploads/2022/08/9508411658592530037-e1660632695914.jpg?w=800)

Any smartphone or laptop could be a talking clock if you wished it so. However, we think this build from [Marek Więcek] is more fun, which uses discrete vintage chips […read more](https://hackaday.com/2022/08/16/2022-hackaday-prize-talking-clock-built-with-old-school-gear/) ⌘ [Read more](https://hackaday.com/2022/08/16/2022-hackaday-prize-talking-clock-built-with-old-school-gear/) 2022-08-16T20:00:39Z **Revamping The Camping Trailer With More Power**
![](https://hackaday.com/wp-content/uploads/2022/08/I-Made-My-Bike-Camper-Electric-100-KM-Range-No-Pedaling-28-0-screenshot.png?w=800)

Pulling a trailer behind your bike has an aspect of freedom and exploration to it. However, the reality is that pulling a large, heavy box behind your bike is incredibly […read more](https://hackaday.com/2022/08/16/revamping-the-camping-trailer-with-more-power/) ⌘ [Read more](https://hackaday.com/2022/08/16/revamping-the-camping-trailer-with-more-power/) 2022-08-16T23:00:27Z **Halloween Mirror Offers A Mighty Fright**
![](https://hackaday.com/wp-content/uploads/2022/08/Halloween-mirror-scary-two-way-mirror-prank-0-6-screenshot.png?w=800)

Jump scares are controversial in the horror world, whether you’re talking about movies or video games. You can bring that same irritating thrill into real life, too, with this Halloween […read more](https://hackaday.com/2022/08/16/halloween-mirror-offers-a-mighty-fright/) ⌘ [Read more](https://hackaday.com/2022/08/16/halloween-mirror-offers-a-mighty-fright/) 2022-08-17T02:00:18Z **SquareBoi is the DIY Game Boy Cart You’ve Always Wanted**
![](https://hackaday.com/wp-content/uploads/2022/08/5056051659120439592-e1660634983504.png?w=800)

Running unofficial code on a Nintendo Game Boy has long been a solved problem. However, you still need a way to get that code onto the handheld console. The Squareboi […read more](https://hackaday.com/2022/08/16/squareboi-is-the-diy-game-boy-cart-youve-always-wanted/) ⌘ [Read more](https://hackaday.com/2022/08/16/squareboi-is-the-diy-game-boy-cart-youve-always-wanted/) 2022-08-17T05:00:18Z **USB-C Charging Mod Brings In The Juice**
![](https://hackaday.com/wp-content/uploads/2022/08/usbc-fix-featured.jpg?w=800)

By now we’re well under way with the consolidation of low-voltage power supplies under the USB-C standard, and the small reversible connector has become the de facto way to squirt […read more](https://hackaday.com/2022/08/16/usb-c-charging-mod-brings-in-the-juice/) ⌘ [Read more](https://hackaday.com/2022/08/16/usb-c-charging-mod-brings-in-the-juice/) 2022-08-17T08:00:19Z **Motorized Camera Mount Was Once a 3D Printer**
![](https://hackaday.com/wp-content/uploads/2022/08/dslr-slider.jpg?w=800)

If you plan on building your own motorized camera mount, a 3D printer can definitely be of help. But in this case, [dslrdiy] didn’t use it for printing out parts […read more](https://hackaday.com/2022/08/17/motorized-camera-mount-was-once-a-3d-printer/) ⌘ [Read more](https://hackaday.com/2022/08/17/motorized-camera-mount-was-once-a-3d-printer/) 2022-08-17T11:00:43Z **Did You See a John Deere Tractor Cracked at DEF CON?**
![](https://hackaday.com/wp-content/uploads/2022/08/john-deere-hack-featured.jpg?w=800)

The Internet, or at least our corner of it,  has been abuzz over the last few days with the news of a DEF CON talk by [Sick.Codes] in which he […read more](https://hackaday.com/2022/08/17/did-you-see-a-john-deere-tractor-cracked-at-def-con/) ⌘ [Read more](https://hackaday.com/2022/08/17/did-you-see-a-john-deere-tractor-cracked-at-def-con/) 2022-08-17T14:00:49Z **Coils In The Road Could Charge EVs While Driving**
![](https://hackaday.com/wp-content/uploads/2022/08/gumi-olev-bus1_featured.png?w=800)

One of the primary issues with EVs is that you need to pull over and stop to get a charge. If there isn’t a high-speed DC charger available, this can […read more](https://hackaday.com/2022/08/17/coils-in-the-road-could-charge-evs-while-driving/) ⌘ [Read more](https://hackaday.com/2022/08/17/coils-in-the-road-could-charge-evs-while-driving/) 2022-08-17T15:00:00Z **Back to the Future Prop Can Tell When it Hits 88 MPH**
![](https://hackaday.com/wp-content/uploads/2022/08/bttftx_feat.jpg?w=800)

Obviously, the most iconic piece of fictional hardware from the Back to the Future films is Doc Brown’s DeLorean DMC-12 time machine. But we’d have to agree with [Jason Altice] […read more](https://hackaday.com/2022/08/17/back-to-the-future-prop-can-tell-when-it-hits-88-mph/) ⌘ [Read more](https://hackaday.com/2022/08/17/back-to-the-future-prop-can-tell-when-it-hits-88-mph/) 2022-08-17T16:00:01Z **We’re Hiring: Come Join Us!**
![](https://hackaday.com/wp-content/uploads/2014/11/2014-11-21_had_help_wanted_744.png?w=744)

You wake up in the morning, and check Hackaday over breakfast. Then it’s off to work or school, where you’ve already had to explain the Jolly Wrencher to your shoulder-surfing […read more](https://hackaday.com/2022/08/17/were-hiring-come-join-us-6/) ⌘ [Read more](https://hackaday.com/2022/08/17/were-hiring-come-join-us-6/) 2022-08-17T17:00:26Z **Chips Remembered: The Scenix/Ubicom/Parallax SX**
![](https://hackaday.com/wp-content/uploads/2022/08/sx1.png?w=800)

If you are a bibliophile, going to a used bookstore is a distinctly pleasant experience. Sure, you might discover an old book that you want to read. But at least […read more](https://hackaday.com/2022/08/17/chips-remembered-the-scenix-ubicom-parallax-sx/) ⌘ [Read more](https://hackaday.com/2022/08/17/chips-remembered-the-scenix-ubicom-parallax-sx/) 2022-08-17T20:00:15Z **RollBack Breaks Into Your Car**
![](https://hackaday.com/wp-content/uploads/2022/08/rollback.png?w=800)

Rolling codes change the signal sent by car keyfobs unpredictably on every use, rendering them safe from replay attacks, and we can all sleep well at night. A research team […read more](https://hackaday.com/2022/08/17/rollback-breaks-into-your-car/) ⌘ [Read more](https://hackaday.com/2022/08/17/rollback-breaks-into-your-car/) 2022-08-17T23:00:49Z **PrusaSlicer Now Imports STEP Files, Here’s Why That’s a Big Deal**
![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)

PrusaSlicer has a new feature: the ability to import a CAD model for 3D printing. Starting in version 2.5.0-beta1, PrusaSlicer can import STEP format 3D models. An imported STEP file is […read more](https://hackaday.com/2022/08/17/prusaslicer-now-imp ... ⌘ [Read more](https://hackaday.com/2022/08/17/prusaslicer-now-imports-step-files-heres-why-thats-a-big-deal/) 2022-08-18T02:00:43Z **An eMMC Gives Up Its Secrets**
![](https://hackaday.com/wp-content/uploads/2022/08/emmc-cm4-featured.jpg?w=800)

An increasing phenomenon over the years since mobile phones morphed from simply telephones into general purpose pocket computers has been that of the dead device taking with it some treasured […read more](https://hackaday.com/2022/08/17/an-emmc-gives-up-its-secrets/) ⌘ [Read more](https://hackaday.com/2022/08/17/an-emmc-gives-up-its-secrets/) 2022-08-18T05:00:51Z **Circuit-less PCB Featured as Faceplate for a Digital Clock**
![](https://hackaday.com/wp-content/uploads/2022/08/1280x720-vtime9_05-take2022-08-17-21.15.52.png?w=800)

If there’s no circuitry on a printed circuit board, does it cease being a “PCB” and perhaps instead become just a “PB”? Call them what you will, the fact that […read more](https://hackaday.com/2022/08/17/circuit-less-pcb-featured-as-faceplate-for-a-digital-clock/) ⌘ [Read more](https://hackaday.com/2022/08/17/circuit-less-pcb-featured-as-faceplate-for-a-digital-clock/) 2022-08-18T08:00:02Z **A Particularly Polished ATX Bench Power Supply**
![](https://hackaday.com/wp-content/uploads/2022/08/atxpsu_feat.jpg?w=800)

Let’s be real, yanking the ATX power supply out of an old desktop computer and turning it into something you can use on the workbench isn’t exactly an advanced project. […read more](https://hackaday.com/2022/08/18/a-particularly-polished-atx-bench-power-supply/) ⌘ [Read more](https://hackaday.com/2022/08/18/a-particularly-polished-atx-bench-power-supply/) 2022-08-18T11:00:49Z **ESP8266 Smart Vents Keep Tabs On Home Temps**
![](https://hackaday.com/wp-content/uploads/2022/08/smartvent_feat.jpg?w=800)

Have you ever found that, despite having a central heating and air conditioning system, that not all the rooms in your home end up being the temperature you want them […read more](https://hackaday.com/2022/08/18/esp8266-smart-vents-keep-tabs-on-home-temps/) ⌘ [Read more](https://hackaday.com/2022/08/18/esp8266-smart-vents-keep-tabs-on-home-temps/) 2022-08-18T14:00:06Z **Bufferbloat, the Internet, and How to Fix It**
![](https://hackaday.com/wp-content/uploads/2022/08/AdobeStock_340047078_featured.png?w=800)

There’s a dreaded disease that’s plagued Internet Service Providers for years. OK, there’s probably several diseases, but today we’re talking about bufferbloat. What it is, how to test for it, […read more](https://hackaday.com/2022/08/18/bufferbloat-the-internet-and-how-to-fix-it/) ⌘ [Read more](https://hackaday.com/2022/08/18/bufferbloat-the-internet-and-how-to-fix-it/) 2022-08-18T15:30:25Z **Cute NFL Standings Tracker Uses Little Mini Helmets**
![](https://hackaday.com/wp-content/uploads/2022/08/MiniHelmetTracker-A-real-time-standings-table-robot.-4-32-screenshot.png?w=800)

If you’re a die hard sports fan, there’s nothing you love more than staying abreast of developments in the league, from top to bottom. [Kiu] had a family member that […read more](https://hackaday.com/2022/08/18/cute-nfl-standings-tracker-uses-little-mini-helmets/) ⌘ [Read more](https://hackaday.com/2022/08/18/cute-nfl-standings-tracker-uses-little-mini-helmets/) 2022-08-18T18:30:31Z **Put 3D Metal Printing Services To The Test, By Making A Watch**
![](https://hackaday.com/wp-content/uploads/2022/08/metal-print-watch-featured.jpg?w=800)

Have you ever been tempted by those metal 3D printing services? [Carter Hurd] has, and puts them to the test with a wristwatch. (Video, embedded below.) It’s fair to say […read more](https://hackaday.com/2022/08/18/put-3d-metal-printing-services-to-the-test-by-making-a-watch/) ⌘ [Read more](https://hackaday.com/2022/08/18/put-3d-metal-printing-services-to-the-test-by-making-a-watch/) 2022-08-18T20:00:03Z **Angled Drill Guide Helps You With Those Tricky Holes**
![](https://hackaday.com/wp-content/uploads/2022/08/FTRQCA9L6QHDIQO-e1660815992982.webp?w=800)

If you’ve ever tried to drill a hole on an angle with a power drill, you’ve probably drilled some pretty shocking holes. To do it right, you really need some […read more](https://hackaday.com/2022/08/18/angled-drill-guide-helps-you-with-those-tricky-holes/) ⌘ [Read more](https://hackaday.com/2022/08/18/angled-drill-guide-helps-you-with-those-tricky-holes/) 2022-08-18T23:00:08Z **LCD Monitor Plays the Hits**
![](https://hackaday.com/wp-content/uploads/2022/08/tempest.png?w=729)

In the old days, it wasn’t uncommon to put an AM radio near a computer or a monitor and deliberately cause interference to have a crude form of sound generation. […read more](https://hackaday.com/2022/08/18/lcd-monitor-plays-the-hits/) ⌘ [Read more](https://hackaday.com/2022/08/18/lcd-monitor-plays-the-hits/) 2022-08-19T02:00:00Z **The Tools to Fight Against Single-Use Plastic**
![](https://hackaday.com/wp-content/uploads/2022/08/better-tool-design-800.jpeg?w=800)

Imagine for a moment that you design products for a living. But you can’t design all the things, so you have to buy some of your stuff from big-box stores […read more](https://hackaday.com/2022/08/18/the-tools-to-fight-against-single-use-plastic/) ⌘ [Read more](https://hackaday.com/2022/08/18/the-tools-to-fight-against-single-use-plastic/) 2022-08-19T05:00:00Z **I’m Your Overlord, May I Take Your Order?**
![](https://hackaday.com/wp-content/uploads/2022/08/mel.png?w=800)

If you’ve ever been at an eatery and thought the server was a bit robotic, you should try San Francisco’s Mezli. The restaurant claims to be the first one to […read more](https://hackaday.com/2022/08/18/im-your-overlord-may-i-take-your-order/) ⌘ [Read more](https://hackaday.com/2022/08/18/im-your-overlord-may-i-take-your-order/) 2022-08-19T08:00:01Z **Mecanum-Wheeled Robot Chassis Takes Commands From PS4 Controller**
![](https://hackaday.com/wp-content/uploads/2022/08/PS4-Controlled-Holonomic-Drive-Mecanum-wheeled-0-43-screenshot.png?w=800)

Mecanum wheels are popular choices for everything from robots to baggage handling equipment in airports. Depending on their direction of rotation, they can generate forces in any planar direction, providing […read more](https://hackaday.com/2022/08/19/mecanum-wheeled-robot-chassis-t ... ⌘ [Read more](https://hackaday.com/2022/08/19/mecanum-wheeled-robot-chassis-takes-commands-from-ps4-controller/) 2022-08-19T11:00:27Z **Every Frame a Work of Art With This Color Ultra-Slow Movie Player**
![](https://hackaday.com/wp-content/uploads/2022/08/4579901647683117303.jpg?w=800)

One of the more recent trendy builds we’ve seen is the slow-motion movie player. We love them — displaying one frame for a couple of hours to perhaps a full […read more](https://hackaday.com/2022/08/19/every-frame-a-work-of-art-with-this-color-ultra-slow-movie-player/) ⌘ [Read more](https://hackaday.com/2022/08/19/every-frame-a-work-of-art-with-this-color-ultra-slow-movie-player/) 2022-08-19T14:00:26Z **This Week in Security: Secure Boot Bypass, Attack on Titan M, KASLR Weakness**
![](https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800)

It’s debatable just how useful Secure Boot is for end users, but now there’s yet another issue with Secure Boot, or more specifically, a trio of signed bootloaders. Researchers at […read more](https://hackaday.com/2022/08/19/this-week-in-security-secure-boot-bypass-attack-on-titan-m-kaslr-weakness/) ⌘ [Read more](https://hackaday.com/2022/08/19/this-week-in-security-secure-boot-bypass-attack-on-titan-m-kaslr-weakness/) 2022-08-19T15:00:00Z **Tracing In 2D and 3D With Hall Effect Sensors**
![](https://hackaday.com/wp-content/uploads/2022/08/12-6-screenshot-1-e1660815180778.png?w=800)

Pantographs were once used as simple mechanical devices for a range of tasks, including duplicating simple line drawings. [Tim] decided to make a modern electronic version that spits out G-Code […read more](https://hackaday.com/2022/08/19/tracing-in-2d-and-3d-with-hall-effect-sensors/) ⌘ [Read more](https://hackaday.com/2022/08/19/tracing-in-2d-and-3d-with-hall-effect-sensors/) 2022-08-19T16:00:44Z **Hackaday Podcast 182: Sparkpunk Photography, Anti-Xiomi Air Filters, and Keyfob Foibles**
![](https://hackaday.com/wp-content/uploads/2016/05/microphone.jpg?w=800)

Editor-in-Chief Elliot Williams and Managing Editor Tom Nardi are here to bring you the best stories and hacks from the previous week (and maybe a little older). Things kick off […read more](https://hackaday.com/2022/08/19/hackaday-podcast-182-sparkpunk-photography-anti-xiomi-air-filters-and ... ⌘ [Read more](https://hackaday.com/2022/08/19/hackaday-podcast-182-sparkpunk-photography-anti-xiomi-air-filters-and-keyfob-foibles/) 2022-08-19T17:00:33Z **Steamy Hack Chat Vents Some High Pressure Wisdom**
![](https://hackaday.com/wp-content/uploads/2022/08/AdobeStock_290866540.jpeg?w=800)

Ask the average person about steam power and they’ll probably imagine a bygone era, a time when the sky was thick with smoke belched out by coal-burning locomotives and paddle-wheel […read more](https://hackaday.com/2022/08/19/steamy-hack-chat-vents-some-high-pressure-wisdom/) ⌘ [Read more](https://hackaday.com/2022/08/19/steamy-hack-chat-vents-some-high-pressure-wisdom/) 2022-08-19T20:00:29Z **Reverse-Engineering a Smoker**
![](https://hackaday.com/wp-content/uploads/2022/08/smoker-main.jpg?w=771)

In certain parts of the world, cooking meat in a regionally-specific way is a critical part of the local culture. From barbeque in the American south to boerewors and braaivleis […read more](https://hackaday.com/2022/08/19/reverse-engineering-a-smoker/) ⌘ [Read more](https://hackaday.com/2022/08/19/reverse-engineering-a-smoker/) 2022-08-19T23:00:06Z **Rŏ̽ta: Counting, With Style**
![](https://hackaday.com/wp-content/uploads/2022/08/7539421660781177680.jpeg?w=800)

Rǒta counts things. That’s it, really — what a cheap little mechanical counter does with a thumb press, or what you can do by counting on your fingers and toes, […read more](https://hackaday.com/2022/08/19/ro%cc%86%cc%bdta-counting-with-style/) ⌘ [Read more](https://hackaday.com/2022/08/19/ro%cc%86%cc%bdta-counting-with-style/) 2022-08-20T02:00:51Z **Keycap Shine? No, Shiny Keycaps**
![](https://hackaday.com/wp-content/uploads/2022/08/acetone-keycaps-800.jpeg?w=800)

No matter how often you wash your hands, ABS keycaps will eventually exhibit shine wherever you strike them the most. And that’s the problem right there: the shine might be […read more](https://hackaday.com/2022/08/19/keycap-shine-no-shiny-keycaps/) ⌘ [Read more](https://hackaday.com/2022/08/19/keycap-shine-no-shiny-keycaps/) 2022-08-20T05:00:23Z **Livestreaming Backpack Takes Streaming On-The-Go**
![](https://hackaday.com/wp-content/uploads/2022/08/livestream-backpack-main.jpg?w=800)

Anyone who’s anyone on the internet these days occasionally streams content online. Whether that’s the occasional livestream on YouTube or an every day video game session on Twitch, it’s definitely […read more](https://hackaday.com/2022/08/19/livestreaming-backpack-takes-streaming-on-the-go/) ⌘ [Read more](https://hackaday.com/2022/08/19/livestreaming-backpack-takes-streaming-on-the-go/) 2022-08-20T08:00:12Z **Fridge Compressor Teardown Reveals Engineering Compromises**
![](https://hackaday.com/wp-content/uploads/2022/08/fridge-compressor-featured.jpg?w=800)

Probably one of the most reliable devices you will have in your house is the refrigerator, as its compressor has the minimum of moving parts and carries its own lubrication. […read more](https://hackaday.com/2022/08/20/fridge-compressor-teardown-reveals-engineering-compromises/) ⌘ [Read more](https://hackaday.com/2022/08/20/fridge-compressor-teardown-reveals-engineering-compromises/) 2022-08-20T11:00:54Z **Z80 Single-Board Computer Looks Like It Could Have Been a Killer Product**
![](https://hackaday.com/wp-content/uploads/2022/08/1280x720-vtime10_19-take2022-08-19-17.41.46.png?w=800)

Most retrocomputer builds seem to focus on either restoring old machines or rebuilding them from scratch. Either way, the goal is to get as close as possible to the original […read more](https://hackaday.com/2022/08/20/z80-single-board-computer-looks-like-it-could-have-been-a-killer-pr ... ⌘ [Read more](https://hackaday.com/2022/08/20/z80-single-board-computer-looks-like-it-could-have-been-a-killer-product/) 2022-08-20T14:00:58Z **Dream Projects Face Reality**
![](https://hackaday.com/wp-content/uploads/2017/07/automation.jpg?w=800)

Do you ever get a project stuck in your mind? An idea so good you just keep thinking about it? Going over iterations and options and pros and cons in […read more](https://hackaday.com/2022/08/20/dream-projects-face-reality/) ⌘ [Read more](https://hackaday.com/2022/08/20/dream-projects-face-reality/) 2022-08-20T17:00:59Z **2022 Cyberdeck Contest: Extruded Rig Exudes Coolness**
![](https://hackaday.com/wp-content/uploads/2022/08/cyberdeck-2020-800.jpg?w=800)

When we came up with the cyberdeck contest, we figured we would see all kinds of builds, and so far, y’all haven’t disappointed us. Take for instance this tidy but […read more](https://hackaday.com/2022/08/20/2022-cyberdeck-contest-extruded-rig-exudes-coolness/) ⌘ [Read more](https://hackaday.com/2022/08/20/2022-cyberdeck-contest-extruded-rig-exudes-coolness/) 2022-08-20T20:00:03Z **Building A Spot Welder From 500 Junk Capacitors**
![](https://hackaday.com/wp-content/uploads/2022/08/Snap-2022-08-19-at-21.10.59.png?w=800)

[Kasyan TV] over on YouTube was given a pile of spare parts in reasonably large quantities, some of which were useful and allocated to specific projects, but given the given […read more](https://hackaday.com/2022/08/20/building-a-spot-welder-from-500-junk-capacitors/) ⌘ [Read more](https://hackaday.com/2022/08/20/building-a-spot-welder-from-500-junk-capacitors/) 2022-08-20T23:00:00Z **Deepdeck: Going Beyond The Macro Pad**
![](https://hackaday.com/wp-content/uploads/2022/08/online-macropad-featured.jpg?w=800)

We’re used to the idea of a macropad, a small extension keyboard for your computer whose keys can be programmed to the functions of your choice. They can be made […read more](https://hackaday.com/2022/08/20/deepdeck-going-beyond-the-macro-pad/) ⌘ [Read more](https://hackaday.com/2022/08/20/deepdeck-going-beyond-the-macro-pad/) 2022-08-21T02:00:00Z **Batteries Get Tiny**
![](https://hackaday.com/wp-content/uploads/2022/08/bat.png?w=800)

Steve Martin had a comedy routine that focused on the idea of “getting small.” That probably didn’t inspire the researchers at the Institute for Integrative Nanoscience when they set out […read more](https://hackaday.com/2022/08/20/batteries-get-tiny/) ⌘ [Read more](https://hackaday.com/2022/08/20/batteries-get-tiny/) 2022-08-21T05:00:44Z **PicoStepSeq Is Small But Perfectly Formed**
![](https://hackaday.com/wp-content/uploads/2022/08/pico-seq-featured.jpg?w=800)

The Paspberry Pi Pico is what you might call the board of the moment, thanks to its combination of affordability, features, and continued availability during the component shortage. We have […read more](https://hackaday.com/2022/08/20/picostepseq-is-small-but-perfectly-formed/) ⌘ [Read more](https://hackaday.com/2022/08/20/picostepseq-is-small-but-perfectly-formed/) 2022-08-21T08:00:00Z **Blog Title Optimizer Uses AI, But How Well Does It Work?**
![](https://hackaday.com/wp-content/uploads/2021/08/GithubCopilot.jpg?w=800)

[Max Woolf] sometimes struggles to create ideal headlines for his blog posts, and decided to apply his experience with machine learning to the problem. He asked: could an AI be […read more](https://hackaday.com/2022/08/21/blog-title-optimizer-uses-ai-but-how-well-does-it-work/) ⌘ [Read more](https://hackaday.com/2022/08/21/blog-title-optimizer-uses-ai-but-how-well-does-it-work/) 2022-08-21T11:00:37Z **Why Didn’t We Think Of Making A Remote Trigger Button?**
![](https://hackaday.com/wp-content/uploads/2022/08/scope-trigger-featured.jpg?w=800)

One of the many functions a digital oscilloscope offers over its analog ancestors is a trigger button. Alongside the usual electronic means of triggering the instrument, you can reach over […read more](https://hackaday.com/2022/08/21/why-didnt-we-think-of-making-a-remote-trigger-button/) ⌘ [Read more](https://hackaday.com/2022/08/21/why-didnt-we-think-of-making-a-remote-trigger-button/) 2022-08-21T14:00:58Z **Clover Computer: A Modern Z8000 CP/M Machine**
![](https://hackaday.com/wp-content/uploads/2022/08/z8k-feature.png?w=800)

Seeing some old Zilog 16-bit chips on eBay recently, [Scott Baker] was curious enough to snap them up and build himself a Z8000 computer. It started as a two-board solution, […read more](https://hackaday.com/2022/08/21/clover-computer-a-modern-z8000-cp-m-machine/) ⌘ [Read more](https://hackaday.com/2022/08/21/clover-computer-a-modern-z8000-cp-m-machine/) 2022-08-21T17:00:40Z **Knight Rider Keeps On Truckin’**
![](https://hackaday.com/wp-content/uploads/2022/08/krh-feat.png?w=800)

[AJ] and [Joe], collectively the [Knight Rider Historians] are bringing back one of the most iconic vehicles of the 1980’s. Everyone remembers KITT driving into the F.L.A.G. truck. Even the […read more](https://hackaday.com/2022/08/21/knight-rider-keeps-on-truckin/) ⌘ [Read more](https://hackaday.com/2022/08/21/knight-rider-keeps-on-truckin/) 2022-08-21T20:00:47Z **Drastic Plastic: Enclosure Rebuild Uses Donor Material**
![](https://hackaday.com/wp-content/uploads/2022/08/drastic_plastic_800.jpeg?w=800)

Although 3D printers are great, people tend to use them as a universal hammer wherein almost everything becomes a nail that’s just begging to be struck. So as hacker appetites […read more](https://hackaday.com/2022/08/21/drastic-plastic-enclosure-rebuild-uses-donor-material/) ⌘ [Read more](https://hackaday.com/2022/08/21/drastic-plastic-enclosure-rebuild-uses-donor-material/) 2022-08-21T23:00:32Z **Hackaday Links: August 21, 2022**
![Hackaday Links Column Banner](https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800)

As side-channel attacks go, it’s one of the weirder ones we’ve heard of. But the tech news was filled with stories this week about how Janet Jackson’s “Rhythm Nation” is […read more](https://hackaday.com/2022/08/21/hackaday-links-august-21-2022/) ⌘ [Read more](https://hackaday.com/2022/08/21/hackaday-links-august-21-2022/) 2022-08-22T02:00:05Z **Better 3D Printing Via Chemistry?**
![](https://hackaday.com/wp-content/uploads/2022/08/abs.png?w=800)

If you have problems getting a 3D print to stick to the bed, you might consider using glue to — hopefully temporarily — attach the print to the bed. In […read more](https://hackaday.com/2022/08/21/better-3d-printing-via-chemistry/) ⌘ [Read more](https://hackaday.com/2022/08/21/better-3d-printing-via-chemistry/) 2022-08-22T05:00:12Z **An ASCII Terminal Like It’s 1974**
![](https://hackaday.com/wp-content/uploads/2022/08/serial-terminal-featured.jpg?w=800)

It’s quite probable that any of you who have built a keyboard will have done so using a matrix of keys connected to a microcontroller, or if you are old-school, […read more](https://hackaday.com/2022/08/21/an-ascii-terminal-like-its-1974/) ⌘ [Read more](https://hackaday.com/2022/08/21/an-ascii-terminal-like-its-1974/) 2022-08-22T08:00:42Z **SSB in Your Pocket**
![](https://hackaday.com/wp-content/uploads/2022/08/rf760.png?w=800)

In the old days, a shortwave radio was a major desk fixture. These days, you can get truly diminutive radios. However, most of them only have AM capability (that is, […read more](https://hackaday.com/2022/08/22/ssb-in-your-pocket/) ⌘ [Read more](https://hackaday.com/2022/08/22/ssb-in-your-pocket/) 2022-08-22T11:00:06Z **Is This The Oldest Open Source HVAC Project In Existence?**
![](https://hackaday.com/wp-content/uploads/2022/08/hvac-featured.jpg?w=800)

Homebrew HVAC systems are one of those projects that take such a big investment of time, effort and money that you’ve got to be a really dedicated (ideally home-owning) hacker […read more](https://hackaday.com/2022/08/22/is-this-the-oldest-open-source-hvac-project-in-existence/) ⌘ [Read more](https://hackaday.com/2022/08/22/is-this-the-oldest-open-source-hvac-project-in-existence/) 2022-08-22T14:00:19Z **Unpacking the Stowaway Science Aboard Artemis I**
![](https://hackaday.com/wp-content/uploads/2022/08/Artemis.jpg?w=800)

