# 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@72e53a9 # Learn more about Yarn.social at https://yarn.social # # nick = hackaday # url = https://feeds.twtxt.net/hackaday/twtxt.txt # type = rss # source = https://hackaday.com/feed/ # avatar = # description = # updated_at = 2024-09-16T05:23:44Z # 2024-07-10T23:00:35Z **Bring Your Reusable Grocery Bag on Your Head**
![A green hat with a grey zipper is partially opened revealing the grey mesh inside. It is held by two hands manipulating the zipper. The picture is inside a red circle overlaid on top of a tinted image of a workshop. A red line points to an image of a woman looking to the right wearing the green baseball cap.](https://hackaday.com/wp-content/uploads/2024/07/ZHkoAWs-BQk-HD.jpg?w=800)

After decades of taking plastic bags for granted, some places ... ⌘ [Read more](https://hackaday.com/2024/07/10/bring-your-reusable-grocery-bag-on-your-head/) 2024-07-11T02:00:27Z **Hacking Airline WiFi the Hard Way**
![](https://hackaday.com/wp-content/uploads/2024/07/air.png?w=800)

We’ve all been there. You are on a flight, there’s WiFi, but you hate to pay the few bucks just to watch dog videos. What to do? Well, we would […read more](https://hackaday.com/2024/07/10/hacking-airline-wifi-the-hard-way/) ⌘ [Read more](https://hackaday.com/2024/07/10/hacking-airline-wifi-the-hard-way/) 2024-07-11T05:00:01Z **Giving The Original Xbox 256 MB Of Memory**
![](https://hackaday.com/wp-content/uploads/2024/07/How-I-put-256MB-of-RAM-in-the-original-Xbox-39-31-screenshot.png?w=800)

The original Xbox forever changed the console world, because it was basically just PC components laced together in a slightly different architecture. It featured a Pentium 733 MHz CPU with […read more](https://hackaday.com/2024/07/10/giving-the-original-xbox-256-mb-of-memory/) ⌘ [Read more](https://hackaday.com/2024/07/10/giving-the-original-xbox-256-mb-of-memory/) 2024-07-11T08:00:52Z **Celebrating the [Jack Ells] Automatic Photometric Telescope**
![](https://hackaday.com/wp-content/uploads/2024/07/jack_ells.png?w=800)

Here at Hackaday, we take pride in presenting the freshest hacks and the best of what’s going on today in the world of hardware hacking. But sometimes, we stumble upon […read more](https://hackaday.com/2024/07/11/celebrating-the-jack-ells-automatic-photometric-telescope/) ⌘ [Read more](https://hackaday.com/2024/07/11/celebrating-the-jack-ells-automatic-photometric-telescope/) 2024-07-11T11:00:39Z **Ticketmaster SafeTix Reverse-Engineered**
![](https://hackaday.com/wp-content/uploads/2024/07/ticketmaster_feat.jpg?w=800)

Ticketmaster is having a rough time lately. Recently, a hacker named [Conduition] managed to reverse-engineer their new “safe” electronic ticket system. Of course, they also had the recent breach where […read more](https://hackaday.com/2024/07/11/ticketmaster-safetix-reverse-engineered/) ⌘ [Read more](https://hackaday.com/2024/07/11/ticketmaster-safetix-reverse-engineered/) 2024-07-11T14:00:24Z **Embedded Python: MicroPython Is Amazing**
![](https://hackaday.com/wp-content/uploads/2024/06/Python.jpg?w=800)

In case you haven’t heard, about a month ago MicroPython has celebrated its 11th birthday. I was lucky that I was able to start hacking with it soon after pyboards […read more](https://hackaday.com/2024/07/11/embedded-python-micropython-is-amazing/) ⌘ [Read more](https://hackaday.com/2024/07/11/embedded-python-micropython-is-amazing/) 2024-07-11T15:30:43Z **You Can Build A Little Car That Goes Farther Than You Push It**
![](https://hackaday.com/wp-content/uploads/2024/07/This-Car-Travels-Farther-Than-You-Push-It-8-48-screenshot-e1720510379103.png?w=800)

Can you build a car that travels farther than you push it? [Tom Stanton] shows us that you can, using a capacitor and some nifty design tricks. [Tom]’s video shows us […read more](https://hackaday.com/2024/07/11/you-can-build-a-little-car-that-goes-farther-than-you-push-it/) ⌘ [Read more](https://hackaday.com/2024/07/11/you-can-build-a-little-car-that-goes-farther-than-you-push-it/) 2024-07-11T18:30:50Z **2024 Business Card Challenge: The Gift of Music**
![A business card-sized synthesizer with capacitive touch pads.](https://hackaday.com/wp-content/uploads/2024/07/canta-cart-800.jpg?w=540)

Has anyone ever told you that you just can’t carry a tune? If you were to be the lucky recipient of one of [Ayu]’s synthesizer business cards, well, then it […read more](https://hackaday.com/2024/07/11/2024-business-card-challenge-the-gift-of-music/) ⌘ [Read more](https://hackaday.com/2024/07/11/2024-business-card-challenge-the-gift-of-music/) 2024-07-11T20:00:46Z **Newly Completed Overly-Complex Clock Synchronizes Multiple Mechanisms**
![](https://hackaday.com/wp-content/uploads/2024/07/I-Built-a-Marble-and-Domino-Clock-Rube-Goldberg-Machine-2-12-screenshot.png?w=800)