NASA’s upcoming Artemis I mission represents a critical milestone on the space agency’s path towards establishing a sustainable human presence on the Moon. It will mark not only the first […read more](https://hackaday.com/2022/08/22/unpacking-the-stowaway-science-aboard-artemis-i/) ⌘ [Read more](https://hackaday.com/2022/08/22/unpacking-the-stowaway-science-aboard-artemis-i/) 2022-08-22T15:30:21Z **Magic Mirror Isn’t Transparent Metal**
![](https://hackaday.com/wp-content/uploads/2022/08/mirror.png?w=800)

One of the Star Trek movies has a McGuffin called “transparent aluminum.” While magic mirrors aren’t really transparent, it appears that way to a casual observer. If you haven’t seen […read more](https://hackaday.com/2022/08/22/magic-mirror-isnt-transparent-metal/) ⌘ [Read more](https://hackaday.com/2022/08/22/magic-mirror-isnt-transparent-metal/) 2022-08-22T16:00:11Z **Superconference 2022 Hack Chat**
![](https://hackaday.com/wp-content/uploads/2022/08/Aug_18_Supercon2022EventbritePageBanner.png?w=800)

Join us on Wednesday, August 24 at noon Pacific for the Superconference 2022 Hack Chat! To say that a lot of water has passed under the bridge since 2019 is […read more](https://hackaday.com/2022/08/22/superconference-2022-hack-chat/) ⌘ [Read more](https://hackaday.com/2022/08/22/superconference-2022-hack-chat/) 2022-08-22T17:00:05Z **A Brief History of Drywall Or: How Drywall Came To Dominate The World of Construction**
![](https://hackaday.com/wp-content/uploads/2022/08/6020794910_620abf0009_k_featured.png?w=800)

Drywall is common and ubiquitous in commercial and residential buildings today. Many of us barely think about it until we have to repair a hole smashed in it. However, drywall […read more](https://hackaday.com/2022/08/22/a-brief-history-of-drywall-or-how-drywall-came-to-d ... ⌘ [Read more](https://hackaday.com/2022/08/22/a-brief-history-of-drywall-or-how-drywall-came-to-dominate-the-world-of-construction/) 2022-08-22T18:30:09Z **Small Combat Robots Pack a Punch in Antweight Division**
![](https://hackaday.com/wp-content/uploads/2022/08/AWS64-Robots.jpg?w=800)

Two robots enter, one robot leaves! Combat robotics are a fantastic showcase of design and skill, but the mechanical contenders don’t have to be big, heavy, and expensive. There is […read more](https://hackaday.com/2022/08/22/small-combat-robots-pack-a-punch-in-antweight-division/) ⌘ [Read more](https://hackaday.com/2022/08/22/small-combat-robots-pack-a-punch-in-antweight-division/) 2022-08-22T20:00:01Z **Optimising A RC Tilt-Rotor VTOL**
![](https://hackaday.com/wp-content/uploads/2022/08/v5vtol-featured.png?w=800)

There are a variety of possible motor configurations to choose from when building a fixed-wing VTOL drone, but few take the twin-motor tilt-rotor approach used by the V-22 Osprey. However, […read more](https://hackaday.com/2022/08/22/optimising-a-rc-tilt-rotor-vtol/) ⌘ [Read more](https://hackaday.com/2022/08/22/optimising-a-rc-tilt-rotor-vtol/) 2022-08-22T23:00:36Z **Make Multi-Material Resin Prints With A Syringe (And A Bit Of Patience)**
![](https://hackaday.com/wp-content/uploads/2022/08/Multi-Material-Resin-Printing-flexible-and-rigid-resin-0-14-screenshot.png?w=800)

Resin printing is a fantastic way to create parts, but multi-material printing isn’t really a possibility with resin. That is, unless you use [Cameron Coward]’s method for creating multi-material resin […read more](https://hackaday.com/2022/08/22/make-multi-mater ... ⌘ [Read more](https://hackaday.com/2022/08/22/make-multi-material-resin-prints-with-a-syringe-and-a-bit-of-patience/) 2022-08-23T02:00:55Z **Choose Your Own Vector Map**
![](https://hackaday.com/wp-content/uploads/2022/08/Screen-Shot-2022-08-21-at-10.21.23-PM-2.png?w=800)

There are adults out there driving who were born after Google Earth came out. Potentially distressing facts aside, those who were around to remember the magic of scrolling in and […read more](https://hackaday.com/2022/08/22/choose-your-own-vector-map/) ⌘ [Read more](https://hackaday.com/2022/08/22/choose-your-own-vector-map/) 2022-08-23T05:00:10Z **Soviet-Era Test Gear Defects to YouTube**
![](https://hackaday.com/wp-content/uploads/2022/08/ik2.png?w=800)

If you want to work on communication gear — especially in the 1960s — you probably wanted a VTVM (a vacuum tube voltmeter), a way to generate frequencies, and a […read more](https://hackaday.com/2022/08/22/soviet-era-test-gear-defects-to-youtube/) ⌘ [Read more](https://hackaday.com/2022/08/22/soviet-era-test-gear-defects-to-youtube/) 2022-08-23T08:00:50Z **Knife Throwing Machine Gets the Spin Just Right**
![](https://hackaday.com/wp-content/uploads/2022/08/knife-throwing-machine-featured.png?w=800)

Despite how it might appear in bad action movies, throwing a knife and making it stick in a target is no easy feat. Taking inspiration from the aforementioned movies, [Quint] […read more](https://hackaday.com/2022/08/23/knife-throwing-machine-gets-the-spin-just-right/) ⌘ [Read more](https://hackaday.com/2022/08/23/knife-throwing-machine-gets-the-spin-just-right/) 2022-08-23T11:00:37Z **Ryobi Battery Hack Keeps CPAP Running Quietly**
![](https://hackaday.com/wp-content/uploads/2022/08/SMlNTUt.jpeg?w=800)

When it comes to cordless power tools, color is an important brand selection criterion. There’s Milwaukee red, for the rich people, the black and yellow of DeWalt, and Makita has […read more](https://hackaday.com/2022/08/23/ryobi-battery-hack-keeps-cpap-running-quietly/) ⌘ [Read more](https://hackaday.com/2022/08/23/ryobi-battery-hack-keeps-cpap-running-quietly/) 2022-08-23T14:00:47Z **Optimizing The Mining Of Uranium From Coal Ash And Seawater**
![](https://hackaday.com/wp-content/uploads/2022/08/20180612093415529.jpg?w=800)

Of all the elements that make up the Earth’s crust, uranium is reasonably abundant, coming in at 49th place, ahead of elements such as tin, tungsten and silver. Ever since […read more](https://hackaday.com/2022/08/23/optimizing-the-mining-of-uranium-from-coal-ash-and-seawater/) ⌘ [Read more](https://hackaday.com/2022/08/23/optimizing-the-mining-of-uranium-from-coal-ash-and-seawater/) 2022-08-23T15:00:00Z **The First-Ever Kansas City Keyboard Meetup Is This Weekend**
![](https://hackaday.com/wp-content/uploads/2022/08/kc-keeb-meetup-800.jpg?w=800)

Sometimes, if you wait long enough for something you want, it will come to you. Whether it’s the law of attraction or just plain laziness, it has finally happened — […read more](https://hackaday.com/2022/08/23/the-first-ever-kansas-city-keyboard-meetup-is-this-weekend/) ⌘ [Read more](https://hackaday.com/2022/08/23/the-first-ever-kansas-city-keyboard-meetup-is-this-weekend/) 2022-08-23T16:00:29Z **2022 Hackaday Supercon: Call For Proposals Extended**
![](https://hackaday.com/wp-content/uploads/2022/07/supercon2022cfpteaser-mov-shot0007_featured.png?w=800)

Good news, procrastinators and those of you who simply have not yet worked up the nerve to submit! The 2022 Hackaday Supercon Call for Proposals has been extended one more […read more](https://hackaday.com/2022/08/23/2022-hackaday-supercon-call-for-proposals-extended/) ⌘ [Read more](https://hackaday.com/2022/08/23/2022-hackaday-supercon-call-for-proposals-extended/) 2022-08-23T17:00:47Z **IBM’s Early PC Attracts Time Travelers**
![](https://hackaday.com/wp-content/uploads/2022/08/ibm5100-open.jpg?w=800)

It wasn’t long ago I was nostalgic about an old computer I saw back in the 1980s from HP. It was sort of an early attempt at a PC, although […read more](https://hackaday.com/2022/08/23/ibms-early-pc-attracts-time-travelers/) ⌘ [Read more](https://hackaday.com/2022/08/23/ibms-early-pc-attracts-time-travelers/) 2022-08-23T18:30:04Z **2022 Hackaday Prize: Plant Monitoring System Grows To Include LoRa**
![](https://hackaday.com/wp-content/uploads/2022/08/flora-main.jpg?w=625)

Change on industrial scales is slow, but if you’re operating your own small farm or simply working in a home garden there are some excellent ways to use water more […read more](https://hackaday.com/2022/08/23/2022-hackaday-prize-plant-monitoring-system-grows-to-include-lora/) ⌘ [Read more](https://hackaday.com/2022/08/23/2022-hackaday-prize-plant-monitoring-system-grows-to-include-lora/) 2022-08-23T20:00:24Z **High-Speed RC Car Needs A Flight Controller**
![](https://hackaday.com/wp-content/uploads/2022/08/edf-car-featured.png?w=800)

The fastest ground vehicles on earth are not driven by their wheels but by an aircraft jet engine. At world record speeds, they run on an aerodynamic razor’s edge between […read more](https://hackaday.com/2022/08/23/high-speed-rc-car-needs-a-flight-controller/) ⌘ [Read more](https://hackaday.com/2022/08/23/high-speed-rc-car-needs-a-flight-controller/) 2022-08-23T23:00:14Z **Flapping PCB Fan Blows A Little Bit**
![](https://hackaday.com/wp-content/uploads/2022/08/pcb-flapper-fan.png?w=800)

Moving air with spinning blades is the most popular way, but it is not the only way. Using the PCB actuator technology he has been working on for the past […read more](https://hackaday.com/2022/08/23/flapping-pcb-fan-blows-a-little-bit/) ⌘ [Read more](https://hackaday.com/2022/08/23/flapping-pcb-fan-blows-a-little-bit/) 2022-08-24T02:00:21Z **Integrated Circuit Manufacturing At Bell Labs In 1983**
![](https://hackaday.com/wp-content/uploads/2022/08/Snap-2022-08-22-at-21.06.56.png?w=800)

With the never ending march of technological progress, arguably the most complex technologies become so close to magic as to be impenetrable to those outside the industry in which they […read more](https://hackaday.com/2022/08/23/integrated-circuit-manufacturing-at-bell-labs-in-1983/) ⌘ [Read more](https://hackaday.com/2022/08/23/integrated-circuit-manufacturing-at-bell-labs-in-1983/) 2022-08-24T05:00:51Z **There’s Gold In That There Graphene**
![](https://hackaday.com/wp-content/uploads/2022/08/gold.png?w=800)

There’s gold all around us, embedded in our electronics. There are people who collect e-waste and use various methods to extract gold from them. However, it is hard to qualify […read more](https://hackaday.com/2022/08/23/theres-gold-in-that-there-graphene/) ⌘ [Read more](https://hackaday.com/2022/08/23/theres-gold-in-that-there-graphene/) 2022-08-24T08:00:08Z **Frequency Counter Restoration Impeded by Kittens**
![](https://hackaday.com/wp-content/uploads/2022/08/countx.png?w=800)

We think of digital displays as something you see on relatively modern gear. But some old gear had things like nixies or numitrons to get cool-looking retro digital displays. The […read more](https://hackaday.com/2022/08/24/frequency-counter-restoration-impeded-by-kittens/) ⌘ [Read more](https://hackaday.com/2022/08/24/frequency-counter-restoration-impeded-by-kittens/) 2022-08-24T11:00:12Z **Macintosh Classic II With E-Ink Display**
![](https://hackaday.com/wp-content/uploads/2022/08/einkmac_feat.jpg?w=800)

As various antique computers age, it becomes increasingly hard to operate them as hardware begins to physically fail. Keeping these systems up and running often requires scavenging parts from other […read more](https://hackaday.com/2022/08/24/macintosh-classic-ii-with-e-ink-display/) ⌘ [Read more](https://hackaday.com/2022/08/24/macintosh-classic-ii-with-e-ink-display/) 2022-08-24T14:00:27Z **How Resilient is the Natural Gas Grid?**
![](https://hackaday.com/wp-content/uploads/2021/05/Fuel.jpg?w=800)

A few years ago, I managed to get myself on a mailing list from a fellow who fancied himself an expert on energy. Actually, it seemed that no area was […read more](https://hackaday.com/2022/08/24/how-resilient-is-the-natural-gas-grid/) ⌘ [Read more](https://hackaday.com/2022/08/24/how-resilient-is-the-natural-gas-grid/) 2022-08-24T15:30:16Z **Telephoto Lens Without the Fiscal Pain**
![](https://hackaday.com/wp-content/uploads/2022/08/telephoto-lens-featured.jpg?w=800)

If you’re in the market for a telephoto lens, the available range of optics for your camera is limited only by the size of your bank account. So when [Pixels […read more](https://hackaday.com/2022/08/24/telephoto-lens-without-the-fiscal-pain/) ⌘ [Read more](https://hackaday.com/2022/08/24/telephoto-lens-without-the-fiscal-pain/) 2022-08-24T17:00:50Z **Space-Based Solar Power: Folly Or Stroke Of Genius?**
![](https://hackaday.com/wp-content/uploads/2022/08/SpaceSolar.jpg?w=800)

The Sun always shines in space, unless a pesky planet gets in the way. That’s more or less the essential thought behind space-based solar power (SBSP) as newly pitched by […read more](https://hackaday.com/2022/08/24/space-based-solar-power-folly-or-stroke-of-genius/) ⌘ [Read more](https://hackaday.com/2022/08/24/space-based-solar-power-folly-or-stroke-of-genius/) 2022-08-24T18:30:27Z **Skarper E-Bike Conversion Kit Simplifies Electrifying your Bike**
![](https://hackaday.com/wp-content/uploads/2022/08/bike.png?w=800)

If you’re a Hackaday reader, it’s a good bet you could figure out how to convert your bike to use an electric motor. But you might have more important things […read more](https://hackaday.com/2022/08/24/skarper-e-bike-conversion-kit-simplifies-electrifying-your-bike/) ⌘ [Read more](https://hackaday.com/2022/08/24/skarper-e-bike-conversion-kit-simplifies-electrifying-your-bike/) 2022-08-24T20:00:29Z **A Hacky Automatic Camera Slider Using No Motors**
![](https://hackaday.com/wp-content/uploads/2022/08/F1J9MI9L6RWUAOW-1-e1661314972357.png?w=800)

Camera sliders are a great way to get smooth, continuous panning shots. You can buy off the shelf or build yourself a motorized model pretty easily these days. However, [Shivam […read more](https://hackaday.com/2022/08/24/a-hacky-automatic-camera-slider-using-no-motors/) ⌘ [Read more](https://hackaday.com/2022/08/24/a-hacky-automatic-camera-slider-using-no-motors/) 2022-08-24T23:00:25Z **Reactive Load For Amplifiers Teaches Lessons About Inductors**
![](https://hackaday.com/wp-content/uploads/2022/08/reactive-load-main.jpg?w=800)

The sound produced by any given electric guitar is shaped not just by the instrument itself but by the amplifiers chosen to make that sound audible. Plenty of musicians swear […read more](https://hackaday.com/2022/08/24/reactive-load-for-amplifiers-teaches-lessons-about-inductors/) ⌘ [Read more](https://hackaday.com/2022/08/24/reactive-load-for-amplifiers-teaches-lessons-about-inductors/) 2022-08-25T02:00:35Z **Coffee with Kernighan**
![](https://hackaday.com/wp-content/uploads/2022/08/awk-feature.png?w=800)

There was an interesting tidbit buried in a Computerphile video released last week (below the break), featuring professors [David Brailsford] and [Brian Kernighan] having a chat over coffee. Among other […read more](https://hackaday.com/2022/08/24/coffee-with-kernighan/) ⌘ [Read more](https://hackaday.com/2022/08/24/coffee-with-kernighan/) 2022-08-25T05:00:56Z **Building A GameCube Mini Because Nintendo Never Did**
![](https://hackaday.com/wp-content/uploads/2022/08/I-made-my-own-GameCube-Mini-because-Nintendo-wont-16-32-screenshot.png?w=800)

Nintendo never made a GameCube Mini, with the console’s form factor remaining the same until the eventual launch of the Wii in 2006. [Bringus Studios] decided to build one of […read more](https://hackaday.com/2022/08/24/building-a-gamecube-mini-because-nintendo-never-did/) ⌘ [Read more](https://hackaday.com/2022/08/24/building-a-gamecube-mini-because-nintendo-never-did/) 2022-08-25T08:00:17Z **PET Bottles Diligently Turned Into Filament**
![](https://hackaday.com/wp-content/uploads/2022/08/recycle-main.jpg?w=800)

While the price of 3D printers has come down quite a lot in the past few years, filament continues to be rather pricey especially for those doing a lot of […read more](https://hackaday.com/2022/08/25/pet-bottles-diligently-turned-into-filament/) ⌘ [Read more](https://hackaday.com/2022/08/25/pet-bottles-diligently-turned-into-filament/) 2022-08-25T11:00:46Z **Everything You Didn’t Know You Need to Know About Glitching Attacks**
![](https://hackaday.com/wp-content/uploads/2022/08/setup.jpg?w=800)

If you’ve always been intrigued by the idea of performing hardware attacks but never knew where to start, then we’ve got the article for you: an in-depth look at the […read more](https://hackaday.com/2022/08/25/everything-you-didnt-know-you-need-to-know-about-glitching-attacks/) ⌘ [Read more](https://hackaday.com/2022/08/25/everything-you-didnt-know-you-need-to-know-about-glitching-attacks/) 2022-08-25T14:00:58Z **I3C — No Typo — Wants to Be Your Serial Bus**
![](https://hackaday.com/wp-content/uploads/2022/08/I3C.jpg?w=800)

Remember old hard drives with their giant ribbon cables? They went serial and now the power cables are way thicker than the data cables. We’ve seen the same thing in […read more](https://hackaday.com/2022/08/25/i3c-no-typo-wants-to-be-your-serial-bus/) ⌘ [Read more](https://hackaday.com/2022/08/25/i3c-no-typo-wants-to-be-your-serial-bus/) 2022-08-25T15:30:06Z **Printable One-Way Driver Skips Ratchet for a Clutch**
![](https://hackaday.com/wp-content/uploads/2022/08/Ratchet-Screwdriver-without-Ratchet-but-with-Overrunning-Clutch-0-0-screenshot.png?w=800)

Ratcheting screwdrivers can help you work faster, even if their bulk means they’re not the best option for working in tight spaces. [ukman] decided to build a similar device of […read more](https://hackaday.com/2022/08/25/printable-one-way-driver-skips-ratchet-for-a-clutch/) ⌘ [Read more](https://hackaday.com/2022/08/25/printable-one-way-driver-skips-ratchet-for-a-clutch/) 2022-08-25T17:00:30Z **Tech In Plain Sight: Rain-Sensing Wipers**
![](https://hackaday.com/wp-content/uploads/2022/08/4597461278_cb6ab2df06_k.jpg?w=800)

While it is definitely a first-world problem that you don’t want to manually turn on your windshield wipers when it starts raining, it is also one of those things that […read more](https://hackaday.com/2022/08/25/tech-in-plain-sight-rain-sensing-wipers/) ⌘ [Read more](https://hackaday.com/2022/08/25/tech-in-plain-sight-rain-sensing-wipers/) 2022-08-25T18:30:06Z **Pi Pico Gives Its Life for Overclocking**
![](https://hackaday.com/wp-content/uploads/2022/08/pico1g.png?w=800)

How fast can a Raspberry Pi Pico go? Well, apparently the answer is 1 GHz if you freeze it and give it over twice the voltage it normally gets. Oh, […read more](https://hackaday.com/2022/08/25/pi-pico-gives-its-life-for-overclocking/) ⌘ [Read more](https://hackaday.com/2022/08/25/pi-pico-gives-its-life-for-overclocking/) 2022-08-25T20:00:10Z **Multispectral Imaging System Built With Raspberry Pi**
![](https://hackaday.com/wp-content/uploads/2022/08/multi-spectral-test-video-non-calibrated-screen-capture-2-1-3-screenshot-1.png?w=800)

Multispectral imaging can be a useful tool, revealing all manner of secrets hidden to the human eye. [elad orbach] built a rig to perform such imaging using the humble Raspberry […read more](https://hackaday.com/2022/08/25/multispectral-imaging-system-built-with-raspberry-pi/) ⌘ [Read more](https://hackaday.com/2022/08/25/multispectral-imaging-system-built-with-raspberry-pi/) 2022-08-25T23:00:18Z **A Self-Spinning Tennis Ball to Surprise Your Opponent**
![A tennis racket and a tennis ball with a spinning motor inside](https://hackaday.com/wp-content/uploads/2022/08/Magic-tennis-ball.png?w=800)

In many ball sports like golf, football and tennis, controlling the ball’s spin is an important skill. Expert players can make golf balls curve around obstacles, launch footballs towards goal […read more](https://hackaday.com/2022/08/25/a-self-spinning-tennis-ball-to-surprise-your-oppone ... ⌘ [Read more](https://hackaday.com/2022/08/25/a-self-spinning-tennis-ball-to-surprise-your-opponent/) 2022-08-26T02:00:23Z **Objective Hotend Performance Measurement Is Hard**
![](https://hackaday.com/wp-content/uploads/2022/08/hotend-pressure-sensor.png?w=800)

Evaluating the performance of 3D printers and component upgrades is a more difficult than it may seem at first glance, and subjective observations can lead to incorrect conclusions. To objectively […read more](https://hackaday.com/2022/08/25/objective-hotend-performance-measurement-is-hard/) ⌘ [Read more](https://hackaday.com/2022/08/25/objective-hotend-performance-measurement-is-hard/) 2022-08-26T05:00:30Z **Buy the Right to Build a Nakagin Tower Anywhere**
![](https://hackaday.com/wp-content/uploads/2022/08/nakagin-featured.jpg?w=800)

We’re guessing that among Hackaday’s readership are plenty of futurists, and while the past might be the wrong direction in which to look when considering futurism, we wouldn’t blame any […read more](https://hackaday.com/2022/08/25/buy-the-right-to-build-a-nakagin-tower-anywhere/) ⌘ [Read more](https://hackaday.com/2022/08/25/buy-the-right-to-build-a-nakagin-tower-anywhere/) 2022-08-26T08:00:00Z **Simple Breadboard SDR For Shortwave**
![](https://hackaday.com/wp-content/uploads/2022/08/breadboard-sdr.png?w=800)

One of the best ways to learn about radios is to build your own, even in the age of cheap SDR dongles. [Aniss Oulhaci] demonstrates this with a simple HF […read more](https://hackaday.com/2022/08/26/simple-breadboard-sdr-for-shortwave/) ⌘ [Read more](https://hackaday.com/2022/08/26/simple-breadboard-sdr-for-shortwave/) 2022-08-26T11:00:57Z **You Paid For This Paper. Now You Can Read It Without Paying Again**
![](https://hackaday.com/wp-content/uploads/2022/08/white-house-featured.jpg?w=800)

There is probably very little among the topics covered here at Hackaday that doesn’t have its roots somewhere in scientific research. Semiconductor devices for example didn’t simply pop into being […read more](https://hackaday.com/2022/08/26/you-paid-for-this-paper-now-you-can-read-it-without-paying-again/) ⌘ [Read more](https://hackaday.com/2022/08/26/you-paid-for-this-paper-now-you-can-read-it-without-paying-again/) 2022-08-26T14:00:18Z **This Week in Security: In Mudge We Trust, Don’t Trust That App Browser, and Firefox at Pwn2Own**
![](https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800)

There’s yet another brouhaha forming over Twitter, but this time around it’s a security researcher making noise instead of an eccentric billionaire. [Peiter Zatko] worked as Twitter’s security chief for […read more](https://hackaday.com/2022/08/26/this-week-in-security-in-mudge-we ... ⌘ [Read more](https://hackaday.com/2022/08/26/this-week-in-security-in-mudge-we-trust-dont-trust-that-app-browser-and-firefox-at-pwn2own/) 2022-08-26T15:00:00Z **Machine Learning Gives Cats One More Way to Control Their Humans**
![](https://hackaday.com/wp-content/uploads/2022/08/AdobeStock_172157738.jpeg?w=800)

For those who choose to let their cats live a more or less free-range life, there are usually two choices. One, you can adopt the role of servant and run […read more](https://hackaday.com/2022/08/26/machine-learning-gives-cats-one-more-way-to-control-their-humans/) ⌘ [Read more](https://hackaday.com/2022/08/26/machine-learning-gives-cats-one-more-way-to-control-their-humans/) 2022-08-26T16:00:59Z **Hackaday Podcast 183: Stowaway Science, Cold Basements, and Warm Beers**
![](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 on a secret server to discuss the cream of this week’s crop of hacks. After gushing about the […read more](https://hackaday.com/2022/08/26/hackaday-podcast-183-stowaway-science-cold-basements-and-warm-beers/) ⌘ [Read more](https://hackaday.com/2022/08/26/hackaday-podcast-183-stowaway-science-cold-basements-and-warm-beers/) 2022-08-26T18:30:28Z **Bit-Banged Ethernet On The Raspberry Pi Pico**
![](https://hackaday.com/wp-content/uploads/2022/08/picoeth_feat.jpg?w=800)

Whilst the Raspberry Pi RP2040 is quite a capable little chip, on the whole it’s nothing really special compared to the big brand offerings. But, the PIO peripheral is a […read more](https://hackaday.com/2022/08/26/bit-banged-ethernet-on-the-raspberry-pi-pico/) ⌘ [Read more](https://hackaday.com/2022/08/26/bit-banged-ethernet-on-the-raspberry-pi-pico/) 2022-08-26T20:00:00Z **A Guide To 3D Printing Model Aircraft Wings**
![](https://hackaday.com/wp-content/uploads/2022/08/3d-printed-airfoil-featured.png?w=800)

The exact airfoil shape of a wing has a massive effect on the performance and efficiency of an aircraft and will be selected based on the intended flight envelope. If […read more](https://hackaday.com/2022/08/26/a-guide-to-3d-printing-model-aircraft-wings/) ⌘ [Read more](https://hackaday.com/2022/08/26/a-guide-to-3d-printing-model-aircraft-wings/) 2022-08-26T23:00:19Z **Water Monitor Measures The Cost Of Your Shower Thinking Time**
![](https://hackaday.com/wp-content/uploads/2022/08/shower-monitor.png?w=800)

The shower is one of the top thinking places for many of us, but can get a bit out of hand with water wastage and utility bills if you go […read more](https://hackaday.com/2022/08/26/water-monitor-measures-the-cost-of-your-shower-thinking-time/) ⌘ [Read more](https://hackaday.com/2022/08/26/water-monitor-measures-the-cost-of-your-shower-thinking-time/) 2022-08-27T02:00:28Z **Make Your Own Vinegar**
![](https://hackaday.com/wp-content/uploads/2022/08/DIY-vinegar-featured.png?w=800)

Making fermentation work for us is one of the original hacks that allowed humans to make food last longer, and festivities more interesting. [Mike G] has been experimenting with making […read more](https://hackaday.com/2022/08/26/make-your-own-vinegar/) ⌘ [Read more](https://hackaday.com/2022/08/26/make-your-own-vinegar/) 2022-08-27T05:00:06Z **Dead EEPROM Dumped With Help Of Body Diodes**
![A multimeter connected to the EEPROM chip with crocodile clips, showing that there's a 0.652V diode drop between GND and one of the IO pins](https://hackaday.com/wp-content/uploads/2022/08/hadimg_eeprom_diodes_feat.jpeg?w=800)

[Jason P], evidently an enjoyer of old reliable laser printing tech, spilled a drink (nitter) onto his Panasonic KX-P5400 SideWriter. After cleanup, everything worked fine — except that the PSU’s […read more](https://hacka ... ⌘ [Read more](https://hackaday.com/2022/08/26/dead-eeprom-dumped-with-help-of-body-diodes/) 2022-08-27T08:00:00Z **DIY Video Transmitter Turned WiFi Jammer**
![](https://hackaday.com/wp-content/uploads/2022/08/video-tx-jammer.png?w=800)

The proliferation of FPV drones has brought a flood of cheap wireless video tech. After flying and crashing a cheap FPV drone for a bit, [GreatScott] decided to try his […read more](https://hackaday.com/2022/08/27/diy-video-transmitter-turned-wifi-jammer/) ⌘ [Read more](https://hackaday.com/2022/08/27/diy-video-transmitter-turned-wifi-jammer/) 2022-08-27T11:00:39Z **An Elegant Ethernet Library For Your Next RP2040 Project**
![The Pi Pico board on top of a white box with an Ethernet jack, with a sensor module plugged onto the Pico's pin headers. A black MicroUSB and a green Ethernet cable are connected to this device.](https://hackaday.com/wp-content/uploads/2022/08/hadimg_pico_10baset_feat.jpeg?w=800)

A few days ago we covered a project that brought Ethernet connectivity to the Raspberry Pi Pico using little more than some twisted pair and a ... ⌘ [Read more](https://hackaday.com/2022/08/27/an-elegant-ethernet-library-for-your-next-rp2040-project/) 2022-08-27T14:00:57Z **The Quiet Before the Storm?**
![](https://hackaday.com/wp-content/uploads/2020/05/ALICE.jpg?w=800)

My wife and I are reading a book about physics in the early 1900s. It’s half history of science and half biography of some of the most famous physicists, and […read more](https://hackaday.com/2022/08/27/the-quiet-before-the-storm/) ⌘ [Read more](https://hackaday.com/2022/08/27/the-quiet-before-the-storm/) 2022-08-27T17:00:37Z **Introducing FISSURE: A Toolbox for the RF Hacker**
![](https://hackaday.com/wp-content/uploads/2022/08/1280x720-vtime16_02-take2022-08-26-13.14.13.png?w=800)

No matter what the job at hand is, if you’re going to tackle it, you’re going to need the right kit of tools. And if your job includes making sense […read more](https://hackaday.com/2022/08/27/introducing-fissure-a-toolbox-for-the-rf-hacker/) ⌘ [Read more](https://hackaday.com/2022/08/27/introducing-fissure-a-toolbox-for-the-rf-hacker/) 2022-08-27T20:00:04Z **2022 Hackaday Prize: Boondock Echo Connects Your Radios with the Cloud**
![](https://hackaday.com/wp-content/uploads/2022/08/7110411660394712480-featured.jpg?w=800)

[Mark J Hughes] volunteers as a part of a local community fire watch which coordinates by radio. The La Habra Heights region of Los Angeles is an area of peaks […read more](https://hackaday.com/2022/08/27/2022-hackaday-prize-boondock-echo-connects-your-radios-with-the-cloud/) ⌘ [Read more](https://hackaday.com/2022/08/27/2022-hackaday-prize-boondock-echo-connects-your-radios-with-the-cloud/) 2022-08-27T23:00:13Z **YouTube Like It’s 1970s France with this Minitel-VCR Mashup**
![](https://hackaday.com/wp-content/uploads/2022/08/1280x720-vtime0_17-take2022-08-25-18.38.40.png?w=800)

When it’s not just sticking fake gears on things and calling it a day, the Steampunk look is pretty cool. Imagining technology in a world stuck with Victorian aesthetics is […read more](https://hackaday.com/2022/08/27/youtube-like-its-1970s-france-with-this-minitel-vcr-mashup/) ⌘ [Read more](https://hackaday.com/2022/08/27/youtube-like-its-1970s-france-with-this-minitel-vcr-mashup/) 2022-08-28T02:00:27Z **A Raspberry Pi Handheld Computer You Might Want To Use**
![](https://hackaday.com/wp-content/uploads/2022/08/pi-pad-featured.jpg?w=800)

Amid the many wonderful form factors being explored by the makers of cyberdecks, there’s one that’s emerged which harks back to an earlier generation of portable computers: the handheld pad […read more](https://hackaday.com/2022/08/27/a-raspberry-pi-handheld-computer-you-might-want-to-use/) ⌘ [Read more](https://hackaday.com/2022/08/27/a-raspberry-pi-handheld-computer-you-might-want-to-use/) 2022-08-28T05:00:22Z **Giant Keyboard Is Just Our Type**
![](https://hackaday.com/wp-content/uploads/2022/08/giant-keeb-800.jpeg?w=800)

We like big keyboards and we cannot lie, and we’ve seen some pretty big keyboards over the years. But this one — this one is probably the biggest working board […read more](https://hackaday.com/2022/08/27/giant-keyboard-is-just-our-type/) ⌘ [Read more](https://hackaday.com/2022/08/27/giant-keyboard-is-just-our-type/) 2022-08-28T08:00:01Z **High Speed RC Jet Car is a Harsh Teacher**
![](https://hackaday.com/wp-content/uploads/2022/08/jet-rc-car.png?w=800)

Making machines go fast has always been a seemingly unavoidable impulse for humans. With the advent of radio control, it’s possible to get a taste of the rush without putting […read more](https://hackaday.com/2022/08/28/high-speed-rc-jet-car-is-a-harsh-teacher/) ⌘ [Read more](https://hackaday.com/2022/08/28/high-speed-rc-jet-car-is-a-harsh-teacher/) 2022-08-28T11:00:17Z **LED Clock Uses Micro QR Codes to Show the Time**
![A clock displaying a micro QR code](https://hackaday.com/wp-content/uploads/2022/08/Micro-QR-clock.png?w=800)

As you probably know, we love our clocks here at Hackaday. Odd display technologies are always interesting to see, as are unusual encoding techniques such as binary, ternary or higher-radix […read more](https://hackaday.com/2022/08/28/led-clock-uses-micro-qr-codes-to-show-the-time/) ⌘ [Read more](https://hackaday.com/2022/08/28/led-clock-uses-micro-qr-codes-to-show-the-time/) 2022-08-28T14:00:37Z **Sleep Posture Monitor Warns You Away from Dangerous Positions**
![](https://hackaday.com/wp-content/uploads/2022/08/1280x720-vtime4_11-take2022-08-25-14.53.52.png?w=800)

Age, we’re told, is just a number, but that number seems to be the ever-increasing count of injuries of a ridiculous nature. Where once the younger version of us could […read more](https://hackaday.com/2022/08/28/sleep-posture-monitor-warns-you-away-from-dangerous-positions/) ⌘ [Read more](https://hackaday.com/2022/08/28/sleep-posture-monitor-warns-you-away-from-dangerous-positions/) 2022-08-28T17:00:21Z **Automate Your Desk with the Upsy Desky**
![](https://hackaday.com/wp-content/uploads/2022/08/desk-controller-main.png?w=800)

It might be surprising for some, but humans actually evolved to be long-distance runners. We aren’t very fast comparatively, but no other animal can run for as long or as […read more](https://hackaday.com/2022/08/28/automate-your-desk-with-the-upsy-desky/) ⌘ [Read more](https://hackaday.com/2022/08/28/automate-your-desk-with-the-upsy-desky/) 2022-08-28T20:00:59Z **Hackaday Prize 2022: Compact Solar Tracking System Doesn’t Break the Bank**
![](https://hackaday.com/wp-content/uploads/2022/08/low-cost-solar-tracker.jpg?w=800)

If you need to squeeze every available watt out of a solar panel, you’ll probably want to look into a solar tracking system. Unfortunately, they are usually quite large, heavy, […read more](https://hackaday.com/2022/08/28/hackaday-prize-2022-compact-solar-tracking-system-doesnt-break-the-bank/) ⌘ [Read more](https://hackaday.com/2022/08/28/hackaday-prize-2022-compact-solar-tracking-system-doesnt-break-the-bank/) 2022-08-28T23:00:07Z **Hackaday Links: August 28, 2022**
![Hackaday Links Column Banner](https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800)

The countdown for the first step on humanity’s return to the Moon has begun. The countdown for Artemis 1 started on Saturday morning, and if all goes well, the un-crewed […read more](https://hackaday.com/2022/08/28/hackaday-links-august-28-2022/) ⌘ [Read more](https://hackaday.com/2022/08/28/hackaday-links-august-28-2022/) 2022-08-29T02:00:41Z **Share Screen To RGB Panel With Pi Pico W**
![](https://hackaday.com/wp-content/uploads/2022/08/pico-w-rgb-monitor.png?w=800)

RGB LEDs are great for adding a bit of color to your life, and it’s even more satisfying to use a matrix of them as a graphic display. [bitluni] built […read more](https://hackaday.com/2022/08/28/share-screen-to-rgb-panel-with-pi-pico-w/) ⌘ [Read more](https://hackaday.com/2022/08/28/share-screen-to-rgb-panel-with-pi-pico-w/) 2022-08-29T05:00:10Z **A Pi Camera To Be Proud Of**
![](https://hackaday.com/wp-content/uploads/2022/08/pi-camera-featured.jpg?w=800)

The Raspberry Pi HQ camera has appeared in a variety of builds since its introduction back in 2020, and has brought with it many opportunities for photographic projects to compete […read more](https://hackaday.com/2022/08/28/a-pi-camera-to-be-proud-of/) ⌘ [Read more](https://hackaday.com/2022/08/28/a-pi-camera-to-be-proud-of/) 2022-08-29T08:00:19Z **Giant 3D Printer Aims to Produce Life-Sized Boat**
![](https://hackaday.com/wp-content/uploads/2022/08/3d-printer-main.jpg?w=800)

As 3D printers become more ubiquitous, the number of custom designs and styles of printers has skyrocketed. From different printing materials and technologies to the movements of the printing head, […read more](https://hackaday.com/2022/08/29/giant-3d-printer-aims-to-produce-life-sized-boat/) ⌘ [Read more](https://hackaday.com/2022/08/29/giant-3d-printer-aims-to-produce-life-sized-boat/) 2022-08-29T11:00:56Z **Six Shooter Swaps Powder for Popped Capacitors**
![](https://hackaday.com/wp-content/uploads/2022/08/capgun_feat.jpg?w=800)

Modern firearms might seem far removed from the revolvers of the Old West, but conceptually, they still operate on the same principle: exploding gunpowder. But as anyone who has put […read more](https://hackaday.com/2022/08/29/six-shooter-swaps-powder-for-popped-capacitors/) ⌘ [Read more](https://hackaday.com/2022/08/29/six-shooter-swaps-powder-for-popped-capacitors/) 2022-08-29T14:00:01Z **Visual Mandela Effect: You Don’t Know Iconic Images As Well As You Think**
![](https://hackaday.com/wp-content/uploads/2022/08/Mandela.jpg?w=800)

Pop quiz, hotshot: does the guy on the Monopoly box (standard edition) wear a monocle? Next question: does the Fruit of the Loom logo involve a cornucopia? And finally, does […read more](https://hackaday.com/2022/08/29/visual-mandela-effect-you-dont-know-iconic-images-as-well-as-you-think/) ⌘ [Read more](https://hackaday.com/2022/08/29/visual-mandela-effect-you-dont-know-iconic-images-as-well-as-you-think/) 2022-08-29T15:30:28Z **A Detonation Engine Prototyped Using Resin Printing**
![resin printed pulsejet engine in operation](https://hackaday.com/wp-content/uploads/2022/08/Snap-2022-08-27-at-21.41.33.png?w=800)

Over the years [Integza] has blown up or melted many types of jet engine, including the humble pulsejet. Earlier improvements revolved around pumping in more fuel, or forced air intakes, […read more](https://hackaday.com/2022/08/29/a-detonation-engine-prototyped-using-resin-printing/) ⌘ [Read more](https://hackaday.com/2022/08/29/a-detonation-engine-prototyped-using-resin-printing/) 2022-08-29T17:00:29Z **Review: Lidl Parkside Micrometer**
![](https://hackaday.com/wp-content/uploads/2022/08/lidl-micrometer-featured.jpg?w=800)

A couple of years ago we published a look at precision measurement tools, in particular vernier calipers and micrometer screw gauges. It featured a look at how they work and […read more](https://hackaday.com/2022/08/29/review-lidl-parkside-micrometer/) ⌘ [Read more](https://hackaday.com/2022/08/29/review-lidl-parkside-micrometer/) 2022-08-29T18:30:05Z **2022 Cyberdeck Contest: Steampunk Cyberdeck is Made From Wood, Leather, Brass and E-Paper**
![A retro-styled briefcase-shaped computer with an e-ink display](https://hackaday.com/wp-content/uploads/2022/08/Steampunk-Cyberdeck.jpg?w=712)

Laptop screens have come a long way ever since the first LCD-equipped portables hit the market back in the 1980s. But even today’s high-resolution, full-color screens are not ideal for […read more](https://hackaday.co ... ⌘ [Read more](https://hackaday.com/2022/08/29/2022-cyberdeck-contest-steampunk-cyberdeck-is-made-from-wood-leather-brass-and-e-paper/) 2022-08-29T20:00:45Z **Magic Eye Tubes Go Solid State with This Plug-In Replacement**
![](https://hackaday.com/wp-content/uploads/2022/08/Three_eye_crop.jpg?w=800)

Perhaps nothing added quite so much to the charm of vacuum tube circuits from back in the heyday of the vacuum tube as did the “Magic Eye” indicating tube. With […read more](https://hackaday.com/2022/08/29/magic-eye-tubes-go-solid-state-with-this-plug-in-replacement/) ⌘ [Read more](https://hackaday.com/2022/08/29/magic-eye-tubes-go-solid-state-with-this-plug-in-replacement/) 2022-08-29T23:00:24Z **$800 Mountain Bike Seat Post Chopped In Two**
![](https://hackaday.com/wp-content/uploads/2022/08/seatpost-main.png?w=800)

For those unfamiliar with the sport of mountain biking, it’s a wild hobby that is rife with hacking. It started in the early 70s when the first dedicated mountain bikers […read more](https://hackaday.com/2022/08/29/800-mountain-bike-seat-post-chopped-in-two/) ⌘ [Read more](https://hackaday.com/2022/08/29/800-mountain-bike-seat-post-chopped-in-two/) 2022-08-30T02:00:31Z **Genshin Security Impact**
![](https://hackaday.com/wp-content/uploads/2022/08/Genshin.png?w=800)

An MMORPG with cute anime-style characters and maybe a bit too much inspiration taken from another classic Nintento franchise, Genshin Impact is a relatively popular game across the PlayStation, iOS, […read more](https://hackaday.com/2022/08/29/genshin-security-impact/) ⌘ [Read more](https://hackaday.com/2022/08/29/genshin-security-impact/) 2022-08-30T05:00:24Z **A Primer For the Homebrew Game Boy Advance Scene**
![](https://hackaday.com/wp-content/uploads/2022/08/gba-homebrew-main.png?w=800)

As video game systems pass into antiquity, some of them turn out to make excellent platforms for homebrew gaming. Not only does modern technology make it easier to interact with […read more](https://hackaday.com/2022/08/29/a-primer-for-the-homebrew-game-boy-advance-scene/) ⌘ [Read more](https://hackaday.com/2022/08/29/a-primer-for-the-homebrew-game-boy-advance-scene/) 2022-08-30T08:00:15Z **A Beautiful DIY Guided Saw**
![DIY guide saw](https://hackaday.com/wp-content/uploads/2022/08/Snap-2022-08-29-at-21.41.40.png?w=800)

[JSK-koubou] has quite the talent for creative woodwork, particularly building interesting tools or improving existing ones. This recent project (multiple build videos below: part 1, part 2, and part 3) […read more](https://hackaday.com/2022/08/30/a-beautiful-diy-guided-saw/) ⌘ [Read more](https://hackaday.com/2022/08/30/a-beautiful-diy-guided-saw/) 2022-08-30T11:00:57Z **C64 Turned Theremin with a Handful of Parts**
![](https://hackaday.com/wp-content/uploads/2022/08/maxresdefault-3.jpg?w=800)

The theremin is popular for its eerie sound output and its non-contact playing style. While they’re typically built using analog hardware, [Linus Åkesson] decided to make one using the venerable […read more](https://hackaday.com/2022/08/30/c64-turned-theremin-with-a-handful-of-parts/) ⌘ [Read more](https://hackaday.com/2022/08/30/c64-turned-theremin-with-a-handful-of-parts/) 2022-08-30T14:00:46Z **Maiden Kansas City Keyboard Meetup Was a Clacking Good Time**
![](https://hackaday.com/wp-content/uploads/2022/08/20220827_130250_featured.png?w=800)

Wow! I can’t believe it already came and went — but the first annual (semi-annual?) Kansas City Keyboard Meetup was, in my opinion, a rousing success. And I think organizer […read more](https://hackaday.com/2022/08/30/maiden-kansas-city-keyboard-meetup-was-a-clacking-good-time/) ⌘ [Read more](https://hackaday.com/2022/08/30/maiden-kansas-city-keyboard-meetup-was-a-clacking-good-time/) 2022-08-30T15:30:18Z **Custom Printed Knobs in Just a Few Lines of Code**
![](https://hackaday.com/wp-content/uploads/2022/08/openscad_knob.png?w=800)

While not everyone is necessarily onboard for the CAD-via-code principle behind OpenSCAD, there’s no denying the software lends itself particularly well to parametric designs. Using a few choice variables, it’s […read more](https://hackaday.com/2022/08/30/custom-printed-knobs-in-just-a-few-lines-of-code/) ⌘ [Read more](https://hackaday.com/2022/08/30/custom-printed-knobs-in-just-a-few-lines-of-code/) 2022-08-30T17:00:21Z **Militaries Are Rushing To Get Anti-Drone Lasers Operational**
![](https://hackaday.com/wp-content/uploads/2022/08/DroneLaser.jpg?w=800)

Flying drones have been a part of modern warfare for a good few decades now. Initially, most of these drones were built by traditional military contractors and were primarily used […read more](https://hackaday.com/2022/08/30/militaries-are-rushing-to-get-anti-drone-lasers-operational/) ⌘ [Read more](https://hackaday.com/2022/08/30/militaries-are-rushing-to-get-anti-drone-lasers-operational/) 2022-08-30T18:30:46Z **Monitoring a Cat’s Litter Box Usage With AI**
![](https://hackaday.com/wp-content/uploads/2022/08/why-I-took-50000-pictures-of-my-cats-pooping-1-26-screenshot.png?w=800)

[Estefannie] is a proud cat owner, but one of her cats has a bad habit of eating plastic. That means she needs to keep an eye on that cat’s bowel […read more](https://hackaday.com/2022/08/30/monitoring-a-cats-litter-box-usage-with-ai/) ⌘ [Read more](https://hackaday.com/2022/08/30/monitoring-a-cats-litter-box-usage-with-ai/) 2022-08-30T20:00:37Z **An Amstrad Portable You Won’t Have Seen**
![](https://hackaday.com/wp-content/uploads/2022/08/cpc-portable-featured.jpg?w=800)

Of all the players in the home computer world in the 1980s, Alan Sugar’s Amstrad was a step ahead in ease of use over its competitors. The Amstrad CPC series […read more](https://hackaday.com/2022/08/30/an-amstrad-portable-you-wont-have-seen/) ⌘ [Read more](https://hackaday.com/2022/08/30/an-amstrad-portable-you-wont-have-seen/) 2022-08-30T23:00:55Z **LoRa Air Quality Monitor Raises the Bar on DIY IoT**
![](https://hackaday.com/wp-content/uploads/2022/08/aerq_feat.jpg?w=800)

We’ve seen an incredible number of homebrew environmental monitors here at Hackaday, and on the whole, they tend to follow a pretty predicable pattern. An ESP8266 gets paired with a […read more](https://hackaday.com/2022/08/30/lora-air-quality-monitor-raises-the-bar-on-diy-iot/) ⌘ [Read more](https://hackaday.com/2022/08/30/lora-air-quality-monitor-raises-the-bar-on-diy-iot/) 2022-08-31T02:00:31Z **Making a Pipe Crimper From Scrap**
![Finished pipe crimper made from recycled parts](https://hackaday.com/wp-content/uploads/2022/08/Snap-2022-08-30-at-17.07.56.png?w=800)

We love upcycling around these parts — taking what would be a pile of rusty scrap and turning it into something useful — and this project from YouTuber [Hands on […read more](https://hackaday.com/2022/08/30/making-a-pipe-crimper-from-scrap/) ⌘ [Read more](https://hackaday.com/2022/08/30/making-a-pipe-crimper-from-scrap/) 2022-08-31T05:00:34Z **Simple Hacks To Make LEGO Train Track Out of Other Pieces**
![](https://hackaday.com/wp-content/uploads/2022/08/How-to-make-Cheap-Lego-Train-Track-from-Regular-Lego-Now-100-LEGAL-2-4-screenshot.png?w=800)

LEGO trains are fun to play with, but as with any model train, you so seldom have enough track to fulfill your greatest desires. YouTuber [brick\_on\_the\_tracks] has come up with […read more](https://hackaday.com/2022/08/30/simple-hacks-to-make-lego-train-track-out-of-other-pi ... ⌘ [Read more](https://hackaday.com/2022/08/30/simple-hacks-to-make-lego-train-track-out-of-other-pieces/) 2022-08-31T08:00:10Z **Electromagnetic Field Drops 2022 Talk Videos**
![](https://hackaday.com/wp-content/uploads/2020/03/emf-end-featured.jpg?w=800)

Earlier this year we made the journey to a field in the West of England for the Electromagnetic Field hacker camp. It was the usual few days of fun in […read more](https://hackaday.com/2022/08/31/electromagnetic-field-drops-2022-talk-videos/) ⌘ [Read more](https://hackaday.com/2022/08/31/electromagnetic-field-drops-2022-talk-videos/) 2022-08-31T11:00:08Z **Building a Glowing Demon Core Lamp**
![](https://hackaday.com/wp-content/uploads/2022/08/pxl_20220810_202906814-e1661838623511.webp?w=800)

The so-called Demon Core was a cursed object, a 6.2 kilogram mass of plutonium intended to be installed in a nuclear weapon. Instead, slapdash experimental techniques saw it feature in several […read more](https://hackaday.com/2022/08/31/building-a-glowing-demon-core-lamp/) ⌘ [Read more](https://hackaday.com/2022/08/31/building-a-glowing-demon-core-lamp/) 2022-08-31T14:00:09Z **We Can’t Switch To Electric Cars Until We Get More Copper**
![](https://hackaday.com/wp-content/uploads/2022/08/Copper.jpg?w=800)

Reducing emissions from human activity requires a great deal of effort in many different sectors. When it comes to land transport, the idea is generally to eliminate vehicles powered by […read more](https://hackaday.com/2022/08/31/we-cant-switch-to-electric-cars-until-we-get-more-copper/) ⌘ [Read more](https://hackaday.com/2022/08/31/we-cant-switch-to-electric-cars-until-we-get-more-copper/) 2022-08-31T15:30:00Z **Water Level Sensor Does Not Use Water Level Sensor**
![](https://hackaday.com/wp-content/uploads/2022/08/water-level-main.jpg?w=800)

When interfacing with the real world, there are all kinds of sensors available which will readily communicate with your microcontroller of choice. Moisture, pH, humidity, temperature, location, light, and essentially […read more](https://hackaday.com/2022/08/31/water-level-sensor-does-not-use-water-level-sensor/) ⌘ [Read more](https://hackaday.com/2022/08/31/water-level-sensor-does-not-use-water-level-sensor/) 2022-08-31T17:00:03Z **Backup Camera, Digital Dash, Road Assist… in 1969?**
![](https://hackaday.com/wp-content/uploads/2022/08/holden1.png?w=800)

If your friend told you their car had a backup camera, a digital dashboard, climate control, could find radio stations, and even helped stay on the road, you wouldn’t think […read more](https://hackaday.com/2022/08/31/backup-camera-digital-dash-road-assist-in-1969/) ⌘ [Read more](https://hackaday.com/2022/08/31/backup-camera-digital-dash-road-assist-in-1969/) 2022-08-31T18:30:00Z **Hackaday Prize 2022: A Sun-Chasing Robot**
![](https://hackaday.com/wp-content/uploads/2022/08/8551141650059227754-2-e1661924301362.png?w=800)

There’s plenty of power to be had from the sun, but you need to be out of the shade to receive it. [Dennis] built a robot by the name of […read more](https://hackaday.com/2022/08/31/hackaday-prize-2022-a-sun-chasing-robot/) ⌘ [Read more](https://hackaday.com/2022/08/31/hackaday-prize-2022-a-sun-chasing-robot/) 2022-08-31T20:00:02Z **MH-Z19-like NDIR CO2 Sensor HC8 Found And Explored**
![](https://hackaday.com/wp-content/uploads/2022/08/co2sensor-dis-3-6LpSc-Y7Gt-orig.jpeg?w=800)

While on the search for an alternative to directly buying the fairly expensive MH-Z19 CO2 sensor, [spezifisch] came across a ‘BreeRainz’ branded gadget (also found under other brands) that claimed […read more](https://hackaday.com/2022/08/31/mh-z19-like-ndir-co2-sensor-hc8-found-and-explored/) ⌘ [Read more](https://hackaday.com/2022/08/31/mh-z19-like-ndir-co2-sensor-hc8-found-and-explored/) 2022-08-31T23:00:00Z **The Cheat Way To Perfectly Split an Oreo**
![](https://hackaday.com/wp-content/uploads/2022/08/The-Secret-Way-to-Perfectly-Splitting-an-Oreo-5-39-screenshot.png?w=800)

Believe it or not, much research has been done in how to perfectly split Oreos with an even amount of cream on both sides. Early studies suggested it simply wasn’t […read more](https://hackaday.com/2022/08/31/the-cheat-way-to-perfectly-split-an-oreo/) ⌘ [Read more](https://hackaday.com/2022/08/31/the-cheat-way-to-perfectly-split-an-oreo/) 2022-09-01T02:00:39Z **Solar Cells As Art Form**
![](https://hackaday.com/wp-content/uploads/2022/08/oscillator-art-main.png?w=800)

When most of us approach a project, we have a certain problem to solve. 3D printing, microcontrollers, batteries, and all kinds of technologies are usually tools to accomplish some task. […read more](https://hackaday.com/2022/08/31/solar-cells-as-art-form/) ⌘ [Read more](https://hackaday.com/2022/08/31/solar-cells-as-art-form/) 2022-09-01T05:00:00Z **Converting An Old ATV To Electric Drive**
![](https://hackaday.com/wp-content/uploads/2022/08/I-Bought-an-ATV-and-Made-It-Electric-6-59-screenshot-e1661847168924.png?w=800)

[RCLifeOn] happened upon an old petrol-powered ATV that had seen better days. He decided it was the perfect candidate for a conversion to electric drive. First up, the chassis was […read more](https://hackaday.com/2022/08/31/converting-an-old-atv-to-electric-drive/) ⌘ [Read more](https://hackaday.com/2022/08/31/converting-an-old-atv-to-electric-drive/) 2022-09-01T08:00:49Z **Rolling Sphere Robotic Arm Seems Serpentine**
![](https://hackaday.com/wp-content/uploads/2022/08/rolling-sphere-robot-arm.png?w=800)

Hinge joints are usually the simplest to use for robotic applications, but if you want motion that looks more organic, rolling joint (or rolling contact) mechanisms are worth a look. […read more](https://hackaday.com/2022/09/01/rolling-sphere-robotic-arm-seems-serpentine/) ⌘ [Read more](https://hackaday.com/2022/09/01/rolling-sphere-robotic-arm-seems-serpentine/) 2022-09-01T11:00:56Z **Custom Calculator Brings Us Back To The 70s**
![](https://hackaday.com/wp-content/uploads/2022/08/arduino-calculator-main.jpg?w=800)

There are certain design aesthetics from every era that manage to survive the fads of their time and live throughout history. Ancient Greek architecture is still drawn upon for design […read more](https://hackaday.com/2022/09/01/custom-calculator-brings-us-back-to-the-70s/) ⌘ [Read more](https://hackaday.com/2022/09/01/custom-calculator-brings-us-back-to-the-70s/) 2022-09-01T14:00:09Z **Iron Nitrides: Powerful Magnets Without the Rare Earth Elements**
![](https://hackaday.com/wp-content/uploads/2022/08/Magnetic_02.jpg?w=800)

Since their relatively recent appearance on the commercial scene, rare-earth magnets have made quite a splash in the public imagination. The amount of magnetic energy packed into these tiny, shiny […read more](https://hackaday.com/2022/09/01/iron-nitrides-powerful-magnets-without-the-rare-earth-elements/) ⌘ [Read more](https://hackaday.com/2022/09/01/iron-nitrides-powerful-magnets-without-the-rare-earth-elements/) 2022-09-01T15:30:00Z **It’s a Plane… It’s a Train… Um… It’s Both?**
![](https://hackaday.com/wp-content/uploads/2022/08/pod.png?w=800)

What kind of electric vehicle travels at 620 miles per hour (998 km/h)? According to Canadian and French company TransPot, their FluxJet will do it and they want to use […read more](https://hackaday.com/2022/09/01/its-a-plane-its-a-train-um-its-both/) ⌘ [Read more](https://hackaday.com/2022/09/01/its-a-plane-its-a-train-um-its-both/) 2022-09-01T17:00:53Z **Cogeneration And District Heating For Comfortable Homes And Happy Factories**
![The Akademik Lomonosov floating nuclear power plant, moored at Pevek, Russia. It provides power and heat to the isolated community.](https://hackaday.com/wp-content/uploads/2022/08/Akademik_Lomonosov_FNPP_at_Pevek.jpg?w=700)

Most of modern society’s energy usage is spent on heating in some form, whether it is to heat water, raise the temperature in a room, or for use in industrial [ ... ⌘ [Read more](https://hackaday.com/2022/09/01/cogeneration-and-district-heating-for-comfortable-homes-and-happy-factories/) 2022-09-01T18:30:00Z **Hackaday Prize 2022: A Spring-Driven Digital Movie Camera**
![](https://hackaday.com/wp-content/uploads/2022/08/5009591656659871776-e1661921471341.jpeg?w=800)

These days, most of us are carrying capable smartphones with high-quality cameras. It makes shooting video so easy as to take all the fun out of it. [AIRPOCKET] decided to […read more](https://hackaday.com/2022/09/01/hackaday-prize-2022-a-spring-driven-digital-movie-camera/) ⌘ [Read more](https://hackaday.com/2022/09/01/hackaday-prize-2022-a-spring-driven-digital-movie-camera/) 2022-09-01T20:00:53Z **Powering a Cellphone With Gasoline**
![](https://hackaday.com/wp-content/uploads/2022/08/8843211591244734144.png?w=800)

Batteries are a really useful way to store energy, but their energy density in regards to both weight and volume is disappointing. In these regards, they really can’t compete with […read more](https://hackaday.com/2022/09/01/powering-a-cellphone-with-gasoline/) ⌘ [Read more](https://hackaday.com/2022/09/01/powering-a-cellphone-with-gasoline/) 2022-09-01T23:00:30Z **Small Engine Failure Leads to Impromptu Teardown**
![](https://hackaday.com/wp-content/uploads/2022/08/predator_feat.jpg?w=800)

When the 6.5 HP (212 cc) Harbor Freight Predator engine in his kid’s go-kart gave up the ghost after some particularly hard driving, [HowToLou] figured it would be a good […read more](https://hackaday.com/2022/09/01/small-engine-failure-leads-to-impromptu-teardown/) ⌘ [Read more](https://hackaday.com/2022/09/01/small-engine-failure-leads-to-impromptu-teardown/) 2022-09-02T02:00:29Z **A Liquid Metal Fountain That Works at Room Temperature**
![A complex piece of laboratory glassware with liquid metal inside](https://hackaday.com/wp-content/uploads/2022/08/NaK-fountain.png?w=800)

A fountain is a great way of adding a little flair to an otherwise boring pond. All you need is a pump, a filter and some pipes, along with a […read more](https://hackaday.com/2022/09/01/a-liquid-metal-fountain-that-works-at-room-temperature/) ⌘ [Read more](https://hackaday.com/2022/09/01/a-liquid-metal-fountain-that-works-at-room-temperature/) 2022-09-02T05:00:23Z **LEGO Rig Makes Pretty Water Vortexes**
![](https://hackaday.com/wp-content/uploads/2022/08/maxresdefault-1-1.jpg?w=800)

LEGO and its Technic line is a great way to learn about all kinds of mechanical things, but it’s also just a whole lot of fun to play with. We […read more](https://hackaday.com/2022/09/01/lego-rig-makes-pretty-water-vortexes/) ⌘ [Read more](https://hackaday.com/2022/09/01/lego-rig-makes-pretty-water-vortexes/) 2022-09-02T08:00:02Z **The Ease of Wireless Charging, Without the Wait**
![](https://hackaday.com/wp-content/uploads/2022/08/wired-wireless-main.png?w=760)

Historically, there have been a few cases of useful wireless power transmission over great distances, like a team at MIT that was able to light up a 60 W bulb […read more](https://hackaday.com/2022/09/02/the-ease-of-wireless-charging-without-the-wait/) ⌘ [Read more](https://hackaday.com/2022/09/02/the-ease-of-wireless-charging-without-the-wait/) 2022-09-02T11:00:59Z **Truthsayer Uses Facial Recognition to See if You’re Telling the Truth**
![](https://hackaday.com/wp-content/uploads/2022/08/1280x720-vtime1_16-take2022-08-31-16.11.27.png?w=800)

It’s hard to watch [Mark Zuckerberg]’s 2018 Congressional testimony and not come to the conclusion that he is, at a minimum, quite a bit different than the average person. Of […read more](https://hackaday.com/2022/09/02/truthsayer-uses-facial-recognition-to-see-if-youre-telling-the-truth/) ⌘ [Read more](https://hackaday.com/2022/09/02/truthsayer-uses-facial-recognition-to-see-if-youre-telling-the-truth/) 2022-09-02T14:00:21Z **This Week in Security: Malicious Clipboards, Snakes on a Domain, and Binary Golf**
![](https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800)

There’s a bit of a panic regarding Chromium, Google Chrome, the system clipboard, and of all things, Google Doodles on the New Tab Page. It’s all about Chromium issue 1334203, […read more](https://hackaday.com/2022/09/02/this-week-in-security-malicious-clipboards-snakes-on-a-domain-and-binary-golf/) ⌘ [Read more](https://hackaday.com/2022/09/02/this-week-in-security-malicious-clipboards-snakes-on-a-domain-and-binary-golf/) 2022-09-02T15:30:30Z **Robot Brutally Chops But Makes Poor Guacamole**
![](https://hackaday.com/wp-content/uploads/2022/08/I-built-a-Mexican-robot-chef-8-5-screenshot.png?w=800)

Making guacamole by hand normally takes [Estefannie] about 9 minutes. Given her insatiable appetite for the delicious condiment, she spends a lot of time whipping it up in the kitchen […read more](https://hackaday.com/2022/09/02/robot-brutally-chops-but-makes-poor-guacamole/) ⌘ [Read more](https://hackaday.com/2022/09/02/robot-brutally-chops-but-makes-poor-guacamole/) 2022-09-02T17:00:33Z **This Week’s Hack Chat Sets the Stage for Supercon**
![](https://hackaday.com/wp-content/uploads/2022/08/Aug_18_Supercon2022EventbritePageBanner.png?w=800)

While the 2020 and 2021 Remoticons were a blast, we all know that virtual events are no substitute for in-person conferences. Which is why we’re so excited to once again […read more](https://hackaday.com/2022/09/02/this-weeks-hack-chat-sets-the-stage-for-supercon/) ⌘ [Read more](https://hackaday.com/2022/09/02/this-weeks-hack-chat-sets-the-stage-for-supercon/) 2022-09-02T18:30:18Z **Hackaday Prize 2022: A Cooler For Your Footwear**
![](https://hackaday.com/wp-content/uploads/2022/08/5819481661525966115.png?w=800)

Sweaty feet can be uncomfortable, and the smell generated in one’s shoes isn’t much to admire, either. In an effort to help solve this issue, [Revoxdyna] has created a cooler […read more](https://hackaday.com/2022/09/02/hackaday-prize-2022-a-cooler-for-your-footwear/) ⌘ [Read more](https://hackaday.com/2022/09/02/hackaday-prize-2022-a-cooler-for-your-footwear/) 2022-09-02T20:00:36Z **Magnetic Gearbox Can Go Fast But Not Hard**
![](https://hackaday.com/wp-content/uploads/2022/08/magnetic-flux-gearbox.png?w=800)

3D printed gearboxes are great for experimental designs, but due to roughness and inaccuracies in the printed surfaces, they can wear quickly and be rather noisy. As a possible alternative, […read more](https://hackaday.com/2022/09/02/magnetic-gearbox-can-go-fast-but-not-hard/) ⌘ [Read more](https://hackaday.com/2022/09/02/magnetic-gearbox-can-go-fast-but-not-hard/) 2022-09-02T23:00:26Z **Cutting The Grass With Frickin’ Lasers**
![](https://hackaday.com/wp-content/uploads/2022/09/Snap-2022-09-01-at-21.43.19.png?w=800)

We techie types are quite often much more comfortable in front of a keyboard knocking out code, than out in the yard splitting logs for winter, and even the little […read more](https://hackaday.com/2022/09/02/cutting-the-grass-with-frickin-lasers/) ⌘ [Read more](https://hackaday.com/2022/09/02/cutting-the-grass-with-frickin-lasers/) 2022-09-03T02:00:45Z **Fixing a Hot Shop, With Science**
![](https://hackaday.com/wp-content/uploads/2022/09/1280x720-vtime6_05-take2022-09-01-17.03.54.png?w=800)

We know that pretty much everybody in the Northern hemisphere has had a hellish summer, and there’s little room for sympathy when someone busts out with, “Oh yeah? You think […read more](https://hackaday.com/2022/09/02/fixing-a-hot-shop-with-science/) ⌘ [Read more](https://hackaday.com/2022/09/02/fixing-a-hot-shop-with-science/) 2022-09-03T05:00:38Z **3D Printing a Prosthetic-Compatible Golf Club**
![](https://hackaday.com/wp-content/uploads/2022/08/prosthetic-golf-club.png?w=800)

Relearning an old sport, or starting a new one, can be challenging for amputees. Besides the obvious physical aspects, custom prosthetics or adaptors might need to be made and fitted, […read more](https://hackaday.com/2022/09/02/3d-printing-a-prosthetic-compatible-golf-club/) ⌘ [Read more](https://hackaday.com/2022/09/02/3d-printing-a-prosthetic-compatible-golf-club/) 2022-09-03T08:00:49Z **Oops! All Analog Sticks**
![The controller being held in its creator's hand after the modification's been done. The controller is painted in blue-white-black camo-like style. Analog sticks are sticking out where the buttons used to be](https://hackaday.com/wp-content/uploads/2022/08/hadimg_oops_all_sticks_feat.jpeg?w=800)

Knowing his friend is a first-person shooter enthusiast, [Solderking] came up with a unique modified XBox controller as a gift. Tongue in cheek, you could argue that this controller is […read mo ... ⌘ [Read more](https://hackaday.com/2022/09/03/oops-all-analog-sticks/) 2022-09-03T11:00:31Z **Plotter Churns Out Labels with Roll of Tape**
![](https://hackaday.com/wp-content/uploads/2022/08/label-plotter-featured2.png?w=800)

Like it or not, organizing your workspace from time to time is a necessary chore. Labels can go a long way towards taming the most unruly of benches, but writing […read more](https://hackaday.com/2022/09/03/plotter-churns-out-labels-with-roll-of-tape/) ⌘ [Read more](https://hackaday.com/2022/09/03/plotter-churns-out-labels-with-roll-of-tape/) 2022-09-03T14:00:01Z **Streamlining The Toolchain**
![](https://hackaday.com/wp-content/uploads/2017/08/biologic.jpg?w=800)

Sometimes I try to do something magical, and it works. Most of the time this happens because other people have done a good part of the work for me, and […read more](https://hackaday.com/2022/09/03/streamlining-the-toolchain/) ⌘ [Read more](https://hackaday.com/2022/09/03/streamlining-the-toolchain/) 2022-09-03T17:00:25Z **This Pico-W IoT Starter Project Gets You Into Home Assistant Quick As A Flash**
![](https://hackaday.com/wp-content/uploads/2022/09/187091688-881e81df-606b-4417-91f5-e10f0567d1cd.gif?w=600)

Many of us hacker types with some hardware knowledge and a smattering of embedded experience would like to get into home automation, but there can be quite a learning curve. […read more](https://hackaday.com/2022/09/03/this-pico-w-iot-starter-project-gets-you-into-home-ass ... ⌘ [Read more](https://hackaday.com/2022/09/03/this-pico-w-iot-starter-project-gets-you-into-home-assistant-quick-as-a-flash/) 2022-09-03T20:00:18Z **Hackaday Prize 2022: Treadmill Becomes Human-Powered Generator**
![](https://hackaday.com/wp-content/uploads/2022/08/exporrunna.jpg?w=800)

Running on a treadmill is a great way to workout, but what if the effort you put in could be put to use? This treadmill generator from [Amitabh Shrivastava] does […read more](https://hackaday.com/2022/09/03/hackaday-prize-2022-treadmill-becomes-human-powered-generator/) ⌘ [Read more](https://hackaday.com/2022/09/03/hackaday-prize-2022-treadmill-becomes-human-powered-generator/) 2022-09-03T23:00:46Z **Nevermore Is What You Get When Engineers Design Air Filters for 3D Printers**
![](https://hackaday.com/wp-content/uploads/2022/09/Nevermore-Air-Filter.png?w=800)

What happens when an air filter for 3D printers gets designed by engineers with a passion for function, a refusal to compromise, and a desire to do without bad smells […read more](https://hackaday.com/2022/09/03/nevermore-is-what-you-get-when-engineers-design-air-filters-for-3d-printers/) ⌘ [Read more](https://hackaday.com/2022/09/03/nevermore-is-what-you-get-when-engineers-design-air-filters-for-3d-printers/) 2022-09-04T02:00:10Z **Machine Learning App Remembers Names So You Don’t Have To**
![](https://hackaday.com/wp-content/uploads/2022/09/1280x720-vtime2_55-take2022-09-02-14.20.45.png?w=800)

Depending on your point of view, real-life conversations with strangers can either be refreshing or terrifying. Some of us are glib and at ease in new social situations, while others […read more](https://hackaday.com/2022/09/03/machine-learning-app-remembers-names-so-you-dont-have-to/) ⌘ [Read more](https://hackaday.com/2022/09/03/machine-learning-app-remembers-names-so-you-dont-have-to/) 2022-09-04T05:00:27Z **Pretty Pico Macropad Eases Transition Back to Office**
![](https://hackaday.com/wp-content/uploads/2022/09/pi-pico-pad-800.jpg?w=800)

[Thomas “Mel” Maillioux] is no stranger to the custom mechanical keyboard game — and faced with having to return to the office, they decided to whip up a sweet little […read more](https://hackaday.com/2022/09/03/pretty-pico-macropad-eases-transition-back-to-office/) ⌘ [Read more](https://hackaday.com/2022/09/03/pretty-pico-macropad-eases-transition-back-to-office/) 2022-09-04T08:00:47Z **DIY Fume Extractor with ATtiny13 Speed Control**
![](https://hackaday.com/wp-content/uploads/2022/08/atfume_feat.jpg?w=800)

Let’s be honest, commercially-available soldering fume extractors are cheap enough that you probably don’t need to build one yourself. But it still makes for a good starter project, especially if […read more](https://hackaday.com/2022/09/04/diy-fume-extractor-with-attiny13-speed-control/) ⌘ [Read more](https://hackaday.com/2022/09/04/diy-fume-extractor-with-attiny13-speed-control/) 2022-09-04T11:00:43Z **Fail of the Week: Bronze-Brazed Wrought Iron**
![](https://hackaday.com/wp-content/uploads/2022/09/Bronze-Iron-800.jpg?w=800)

[Will Stelter], a promising young blacksmith working out of Montana, had a terrific idea for a unique composite material for finishing off a knife build. This build is a collaboration […read more](https://hackaday.com/2022/09/04/fail-of-the-week-bronze-brazed-wrought-iron/) ⌘ [Read more](https://hackaday.com/2022/09/04/fail-of-the-week-bronze-brazed-wrought-iron/) 2022-09-04T14:00:47Z **GP2040: A Configurable Game Pad Firmware**
![](https://hackaday.com/wp-content/uploads/2022/09/GP2040-800.png?w=800)

[feralAI] and fellow GitHub contributors present for your viewing pleasure GP2040: an open source game pad firmware for RP2040-based hardware. The dual-core RP2040 is a good platform to use for […read more](https://hackaday.com/2022/09/04/gp2040-a-configurable-game-pad-firmware/) ⌘ [Read more](https://hackaday.com/2022/09/04/gp2040-a-configurable-game-pad-firmware/) 2022-09-04T17:00:32Z **This Vintage Alphanumeric Display Was Huge, Hot, Heavy, and Expensive**
![](https://hackaday.com/wp-content/uploads/2022/09/pinliteminitrondriver.jpg?w=800)

It’s easy to take display technology for granted nowadays, but the ability to display data in a human-readable way was not always easy. This is demonstrated well by the Pinlite […read more](https://hackaday.com/2022/09/04/this-vintage-alphanumeric-display-was-huge-hot-heavy-and-expensive/) ⌘ [Read more](https://hackaday.com/2022/09/04/this-vintage-alphanumeric-display-was-huge-hot-heavy-and-expensive/) 2022-09-04T20:00:02Z **Hackaday Prize 2022: Drying Clothes With Ultrasound**
![](https://hackaday.com/wp-content/uploads/2022/08/8696911650671632447-e1661925122982.jpg?w=800)

Clothes dryers are great, and a key part of modern life, but they do use a lot of energy. [Mike Rigsby] decided to see if there was a more efficient […read more](https://hackaday.com/2022/09/04/hackaday-prize-2022-drying-clothes-with-ultrasound/) ⌘ [Read more](https://hackaday.com/2022/09/04/hackaday-prize-2022-drying-clothes-with-ultrasound/) 2022-09-04T23:00:46Z **Hackaday Links: September 4, 2022**
![Hackaday Links Column Banner](https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800)

Say what you will about Tesla, but there’s little doubt that the electric vehicle maker inspires a certain degree of fanaticism in owners. We’re used to the ones who can’t […read more](https://hackaday.com/2022/09/04/hackaday-links-september-4-2022/) ⌘ [Read more](https://hackaday.com/2022/09/04/hackaday-links-september-4-2022/) 2022-09-05T02:00:22Z **Magnetic Maniac Manages Mangled Memory**
![](https://hackaday.com/wp-content/uploads/2022/09/degauss-floppies-800.jpeg?w=800)

Ahh, floppy disks. Few things carry nostalgia quite like a floppy — either 3 1⁄2 or 5 1⁄4, depending on which generation of hacker you happen to be. (And yes, […read more](https://hackaday.com/2022/09/04/magnetic-maniac-manages-mangled-memory/) ⌘ [Read more](https://hackaday.com/2022/09/04/magnetic-maniac-manages-mangled-memory/) 2022-09-05T05:00:24Z **2022 Cyberdeck Contest: The Black Beast Will Help You Survive a Robot Apocalypse**
![A portable computer built inside a rugged carrying case](https://hackaday.com/wp-content/uploads/2022/09/Black-Beast.jpg?w=800)

With AI systems getting smarter every day, one might wonder if they might someday evolve into a sentient Skynet-like system and try to take over the world. We’re not sure […read more](https://hackaday.com/2022/09/04/2022-cyberdeck-contest-the-black ... ⌘ [Read more](https://hackaday.com/2022/09/04/2022-cyberdeck-contest-the-black-beast-will-help-you-survive-a-robot-apocalypse/) 2022-09-05T08:00:03Z **The 7805 is Dead! Long Live the 7805!**
![](https://hackaday.com/wp-content/uploads/2022/09/7805.png?w=800)

The 78XX series of regulators are very handy to use. If you need, say, a 5V regulator, you grab a 7805, add a capacitor for stability, and send in enough […read more](https://hackaday.com/2022/09/05/the-7805-is-dead-long-live-the-7805/) ⌘ [Read more](https://hackaday.com/2022/09/05/the-7805-is-dead-long-live-the-7805/) 2022-09-05T11:00:28Z **Why You’ve Never Heard About Nintendo’s U-Force**
![](https://hackaday.com/wp-content/uploads/2022/09/dont-touch-the-story-of-the-u-force-_-gaming-historian-evszksese-0mp4-shot0002_featured.png?w=800)

90’s kids think that the Power Glove was the coolest game peripheral of the epoch. We might have thought so too, until we saw the U-Force in this video about […read more](https://hackaday.com/2022/09/05/why-youve-never-heard-about-nintendos-u-force/) ⌘ [Read more](https://hackaday.com/2022/09/05/why-youve-never-heard-about-nintendos-u-force/) 2022-09-05T14:00:31Z **KittyOS: Writing A Toy OS For The ATmega168 From Scratch**
![](https://hackaday.com/wp-content/uploads/2022/09/hqdefault.jpg?w=480)

Writing an operating system for a computing platform is one of those non-trivial tasks few people actually need to do, regardless of whether it’s for a small microcontroller or a […read more](https://hackaday.com/2022/09/05/kittyos-writing-a-toy-os-for-the-atmega168-from-scratch/) ⌘ [Read more](https://hackaday.com/2022/09/05/kittyos-writing-a-toy-os-for-the-atmega168-from-scratch/) 2022-09-05T17:00:26Z **Nanoparticles Rip Hydrogen from Water**
![](https://hackaday.com/wp-content/uploads/2022/09/gal.png?w=726)

Hydrogen fuel is promising, and while there’s plenty of hydrogen in the air and water, the problem is extracting it. Researchers have developed a way to use aluminum nanoparticles to […read more](https://hackaday.com/2022/09/05/nanoparticles-rip-hydrogen-from-water/) ⌘ [Read more](https://hackaday.com/2022/09/05/nanoparticles-rip-hydrogen-from-water/) 2022-09-05T20:00:14Z **Hackaday Prize 2022: A Backup Battery Pack**
![](https://hackaday.com/wp-content/uploads/2022/08/178601583214432702-e1661923148176.jpg?w=800)

These days, we’re all running around toting smartphones and laptops that could always use a bit more charge. Portable battery packs have become popular, and [Anuradha] has designed one that […read more](https://hackaday.com/2022/09/05/hackaday-prize-2022-a-backup-battery-pack/) ⌘ [Read more](https://hackaday.com/2022/09/05/hackaday-prize-2022-a-backup-battery-pack/) 2022-09-05T23:00:54Z **Aluminium-Sulphur Batteries For Local Grid Storage?**
![](https://hackaday.com/wp-content/uploads/2022/09/MIT-Aluminum-Sulfur-Battery-01-PRESS_0-featured.png?w=800)

Lithium-Sulphur batteries have been on the cusp of commercial availability for a little while now, but nothing much has hit the shelves as of yet. There are still issues with […read more](https://hackaday.com/2022/09/05/aluminium-sulphur-batteries-for-local-grid-storage/) ⌘ [Read more](https://hackaday.com/2022/09/05/aluminium-sulphur-batteries-for-local-grid-storage/) 2022-09-06T02:00:33Z **Today’s the Day You Finally Learn Quaternions**
![](https://hackaday.com/wp-content/uploads/2022/09/q.png?w=800)

If you’ve ever dealt with orbital mechanics or sophisticated computer graphics, you’ve probably run across the math term quaternions. [Anyleaf] has a guide to the practical use of this math […read more](https://hackaday.com/2022/09/05/todays-the-day-you-finally-learn-quaternions/) ⌘ [Read more](https://hackaday.com/2022/09/05/todays-the-day-you-finally-learn-quaternions/) 2022-09-06T05:00:56Z **Food Safe 3D Printing: A Study**
![](https://hackaday.com/wp-content/uploads/2022/09/cc8676_5157242c87f542769fd75e125c15a645_mv2-featured.png?w=614)

[Matt Thomas] wanted to answer the question of whether 3D printed structures can be food-safe or even medical-safe, since there is an awful lot of opinion out there but not […read more](https://hackaday.com/2022/09/05/food-safe-3d-printing-a-study/) ⌘ [Read more](https://hackaday.com/2022/09/05/food-safe-3d-printing-a-study/) 2022-09-06T08:00:36Z **Digging Out An Underground Workshop**
![](https://hackaday.com/wp-content/uploads/2022/09/Digging-to-create-an-efficient-under-house-workshop-5-57-screenshot.png?w=800)

[Michael] of Teaching Tech moved, and with a large crawlspace under the house, he decided to turn it into a workshop. There were a few challenges that needed to be […read more](https://hackaday.com/2022/09/06/digging-out-an-underground-workshop/) ⌘ [Read more](https://hackaday.com/2022/09/06/digging-out-an-underground-workshop/) 2022-09-06T11:00:00Z **The Coolest 1990s Film Scanner To Work With Windows 11**
![](https://hackaday.com/wp-content/uploads/2022/09/film-scanner-featured.jpg?w=800)

Unless you happen to be a retro enthusiast, it’s fair to say that any photography you do (whether on your phone or a dedicated camera) is going to be digital. […read more](https://hackaday.com/2022/09/06/the-coolest-1990s-film-scanner-to-work-with-windows-11/) ⌘ [Read more](https://hackaday.com/2022/09/06/the-coolest-1990s-film-scanner-to-work-with-windows-11/) 2022-09-06T14:00:30Z **Stable Diffusion And Why It Matters**
![](https://hackaday.com/wp-content/uploads/2022/09/2022-09-01-22.15.42_featured.png?w=800)

You might not have heard about Stable Diffusion. As of writing this article, it’s less than a few weeks old. Perhaps you’ve heard about it and some of the hubbub […read more](https://hackaday.com/2022/09/06/stable-diffusion-and-why-it-matters/) ⌘ [Read more](https://hackaday.com/2022/09/06/stable-diffusion-and-why-it-matters/) 2022-09-06T15:00:00Z **Electric Surfboard Gets An Overhaul**
![](https://hackaday.com/wp-content/uploads/2022/09/This-Electric-Surfboard-Has-a-Secret-Inside-0-3-screenshot.png?w=800)

One of the realities of building your own hardware is that it will more often than not lead to constant tinkering and revisions. [Simon]’s 3D printed electric surfboard is no […read more](https://hackaday.com/2022/09/06/electric-surfboard-gets-an-overhaul/) ⌘ [Read more](https://hackaday.com/2022/09/06/electric-surfboard-gets-an-overhaul/) 2022-09-06T16:00:43Z **2022 Hackaday Prize: Save the World Wildcard Challenge Begins Now**
![](https://hackaday.com/wp-content/uploads/2022/09/Hackaday.com_article_banner_5.png?w=800)

Continuing the concept of saving planet Earth with gnarly, repeatable hacks, the fifth and final challenge of the 2022 Hackaday Prize is all about making the world better with smart […read more](https://hackaday.com/2022/09/06/2022-hackaday-prize-save-the-world-wildcard-challenge-begins-now/) ⌘ [Read more](https://hackaday.com/2022/09/06/2022-hackaday-prize-save-the-world-wildcard-challenge-begins-now/) 2022-09-06T17:00:40Z **Lithium-Ion Batteries Are Your Friends**
![](https://hackaday.com/wp-content/uploads/2022/09/Lithium.jpg?w=800)

Need some kind of battery for a project? You can always find a few Lithium-Ion (LiIon) batteries around! They’re in our phones, laptops, and a myriad other battery-powered things of […read more](https://hackaday.com/2022/09/06/lithium-ion-batteries-are-your-friends/) ⌘ [Read more](https://hackaday.com/2022/09/06/lithium-ion-batteries-are-your-friends/) 2022-09-06T18:30:21Z **Hackaday Prize 2022: DIY Landslide Warning System**
![](https://hackaday.com/wp-content/uploads/2022/08/9317781661490071763-e1661927089220.png?w=609)

Landslides can be highly dangerous to both people and property. As with most natural disasters, early warning can make all the difference. [Airpocket] has built a cheap, affordable system that […read more](https://hackaday.com/2022/09/06/hackaday-prize-2022-diy-landslide-warning-system/) ⌘ [Read more](https://hackaday.com/2022/09/06/hackaday-prize-2022-diy-landslide-warning-system/) 2022-09-06T20:00:06Z **Touch Tone MIDI Phone And Vocoder Covers Daft Punk**
![](https://hackaday.com/wp-content/uploads/2022/09/Touch-Tone-MIDI-Duo-Tone-0-2-screenshot.png?w=800)

[poprhythm]’s Touch Tone MIDI Phone is a fantastic conversion of an old touch tone phone into a MIDI instrument complete with intact microphone, but this project isn’t just about showing […read more](https://hackaday.com/2022/09/06/touch-tone-midi-phone-and-vocoder-covers-daft-punk/) ⌘ [Read more](https://hackaday.com/2022/09/06/touch-tone-midi-phone-and-vocoder-covers-daft-punk/) 2022-09-06T23:00:33Z **A Simple Web Configured BLE To GPIO Bridge**
![](https://hackaday.com/wp-content/uploads/2022/09/nrf51-featured.jpg?w=800)

[Daniel Dakhno] kept ending up in a situation where the ability to read the status of, or control a few digital IO pins with minimal effort, would be terribly useful. […read more](https://hackaday.com/2022/09/06/a-simple-web-configured-ble-to-gpio-bridge/) ⌘ [Read more](https://hackaday.com/2022/09/06/a-simple-web-configured-ble-to-gpio-bridge/) 2022-09-07T02:00:44Z **Tesla’s Dojo Is An Interesting CPU Design**
![](https://hackaday.com/wp-content/uploads/2022/09/dojo_arch.png?w=800)

What do you get when you cross a modern super-scalar out-of-order CPU core with more traditional microcontroller aspects such as no virtual memory, no memory cache, and no DDR or […read more](https://hackaday.com/2022/09/06/teslas-dojo-is-an-interesting-cpu-design/) ⌘ [Read more](https://hackaday.com/2022/09/06/teslas-dojo-is-an-interesting-cpu-design/) 2022-09-07T05:00:56Z **Retrotechtacular: Oh Boy! We’re Radio Engineers!**
![](https://hackaday.com/wp-content/uploads/2022/09/radio.png?w=800)

It is a shame that there are fewer and fewer “nerd stores” around. Fry’s is gone. Radio Shack is gone. But the best ones were always the places that had […read more](https://hackaday.com/2022/09/06/retrotechtacular-oh-boy-were-radio-engineers/) ⌘ [Read more](https://hackaday.com/2022/09/06/retrotechtacular-oh-boy-were-radio-engineers/) 2022-09-07T08:00:49Z **Organise Your Hacks With TreeSheets: An Open Source Hierarchical Spreadsheet**
![](https://hackaday.com/wp-content/uploads/2022/09/screenshot_todo-featured.png?w=800)

Some people may have heard of Dutch programmer [Wouter Van Oortmerssen] since he’s the creator of the Amiga-E programming language, as well as being involved with several game engines. Heard […read more](https://hackaday.com/2022/09/07/organise-your-hacks-with-treesheets-an-open-source-hierarchica ... ⌘ [Read more](https://hackaday.com/2022/09/07/organise-your-hacks-with-treesheets-an-open-source-hierarchical-spreadsheet/) 2022-09-07T11:00:28Z **“The Era Of Distributed, Independent Email Servers Is Over”**
![](https://hackaday.com/wp-content/uploads/2022/09/email-server-featured.jpg?w=800)

Imagine the Internet had begun its life as a proprietary network from a major software vendor rather than evolved as a distributed network shared by researchers. It’s a future that […read more](https://hackaday.com/2022/09/07/the-era-of-distributed-independent-email-servers-is-over/) ⌘ [Read more](https://hackaday.com/2022/09/07/the-era-of-distributed-independent-email-servers-is-over/) 2022-09-07T14:00:25Z **Agrivoltaics Is A Land Usage Hack For Maximum Productivity**
![](https://hackaday.com/wp-content/uploads/2022/09/Agrivoltaics.jpg?w=800)

Land tends to be a valuable thing. Outside of some weird projects in Dubai, by and large, they aren’t making any more of it. That means as we try to […read more](https://hackaday.com/2022/09/07/agrivoltaics-is-a-land-usage-hack-for-maximum-productivity/) ⌘ [Read more](https://hackaday.com/2022/09/07/agrivoltaics-is-a-land-usage-hack-for-maximum-productivity/) 2022-09-07T15:30:32Z **The Pocket265 is a Pocket-Sized 6502 Single-Board Computer**
![Front and back of a handheld 6502 computer with bubble LED displays](https://hackaday.com/wp-content/uploads/2022/09/Pocket265-front-and-back.jpg?w=800)

Single-board computers have been around ever since microprocessors became affordable in the 1970s and never went away. Today we have Raspberry Pis and LattePandas, while back in the ’70s and […read more](https://hackaday.com/2022/09/07/the-pocket265-is-a-pocket-size ... ⌘ [Read more](https://hackaday.com/2022/09/07/the-pocket265-is-a-pocket-sized-6502-single-board-computer/) 2022-09-07T17:00:08Z **Linux Fu: Eavesdropping on Serial**
![](https://hackaday.com/wp-content/uploads/2020/05/LinuxFu.jpg?w=800)

In the old days, if you wanted to snoop on a piece of serial gear, you probably had a serial monitor or, perhaps, an attachment for your scope or logic […read more](https://hackaday.com/2022/09/07/linux-fu-eavesdropping-on-serial/) ⌘ [Read more](https://hackaday.com/2022/09/07/linux-fu-eavesdropping-on-serial/) 2022-09-07T18:30:29Z **How To Be a Stinkin’ Chess Cheat — Sockfish**
![](https://hackaday.com/wp-content/uploads/2022/09/sockfish_feat.jpg?w=800)

[James Stanley] enjoys chess, isn’t terribly good at it, and has some dubious scruples. At least, that’s the setup for building Sockfish, a shoe-to-Pi interface to let you cheat at […read more](https://hackaday.com/2022/09/07/how-to-be-a-stinkin-chess-cheat-sockfish/) ⌘ [Read more](https://hackaday.com/2022/09/07/how-to-be-a-stinkin-chess-cheat-sockfish/) 2022-09-07T20:00:15Z **Ethersweep: An Easy-To-Deploy Ethernet Connected Stepper Controller**
![](https://hackaday.com/wp-content/uploads/2022/09/4365791662465022084-featured.png?w=800)

[Neumi] over on Hackaday.IO wanted a simple-to-use way to drive stepper motors, which could be quickly deployed in a wide variety of applications yet to be determined. The solution is […read more](https://hackaday.com/2022/09/07/ethersweep-an-easy-to-deploy-ethernet-connected-stepper-controller/) ⌘ [Read more](https://hackaday.com/2022/09/07/ethersweep-an-easy-to-deploy-ethernet-connected-stepper-controller/) 2022-09-07T23:00:22Z **The MOS 7600 Video Game Chip Gives Up Its Secrets**
![](https://hackaday.com/wp-content/uploads/2022/09/mos-7600-featured.jpg?w=800)

A good chip decapping and reverse engineering is always going to capture our interest, and when it comes from [Ken Shirriff] we know it’s going to be a particularly good […read more](https://hackaday.com/2022/09/07/the-mos-7600-video-game-chip-gives-up-its-secrets/) ⌘ [Read more](https://hackaday.com/2022/09/07/the-mos-7600-video-game-chip-gives-up-its-secrets/) 2022-09-08T02:00:05Z **Improve CD Sound by Shaving?**
![](https://hackaday.com/wp-content/uploads/2022/09/cd.png?w=800)

We always enjoy the odd things that people do to try to get better audio reproduction. Exotic cables, special amplifiers, and higher resolution digitization come to mind.  Most of this […read more](https://hackaday.com/2022/09/07/improve-cd-sound-by-shaving/) ⌘ [Read more](https://hackaday.com/2022/09/07/improve-cd-sound-by-shaving/) 2022-09-08T05:00:35Z **Interfacing Broken PS4 Controllers With A Replacement PCB**
![](https://hackaday.com/wp-content/uploads/2022/09/Making-Broken-PS4-Controllers-Useful-Again-6-35-screenshot-e1662551378166.png?w=800)

[Becky] had some PS4 controllers that were sadly no longer functional. However, most of the buttons and joysticks still appeared to be okay. Thus, she set about designing a replacement […read more](https://hackaday.com/2022/09/07/interfacing-broken-ps4-controllers-with-a-replacement-pc ... ⌘ [Read more](https://hackaday.com/2022/09/07/interfacing-broken-ps4-controllers-with-a-replacement-pcb/) 2022-09-08T08:00:50Z **Custom Lathe Tool Cuts Complex Oil Grooves**
![](https://hackaday.com/wp-content/uploads/2022/09/oilgroove_feat.jpg?w=800)

Oil grooves are used to lubricate the inside of a bearing, and can come in many forms — from a single hole that takes a few drops of oil, to […read more](https://hackaday.com/2022/09/08/machining-zig-zag-figure-8-oil-grooves/) ⌘ [Read more](https://hackaday.com/2022/09/08/machining-zig-zag-figure-8-oil-grooves/) 2022-09-08T11:00:30Z **Ask Hackaday: Stripping Wires with Lasers**
![](https://hackaday.com/wp-content/uploads/2016/06/howlasers.jpg?w=800)

Most of us strip the insulation off wires using some form of metal blade or blades. You can get many tools that do that, but you can also get by […read more](https://hackaday.com/2022/09/08/ask-hackaday-stripping-wires-with-lasers/) ⌘ [Read more](https://hackaday.com/2022/09/08/ask-hackaday-stripping-wires-with-lasers/) 2022-09-08T14:00:44Z **Don’t Be Salty: How To Make Desalination Work In Tomorrow’s World**
![](https://hackaday.com/wp-content/uploads/2022/09/Desalinization.jpg?w=800)

Although water is often scarce for human consumption and agriculture, this planet is three-quarters covered by the stuff. The problem is getting the salt out, and this is normally done […read more](https://hackaday.com/2022/09/08/dont-be-salty-how-to-make-desalination-work-in-tomorrows-world/) ⌘ [Read more](https://hackaday.com/2022/09/08/dont-be-salty-how-to-make-desalination-work-in-tomorrows-world/) 2022-09-08T15:30:18Z **Scroll Through ESPHome With iPod-style Click Wheel**
![](https://hackaday.com/wp-content/uploads/2022/09/clickremote_feat.jpg?w=800)

While you’d be hard pressed to find a Hackaday writer that feels any nostalgia for the DRM nonsense the iPod helped to introduce, we’ve got to admit that we miss […read more](https://hackaday.com/2022/09/08/scroll-through-esphome-with-ipod-style-click-wheel/) ⌘ [Read more](https://hackaday.com/2022/09/08/scroll-through-esphome-with-ipod-style-click-wheel/) 2022-09-08T17:18:29Z **The TAK Ecosystem: Military Coordination Goes Open Source**
![](https://hackaday.com/wp-content/uploads/2022/08/atak-eud.jpg?w=800)

In recent years you’ve probably seen a couple of photos of tablets and smartphones strapped to the armor of soldiers, especially US Special Forces. The primary app loaded on most […read more](https://hackaday.com/2022/09/08/the-tak-ecosystem-military-coordination-goes-open-source/) ⌘ [Read more](https://hackaday.com/2022/09/08/the-tak-ecosystem-military-coordination-goes-open-source/) 2022-09-08T18:30:25Z **Hackaday Prize 2022: Otter Force One Protects Kelp Forests by Sucking up Sea Urchins**
![A device with pipes and pumps sitting next to a body of water](https://hackaday.com/wp-content/uploads/2022/09/Otter-Force-One.jpg?w=800)

When thinking about forests being endangered by human activity, most people would immediately think of the rainforest. Below the ocean surface, there’s another type of forest is in danger: the […read more](https://hackaday.com/202 ... ⌘ [Read more](https://hackaday.com/2022/09/08/hackaday-prize-2022-otter-force-one-protects-kelp-forests-by-sucking-up-sea-urchins/) 2022-09-08T20:00:51Z **ADSL Router As Effects Pedal**
![](https://hackaday.com/wp-content/uploads/2022/09/modem-effects-main.jpg?w=800)

Moore’s law might not be as immutable as we once though thought it was, as chip makers struggle to fit more and more transistors on a given area of silicon. […read more](https://hackaday.com/2022/09/08/adsl-router-as-effects-pedal/) ⌘ [Read more](https://hackaday.com/2022/09/08/adsl-router-as-effects-pedal/) 2022-09-08T23:00:25Z **Troubleshooting Barcodes: A Lesson in Critical Thinking**
![](https://hackaday.com/wp-content/uploads/2022/09/bar.png?w=800)

We’ve all been there. Something that is known to work doesn’t work out in the field. But back at home base, it works fine. How do you fix it? Of […read more](https://hackaday.com/2022/09/08/troubleshooting-barcodes-a-lesson-in-critical-thinking/) ⌘ [Read more](https://hackaday.com/2022/09/08/troubleshooting-barcodes-a-lesson-in-critical-thinking/) 2022-09-09T02:00:49Z **Tracking Weather Balloons with SDR**
![](https://hackaday.com/wp-content/uploads/2022/09/wxbal.png?w=800)

The advent of cheap software-defined radio hardware means that what would have once been an exotic expensive undertaking can now be relatively cheap. [David] notes that using some pretty simple […read more](https://hackaday.com/2022/09/08/tracking-weather-balloons-with-sdr/) ⌘ [Read more](https://hackaday.com/2022/09/08/tracking-weather-balloons-with-sdr/) 2022-09-09T05:00:14Z **Your Car Gets Hot When Left In The Sun. Hot Enough To Cook?**
![](https://hackaday.com/wp-content/uploads/2022/09/car-bread-featured.jpg?w=800)

In hot weather, those of us who drive are familiar with the sensation of getting into the car and having it feel like an oven inside. A car is a […read more](https://hackaday.com/2022/09/08/your-car-gets-hot-when-left-in-the-sun-hot-enough-to-cook/) ⌘ [Read more](https://hackaday.com/2022/09/08/your-car-gets-hot-when-left-in-the-sun-hot-enough-to-cook/) 2022-09-09T08:00:08Z **Upcycling Flat Scraps with Open Source Tools**
![](https://hackaday.com/wp-content/uploads/2022/09/scrap-e1662694156670.png?w=800)

If you have any sort of device that cuts like a CNC mill or a laser cutter, you probably generate a lot of strange-looking scrap material. Most of us hate […read more](https://hackaday.com/2022/09/09/upcycling-flat-scraps-with-open-source-tools/) ⌘ [Read more](https://hackaday.com/2022/09/09/upcycling-flat-scraps-with-open-source-tools/) 2022-09-09T11:00:38Z **Apple’s Satellite Emergency Texts, How Do They Work?**
![](https://hackaday.com/wp-content/uploads/2022/09/apple-sat-featured.jpg?w=800)

There is always some hype surrounding an Apple product announcement, and while maybe it’s not in the same league as those for the original iPod or iPhone, their iPhone 14 […read more](https://hackaday.com/2022/09/09/apples-satellite-emergency-texts-how-do-they-work/) ⌘ [Read more](https://hackaday.com/2022/09/09/apples-satellite-emergency-texts-how-do-they-work/) 2022-09-09T14:00:59Z **This Week in Security: One-click, UPnP, Mainframes, and Exploring the Fog**
![](https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800)

A couple weeks ago we talked about inn-app browsers, and the potential privacy issues when opening content in them. This week Microsoft reveals the other side of that security coin […read more](https://hackaday.com/2022/09/09/this-week-in-security-one-click-upnp-mainframes-and-exploring-the-fog/) ⌘ [Read more](https://hackaday.com/2022/09/09/this-week-in-security-one-click-upnp-mainframes-and-exploring-the-fog/) 2022-09-09T15:00:00Z **Ztachip Accelerates Tensorflow and Image Workloads**
![](https://hackaday.com/wp-content/uploads/2022/09/obj_detect.gif?w=750)

[Vuong Nguyen] clearly knows his way around artificial intelligence accelerator hardware, creating ztachip: an open source implementation of an accelerator platform for AI and traditional image processing workloads. Ztachip (pronounced […read more](https://hackaday.com/2022/09/09/ztachip-accelerates-tensorflow-and-image-workloads/) ⌘ [Read more](https://hackaday.com/2022/09/09/ztachip-accelerates-tensorflow-and-image-workloads/) 2022-09-09T16:00:32Z **Hackaday Podcast 184: What is Art, Bulk Tape Eraser Go Brr, and the Death of Email**
![](https://hackaday.com/wp-content/uploads/2016/05/microphone.jpg?w=800)

This week, Editor-in-Chief Elliot Williams and Assignments Editor Kristina Panos had a lot of fun discussing the best of the previous week’s hacks in spite of Elliot’s microphone connectivity troubles. […read more](https://hackaday.com/2022/09/09/hackaday-podcast-184-what-is-art-bulk-tape-eraser-go-br ... ⌘ [Read more](https://hackaday.com/2022/09/09/hackaday-podcast-184-what-is-art-bulk-tape-eraser-go-brr-and-the-death-of-email/) 2022-09-09T17:00:54Z **Frank Drake’s Legacy, Or: Are We All Alone In The Universe?**
![](https://hackaday.com/wp-content/uploads/2015/10/voyagerrecord-featured.jpg?w=800)

When Frank Drake began his astronomy career in the late 1950s, this was an incredibly exciting time for the field. Humanity was beginning to unlock the secrets of the Universe […read more](https://hackaday.com/2022/09/09/frank-drakes-legacy-or-are-we-all-alone-in-the-universe/) ⌘ [Read more](https://hackaday.com/2022/09/09/frank-drakes-legacy-or-are-we-all-alone-in-the-universe/) 2022-09-09T18:30:43Z **Ultra-Thin Rubber Parts Made with a 3D Printed Plug**
![](https://hackaday.com/wp-content/uploads/2022/09/thinrubber_feat.jpg?w=800)

We generally think of 3D printed components as being hard bits of plastic, because for the most part, that’s what we’ve got loaded up in our desktop machines. But outside […read more](https://hackaday.com/2022/09/09/ultra-thin-rubber-parts-made-with-a-3d-printed-plug/) ⌘ [Read more](https://hackaday.com/2022/09/09/ultra-thin-rubber-parts-made-with-a-3d-printed-plug/) 2022-09-09T20:00:16Z **Bootstrapping the Old Fashioned Way**
![](https://hackaday.com/wp-content/uploads/2022/09/AMSAI.png?w=800)

The PDP-11, the Altair 8800, and the IMSAI 8080 were some of the heroes of the computer revolution, and they have something in common — front panel switches, and a […read more](https://hackaday.com/2022/09/09/bootstrapping-the-old-fashioned-way/) ⌘ [Read more](https://hackaday.com/2022/09/09/bootstrapping-the-old-fashioned-way/) 2022-09-09T23:00:33Z **The Internet Without the Computer: 1990s Style**
![](https://hackaday.com/wp-content/uploads/2022/09/aud.png?w=800)

We think of the Internet extending to small devices as a modern trend, but it actually is a good example of how everything makes a circle. Today, we want the […read more](https://hackaday.com/2022/09/09/the-internet-without-the-computer-1990s-style/) ⌘ [Read more](https://hackaday.com/2022/09/09/the-internet-without-the-computer-1990s-style/) 2022-09-10T02:00:00Z **Motorcycle Builder Makes Downhill Mountain Bike**
![](https://hackaday.com/wp-content/uploads/2022/09/millyard-bike-main.jpg?w=800)

[Allen Millyard] is a premier British motorcycle builder. In these circles he is widely regarded and his custom motorcycles are nearly world-famous. But when his son took up downhill mountain […read more](https://hackaday.com/2022/09/09/motorcycle-builder-makes-downhill-mountain-bike/) ⌘ [Read more](https://hackaday.com/2022/09/09/motorcycle-builder-makes-downhill-mountain-bike/) 2022-09-10T05:00:00Z **The Filamentmeter: For When You Absolutely Want to Count Every Meter Used**
![](https://hackaday.com/wp-content/uploads/2022/09/Filamentmeter-0-47-screenshot.png?w=800)

[ArduinoNmore] took an interesting approach to designing a counter intended to accurately display how many meters of filament a 3D printer has used. The Filamentmeter looks a little bit like […read more](https://hackaday.com/2022/09/09/the-filamentmeter-for-when-you-absolutely-want-to-count-every-m ... ⌘ [Read more](https://hackaday.com/2022/09/09/the-filamentmeter-for-when-you-absolutely-want-to-count-every-meter-used/) 2022-09-10T08:00:00Z **Diff Tool Knows What You Mean**
![](https://hackaday.com/wp-content/uploads/2022/09/diff.png?w=800)

We will admit to not being particularly artistic, but we do remember an art teacher telling us that sometimes it is better to draw what isn’t there instead of what’s […read more](https://hackaday.com/2022/09/10/diff-tool-knows-what-you-mean/) ⌘ [Read more](https://hackaday.com/2022/09/10/diff-tool-knows-what-you-mean/) 2022-09-10T11:00:57Z **The Big List of Naughty Strings Helps Find Those User Input Problems**
![](https://hackaday.com/wp-content/uploads/2016/06/xss_main.jpg?w=800)

Any software that accepts user input must take some effort to sanitize incoming data, lest unexpected and unwelcome things happen. Here to make that easier is the Big List of […read more](https://hackaday.com/2022/09/10/the-big-list-of-naughty-strings-helps-find-those-user-input-problems/) ⌘ [Read more](https://hackaday.com/2022/09/10/the-big-list-of-naughty-strings-helps-find-those-user-input-problems/) 2022-09-10T14:00:25Z **Who is Responsible for Your Safety?**
![](https://hackaday.com/wp-content/uploads/2017/08/ignition.jpg?w=800)

We recently posted a video where some ingenious metal-shop hackers made a simple jig to create zig-zag oil grooves on the inside of a cylinder, and the comment section went […read more](https://hackaday.com/2022/09/10/who-is-responsible-for-your-safety/) ⌘ [Read more](https://hackaday.com/2022/09/10/who-is-responsible-for-your-safety/) 2022-09-10T17:00:08Z **2022 Cyberdeck Contest: The Folding Mini-Deck**
![](https://hackaday.com/wp-content/uploads/2022/09/tiny-cyberdeck-featured.jpg?w=800)

The trend for cyberdecks has brought us many takes on the home-made portable computers, but it’s fair to say that some of them can be rather unwieldy. This is not […read more](https://hackaday.com/2022/09/10/2022-cyberdeck-contest-the-folding-mini-deck/) ⌘ [Read more](https://hackaday.com/2022/09/10/2022-cyberdeck-contest-the-folding-mini-deck/) 2022-09-10T20:00:00Z **The Open Source Rotary Cell Phone, Two Years Later**
![](https://hackaday.com/wp-content/uploads/2022/09/unsmart_feat.jpg?w=800)

We know the pandemic has screwed with a lot of people’s sense of time, but we doubled checked, and it has indeed been more than two years since the Internet […read more](https://hackaday.com/2022/09/10/the-open-source-rotary-cell-phone-two-years-later/) ⌘ [Read more](https://hackaday.com/2022/09/10/the-open-source-rotary-cell-phone-two-years-later/) 2022-09-10T23:00:09Z **London Bridge Has Fallen — By Radio**
![](https://hackaday.com/wp-content/uploads/2022/09/queen-radio-featured.jpg?w=800)

One of the global news stories this week has been the passing of the British monarch, Queen Elizabeth II. Since she had recently celebrated 70 years on the throne, the […read more](https://hackaday.com/2022/09/10/london-bridge-has-fallen-by-radio/) ⌘ [Read more](https://hackaday.com/2022/09/10/london-bridge-has-fallen-by-radio/) 2022-09-11T02:00:00Z **Understanding Wavelets**
![](https://hackaday.com/wp-content/uploads/2022/09/wave.png?w=800)

Mathematical transforms can be a great help in understanding signals. Imaging trying to look at a complex waveform and figuring out the frequency components without the Fourier transform. [Artem Kirsanov] […read more](https://hackaday.com/2022/09/10/understanding-wavelets/) ⌘ [Read more](https://hackaday.com/2022/09/10/understanding-wavelets/) 2022-09-11T05:00:00Z **Flexible Radiation Monitoring System Speaks LoRa and WiFi**
![A black PCB with an ESP32 and an SBM-20 geiger counter](https://hackaday.com/wp-content/uploads/2022/09/IoT-Geiger-Counter.jpg?w=800)

Radioactivity has always been a fascinating phenomenon for anyone interested in physics, and as a result we’ve featured many radioactivity-related projects on these pages over the years. More recently however, […read more](https://hackaday.com/2022/09/10/flexible-radiation-monitoring-sy ... ⌘ [Read more](https://hackaday.com/2022/09/10/flexible-radiation-monitoring-system-speaks-lora-and-wifi/) 2022-09-11T08:00:00Z **Renewable Hydrogen Sucked From Thinish Air**
![](https://hackaday.com/wp-content/uploads/2022/09/41467_2022_32652_Fig2_HTML-featured.png?w=800)

Stored hydrogen is often touted as the ultimate green energy solution, provided the hydrogen is produced from genuinely green power sources. But there are technical problems to be overcome before […read more](https://hackaday.com/2022/09/11/renewable-hydrogen-sucked-from-thinish-air/) ⌘ [Read more](https://hackaday.com/2022/09/11/renewable-hydrogen-sucked-from-thinish-air/) 2022-09-11T11:00:00Z **Full Transparency: Stronger FDM Prints**
![](https://hackaday.com/wp-content/uploads/2022/09/clear.png?w=800)

We always look forward to [Stefan’s] CNC Kitchen videos. They are usually useful, but always carefully thought out and backed with experimental data. His latest is about creating transparent and […read more](https://hackaday.com/2022/09/11/full-transparency-stronger-fdm-prints/) ⌘ [Read more](https://hackaday.com/2022/09/11/full-transparency-stronger-fdm-prints/) 2022-09-11T14:00:00Z **A Crowned Pulley Keeps Robot’s Treads On Track**
![](https://hackaday.com/wp-content/uploads/2022/09/My-3D-Printed-Robot-sucked...-so-I-made-an-UNBEATABLE-one-12-11-screenshot.png?w=800)

[Angus] at Maker’s Muse recently created a new and tiny antweight combat robot (video, embedded below) and it has some wonderfully clever design elements we’d like to highlight. In particular: […read more](https://hackaday.com/2022/09/11/a-crowned-pulley-keeps-robots-treads-on-track/) ⌘ [Read more](https://hackaday.com/2022/09/11/a-crowned-pulley-keeps-robots-treads-on-track/) 2022-09-11T17:00:00Z **Hackaday Prize 2022: Using Infrared Thermometers to Measure Crops’ Water Stress**
![A display in a field showing the water stress index over time](https://hackaday.com/wp-content/uploads/2022/09/Crop-Water-Stress-Sensor.jpg?w=800)

If you live anywhere on the Northern Hemisphere, you’re likely to have experienced one of the many heatwaves that occurred this summer. Extreme heat is dangerous for humans and animals, […read more](https://hackaday.com/2022/09/11/h ... ⌘ [Read more](https://hackaday.com/2022/09/11/hackaday-prize-2022-using-infrared-thermometers-to-measure-crops-water-stress/) 2022-09-11T20:00:00Z **Engraving a Puzzle Box? Here’s a Collection of Single-Line Cryptex Fonts**
![](https://hackaday.com/wp-content/uploads/2022/09/The-Antikythera-Tablets-0-42-screenshot.png?w=800)

Here’s a neat resource from [MSRaynsford] that is worth bookmarking for anyone who gets creative with laser engravers, CNC routers, or drawing robots: SVGFonts are single-line symbol fonts that [MSRaynsford] […read more](https://hackaday.com/2022/09/11/engraving-a-puzzle-box-heres-a-collecti ... ⌘ [Read more](https://hackaday.com/2022/09/11/engraving-a-puzzle-box-heres-a-collection-of-single-line-cryptex-fonts/) 2022-09-11T23:00:26Z **Hackaday Links: September 11, 2022**
![Hackaday Links Column Banner](https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800)

Good news out of Mars from the little lunchbox that could — in the seven times that MOXIE has run since it arrived in February 2021, it has reached its […read more](https://hackaday.com/2022/09/11/hackaday-links-september-11-2022/) ⌘ [Read more](https://hackaday.com/2022/09/11/hackaday-links-september-11-2022/) 2022-09-12T02:00:00Z **If The Blade Sees Its Shadow, It’s Another 64th of Accuracy**
![](https://hackaday.com/wp-content/uploads/2022/09/fisher_shadow_miter_large.png?w=800)

If you’ve bought a miter saw in the past few years, you might have noticed the LED “laser” that came with it. The goal was to show where on the […read more](https://hackaday.com/2022/09/11/if-the-blade-sees-its-shadow-its-another-64th-of-accuracy/) ⌘ [Read more](https://hackaday.com/2022/09/11/if-the-blade-sees-its-shadow-its-another-64th-of-accuracy/) 2022-09-12T05:00:00Z **3D Printing for Textile Work**
![](https://hackaday.com/wp-content/uploads/2022/09/sock.png?w=800)

While it isn’t for everyone, some of the best creators we know are experts at working with textiles. While the art is ancient, it isn’t easy and requires clever tools. […read more](https://hackaday.com/2022/09/11/3d-printing-for-textile-work/) ⌘ [Read more](https://hackaday.com/2022/09/11/3d-printing-for-textile-work/) 2022-09-12T08:00:39Z **What Every PCB Designer Needs To Know About Track Impedance With Eric Bogatin**
![](https://hackaday.com/wp-content/uploads/2022/09/Snap-2022-09-11-at-21.55.52.png?w=800)

PCB design starts off being a relatively easy affair — you create a rectangular outline, assign some component footprints, run some traces, and dump out some Gerber files to send […read more](https://hackaday.com/2022/09/12/what-every-pcb-designer-needs-to-know-about-track-impedance-with-eri ... ⌘ [Read more](https://hackaday.com/2022/09/12/what-every-pcb-designer-needs-to-know-about-track-impedance-with-eric-bogatin/) 2022-09-12T11:00:00Z **Finally We Can Watch The Deere Cracking Def Con Talk**
![](https://hackaday.com/wp-content/uploads/2022/09/doom-on-deere-featured.jpg?w=800)

A few weeks ago, some tantalising social media posts emerged from a Def Con talk, in which [Sick Codes] broke into the screen control unit for a John Deere tractor […read more](https://hackaday.com/2022/09/12/finally-we-can-watch-the-deere-cracking-def-con-talk/) ⌘ [Read more](https://hackaday.com/2022/09/12/finally-we-can-watch-the-deere-cracking-def-con-talk/) 2022-09-12T14:00:57Z **Robotic Surgeons Are Showing Hints Of One Day Outperforming Humans**
![](https://hackaday.com/wp-content/uploads/2022/09/Surgeon.jpg?w=800)

When it comes to fields that are considered the most complex of human endeavours, the most typically cited are those of rocket science and brain surgery. Indeed, to become a […read more](https://hackaday.com/2022/09/12/robotic-surgeons-are-showing-hints-of-one-day-outperforming-humans/) ⌘ [Read more](https://hackaday.com/2022/09/12/robotic-surgeons-are-showing-hints-of-one-day-outperforming-humans/) 2022-09-12T15:30:07Z **The Philly Maker Faire is Back and Wants Your Hacks**
![](https://hackaday.com/wp-content/uploads/2022/09/philly_skyline.jpg?w=800)

After two years of waiting out the COVID-19 pandemic, the Philadelphia Maker Faire is officially back for 2022. The one-day event will take place on Saturday, the 15th of October, […read more](https://hackaday.com/2022/09/12/the-philly-maker-faire-is-back-and-wants-your-hacks/) ⌘ [Read more](https://hackaday.com/2022/09/12/the-philly-maker-faire-is-back-and-wants-your-hacks/) 2022-09-12T17:00:50Z **Git Intro For Hardware Hackers**
![](https://hackaday.com/wp-content/uploads/2022/09/kicad_github-2.png?w=800)

Git is a wonderful tool that can multiply your project’s impact, or make your project easier to manage by an order of magnitude. Some of us hackers don’t yet know […read more](https://hackaday.com/2022/09/12/git-intro-for-hardware-hackers/) ⌘ [Read more](https://hackaday.com/2022/09/12/git-intro-for-hardware-hackers/) 2022-09-12T18:30:00Z **Arduino Nano Powers Reverse Polish Notation Calculator**
![](https://hackaday.com/wp-content/uploads/2022/09/SB116-Box.jpg?w=800)

There’s something about Reverse Polish Notation (RPN) and the calculators that use it. It calls to mind a time when a calculator was a serious tool, and not just a […read more](https://hackaday.com/2022/09/12/arduino-nano-powers-reverse-polish-notation-calculator/) ⌘ [Read more](https://hackaday.com/2022/09/12/arduino-nano-powers-reverse-polish-notation-calculator/) 2022-09-12T20:00:22Z **The Hunt for a Rare Version Of IBM’s OS/2**
![](https://hackaday.com/wp-content/uploads/2022/09/os2-slovenia-featured.jpg?w=800)

Slovenian OS/2 Warp 4 was a popular OS choice in that European country back in the day, but could the Slovenian Computer Museum lay their hands on a copy? In […read more](https://hackaday.com/2022/09/12/the-hunt-for-a-rare-version-of-ibms-os-2/) ⌘ [Read more](https://hackaday.com/2022/09/12/the-hunt-for-a-rare-version-of-ibms-os-2/) 2022-09-12T23:00:41Z **Blue Origin Loses Rocket, Gains Abort System Test**
![](https://hackaday.com/wp-content/uploads/2022/09/ns23_feat.jpg?w=800)

Even if you’re just making a brief hop over the Kármán line to gain a few minutes of weightlessness, getting to space is hard. Just in case any of their […read more](https://hackaday.com/2022/09/12/blue-origin-loses-rocket-gains-abort-system-test/) ⌘ [Read more](https://hackaday.com/2022/09/12/blue-origin-loses-rocket-gains-abort-system-test/) 2022-09-13T02:00:46Z **Equalize Your Listening With HiFiScan**
![](https://hackaday.com/wp-content/uploads/2022/09/hifiscan-featured.jpg?w=800)

Audiophiles will go to such extents to optimize the quality of their audio chain that they sometimes defy parody. But even though the law of diminishing returns eventually becomes a […read more](https://hackaday.com/2022/09/12/equalize-your-listening-with-hifiscan/) ⌘ [Read more](https://hackaday.com/2022/09/12/equalize-your-listening-with-hifiscan/) 2022-09-13T05:00:08Z **Testing an Inexpensive CNC Spindle**
![](https://hackaday.com/wp-content/uploads/2022/09/cnc-spindle-main.webp?w=800)

The old saying “you get what you pay for” is a cautionary cliché, but is directly contrary to several other common sayings. In the case of [Spikee]’s planned CNC machine […read more](https://hackaday.com/2022/09/12/testing-an-inexpensive-cnc-spindle/) ⌘ [Read more](https://hackaday.com/2022/09/12/testing-an-inexpensive-cnc-spindle/) 2022-09-13T08:00:35Z **With a Little Heat, Printed Parts Handle Vacuum Duty**
![](https://hackaday.com/wp-content/uploads/2022/09/vac3dp_feat.jpg?w=800)

We don’t have to tell the average Hackaday reader that desktop 3D printing has been transformative for our community, but what might not be as obvious is the impact the […read more](https://hackaday.com/2022/09/13/with-a-little-heat-printed-parts-handle-vacuum-duty/) ⌘ [Read more](https://hackaday.com/2022/09/13/with-a-little-heat-printed-parts-handle-vacuum-duty/) 2022-09-13T11:00:00Z **Let Slip the Chips of War**
![](https://hackaday.com/wp-content/uploads/2022/09/Snap-2022-09-12-at-11.37.00-featured.png?w=800)

We’re going to go out on a limb and predict that future history books will note that the decision to invade a sovereign nation straight after a worldwide pandemic wasn’t […read more](https://hackaday.com/2022/09/13/let-slip-the-chips-of-war/) ⌘ [Read more](https://hackaday.com/2022/09/13/let-slip-the-chips-of-war/) 2022-09-13T14:00:22Z **Floppy Disk Sings: I’m Big in Japan**
![](https://hackaday.com/wp-content/uploads/2022/09/FloppyDisk.jpg?w=800)

The other day, a medical office needed my insurance card. I asked them where to e-mail it and they acted like I had offered them human flesh as an appetizer. […read more](https://hackaday.com/2022/09/13/floppy-disk-sings-im-big-in-japan/) ⌘ [Read more](https://hackaday.com/2022/09/13/floppy-disk-sings-im-big-in-japan/) 2022-09-13T15:30:00Z **Heavy Engineering Hack Chat**
![](https://hackaday.com/wp-content/uploads/2022/09/drawbridge_featured.png?w=800)

Join us on Wednesday, September 14 at noon Pacific for the Heavy Engineering Hack Chat with Andy Oliver! Here at Hackaday, we focus mainly on engineering at the small end […read more](https://hackaday.com/2022/09/13/heavy-engineering-hack-chat/) ⌘ [Read more](https://hackaday.com/2022/09/13/heavy-engineering-hack-chat/) 2022-09-13T17:00:13Z **Groundwater: Management Of A Much Neglected Lifeline**
![Water drop on rose leaf.](https://hackaday.com/wp-content/uploads/2022/09/Water_Drop_on_rose_leaf.jpg?w=800)

It seems obvious that if you dig or drill into the soil, at some point you will hit groundwater. Drill deep enough and you will reach an aquifer containing enormous […read more](https://hackaday.com/2022/09/13/groundwater-management-of-a-much-neglected-lifeline/) ⌘ [Read more](https://hackaday.com/2022/09/13/groundwater-management-of-a-much-neglected-lifeline/) 2022-09-13T18:30:00Z **Inexpensive Reading Glasses Become Stereoscope**
![](https://hackaday.com/wp-content/uploads/2022/09/stereoscope-featured.jpg?w=800)

It’s an unfortunate consequence of growing older, that no longer are you able to read the print on a SOT-23 package or solder a QFN without magnification. Your eyes inexorably […read more](https://hackaday.com/2022/09/13/inexpensive-reading-glasses-become-stereoscope/) ⌘ [Read more](https://hackaday.com/2022/09/13/inexpensive-reading-glasses-become-stereoscope/) 2022-09-13T20:00:22Z **Resin Cleanup: A Sticky Situation**
![](https://hackaday.com/wp-content/uploads/2022/09/glue.png?w=800)

We’ll admit it. We like the results of resin 3D printing, but we don’t always care for the mess. We aren’t alone, and a common issue is to have drips […read more](https://hackaday.com/2022/09/13/resin-cleanup-a-sticky-situation/) ⌘ [Read more](https://hackaday.com/2022/09/13/resin-cleanup-a-sticky-situation/) 2022-09-13T23:00:11Z **How The BBC (Still) Sends Audio To Transmitter Sites**
![](https://hackaday.com/wp-content/uploads/2022/09/bbc-nicam-featured.jpg?w=800)

Running a radio station is, on the face of it, a straightforward technical challenge. Build a studio, hook it up to a transmitter, and you’re good to go. But what […read more](https://hackaday.com/2022/09/13/how-the-bbc-still-sends-audio-to-transmitter-sites/) ⌘ [Read more](https://hackaday.com/2022/09/13/how-the-bbc-still-sends-audio-to-transmitter-sites/) 2022-09-14T02:00:14Z **C23 Programming for Everyone**
![](https://hackaday.com/wp-content/uploads/2022/09/c23.png?w=800)

Here’s a history quiz: What architecture did the first C++ compiler target? Of course, it is a trick question. The original C++ — known then as C with classes — […read more](https://hackaday.com/2022/09/13/c23-programming-for-everyone/) ⌘ [Read more](https://hackaday.com/2022/09/13/c23-programming-for-everyone/) 2022-09-14T05:00:00Z **Neon Lamps — Not Just for Pilot Lamps**
![](https://hackaday.com/wp-content/uploads/2022/09/1280x720-vtime12_01-take2022-09-13-16.33.41.png?w=800)

It’s easy to see why LEDs largely won out over neon bulbs for pilot light applications. But for all the practical utility of LEDs, they’re found largely lacking in at […read more](https://hackaday.com/2022/09/13/neon-lamps-not-just-for-pilot-lamps/) ⌘ [Read more](https://hackaday.com/2022/09/13/neon-lamps-not-just-for-pilot-lamps/) 2022-09-14T08:00:00Z **The Calico Wearable Rides the Rails**
![An image of the track system of the Calico wearable on top of a garment. Different possible positions of the device (elbow, shoulder, etc) are shown by red dots overlayed on the top of the image.](https://hackaday.com/wp-content/uploads/2022/09/Screenshot-2022-09-13-at-5.39.31-PM.png?w=800)

If you’re feeling underwhelmed by yet another smartwatch announcement, then researchers at the University of Maryland may have just the wearable for you. Instead of just tra ... ⌘ [Read more](https://hackaday.com/2022/09/14/the-calico-wearable-rides-the-rails/) 2022-09-14T11:00:00Z **AI Midjourney Images “Stairway to Heaven”**
![](https://hackaday.com/wp-content/uploads/2022/09/Snap-2022-09-13-at-11.24.31-featured.png?w=800)

This modern era of GPU-accelerated AI applications have their benefits. Pulling useful information out of mountains of raw data, alerting users to driving hazards, or just keeping an eye on […read more](https://hackaday.com/2022/09/14/ai-midjourney-images-stairway-to-heaven/) ⌘ [Read more](https://hackaday.com/2022/09/14/ai-midjourney-images-stairway-to-heaven/) 2022-09-14T14:00:26Z **New Parkinson’s Test Smells Success**
![](https://hackaday.com/wp-content/uploads/2022/09/Parkinsons.jpg?w=800)

Parkinson’s disease affects millions of people all over the world. The degenerative condition causes characteristic tremors, trouble walking, and often comes with complications including dementia, depression, and anxiety. One of […read more](https://hackaday.com/2022/09/14/new-parkinsons-test-smells-success/) ⌘ [Read more](https://hackaday.com/2022/09/14/new-parkinsons-test-smells-success/) 2022-09-14T15:30:48Z **Big Noise from a 555 and a Little Embroidery**
![](https://hackaday.com/wp-content/uploads/2022/09/555stich_feat.jpg?w=800)

[Sam Topley] specializes in making textile based, electronic instruments and sculptures using embroidery, and this little hoop packs some serious sound (Nitter). The circuit is a riff on a classic […read more](https://hackaday.com/2022/09/14/big-noise-from-a-555-and-a-little-embroidery/) ⌘ [Read more](https://hackaday.com/2022/09/14/big-noise-from-a-555-and-a-little-embroidery/) 2022-09-14T17:00:31Z **Future Brings CPU Modules, And The Future Is Now**
![](https://hackaday.com/wp-content/uploads/2022/09/3100832389_e8de138113_b_featured.png?w=800)

Modularity is a fun topic for us. There’s something satisfying about seeing a complex system split into parts and these parts made replaceable. We often want some parts of our […read more](https://hackaday.com/2022/09/14/future-brings-cpu-modules-and-the-future-is-now/) ⌘ [Read more](https://hackaday.com/2022/09/14/future-brings-cpu-modules-and-the-future-is-now/) 2022-09-14T18:30:37Z **2022 Cyberdeck Contest: RPG Character Tracker**
![](https://hackaday.com/wp-content/uploads/2022/09/rpgdeck_feat.jpg?w=800)

While it would be a mistake to think there are any firm rules for what constitutes a cyberdeck, we can at least identify some common traits that would seem to […read more](https://hackaday.com/2022/09/14/2022-cyberdeck-contest-rpg-character-tracker/) ⌘ [Read more](https://hackaday.com/2022/09/14/2022-cyberdeck-contest-rpg-character-tracker/) 2022-09-14T20:00:36Z **Mokeylaser: A DIY Laser Engraver That You Can Easily Build**
![](https://hackaday.com/wp-content/uploads/2022/09/MokeyLaser_V1_Assembly_2022-Sep-06_03-15-41PM-featured.png?w=800)

[Mark aka Mokey] borrowed his friend’s open-frame laser engraver for a while, and found it somewhat lacking in features and a bit too pricey for what it was. Naturally, he […read more](https://hackaday.com/2022/09/14/mokeylaser-a-diy-laser-engraver-that-you-can-easily-build/) ⌘ [Read more](https://hackaday.com/2022/09/14/mokeylaser-a-diy-laser-engraver-that-you-can-easily-build/) 2022-09-14T23:00:30Z **ESP32 Adds Bluetooth to an iPod Nano**
![](https://hackaday.com/wp-content/uploads/2022/09/Screenshot_20220914_002253.png?w=800)

The iPod Nano was one of Apple’s masterworks, but it’s really tied down by its dependence on wired headphones. At least, that’s what [Tucker Osman] must have thought, as he […read more](https://hackaday.com/2022/09/14/esp32-adds-bluetooth-to-an-ipod-nano/) ⌘ [Read more](https://hackaday.com/2022/09/14/esp32-adds-bluetooth-to-an-ipod-nano/) 2022-09-15T02:00:50Z **Robot: Will Draw for Food**
![](https://hackaday.com/wp-content/uploads/2022/09/robot.png?w=713)

Biological systems often figure out the best ways to get what they need to survive. Now a robot created by researchers at Worcester Polytechnic Institute, Imperial College London, and the […read more](https://hackaday.com/2022/09/14/robot-will-draw-for-food/) ⌘ [Read more](https://hackaday.com/2022/09/14/robot-will-draw-for-food/) 2022-09-15T05:00:42Z **Making a Tape Echo the Traditional Way**
![](https://hackaday.com/wp-content/uploads/2022/09/tape-echo-featured.jpg?w=800)

[Juan Nicola] has taken inspiration from the musician hackers of old and re-purposed a reel-to-reel tape recorder into a tape-echo for his guitar with a built-in valve amplifier (video in […read more](https://hackaday.com/2022/09/14/making-a-tape-echo-the-traditional-way/) ⌘ [Read more](https://hackaday.com/2022/09/14/making-a-tape-echo-the-traditional-way/) 2022-09-15T08:00:15Z **Reimagined Ramen Comes in Edible Package**
![A hand holds a round disc of noodles wrapped in a translucent film with herb specs embedded in it.](https://hackaday.com/wp-content/uploads/2022/09/noodles_wide.jpg?w=800)

Hackers and college students alike reach for ramen when they want to fuel up on a budget, but, if you’re concerned about packaging waste, the plastic film and foil packets […read more](https://hackaday.com/2022/09/15/reimagined-ramen-comes-in-edible-package/) ⌘ [Read more](https://hackaday.com/2022/09/15/reimagined-ramen-comes-in-edible-package/) 2022-09-15T11:00:22Z **Billet Machining a Special Xbox**
![](https://hackaday.com/wp-content/uploads/2022/09/xbox-aluminium-featured.jpg?w=800)

The world of console modding has delivered us some amazing projects over the years, usually rendering an original into a completely different form factor. [Modified] has done a special bit […read more](https://hackaday.com/2022/09/15/billet-machining-a-special-xbox/) ⌘ [Read more](https://hackaday.com/2022/09/15/billet-machining-a-special-xbox/) 2022-09-15T14:00:42Z **Keebin’ with Kristina: the One With the LEGO 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)

Well, I didn’t mean to take the whole summer off from Keebin’, it just kind of happened that way. You’d think it would have been #13 that tripped me up, […read more](https://hackaday.com/2022/09/15/keebin-with-kristina-the-one-with-the-lego-keyboard/) ⌘ [Read more](https://hackaday.com/2022/09/15/keebin-with-kristina-the-one-with-the-lego-keyboard/) 2022-09-15T15:30:16Z **This Simple Light-Controlled Synth Has a Surprisingly Rich Sound**
![](https://hackaday.com/wp-content/uploads/2022/09/FYPTSP3L73CCUY2.jpg?w=800)

Audio synthesizers can range from vast racks of equipment with modules stitched together by a web of patch cords to a couple of 555s wired together in an Atari punk […read more](https://hackaday.com/2022/09/15/this-simple-light-controlled-synth-has-a-surprisingly-rich-sound/) ⌘ [Read more](https://hackaday.com/2022/09/15/this-simple-light-controlled-synth-has-a-surprisingly-rich-sound/) 2022-09-15T17:00:22Z **Fork and Run: The Definitive Guide to Getting Started With Multiprocessing**
![](https://hackaday.com/wp-content/uploads/2022/09/5457752825_b24432f1c7_o_featured.png?w=800)

Since the early 2000s, the CPU industry has shifted from raw clock speed to core counts. Pat Gelsinger famously took the stage in 2002 and gave the talk the industry […read more](https://hackaday.com/2022/09/15/fork-and-run-the-definitive-guide-to-getting-started-with-multiprocessing/) ⌘ [Read more](https://hackaday.com/2022/09/15/fork-and-run-the-definitive-guide-to-getting-started-with-multiprocessing/) 2022-09-15T18:30:34Z **2022 Cyberdeck Contest: The Galdeano is More Than a Graphing Calculator**
![A graphing calculator with a 3D-printed enclosure, with a circuit board next to it](https://hackaday.com/wp-content/uploads/2022/09/Galdeano-full.jpg?w=800)

Graphing calculators have evolved from expensive playthings for rich nerds to everyday tools for high schoolers worldwide. Even though teenagers nowadays carry powerful internet-connected computers in their pockets, math teachers […read ... ⌘ [Read more](https://hackaday.com/2022/09/15/2022-cyberdeck-contest-the-galdeano-is-more-than-a-graphing-calculator/) 2022-09-15T20:00:28Z **A 2D Image Makes A 3D Print**
![](https://hackaday.com/wp-content/uploads/2022/09/3Ddragonballimg.jpg?w=800)

When you imagine 3D printed art, it’s easy to envision the different kinds of sculptures and figurines posted online. While these projects take plenty of time and creativity on their […read more](https://hackaday.com/2022/09/15/a-2d-image-makes-a-3d-print/) ⌘ [Read more](https://hackaday.com/2022/09/15/a-2d-image-makes-a-3d-print/) 2022-09-15T23:00:02Z **Mechanical Relay Percussion In A Eurorack Format**
![](https://hackaday.com/wp-content/uploads/2022/09/Vu-Perc-Relay-1-51-screenshot.png?w=800)

There are plenty of analog and digital synthesis modules available in Eurorack format. But how about one that actually does physical percussion while capturing the output at the same time? […read more](https://hackaday.com/2022/09/15/mechanical-relay-percussion-in-a-eurorack-format/) ⌘ [Read more](https://hackaday.com/2022/09/15/mechanical-relay-percussion-in-a-eurorack-format/) 2022-09-16T02:00:18Z **Making Variable Capacitors By Stretching Aluminium Cans**
![](https://hackaday.com/wp-content/uploads/2022/09/Trombone-capacitors-and-how-to-expand-aluminum-cans-4-7-screenshot.png?w=800)

Sometimes when you need a component, the best way to get it is by building it yourself. [North Carolina Prepper] did just that, creating his own trombone-style variable capacitor by […read more](https://hackaday.com/2022/09/15/making-variable-capacitors-by-stretching-aluminium-cans/) ⌘ [Read more](https://hackaday.com/2022/09/15/making-variable-capacitors-by-stretching-aluminium-cans/) 2022-09-16T05:00:36Z **A RPI HAT For Synchronized Measurements**
![](https://hackaday.com/wp-content/uploads/2022/09/sensors-22-05074-g002-featured.png?w=800)

A team from the Institute for Automation of Complex Power System (ACS) at RWTH Aachen University have been working for a while on the analysis of widely distributed power systems. […read more](https://hackaday.com/2022/09/15/a-rpi-hat-for-synchronized-measurements/) ⌘ [Read more](https://hackaday.com/2022/09/15/a-rpi-hat-for-synchronized-measurements/) 2022-09-16T08:00:13Z **The Sound of Nails on Black Vinyl Records**
![Glue-on nails with vinyl record pickups pierced through them that are used on a vinyl record](https://hackaday.com/wp-content/uploads/2022/09/victoria_shen_needle_nails.png?w=800)

[Victoria Shen] modifies glue-on nails to give her the ability to play vinyl records with her fingers. Details are light but from the many glamour pictures, it looks like she […read more](https://hackaday.com/2022/09/16/the-sound-of-nails-on-black-vinyl-records/) ⌘ [Read more](https://hackaday.com/2022/09/16/the-sound-of-nails-on-black-vinyl-records/) 2022-09-16T11:00:18Z **A Pokemon Silver Cartridge Made of Pure Silver**
![](https://hackaday.com/wp-content/uploads/2022/09/Pokemon-Silver-made-out-of-Pure-Silver-6-38-screenshot.png?w=800)

The big problem with Pokemon Silver is that it came in a cartridge made of only-slightly-sparkly grey plastic. [Modified] decided to fix all that, making an all-silver cartridge instead. The […read more](https://hackaday.com/2022/09/16/a-pokemon-silver-cartridge-made-of-pure-silver/) ⌘ [Read more](https://hackaday.com/2022/09/16/a-pokemon-silver-cartridge-made-of-pure-silver/) 2022-09-16T14:00:19Z **This Week in Security: 11,000 Gas Stations, TrustZone Hacks Kernel, and Unexpected Fuzzing Finds**
![](https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800)

Automated Tank Gauges (ATGs) are nifty bits of tech, sitting unseen in just about every gas station. They keep track of fuel levels, temperature, and other bits of information, and […read more](https://hackaday.com/2022/09/16/this-week-in-security-11000-gas-stations-trustzone- ... ⌘ [Read more](https://hackaday.com/2022/09/16/this-week-in-security-11000-gas-stations-trustzone-hacks-kernel-and-unexpected-fuzzing-finds/) 2022-09-16T15:00:00Z **A Pill Dispenser For The Person With Everything**
![](https://hackaday.com/wp-content/uploads/2022/09/pill-dispenser-featured.jpg?w=800)

Sorting out pills is a mildly tedious task, and one that’s ripe for a bit of automation. It’s a task that [Mellow] has taken on enthusiastically, with the result of […read more](https://hackaday.com/2022/09/16/a-pill-dispenser-for-the-person-with-everything/) ⌘ [Read more](https://hackaday.com/2022/09/16/a-pill-dispenser-for-the-person-with-everything/) 2022-09-16T16:00:35Z **Hackaday Podcast 185: A 2022 Rotary Phone, How AI Imagines Zepplin, Are We Alone in the Universe**
![](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 off by talking about the chip shortage…but not how you think. With a list that supposedly breaks down all […read more](https://hackaday.com/2022/09/16/hackaday-podcast-185-a-2022-rotary-phone-how ... ⌘ [Read more](https://hackaday.com/2022/09/16/hackaday-podcast-185-a-2022-rotary-phone-how-ai-imagines-zepplin-are-we-alone-in-the-universe/) 2022-09-16T17:00:29Z **Building Bridges In This Week’s Hack Chat**
![](https://hackaday.com/wp-content/uploads/2022/09/drawbridge_featured.png?w=800)

In the electronics world, even for the hobbyists, things have only gotten smaller over the years. We went from through-hole components to surface mount, and now we’re at the point […read more](https://hackaday.com/2022/09/16/building-bridges-in-this-weeks-hack-chat/) ⌘ [Read more](https://hackaday.com/2022/09/16/building-bridges-in-this-weeks-hack-chat/) 2022-09-16T18:30:13Z **Scratch-Built RC Excavator is a Model Making Tour de Force**
![](https://hackaday.com/wp-content/uploads/2022/09/1280x720-vtime6_48-take2022-09-15-13.49.32.png?w=800)

Some projects just take your breath away with their level of attention to detail. This scratch-built RC-controlled model excavator is not only breathtaking in its detail, but also amazing for […read more](https://hackaday.com/2022/09/16/scratch-built-rc-excavator-is-a-model-making-tour-de-force/) ⌘ [Read more](https://hackaday.com/2022/09/16/scratch-built-rc-excavator-is-a-model-making-tour-de-force/) 2022-09-16T20:00:43Z **Gaze Upon Just How Thin ATM Skimmers Are Getting**
![](https://hackaday.com/wp-content/uploads/2022/09/nyinsertskimmer.png?w=624)

ATM skimmers are electronic devices designed to read financial card information, and they are usually paired with a camera to capture a user’s PIN. These devices always have to hide […read more](https://hackaday.com/2022/09/16/gaze-upon-just-how-thin-atm-skimmers-are-getting/) ⌘ [Read more](https://hackaday.com/2022/09/16/gaze-upon-just-how-thin-atm-skimmers-are-getting/) 2022-09-16T23:00:15Z **Vintage Tube Tester Teardown**
![](https://hackaday.com/wp-content/uploads/2022/09/tester.png?w=800)

[Mr. Carlson] has an old-style 1940-era radio tube tester, the kind that used to inhabit grocery and drug stores. It is in amazing condition and he was kind enough to […read more](https://hackaday.com/2022/09/16/vintage-tube-tester-teardown/) ⌘ [Read more](https://hackaday.com/2022/09/16/vintage-tube-tester-teardown/) 2022-09-17T02:00:50Z **What’s Old is New Again: GPT-3 Prompt Injection Attack Affects AI**
![](https://hackaday.com/wp-content/uploads/2022/06/ai_feat.jpg?w=800)

What do SQL injection attacks have in common with the nuances of GPT-3 prompting? More than one might think, it turns out. Many security exploits hinge on getting user-supplied data […read more](https://hackaday.com/2022/09/16/whats-old-is-new-again-gpt-3-prompt-injection-attack-affects-ai/) ⌘ [Read more](https://hackaday.com/2022/09/16/whats-old-is-new-again-gpt-3-prompt-injection-attack-affects-ai/) 2022-09-17T05:00:26Z **Hand-Cranked Doodler Made Using a 3D Printer**
![](https://hackaday.com/wp-content/uploads/2022/09/Cam-I-Am-0-8-screenshot-1.png?w=800)

3D printers are great at creating complex geometry out of plastic, and that geometry can often pull off some impressive tricks. [DaveMakesStuff] found a way to generate geometry that draws […read more](https://hackaday.com/2022/09/16/hand-cranked-doodler-made-using-a-3d-printer/) ⌘ [Read more](https://hackaday.com/2022/09/16/hand-cranked-doodler-made-using-a-3d-printer/) 2022-09-17T08:00:09Z **AntRunner Is The Satellite Antenna Mount You Need To Take With You**
![](https://hackaday.com/wp-content/uploads/2022/09/az-el-rotator-featured.jpg?w=800)

It stands to reason, that should you wish to communicate with a satellite, whatever antenna you use should point at that satellite. Some of us have done this by hand, […read more](https://hackaday.com/2022/09/17/antrunner-is-the-satellite-antenna-mount-you-need-to-take-with-you/) ⌘ [Read more](https://hackaday.com/2022/09/17/antrunner-is-the-satellite-antenna-mount-you-need-to-take-with-you/) 2022-09-17T11:00:28Z **3D Printer Upcycles Computer Case To DAS**
![](https://hackaday.com/wp-content/uploads/2022/09/3d-print-DAS.jpg?w=536)

Storage technologies are a bit of an alphabet soup, with NAS, SAN, and DAS systems being offered. That’s Network Attached Storage, Storage Area Network, and Direct Attached Storage. The DAS […read more](https://hackaday.com/2022/09/17/3d-printer-upcycles-computer-case-to-das/) ⌘ [Read more](https://hackaday.com/2022/09/17/3d-printer-upcycles-computer-case-to-das/) 2022-09-17T14:00:14Z **Why Can’t We Have Pretty Things?**
![](https://hackaday.com/wp-content/uploads/2017/10/authentication1.jpg?w=800)

I was reading [Al Williams]’ great rant on why sometimes the public adoption of tech moves so slowly, as exemplified by the Japanese Minister of Tech requesting the end of […read more](https://hackaday.com/2022/09/17/why-cant-we-have-pretty-things/) ⌘ [Read more](https://hackaday.com/2022/09/17/why-cant-we-have-pretty-things/) 2022-09-17T17:00:22Z **3D Printable Bearings That Actually Work, No CAD Tweaking Required**
![](https://hackaday.com/wp-content/uploads/2022/09/608-printable-bearings-featured.png?w=800)

3D printing bearings with an FDM printer can be an iffy endeavor, but it doesn’t have to be that way. [Matvey Kukuy]’s Ultimate 608 Bearing with Calibration Kit is everything […read more](https://hackaday.com/2022/09/17/3d-printable-bearings-that-actually-work-no-cad-tweaking-required/) ⌘ [Read more](https://hackaday.com/2022/09/17/3d-printable-bearings-that-actually-work-no-cad-tweaking-required/) 2022-09-17T20:00:30Z **3D Printed Strain-Wave Gearbox Turns Up the Torque**
![](https://hackaday.com/wp-content/uploads/2022/09/1280x720-vtime7_14-take2022-09-16-15.05.17.png?w=800)

3D printers are good for a lot of things, but making parts for power transmission doesn’t seem to be one of them. Oh sure, some light-duty gears and timing belt […read more](https://hackaday.com/2022/09/17/3d-printed-strain-wave-gearbox-turns-up-the-torque/) ⌘ [Read more](https://hackaday.com/2022/09/17/3d-printed-strain-wave-gearbox-turns-up-the-torque/) 2022-09-17T23:00:49Z **DIY Haptic-Enabled VR Gun Hits All The Targets**
![](https://hackaday.com/wp-content/uploads/2022/09/I-built-a-Haptic-Gun-for-VR-Games-DIY-0-18-screenshot.png?w=800)

This VR Haptic Gun by [Robert Enriquez] is the result of hacking together different off-the-shelf products and tying it all together with an ESP32 development board. The result? A gun […read more](https://hackaday.com/2022/09/17/diy-haptic-enabled-vr-gun-hits-all-the-targets/) ⌘ [Read more](https://hackaday.com/2022/09/17/diy-haptic-enabled-vr-gun-hits-all-the-targets/) 2022-09-18T02:00:06Z **The CPSC Says Plug To Socket, Not Plug To Plug, Please**
![](https://hackaday.com/wp-content/uploads/2022/09/plug-to-plug-featured.jpg?w=800)

When the power goes out, it goes without saying that all the lights and sockets in a house stop working. Savvy rural homeowners stock up with candles, batteries, LED lights, […read more](https://hackaday.com/2022/09/17/the-cpsc-says-plug-to-socket-not-plug-to-plug-please/) ⌘ [Read more](https://hackaday.com/2022/09/17/the-cpsc-says-plug-to-socket-not-plug-to-plug-please/) 2022-09-18T05:00:51Z **TRS-80 Model II Lives Again**
![](https://hackaday.com/wp-content/uploads/2022/09/m2.png?w=800)

A lot of people had a Radio Shack TRS-80 Model I. This was a “home computer” built into a keyboard that needed an external monitor or TV set. Later, Radio […read more](https://hackaday.com/2022/09/17/trs-80-model-ii-lives-again/) ⌘ [Read more](https://hackaday.com/2022/09/17/trs-80-model-ii-lives-again/) 2022-09-18T08:00:30Z **Tiny GPS Logger for the Internet of Animals**
![TickTag, a tiny GPS logger with 3d printed case, LiPo battery and a 1 Euro coin for size reference](https://hackaday.com/wp-content/uploads/2022/09/ticktag_featured.png?w=800)

[Trichl] creates a tiny GPS logger, called ‘TickTag’, that was designed as an inexpensive location tracking option for animal studies. The low cost, tiny form factor, and large power density […read more](https://hackaday.com/2022/09/18/tiny-gps-logger-for-the-internet-of-a ... ⌘ [Read more](https://hackaday.com/2022/09/18/tiny-gps-logger-for-the-internet-of-animals/) 2022-09-18T14:00:39Z **Robot Opens Master Combination Locks in Less Than a Minute**
![A machine that holds a combination padlock and turns its dial, with two padlocks next to it](https://hackaday.com/wp-content/uploads/2022/09/Master-Lock-Picker.png?w=800)

A common trope in bank heist B-movies is someone effortlessly bypassing a safe’s combination lock. Typically, the hero or villain will turn the dial while listening to the internal machinery, […read more](https://hackaday.com/2022/09/18/robot-opens ... ⌘ [Read more](https://hackaday.com/2022/09/18/robot-opens-master-combination-locks-in-less-than-a-minute/) 2022-09-18T17:00:07Z **Load Cells to get the Right Pet the Right Food**
![An orange and white cat eats from a bowl with a hinged cover. The cat and the bowl are on top of an MDF platform.](https://hackaday.com/wp-content/uploads/2022/09/Feeder_wide.jpg?w=800)

If you have more than one pet, you may know how hard it is to tell how much each furry friend is eating. If you introduce prescription foods, then this […read more](https://hackaday.com/2022/09/18/load-cells-to-get-the-right-pet-the-right-food/) ⌘ [Read more](https://hackaday.com/2022/09/18/load-cells-to-get-the-right-pet-the-right-food/) 2022-09-18T20:00:51Z **Solar Flare Quiets a Quarter of the Globe**
![](https://hackaday.com/wp-content/uploads/2022/09/flare.png?w=800)

In the “old” days, people were used to the idea that radio communication isn’t always perfect. AM radio had cracks and pops and if you had to make a call […read more](https://hackaday.com/2022/09/18/solar-flare-quiets-a-quarter-of-the-globe/) ⌘ [Read more](https://hackaday.com/2022/09/18/solar-flare-quiets-a-quarter-of-the-globe/) 2022-09-18T23:00:05Z **Hackaday Links: September 18, 2022**
![Hackaday Links Column Banner](https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800)

We always love when people take the trouble to show information in new, creative ways — after all, there’s a reason that r/Data Is Beautiful exists. But we were particularly […read more](https://hackaday.com/2022/09/18/hackaday-links-september-18-2022/) ⌘ [Read more](https://hackaday.com/2022/09/18/hackaday-links-september-18-2022/) 2022-09-19T02:00:03Z **A Vacuum Pick Up Tool For Not A Lot**
![](https://hackaday.com/wp-content/uploads/2022/09/vacuum-pen-featured.jpg?w=800)

When working with grain-of-dust surface-mount components, one of the tools which makes a huge difference is a vacuum pickup pen. Instead of trying to move the part with tweezers and […read more](https://hackaday.com/2022/09/18/a-vacuum-pick-up-tool-for-not-a-lot/) ⌘ [Read more](https://hackaday.com/2022/09/18/a-vacuum-pick-up-tool-for-not-a-lot/) 2022-09-19T05:00:42Z **Banana Split Macropad Is Dessert for Your Desk**
![](https://hackaday.com/wp-content/uploads/2022/09/banana-split-800.jpg?w=800)

Once again, [Dan Bostian] is ahead of the curve when it comes to bringing bunches of banana puns to the table, but we think you’ll find this banana split macropad […read more](https://hackaday.com/2022/09/18/banana-split-macropad-is-dessert-for-your-desk/) ⌘ [Read more](https://hackaday.com/2022/09/18/banana-split-macropad-is-dessert-for-your-desk/) 2022-09-19T08:00:01Z **LED Clock has its pipes on display**
![Digital Light Pipes Clock various view of seven-segment display using illuminated light-pipes](https://hackaday.com/wp-content/uploads/2022/09/lightPipeClock.webp?w=800)

For most hackers and makers, building a clock is a rite of passage. Few, though, will be as unusual and engaging as this design by [TerraG2]. By combining addressable LEDs, […read more](https://hackaday.com/2022/09/19/led-clock-has-its-pipes-on-display/) ⌘ [Read more](https://hackaday.com/2022/09/19/led-clock-has-its-pipes-on-display/) 2022-09-19T11:00:30Z **As Europe Goes to LEDs, Scientists Worry**
![](https://hackaday.com/wp-content/uploads/2022/09/issled.png?w=800)

There was a time when street lighting means someone had to go light the lamps. Electricity changed that, but street and outdoor lighting has been quietly going through a new […read more](https://hackaday.com/2022/09/19/as-europe-goes-to-leds-scientists-worry/) ⌘ [Read more](https://hackaday.com/2022/09/19/as-europe-goes-to-leds-scientists-worry/) 2022-09-19T14:00:30Z **The Long Tail Of War: Finding Unexploded Ordnance Before It Finds Us**
![Sappers clearing the last mines from the beach front of a former French luxury hotel, now in use as a rest club for troops of 3rd Division, 15 July 1944.](https://hackaday.com/wp-content/uploads/2022/09/The_British_Army_in_Normandy_1944_B7342.jpg?w=800)

Long after the enemy forces have laid down their arms, peace accords have been signed and victories celebrated, there is still a heavy toll to be ... ⌘ [Read more](https://hackaday.com/2022/09/19/the-long-tail-of-war-finding-unexploded-ordnance-before-it-finds-us/) 2022-09-19T15:30:56Z **Multi-Stage Ion Thruster Holds Exciting Promise**
![](https://hackaday.com/wp-content/uploads/2022/09/ionthruster_feat.jpg?w=800)

Anyone who’s looked into high-voltage experiments is likely familiar with ion lifters — spindly contraptions made of wire and aluminum foil that are able to float above the workbench on […read more](https://hackaday.com/2022/09/19/multi-stage-ion-thruster-holds-exciting-promise/) ⌘ [Read more](https://hackaday.com/2022/09/19/multi-stage-ion-thruster-holds-exciting-promise/) 2022-09-19T17:00:19Z **Retrotechtacular: The Original Robot Arm**
![](https://hackaday.com/wp-content/uploads/2022/09/industrial-one-arm-bandit-aka-industrial-one-armed-bandit-1968-vdolsbpycau-webm-shot0002_featured.png?w=800)

Do you know the name [George Devol]? Probably not. In 1961 he received a patent for “Programmed Article Transfer.” We’d call his invention the first robot arm, and its name […read more](https://hackaday.com/2022/09/19/retrotechtacular-the-original-robot-arm/) ⌘ [Read more](https://hackaday.com/2022/09/19/retrotechtacular-the-original-robot-arm/) 2022-09-19T18:30:37Z **2022 Cyberdeck Contest: The Hosaka MK I Connects You to Cyberspace, Neuromancer style**
![A retro-futuristic portable computer with a touch screen and a shoulder strap](https://hackaday.com/wp-content/uploads/2022/09/Hosaka-MK-I.jpg?w=800)

It’s hard to pin down exactly what a cyberdeck is, as we’ve seen through the huge variety of designs submitted to our 2022 Cyberdeck Contest. The most basic requirement is […read more](https://hackaday.com/2022/09/19/ ... ⌘ [Read more](https://hackaday.com/2022/09/19/2022-cyberdeck-contest-the-hosaka-mk-i-connects-you-to-cyberspace-neuromancer-style/) 2022-09-19T20:00:18Z **The Inner Machinations of the Arduino are an Enigma**
![](https://hackaday.com/wp-content/uploads/2022/09/tinytcr.jpg?w=800)

Arduinos have been the microcontroller platform of choice for nearly two decades now, essentially abstracting away a lot of the setup and lower-level functions of small microcontrollers in favor of […read more](https://hackaday.com/2022/09/19/the-inner-machinations-of-the-arduino-are-an-enigma/) ⌘ [Read more](https://hackaday.com/2022/09/19/the-inner-machinations-of-the-arduino-are-an-enigma/) 2022-09-19T23:00:46Z **Keyboard Shortcuts at the Touch of a Planetary Cube**
![Shot of CubeTouch, a six sided cube built out of PCBs with each of the top PCB allowing for diffusion of the LEDs on the inside to shine through](https://hackaday.com/wp-content/uploads/2022/09/cubetouch_featured_p6.png?w=800)

[Noteolvides] creates the CubeTouch, a cube made of six PCBs soldered together that creates a functional and interactive piece of art through its inlaid LEDs and capacitive touch sensors. The […read more](h ... ⌘ [Read more](https://hackaday.com/2022/09/19/keyboard-shortcuts-at-the-touch-of-a-planetary-cube/) 2022-09-20T02:00:29Z **A Peppy Low Power Wall Mounted Display**
![battery powered wall mounted clock with LCD display and 10 capacitive touch buttons](https://hackaday.com/wp-content/uploads/2022/09/newt_featured-1.png?w=800)

[Phambili Tech] creates a battery powered mountable display, called “the Newt”, that can be used to display information about the time, calendar, weather or a host of other customizable items. […read more](https://hackaday.com/2022/09/19/a-peppy-low-power-wall-mounted-display/) ⌘ [Read more](https://hackaday.com/2022/09/19/a-peppy-low-power-wall-mounted-display/) 2022-09-20T05:00:58Z **Glass 3D Printing via Laser**
![](https://hackaday.com/wp-content/uploads/2022/09/laser.png?w=800)

If you haven’t noticed, diode laser engraver/cutters have been getting more powerful lately. [Cranktown City] was playing with an Atomstack 20 watt laser and wondered if it would sinter sand […read more](https://hackaday.com/2022/09/19/glass-3d-printing-via-laser/) ⌘ [Read more](https://hackaday.com/2022/09/19/glass-3d-printing-via-laser/) 2022-09-20T08:00:08Z **3D Printing Aids Metal Polishing**
![](https://hackaday.com/wp-content/uploads/2022/09/3dp-lapping-featured.jpg?w=800)

While a machinist can put a beautiful finish on a piece of metal with their lathe or mill, to achieve the ultimate finish, a further set of polishing procedures are […read more](https://hackaday.com/2022/09/20/3d-printing-aids-metal-polishing/) ⌘ [Read more](https://hackaday.com/2022/09/20/3d-printing-aids-metal-polishing/) 2022-09-20T11:00:48Z **Walkmp3rson is an MP3 Player Like Sony Never Made**
![](https://hackaday.com/wp-content/uploads/2022/09/walkmp3rson-800.jpg?w=800)

If you weren’t already well aware, the 90s are like, so hot right now, and that includes cassette tapes for some reason. (Even though we personally didn’t have a CD […read more](https://hackaday.com/2022/09/20/walkmp3rson-is-an-mp3-player-like-sony-never-made/) ⌘ [Read more](https://hackaday.com/2022/09/20/walkmp3rson-is-an-mp3-player-like-sony-never-made/) 2022-09-20T14:00:01Z **IGY: The Year We All Got Along**
![](https://hackaday.com/wp-content/uploads/2022/09/IGY.jpg?w=800)

If you are a Steely Dan fan, you might know the Donald Fagan song, “IGY.” In it, Fagan sings about a rosy future with high-speed undersea rail, solar power, giant […read more](https://hackaday.com/2022/09/20/igy-the-year-we-all-got-along/) ⌘ [Read more](https://hackaday.com/2022/09/20/igy-the-year-we-all-got-along/) 2022-09-20T15:30:06Z **Finding Digital Solace in an Old Nokia Phone**
![](https://hackaday.com/wp-content/uploads/2022/09/asha210_feat.jpg?w=800)

We don’t have to tell you that the current mobile phone market is a bit bleak for folks who value things like privacy, security, and open source. While there have […read more](https://hackaday.com/2022/09/20/finding-digital-solace-in-an-old-nokia-phone/) ⌘ [Read more](https://hackaday.com/2022/09/20/finding-digital-solace-in-an-old-nokia-phone/) 2022-09-20T18:30:00Z **Open Source: Free as the Air You Breathe**
![](https://hackaday.com/wp-content/uploads/2022/09/filter.png?w=800)

[Carolyn Barber] recently interviewed a 15-year-old who has been making Corsi-Rosenthal boxes for people in his community that are at risk for COVID. Not only is it great that a […read more](https://hackaday.com/2022/09/20/open-source-free-as-the-air-you-breathe/) ⌘ [Read more](https://hackaday.com/2022/09/20/open-source-free-as-the-air-you-breathe/) 2022-09-20T20:00:41Z **Ride-on Star Wars Land Speeder Gets A Real Jet Engine**
![](https://hackaday.com/wp-content/uploads/2022/09/I-put-a-Jet-engine-onto-a-childrens-toy-8-38-screenshot.png?w=800)

When it comes to children’s ride-on toys, the Star Wars Land Speeder is one of the cooler examples out there. However, with weedy 12-volt motors, they certainly don’t move quickly. […read more](https://hackaday.com/2022/09/20/ride-on-star-wars-land-speeder-gets-a-real-jet-engine/) ⌘ [Read more](https://hackaday.com/2022/09/20/ride-on-star-wars-land-speeder-gets-a-real-jet-engine/) 2022-09-20T23:00:00Z **Raspberry Pi Grants Remote Access via PCIe (Sort Of)**
![](https://hackaday.com/wp-content/uploads/2022/09/pci.png?w=800)

[Jeff] found a Raspberry Pi — well, the compute module version, anyway — in an odd place: on a PCI Express card. Why would you plug a Raspberry Pi into […read more](https://hackaday.com/2022/09/20/raspberry-pi-grants-remote-access-via-pcie-sort-of/) ⌘ [Read more](https://hackaday.com/2022/09/20/raspberry-pi-grants-remote-access-via-pcie-sort-of/) 2022-09-21T02:00:10Z **3D Printed String Vase Shows What’s Possible**
![](https://hackaday.com/wp-content/uploads/2022/09/FcVwGyYakAUqSUs-2-e1663650448782.jpg?w=800)

Overhangs are the bane of the melty-plastic 3D printing world. Often, we try to avoid them with creative print alignments, or we compensate with supports. However, [3DPrintBunny] decided to embrace […read more](https://hackaday.com/2022/09/20/3d-printed-string-vase-shows-whats-possible/) ⌘ [Read more](https://hackaday.com/2022/09/20/3d-printed-string-vase-shows-whats-possible/) 2022-09-21T05:00:59Z **It’s Pi All the Way Down With This Pi-Powered Pi-Picking Robot**
![](https://hackaday.com/wp-content/uploads/2022/09/Screenshot-2022-09-20-at-10-08-44-Raspberry-Pi-Picking-Robot-from-Little-Bird-Little-Bird-Electro-on-Vimeo.png?w=800)

While most of us live in a world where the once ubiquitous Raspberry Pi is now as rare as hens’ teeth, there’s a magical place where they’ve got so many […read more](https://hackaday.com/2022/09/20/its-pi-all-the-way-down-with-this-pi-powered-p ... ⌘ [Read more](https://hackaday.com/2022/09/20/its-pi-all-the-way-down-with-this-pi-powered-pi-picking-robot/) 2022-09-21T08:00:28Z **Mechanical Color Picker Types Hex Codes For You**
![](https://hackaday.com/wp-content/uploads/2022/09/FckTueSX0AA6yLy-e1663649013131.jpg?w=800)

Hex codes are a simple, unambiguous way to designate colors in digital media. However, going from a color in your head to a hex code can be difficult for the […read more](https://hackaday.com/2022/09/21/mechanical-color-picker-types-hex-codes-for-you/) ⌘ [Read more](https://hackaday.com/2022/09/21/mechanical-color-picker-types-hex-codes-for-you/) 2022-09-21T11:00:30Z **Cutting Metals With a Diode Laser?**
![](https://hackaday.com/wp-content/uploads/2022/09/Snap-2022-09-20-at-22.34.39-featured.png?w=800)

Hobbyist-grade laser cutters can be a little restrictive as to the types and thicknesses of materials that they can cut. We’re usually talking about CO2 and diode-based machines here, and […read more](https://hackaday.com/2022/09/21/cutting-metals-with-a-diode-laser/) ⌘ [Read more](https://hackaday.com/2022/09/21/cutting-metals-with-a-diode-laser/) 2022-09-21T11:00:21Z **Floppy Disk Sales Are Higher-Density Than You Might Think**
![](https://hackaday.com/wp-content/uploads/2022/09/FloppyDisk.jpg?w=800)

Floppies may be big in Japan, but nostalgic and/or needful Stateside floppy enthusiasts needn’t fret — just use AOL keyword point that browser toward floppydisk.com. There, you can buy new […read more](https://hackaday.com/2022/09/21/floppy-disk-sales-are-higher-density-than-you-might-think/) ⌘ [Read more](https://hackaday.com/2022/09/21/floppy-disk-sales-are-higher-density-than-you-might-think/) 2022-09-21T15:30:21Z **A 3D Printed Marble Run Features Neat Elevator Linkage**
![](https://hackaday.com/wp-content/uploads/2022/09/Marblevator-Pick-and-Place-1-21-screenshot-1.png?w=800)

There’s seldom anything as joyful and relaxing to watch as a simple marble run. Of course, the thing about letting marbles fall under gravity is that you eventually need to […read more](https://hackaday.com/2022/09/21/a-3d-printed-marble-run-features-neat-elevator-linkage/) ⌘ [Read more](https://hackaday.com/2022/09/21/a-3d-printed-marble-run-features-neat-elevator-linkage/) 2022-09-21T17:00:04Z **Know Audio: Stereo**
![](https://hackaday.com/wp-content/uploads/2021/06/Audio.jpg?w=800)

In our occasional series charting audio and Hi-Fi technology we have passed at a technical level the main components of a home audio set-up. In our last outing when we […read more](https://hackaday.com/2022/09/21/know-audio-stereo/) ⌘ [Read more](https://hackaday.com/2022/09/21/know-audio-stereo/) 2022-09-21T18:30:51Z **Wow! You Could Have a (Tiny) V8!**
![](https://hackaday.com/wp-content/uploads/2022/09/v8.png?w=800)

If you grew up before high gas prices and strict emission control regulations, you probably had — or wanted — a car with a V8 engine. An engineering masterpiece created […read more](https://hackaday.com/2022/09/21/wow-you-could-have-a-tiny-v8/) ⌘ [Read more](https://hackaday.com/2022/09/21/wow-you-could-have-a-tiny-v8/) 2022-09-21T20:00:18Z **Old Barcode Scanner Motherboards Live Again**
![](https://hackaday.com/wp-content/uploads/2022/09/rom_top_filtered-1-e1663744322289.jpg?w=800)

Sometimes, hacking is just for the pleasure of diving into the secrets of old hardware. That was very much the case when [glitch] and a friend started hacking on some […read more](https://hackaday.com/2022/09/21/old-barcode-scanner-motherboards-live-again/) ⌘ [Read more](https://hackaday.com/2022/09/21/old-barcode-scanner-motherboards-live-again/) 2022-09-21T23:00:51Z **Metric and Inch Threads Fight it Out for Ultra-Precise Positioning**
![](https://hackaday.com/wp-content/uploads/2022/09/1280x720-vtime6_19-take2022-09-20-16.21.12.png?w=800)

When you’re a machinist, your stock in trade is precision, with measurements in the thousandths of your preferred unit being common. But when you’re a diemaker, your precision game needs […read more](https://hackaday.com/2022/09/21/metric-and-inch-threads-fight-it-out-for-ultra-precise-positioning/ ... ⌘ [Read more](https://hackaday.com/2022/09/21/metric-and-inch-threads-fight-it-out-for-ultra-precise-positioning/) 2022-09-22T02:00:39Z **Trojans Can Lurk Inside AVR Bootloaders**
![](https://hackaday.com/wp-content/uploads/2022/09/Untitled-e1663745621842.png?w=800)

If there’s one thing we’ve learned over the years, it’s that if it’s got a silicon chip inside, it could be carrying a virus. Research by one group focused on […read more](https://hackaday.com/2022/09/21/trojans-can-lurk-inside-avr-bootloaders/) ⌘ [Read more](https://hackaday.com/2022/09/21/trojans-can-lurk-inside-avr-bootloaders/) 2022-09-22T05:00:12Z **3D Print Yourself A Tiny Steam Train Complete With Smoke Effects**
![](https://hackaday.com/wp-content/uploads/2022/09/F39ZXB5L7RMSZS3.webp?w=800)

Model trains are fun, but sometimes little whirring motors in electric models feel a long way from the hulking metal beasts of the real railways. [Lewis] of [DIY Machines] adds […read more](https://hackaday.com/2022/09/21/3d-print-yourself-a-tiny-steam-train-complete-with-smoke-effects/) ⌘ [Read more](https://hackaday.com/2022/09/21/3d-print-yourself-a-tiny-steam-train-complete-with-smoke-effects/) 2022-09-22T08:00:52Z **An All-In-One Serial Printer Playground**
![](https://hackaday.com/wp-content/uploads/2022/09/esp-printer-featured.jpg?w=800)

One of the peripherals of most desire for a microcomputer-obsessed youth in the 1980s was a printer, probably a dot-matrix device. In the decades since, printers have passed into being […read more](https://hackaday.com/2022/09/22/an-all-in-one-serial-printer-playground/) ⌘ [Read more](https://hackaday.com/2022/09/22/an-all-in-one-serial-printer-playground/) 2022-09-22T11:00:14Z **Coal to Nuclear Transition to Decarbonize the Grid**
![Overhead satellite view of a coal-fired power plant next to a heat map showing the suitability of terrain in the region for siting a nuclear power plant](https://hackaday.com/wp-content/uploads/2022/09/C2N.png?w=800)

We love big projects here at Hackaday, and one of the biggest underway is the decarbonization of the electric grid. The US Department of Energy (DOE) recently published a report […read more](https://hackaday.com/2022/0 ... ⌘ [Read more](https://hackaday.com/2022/09/22/coal-to-nuclear-transition-to-decarbonize-the-grid/) 2022-09-22T14:00:35Z **CAPSTONE: The Story So Far**
![](https://hackaday.com/wp-content/uploads/2022/09/capstone_feat.jpg?w=800)

After decades of delays and false starts, NASA is finally returning to the Moon. The world is eagerly awaiting the launch of Artemis I, the first demonstration flight of both […read more](https://hackaday.com/2022/09/22/capstone-the-story-so-far/) ⌘ [Read more](https://hackaday.com/2022/09/22/capstone-the-story-so-far/) 2022-09-22T15:30:51Z **Simple Internet Radio Transplant**
![](https://hackaday.com/wp-content/uploads/2022/09/Exterior.png?w=800)

While we have a definite sweet spot in our hearts for analog radio, there are times that just call for a digital upgrade. One of the downsides that can come […read more](https://hackaday.com/2022/09/22/simple-internet-radio-transplant/) ⌘ [Read more](https://hackaday.com/2022/09/22/simple-internet-radio-transplant/) 2022-09-22T17:00:53Z **A Love Letter to Small Design Teams, and the B-52**
![](https://hackaday.com/wp-content/uploads/2020/10/Collaboration01_featured.png?w=800)

The true measure of engineering success — or, at least, one of them — is how long something remains in use. A TV set someone designed in 1980 is probably, […read more](https://hackaday.com/2022/09/22/a-love-letter-to-small-design-teams-and-the-b-52/) ⌘ [Read more](https://hackaday.com/2022/09/22/a-love-letter-to-small-design-teams-and-the-b-52/) 2022-09-22T18:30:46Z **Hackaday Prize 2022: Solar Powered LoRa Weather Station For The Masses**
![](https://hackaday.com/wp-content/uploads/2022/09/9058031663700080688-featured.jpg?w=800)

[Debasish Dutta] has designed a few weather stations in the past, and this, the fourth version of the system has had many of the feature requests from past users rolled in. The […read more](https://hackaday.com/2022/09/22/hackaday-prize-2022-solar-powered-lora-weather-station-for-the-masses/) ⌘ [Read more](https://hackaday.com/2022/09/22/hackaday-prize-2022-solar-powered-lora-weather-station-for-the-masses/) 2022-09-22T20:00:16Z **Wireless Water Detector Hooks Up To Home Assistant**
![](https://hackaday.com/wp-content/uploads/2022/09/2019-04-01-16.34.47-e1663746278182.jpg?w=800)

Water damage can quickly make even the nicest buildings unliveable. [Andres Leon] suffered a small flood from an air conditioning unit, and wanted to avoid such issues in future. Thus, […read more](https://hackaday.com/2022/09/22/wireless-water-detector-hooks-up-to-home-assistant/) ⌘ [Read more](https://hackaday.com/2022/09/22/wireless-water-detector-hooks-up-to-home-assistant/) 2022-09-22T23:00:21Z **Better Scope Measurements**
![](https://hackaday.com/wp-content/uploads/2022/09/scope.png?w=800)

There was a time when few hobbyists had an oscilloscope and the ones you did see were old military or industrial surplus that were past their prime. Today you can […read more](https://hackaday.com/2022/09/22/better-scope-measurements/) ⌘ [Read more](https://hackaday.com/2022/09/22/better-scope-measurements/) 2022-09-23T02:00:19Z **OpenAI Hears You Whisper**
![](https://hackaday.com/wp-content/uploads/2022/09/whisper.png?w=776)

Should you wish to try high-quality voice recognition without buying something, good luck. Sure, you can borrow the speech recognition on your phone or coerce some virtual assistants on a […read more](https://hackaday.com/2022/09/22/openai-hears-you-whisper/) ⌘ [Read more](https://hackaday.com/2022/09/22/openai-hears-you-whisper/) 2022-09-23T05:00:14Z **Robots Chase Down Balls In Fun Outdoor Game**
![](https://hackaday.com/wp-content/uploads/2022/09/Niklas_Roy_Diary_Lores_2417-e1663743531149.jpg?w=800)

Art installations aren’t always about static sculpture or pure aesthetics. In the case of Operation Kiba, they can be fun games for everyone to enjoy. The aim of Operation Kiba […read more](https://hackaday.com/2022/09/22/robots-chase-down-balls-in-fun-outdoor-game/) ⌘ [Read more](https://hackaday.com/2022/09/22/robots-chase-down-balls-in-fun-outdoor-game/) 2022-09-23T08:00:10Z **TRS-80 Model 100 Gets Arduino Heart Transplant**
![Sketch of a Tandy TRS-80 Model 100 with Arduino Mega 2560](https://hackaday.com/wp-content/uploads/2022/09/a-tandy-m100-notebook-computer-is-shown-with-its-wide-lcd-display-above-a-mechanical-keyboard-along-with-a-pcb-and-arduino-mega.webp?w=800)

When [Stephen Cass] found himself with a broken Tandy TRS-80 Model 100 portable computer, the simplest solution was to buy another broken one and make one working computer from two […read more](ht ... ⌘ [Read more](https://hackaday.com/2022/09/23/trs-80-model-100-gets-arduino-heart-transplant/) 2022-09-23T11:00:53Z **Snooping on Starlink With an RTL-SDR**
![](https://hackaday.com/wp-content/uploads/2022/09/1280x720-vtime4_36-take2022-09-22-14.59.40.png?w=800)

With an ever-growing constellation of Starlink satellites whizzing around over our heads, you might be getting the urge to start experimenting with the high-speed internet service. But at $100 or […read more](https://hackaday.com/2022/09/23/snooping-on-starlink-with-an-rtl-sdr/) ⌘ [Read more](https://hackaday.com/2022/09/23/snooping-on-starlink-with-an-rtl-sdr/) 2022-09-23T14:00:57Z **This Week in Security: Malwarebytes Goes Nuts, Uber**
![](https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800)

I got a rude awakening Wednesday morning this week. HaD writers don’t necessarily keep normal hours — don’t judge. A local client called, complaining that Google Maps was blocking on […read more](https://hackaday.com/2022/09/23/this-week-in-security-malwarebytes-goes-nuts-uber/) ⌘ [Read more](https://hackaday.com/2022/09/23/this-week-in-security-malwarebytes-goes-nuts-uber/) 2022-09-23T15:30:24Z **Exploring Texas Instrument’s Forgotten CPU**
![](https://hackaday.com/wp-content/uploads/2022/09/tmx.png?w=800)

Texas Instruments isn’t the name you usually hear associated with the first microprocessor. But the TI TMX 1795 was an 8008 chip produced months before the 8008. It was never […read more](https://hackaday.com/2022/09/23/exploring-texas-instruments-forgotten-cpu/) ⌘ [Read more](https://hackaday.com/2022/09/23/exploring-texas-instruments-forgotten-cpu/) 2022-09-23T16:00:54Z **Hackaday Podcast 186: Weighing Cats, Slamming VU Meters, Slimmer Skimmers, and Clean Air on the Cheap**
![](https://hackaday.com/wp-content/uploads/2016/05/microphone.jpg?w=800)

Hackaday Editor-in-Chief Elliot Williams took time out from Supercon planning to join Staff Writer Dan Maloney for a look through the hacking week that was. We always try to keep […read more](https://hackaday.com/2022/09/23/hackaday-podcast-186-weighing-cats-slammi ... ⌘ [Read more](https://hackaday.com/2022/09/23/hackaday-podcast-186-weighing-cats-slamming-vu-meters-slimmer-skimmers-and-clean-air-on-the-cheap/) 2022-09-23T17:00:06Z **Nazi Weapons of the Future**
![](https://hackaday.com/wp-content/uploads/2022/09/GeschutzDora2.jpg?w=800)

We know. The title sounds like a bad newsreel from 1942. Turns out, though, that the Nazis were really good at pouring money into military research and developing — or […read more](https://hackaday.com/2022/09/23/nazi-weapons-of-the-future/) ⌘ [Read more](https://hackaday.com/2022/09/23/nazi-weapons-of-the-future/) 2022-09-23T18:30:41Z **Big 3D Printed BMO is Also an OctoPrint Server**
![](https://hackaday.com/wp-content/uploads/2022/09/FREJZ1ML7S7RP6V-1-e1663747326313.jpg?w=800)

OctoPrint is a useful tool for 3D printers, providing remote access to essentially every 3D printer with a USB port. [Allie Katz] decided to build an OctoPrint server in the […read more](https://hackaday.com/2022/09/23/big-3d-printed-bmo-is-also-an-octoprint-server/) ⌘ [Read more](https://hackaday.com/2022/09/23/big-3d-printed-bmo-is-also-an-octoprint-server/) 2022-09-23T20:00:57Z **Filament Cutter Uses Unusual (But Effective) 3D-Printed Spring Design**
![](https://hackaday.com/wp-content/uploads/2022/09/Filement-cutter-parts.png?w=800)

When one needs a spring, a 3D-printed version is maybe not one’s first choice. It might even be fair to say that printed springs are something one ends up making, […read more](https://hackaday.com/2022/09/23/filament-cutter-uses-unusual-but-effective-3d-printed-spring-design/) ⌘ [Read more](https://hackaday.com/2022/09/23/filament-cutter-uses-unusual-but-effective-3d-printed-spring-design/) 2022-09-23T23:00:58Z **For the ESP’s Next ESP Trick…**
![](https://hackaday.com/wp-content/uploads/2022/09/die.png?w=800)

It is a pretty stale dad joke to tell someone you have ESP when you mean you have an ESP8266 or ESP32 in your hand. However, [Naufil Metkar] uses an […read more](https://hackaday.com/2022/09/23/for-the-esps-next-esp-trick/) ⌘ [Read more](https://hackaday.com/2022/09/23/for-the-esps-next-esp-trick/) 2022-09-24T02:00:00Z **Add an OSHW Certified Stopwatch to Your Toolkit**
![Simple Stopwatch with two buttons, an eight digit 7-segment display and ICSP programming cable going into the board](https://hackaday.com/wp-content/uploads/2022/09/simple_stopwatch_featured.png?w=800)

[MakingDevices] has created a simple stopwatch that makes for a nice introduction to surface mount electronic design and assembly. The project is open source hardware (OSHW) certified, with Gerbers, KiCAD […read more](https://hackaday.com/ ... ⌘ [Read more](https://hackaday.com/2022/09/23/add-an-oshw-certified-stopwatch-to-your-toolkit/) 2022-09-24T05:00:00Z **A Spreadsheet for the Python Hacker**
![](https://hackaday.com/wp-content/uploads/2022/09/ss.png?w=800)

You can write a Python program or use a Jupyter Notebook to do almost anything. But you can also get a lot of things done quickly using a spreadsheet. Grist […read more](https://hackaday.com/2022/09/23/a-spreadsheet-for-the-python-hacker/) ⌘ [Read more](https://hackaday.com/2022/09/23/a-spreadsheet-for-the-python-hacker/) 2022-09-24T08:00:47Z **Chandelier Mimics The Solar Analemma**
![](https://hackaday.com/wp-content/uploads/2022/09/FZAZCZ1L7Q7CKXE-2-e1663749007854.jpg?w=800)

The solar analemma is the shape the sun traces out when photographed each day at the same time and same location for a whole year – but you probably knew […read more](https://hackaday.com/2022/09/24/chandelier-mimics-the-solar-analemma/) ⌘ [Read more](https://hackaday.com/2022/09/24/chandelier-mimics-the-solar-analemma/) 2022-09-24T11:00:07Z **This Scratch-Built X-Ray Tube Really Shines**
![](https://hackaday.com/wp-content/uploads/2022/09/1920x1080-vtime9_26-take2022-09-20-15.47.25.png?w=800)

On no planet is making your own X-ray tube a good idea. But that doesn’t mean we’re not going to talk about it, because it’s pretty darn cool. And when […read more](https://hackaday.com/2022/09/24/this-scratch-built-x-ray-tube-really-shines/) ⌘ [Read more](https://hackaday.com/2022/09/24/this-scratch-built-x-ray-tube-really-shines/) 2022-09-24T14:00:31Z **Honor Your Hacker Heroes**
![](https://hackaday.com/wp-content/uploads/2016/05/habits.jpg?w=800)

We recently ran an article on a sweet percussion device made by minimal-hardware-synth-madman [Gijs Gieskes]. Basically, it amplifies up an analog meter movement and plays it by slamming it into […read more](https://hackaday.com/2022/09/24/honor-your-hacker-heroes/) ⌘ [Read more](https://hackaday.com/2022/09/24/honor-your-hacker-heroes/) 2022-09-24T17:00:38Z **TRS-80 Gains Multiple Monitor Support, and High-Resolution Graphics**
![](https://hackaday.com/wp-content/uploads/2022/09/orthographic_sphere.jpg?w=800)

To call [Glen Kleinschmidt] a vintage computing enthusiast would be an understatement. Who else would add the ability to control and address multiple VGA monitors to a rack-mounted TRS-80 Model […read more](https://hackaday.com/2022/09/24/trs-80-gains-multiple-monitor-support-and-high-resolution-graphics/) ⌘ [Read more](https://hackaday.com/2022/09/24/trs-80-gains-multiple-monitor-support-and-high-resolution-graphics/) 2022-09-24T20:00:00Z **Minimal Tic Tac Toe Business Card**
![](https://hackaday.com/wp-content/uploads/2022/09/TTTBusinessCard2_Featured_bright.png?w=800)

The PCB business card has long been a way for the aspiring electronics engineer to set themself apart from their peers. Handing out a card that is also a two […read more](https://hackaday.com/2022/09/24/minimal-tic-tac-toe-business-card/) ⌘ [Read more](https://hackaday.com/2022/09/24/minimal-tic-tac-toe-business-card/) 2022-09-24T23:00:00Z **CMOS oscillator circuit gets an eatable input**
![](https://hackaday.com/wp-content/uploads/2022/09/Screen-Shot-2022-09-21-at-12.49.07-PM.png?w=800)

In interaction designer [Leonardo Amico]’s work Processing Decay, lettuce is used as an input to produce sound as an element within a CMOS circuit.  We’ve all seen lemons and potatoes […read more](https://hackaday.com/2022/09/24/cmos-oscillator-circuit-gets-an-eatable-input/) ⌘ [Read more](https://hackaday.com/2022/09/24/cmos-oscillator-circuit-gets-an-eatable-input/) 2022-09-25T02:00:00Z **Animated LED Arrows Point the Way**
![](https://hackaday.com/wp-content/uploads/2022/09/animated-led-arrows-9vijahs8k9u-mp4-shot0002.jpg?w=800)

Visitors at the Garden D’Lights in Bellevue, Washington had a problem. While touring the holiday lights show, they kept straying off the path. The event organizers tried some simple LED […read more](https://hackaday.com/2022/09/24/animated-led-arrows-point-the-way/) ⌘ [Read more](https://hackaday.com/2022/09/24/animated-led-arrows-point-the-way/) 2022-09-25T05:00:00Z **Adding A Third Wheel (And Speed Boost) To An Electric Scooter**
![](https://hackaday.com/wp-content/uploads/2022/09/20211220_084524.jpg?w=800)

The story of how [Tony]’s three-wheeled electric scooter came to be has a beginning that may sound familiar. One day, he was browsing overseas resellers and came across a new […read more](https://hackaday.com/2022/09/24/adding-a-third-wheel-and-speed-boost-to-an-electric-scooter/) ⌘ [Read more](https://hackaday.com/2022/09/24/adding-a-third-wheel-and-speed-boost-to-an-electric-scooter/) 2022-09-25T08:00:00Z **3D-Printable Sculpture Shows Off Unpredictable Order Of Chains**
![](https://hackaday.com/wp-content/uploads/2022/09/3d-printed-machine-with-roller-chain-featured.png?w=800)

[davemoneysign] designed this fascinating roller chain kinetic sculpture, which creates tumbling and unpredictable patterns and shapes as long as the handle is turned; a surprisingly organic behavior considering the simplicity […read more](https://hackaday.com/2022/09/25/3d-printable-sculpture-shows-off ... ⌘ [Read more](https://hackaday.com/2022/09/25/3d-printable-sculpture-shows-off-unpredictable-order-of-chains/) 2022-09-25T11:00:00Z **Epoxy Blob Excised Out Of Broken Multimeter, Replaced With A QFP**
![On the left, an image of a COB on the multimeter's PCB. On the right, a QFP IC soldered to the spot where a COB used to be, with pieces of magnet wire making connections from the QFP's pins to the PCB tracks.](https://hackaday.com/wp-content/uploads/2022/09/hadimg_cob_qfp_swap_feat.jpg?w=800)

The black blobs on cheap PCBs haunt those of us with a habit of taking things apart when they fail. There’s no par ... ⌘ [Read more](https://hackaday.com/2022/09/25/epoxy-blob-excised-out-of-broken-multimeter-replaced-with-a-qfp/) 2022-09-25T14:00:00Z **Pi Pico W Does PCMCIA, Gets This IBM PC110 Online**
![Card's author typing on the IBM PC110's keyboard, with the Pico W-based card plugged into the PCMCIA slot on the left. PC110's screen shows successful ping 8.8.8.8.8.](https://hackaday.com/wp-content/uploads/2022/09/hadimg_picow_pcmcia_feat.jpeg?w=800)

Bringing modern connectivity to retro computers is an endearing field- with the simplicity of last-century hardware and software being a double-edged sword, often, you bring a powerful ... ⌘ [Read more](https://hackaday.com/2022/09/25/pi-pico-w-does-pcmcia-gets-this-ibm-pc110-online/) 2022-09-25T17:00:00Z **Giving Environmental Readouts Some Personality**
![](https://hackaday.com/wp-content/uploads/2022/09/AQI-Funnies-Wide.jpg?w=800)

Air Quality Index for one’s region can be a handy thing to know, but it’s such a dry and humorless number, isn’t it? Well, all that changes with [Andrew Kleindolph]’s […read more](https://hackaday.com/2022/09/25/giving-environmental-readouts-some-personality/) ⌘ [Read more](https://hackaday.com/2022/09/25/giving-environmental-readouts-some-personality/) 2022-09-25T20:00:00Z **2022 Cyberdeck Challenge: Cyberpack VR**
![A person sits on a couch in the background wearing a VR headset. A keyboard is on their lap and a backpack studded with antennas and cables sits in the foreground.](https://hackaday.com/wp-content/uploads/2022/09/3525081663862564300.jpg?w=800)

Feeling confined by the “traditional” cyberdeck form factor, [adam] decided to build something a little bigger with his Cyberpack VR. If you’ve ever dreamed of being a WiFi-equipped porcupine, then […read more](https ... ⌘ [Read more](https://hackaday.com/2022/09/25/2022-cyberdeck-challenge-cyberpack-vr/) 2022-09-25T23:00:30Z **Hackaday Links: September 25, 2022**
![Hackaday Links Column Banner](https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800)

Looks like there’s trouble out at L2, where the James Webb Space Telescope suffered a mechanical anomaly back in August. The issue, which was just announced this week, involves only […read more](https://hackaday.com/2022/09/25/hackaday-links-september-25-2022/) ⌘ [Read more](https://hackaday.com/2022/09/25/hackaday-links-september-25-2022/) 2022-09-26T02:00:00Z **Empty Spools Make Useful Tools, Like Counters**
![](https://hackaday.com/wp-content/uploads/2022/09/3DP-counter-800.jpg?w=800)

What’s the deal with getting things done? There’s a Seinfeld anecdote that boils down to this: get a calendar, do a thing, and make a big X on each day […read more](https://hackaday.com/2022/09/25/empty-spools-make-useful-tools-like-counters/) ⌘ [Read more](https://hackaday.com/2022/09/25/empty-spools-make-useful-tools-like-counters/) 2022-09-26T05:00:00Z **This Found-Sound Organ Was Made with Python and a Laser Cutter**
![](https://hackaday.com/wp-content/uploads/2022/09/OnDesk_3.jpg?w=800)

Certain among our readership will no doubt remember attaching a playing card to the front fork of one’s bicycle so that the spokes flapped the card as the wheel rotated. […read more](https://hackaday.com/2022/09/25/this-found-sound-organ-was-made-with-python-and-a-laser-cutter/) ⌘ [Read more](https://hackaday.com/2022/09/25/this-found-sound-organ-was-made-with-python-and-a-laser-cutter/) 2022-09-26T08:00:00Z **The Sensory Bridge Is Your Path To A Desktop Rave**
![three sensory bridge audio spectrum analyzers, one in use with a lit LED array plugged in, the other facing the camera and leaning against the third, all on a table](https://hackaday.com/wp-content/uploads/2022/09/sensory_bridge_featured.png?w=800)

[Lixie Labs] are no strangers to creating many projects with LEDs or other displays. Now they’ve created a low latency music visualizer, called the Sensory Bridge, that creates gorgeous li ... ⌘ [Read more](https://hackaday.com/2022/09/26/the-sensory-bridge-is-your-path-to-a-desktop-rave/) 2022-09-26T11:00:00Z **So How Do You Make a Self-Destructing Flash Drive?**
![](https://hackaday.com/wp-content/uploads/2022/09/fsdflash_feat.jpg?w=800)

A self-destructing storage device that vaporizes its contents at the first sign of trouble would be an invaluable tool for many people, but good luck getting your hands on such […read more](https://hackaday.com/2022/09/26/so-how-do-you-make-a-self-destructing-flash-drive/) ⌘ [Read more](https://hackaday.com/2022/09/26/so-how-do-you-make-a-self-destructing-flash-drive/) 2022-09-26T14:00:24Z **Smart Pills Can Tell Your Doctor That You’ve Taken Them**
![](https://hackaday.com/wp-content/uploads/2022/09/SmartPills.jpg?w=800)

We have many kinds of pills available these days to treat all kinds of different disorders. Of course, the problem with pills is that they don’t work if you don’t […read more](https://hackaday.com/2022/09/26/smart-pills-can-tell-your-doctor-that-youve-taken-them/) ⌘ [Read more](https://hackaday.com/2022/09/26/smart-pills-can-tell-your-doctor-that-youve-taken-them/) 2022-09-26T15:00:00Z **Probably The Simplest Radiation Detector You Already Own**
![](https://hackaday.com/wp-content/uploads/2016/11/fallout-shelter-featured.jpg?w=800)

Over the years we’ve featured quite a few radiatioactivity detectors, which usually include a Geiger-Muller tube, or perhaps a large-area photodiode. But in the event of radiation exposure from a […read more](https://hackaday.com/2022/09/26/probably-the-simplest-radiation-detector-you-already-own/) ⌘ [Read more](https://hackaday.com/2022/09/26/probably-the-simplest-radiation-detector-you-already-own/) 2022-09-26T16:00:43Z **Reverse Engineering Hack Chat with Matthew Alt**
![](https://hackaday.com/wp-content/uploads/2022/09/AdobeStock_94578712.jpeg?w=800)

Join us on Wednesday, September 28 at noon Pacific for the Reverse Engineering Hack Chat with Matthew Alt! Our world is full of mysteries, from the nature of time to […read more](https://hackaday.com/2022/09/26/reverse-engineering-hack-chat-with-matthew-alt/) ⌘ [Read more](https://hackaday.com/2022/09/26/reverse-engineering-hack-chat-with-matthew-alt/) 2022-09-26T17:00:06Z **Linux Fu: Atomic Power**
![](https://hackaday.com/wp-content/uploads/2020/05/LinuxFu.jpg?w=800)

People are well aware of the power of virtual machines. If you want to do something dangerous — say, hack on the kernel — you can create a virtual machine, […read more](https://hackaday.com/2022/09/26/linux-fu-atomic-power/) ⌘ [Read more](https://hackaday.com/2022/09/26/linux-fu-atomic-power/) 2022-09-26T18:30:00Z **Tiny Dongle Brings the Hard Drive’s Song Back to Updated Retrocomputers**
![](https://hackaday.com/wp-content/uploads/2022/09/photo_2022-09-05_18-42-49-1024x768-1.jpg?w=800)

Back in the “beige box” days of computing, it was pretty easy to tell what your machine was doing just by listening to it, because the hard drive was constantly […read more](https://hackaday.com/2022/09/26/tiny-dongle-brings-the-hard-drives-song-back-to-updated-retrocomputers/) ⌘ [Read more](https://hackaday.com/2022/09/26/tiny-dongle-brings-the-hard-drives-song-back-to-updated-retrocomputers/) 2022-09-26T20:30:45Z **When 3D Printing Gears, It Pays To Use The Right Resin**
![](https://hackaday.com/wp-content/uploads/2022/09/gears-undamaged.png?w=800)

There are plenty of resins advertised as being suitable for functional applications and parts, but which is best and for what purpose? According to [Jan Mrázek], if one is printing […read more](https://hackaday.com/2022/09/26/when-3d-printing-gears-it-pays-to-use-the-right-resin/) ⌘ [Read more](https://hackaday.com/2022/09/26/when-3d-printing-gears-it-pays-to-use-the-right-resin/) 2022-09-26T21:00:24Z **Watch NASA Crash a Probe Into an Asteroid Tonight**
![](https://hackaday.com/wp-content/uploads/2022/09/dart_feat.jpg?w=800)

Got any plans for tonight? No? Well then you’re in luck, because NASA is just a few hours from intentionally smashing a probe into the minor planet Dimorphos as part […read more](https://hackaday.com/2022/09/26/watch-nasa-crash-a-probe-into-an-asteroid-tonight/) ⌘ [Read more](https://hackaday.com/2022/09/26/watch-nasa-crash-a-probe-into-an-asteroid-tonight/) 2022-09-26T23:00:37Z **Lending a Helping Hand to Hens with AI**
![](https://hackaday.com/wp-content/uploads/2022/09/HenFeatured.jpg?w=800)

As anyone who has taken care of chickens or other poultry before will tell you, it can be backbreaking work. So why not build a robot to do all the […read more](https://hackaday.com/2022/09/26/lending-a-helping-hand-to-hens-with-ai/) ⌘ [Read more](https://hackaday.com/2022/09/26/lending-a-helping-hand-to-hens-with-ai/) 2022-09-27T02:00:00Z **Robotic Platform Is Open Sourced And User Friendly**
![](https://hackaday.com/wp-content/uploads/2022/09/robot-platform-main.png?w=800)

Having a 3D printer or a CNC machine available for projects is almost like magic. Designing parts in software and having them appear on the workbench is definitely a luxury. […read more](https://hackaday.com/2022/09/26/robotic-platform-is-open-sourced-and-user-friendly/) ⌘ [Read more](https://hackaday.com/2022/09/26/robotic-platform-is-open-sourced-and-user-friendly/) 2022-09-27T05:00:00Z **Measuring Impedance Virtually**
![](https://hackaday.com/wp-content/uploads/2022/09/z.png?w=800)

We always enjoy a [FesZ] video and we wonder if the “Z” stands for impedance? That’s the topic of his latest video series: measuring impedance with LTSpice. Of course, he […read more](https://hackaday.com/2022/09/26/measuring-impedance-virtually/) ⌘ [Read more](https://hackaday.com/2022/09/26/measuring-impedance-virtually/) 2022-09-27T08:00:56Z **Building An Old Guitar From a New One**
![](https://hackaday.com/wp-content/uploads/2022/09/danelectro-main.png?w=800)

Anyone who’s ever played guitar to at least the skill level required to form a terrible garage band knows the names of the most legendary guitars. The driving sound of […read more](https://hackaday.com/2022/09/27/building-an-old-guitar-from-a-new-one/) ⌘ [Read more](https://hackaday.com/2022/09/27/building-an-old-guitar-from-a-new-one/) 2022-09-27T11:00:15Z **Add Full-Color Images to Your 3D Prints with Toner Transfer**
![£D printed parts with glossy toner transfer images on](https://hackaday.com/wp-content/uploads/2022/09/20210302_121111_small.jpg?w=800)

Toner transfer is a commonly-used technique for applying text and images to flat surfaces such as PCBs, but anybody who has considered using the same method on 3D prints will […read more](https://hackaday.com/2022/09/27/add-full-color-images-to-your-3d-prints-with-toner-transfer/) ⌘ [Read more](https://hackaday.com/2022/09/27/add-full-color-images-to-your-3d-prints-with-toner-transfer/) 2022-09-27T14:00:08Z **Cursing the Curse of Cursive**
![](https://hackaday.com/wp-content/uploads/2022/09/Cursive.jpg?w=800)

Unlike probably most people, I enjoy the act of writing by hand — but I’ve always disliked signing my name. Why is that? I think it’s because signatures are supposed […read more](https://hackaday.com/2022/09/27/cursing-the-curse-of-cursive/) ⌘ [Read more](https://hackaday.com/2022/09/27/cursing-the-curse-of-cursive/) 2022-09-27T15:30:41Z **Current Loop Extends Wired Microphones Past 1 Km**
![](https://hackaday.com/wp-content/uploads/2022/09/current-loop-audio-featured.jpg?w=800)

A problem which beset early telephone engineers was that as the length of their lines increased, so did the distortion of whatever signal they wanted to transmit. This was corrected […read more](https://hackaday.com/2022/09/27/current-loop-extends-wired-microphones-past-1-km/) ⌘ [Read more](https://hackaday.com/2022/09/27/current-loop-extends-wired-microphones-past-1-km/) 2022-09-27T17:00:20Z **Japan Wants to Decarbonize With The Help of Ammonia**
![](https://hackaday.com/wp-content/uploads/2022/09/osaka.jpg?w=800)

With climate change concerns front of mind, the world is desperate to get to net-zero carbon output as soon as possible. While direct electrification is becoming popular for regular passenger […read more](https://hackaday.com/2022/09/27/japan-wants-to-decarbonize-with-the-help-of-ammonia/) ⌘ [Read more](https://hackaday.com/2022/09/27/japan-wants-to-decarbonize-with-the-help-of-ammonia/) 2022-09-27T18:30:55Z **3D Printing the Key to a Bass Clarinet**
![](https://hackaday.com/wp-content/uploads/2022/09/bass-clarinet-main.jpg?w=800)

Playing music as part of a group typically requires that not only are all of the instruments tuned to each other, but also that the musicians play in a specific […read more](https://hackaday.com/2022/09/27/3d-printing-the-key-to-a-bass-clarinet/) ⌘ [Read more](https://hackaday.com/2022/09/27/3d-printing-the-key-to-a-bass-clarinet/) 2022-09-27T20:00:26Z **Infinite Axis Printing on the Ender 3**
![](https://hackaday.com/wp-content/uploads/2022/09/ezbelt_feat.jpg?w=800)

It’s taken years to perfect them, but desktop 3D printers that uses a conveyor belt instead of a traditional build plate to provide a theoretically infinite build volume are now […read more](https://hackaday.com/2022/09/27/infinite-axis-printing-on-the-ender-3/) ⌘ [Read more](https://hackaday.com/2022/09/27/infinite-axis-printing-on-the-ender-3/) 2022-09-27T23:00:40Z **A Solar-Powered Point-and-Shoot, circa 1961**
![](https://hackaday.com/wp-content/uploads/2022/09/1280x720-vtime12_52-take2022-09-27-14.56.46.png?w=800)

Try to put yourself in the place of an engineer tasked with building a camera in 1961. Your specs include making it easy to operate, giving it automatic exposure control, […read more](https://hackaday.com/2022/09/27/a-solar-powered-point-and-shoot-circa-1961/) ⌘ [Read more](https://hackaday.com/2022/09/27/a-solar-powered-point-and-shoot-circa-1961/) 2022-09-28T02:00:14Z **Trombone Controls Virtual Trombone**
![](https://hackaday.com/wp-content/uploads/2022/09/trombone-champ-main.png?w=800)

Guitar Hero was a cultural phenomenon a little over a decade ago, and showed that there was a real fun time to be had playing a virtual instrument on a […read more](https://hackaday.com/2022/09/27/trombone-controls-virtual-trombone/) ⌘ [Read more](https://hackaday.com/2022/09/27/trombone-controls-virtual-trombone/) 2022-09-28T05:00:49Z **24 Hours of Le Airplanes**
![](https://hackaday.com/wp-content/uploads/2022/09/airplane-endurance-main.png?w=800)

There’s no more famous road endurance race than the 24 Hours of Le Mans, where teams compete to see how far they can drive in a single 24-hour window. The […read more](https://hackaday.com/2022/09/27/24-hours-of-le-airplanes/) ⌘ [Read more](https://hackaday.com/2022/09/27/24-hours-of-le-airplanes/) 2022-09-28T08:00:43Z **Your Mug Will Like This Glowy Coaster**
![laser cut acrylic coaster with rgb leds inside](https://hackaday.com/wp-content/uploads/2022/09/glowy_coaster.jpg?w=800)

[Charlyn] wanted to highlight their friends beautiful mug collection, so the Glowy Coaster was born. The coaster is made up of six layers of laser cut acrylic. The top and […read more](https://hackaday.com/2022/09/28/your-mug-will-like-this-glowy-coaster/) ⌘ [Read more](https://hackaday.com/2022/09/28/your-mug-will-like-this-glowy-coaster/) 2022-09-28T11:00:20Z **Arduino IDE 2.0 is Here**
![Arduino IDE v2.0 screen with callout tags to identify features](https://hackaday.com/wp-content/uploads/2022/09/ide-2-overview-1.png?w=650)

Arduino have released the latest version of their Integrated Development Environment (IDE), Version 2.0 and it is a big step up from the previous release, boasting plenty of new features […read more](https://hackaday.com/2022/09/28/arduino-ide-2-0-is-here/) ⌘ [Read more](https://hackaday.com/2022/09/28/arduino-ide-2-0-is-here/) 2022-09-28T14:00:49Z **Mining and Refining: Sulfur**
![](https://hackaday.com/wp-content/uploads/2022/09/Sulfur.jpg?w=800)

When you think of the periodic table, some elements just have a vibe to them that’s completely unscientific, but nonetheless undeniable. Precious metals like gold and silver are obvious examples, […read more](https://hackaday.com/2022/09/28/mining-and-refining-sulfur/) ⌘ [Read more](https://hackaday.com/2022/09/28/mining-and-refining-sulfur/) 2022-09-28T15:30:18Z **The First Microcomputer: The Q1**
![](https://hackaday.com/wp-content/uploads/2022/09/Q1.jpeg?w=640)

Quiz time, what was the first commercially available microcomputer? The Altair 8800? Something obscure like the SCELBI? The Mark-8 kit? According to [The Byte Attic], it was actually the Q1, […read more](https://hackaday.com/2022/09/28/the-first-microcomputer-the-q1/) ⌘ [Read more](https://hackaday.com/2022/09/28/the-first-microcomputer-the-q1/) 2022-09-28T17:00:26Z **2022 Hackaday Prize: Congratulations to the Winners of the Climate-Resilient Communities Challenge**
![](https://hackaday.com/wp-content/uploads/2022/07/resilient_communities.png?w=800)

Holy humanitarian hacking, Batman! We asked you to come up with your best climate-forward ideas, and you knocked it out of the ionosphere! Once again, the judges had a hard […read more](https://hackaday.com/2022/09/28/2022-hackaday-prize-congratulations-to- ... ⌘ [Read more](https://hackaday.com/2022/09/28/2022-hackaday-prize-congratulations-to-the-winners-of-the-climate-resilient-communities-challenge/) 2022-09-28T18:30:23Z **AI Dreaming Of Time Travel**
![](https://hackaday.com/wp-content/uploads/2022/09/Screen-Shot-2022-09-25-at-2.50.42-PM.png?w=800)

We love the intersection between art and technology, and a video made by an AI (Stable Diffusion) imagining a journey through time (Nitter) is a lovely example. The project is […read more](https://hackaday.com/2022/09/28/ai-dreaming-of-time-travel/) ⌘ [Read more](https://hackaday.com/2022/09/28/ai-dreaming-of-time-travel/) 2022-09-28T20:00:23Z **Recycling Junk E-tags Into A LoRaWAN AQI Sensor**
![e-paper display showing hand-drawn fonts attached to a custom controller PCB](https://hackaday.com/wp-content/uploads/2022/09/5240191663792813826-featured.jpg?w=800)

[Aduecho] had seen those cheap eBay deals of e-paper-based pricing tags, and was wondering if they could be hacked to perform some other tasks. After splitting the case open, the […read more](https://hackaday.com/2022/09/28/recycling-junk-e-tags-into-a-lorawan-aqi-sensor/) ⌘ [Read more](https://hackaday.com/2022/09/28/recycling-junk-e-tags-into-a-lorawan-aqi-sensor/) 2022-09-28T23:00:20Z **A Look Inside an Old-School Synchroscope**
![](https://hackaday.com/wp-content/uploads/2022/09/1280x720-vtime11_49-take2022-09-26-18.18.01.png?w=800)

There’s nothing quite like old-school electrical gear, especially the stuff associated with power distribution. There’s something about the chunky, heavy construction, the thick bakelite cases, and the dials you can […read more](https://hackaday.com/2022/09/28/a-look-inside-an-old-school-synchroscope/) ⌘ [Read more](https://hackaday.com/2022/09/28/a-look-inside-an-old-school-synchroscope/) 2022-09-29T02:00:33Z **The 1337 PNG Hashquine**
![](https://hackaday.com/wp-content/uploads/2022/09/hashquine-featured.jpg?w=800)

A hashquine is a fun way to show off your crypto-tricks — It’s a file that contains its own hash. In some file types it’s trivial, you just pick the […read more](https://hackaday.com/2022/09/28/the-1337-png-hashquine/) ⌘ [Read more](https://hackaday.com/2022/09/28/the-1337-png-hashquine/) 2022-09-29T05:00:22Z **The NES Gets its Own OS**
![](https://hackaday.com/wp-content/uploads/2022/09/nes-os-main.jpg?w=800)

Until recently, most video game systems didn’t need their own operating systems in order to play games. Especially in the cartridge era — the games themselves simply ran directly on […read more](https://hackaday.com/2022/09/28/the-nes-gets-its-own-os/) ⌘ [Read more](https://hackaday.com/2022/09/28/the-nes-gets-its-own-os/)