Some time ago [Kelton] was working on a clock inspired by Rube Goldberg contraptions. It uses only a single motor, and he’s proud to now show off the finished product […read more](https://hackaday.com/2024/07/11/newly-completed-overly-complex-clock-synchronizes-mu ... ⌘ [Read more](https://hackaday.com/2024/07/11/newly-completed-overly-complex-clock-synchronizes-multiple-mechanisms/) 2024-07-11T23:00:34Z **Build Your Own Hydroelectric Dam**
![](https://hackaday.com/wp-content/uploads/2024/07/dam.png?w=800)

We have to admit that we often think about building unusual things, but we hadn’t really considered building our own hydroelectric dam before. [Mini Construction] did, apparently, and there’s a […read more](https://hackaday.com/2024/07/11/build-your-own-hydroelectric-dam/) ⌘ [Read more](https://hackaday.com/2024/07/11/build-your-own-hydroelectric-dam/) 2024-07-12T02:00:58Z **Why The 555 Is Not a Timer, But Can Be One**
![](https://hackaday.com/wp-content/uploads/2024/07/pkae_electronics_555_diagram_schematic.jpg?w=800)

Although commonly referred to as a ‘timer IC’, the venerable NE555 and derivatives are in fact not timer ICs. This perhaps controversial statement is the open door that gets kicked […read more](https://hackaday.com/2024/07/11/why-the-555-is-not-a-timer-but-can-be-one/) ⌘ [Read more](https://hackaday.com/2024/07/11/why-the-555-is-not-a-timer-but-can-be-one/) 2024-07-12T05:00:41Z **You Can Use A CRT As An Audio Amplifier Tube**
![](https://hackaday.com/wp-content/uploads/2024/07/Color-CRT-Screen-Used-As-Audio-Amplifier-Tube-8-45-screenshot.png?w=800)

When we talk about audio amplifier tubes, we’re normally talking about the glass little blobby things you might find in a guitar amplifier. We’re not normally talking about big ol’ […read more](https://hackaday.com/2024/07/11/you-can-use-a-crt-as-an-audio-amplifier-tube/) ⌘ [Read more](https://hackaday.com/2024/07/11/you-can-use-a-crt-as-an-audio-amplifier-tube/) 2024-07-12T08:00:20Z **Making SD Cards More Nostalgic With More Cartridge-ness**
![](https://hackaday.com/wp-content/uploads/2024/07/microsd_card_cartridges_with_readers.jpg?w=800)

As practical SD cards are, they lack much of what made floppy disks and cartridges so awesome: room for art and a list of contents, as well as the ability […read more](https://hackaday.com/2024/07/12/making-sd-cards-more-nostalgic-with-more-cartridge-ness/) ⌘ [Read more](https://hackaday.com/2024/07/12/making-sd-cards-more-nostalgic-with-more-cartridge-ness/) 2024-07-12T11:00:02Z **DIY Spacer Increases FDM Flow Rate for Faster, Better Printing**
![](https://hackaday.com/wp-content/uploads/2024/07/spacer.png?w=800)

The host of problems to deal with when you’re feeling the need for FDM speed are many and varied, but high on the list is figuring out how to melt […read more](https://hackaday.com/2024/07/12/diy-spacer-increases-fdm-flow-rate-for-faster-better-printing/) ⌘ [Read more](https://hackaday.com/2024/07/12/diy-spacer-increases-fdm-flow-rate-for-faster-better-printing/) 2024-07-12T14:00:02Z **This Week in Security: Blast-RADIUS, Gitlab, and Plormbing**
![](https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800)

The RADIUS authentication scheme, short for “Remote Authentication Dial-In User Service”, has been widely deployed for user authentication in all sorts of scenarios. It’s a bit odd, in that individual […read more](https://hackaday.com/2024/07/12/this-week-in-security-blast-radius-gitlab-and-plormbing/) ⌘ [Read more](https://hackaday.com/2024/07/12/this-week-in-security-blast-radius-gitlab-and-plormbing/) 2024-07-12T15:00:00Z **Holy Keyboard Case, Batman!**
![A batarang-shaped keyboard with a Batmobile that we wish was a mouse.](https://hackaday.com/wp-content/uploads/2024/07/vengeance-keyboard-800.jpg?w=800)

Whoever thought a keyboard could look so sinister? Well, [rain2] aka [AffectionateWin7178], that’s who. Vengeance is the sixth keyboard they’ve designed, and let’s just say we wouldn’t mind seeing the […read more](https://hackaday.com/2024/07/12/holy-keyboard-case-batman/) ⌘ [Read more](https://hackaday.com/2024/07/12/holy-keyboard-case-batman/) 2024-07-12T16:00:36Z **Hackaday Podcast Episode 279: Solar Flares, Flash Cells, and Free Airline WiFi**
![](https://hackaday.com/wp-content/uploads/2016/05/microphone.jpg?w=800)

Get your weekly fix of great hacks with your guides, Elliot Williams and Al Williams. This week, the guys talk about hacking airline WiFi, vanishing cloud services, and hobbies adjacent […read more](https://hackaday.com/2024/07/12/hackaday-podcast-episode-279-solar-flares-flash-cells-and-free-airline-wifi/) ⌘ [Read more](https://hackaday.com/2024/07/12/hackaday-podcast-episode-279-solar-flares-flash-cells-and-free-airline-wifi/) 2024-07-12T18:30:04Z **Iron Man Arc Reactor Clock Is A Stylish Piece**
![](https://hackaday.com/wp-content/uploads/2024/07/FAJQETELIKAKX2E-e1720684815166.webp?w=800)

Iron Man was the film that kicked off the Marvel craze, and is widely regarded to be better than a lot of the movies that followed. If you’re a big fan […read more](https://hackaday.com/2024/07/12/iron-man-arc-reactor-clock-is-a-stylish-piece/) ⌘ [Read more](https://hackaday.com/2024/07/12/iron-man-arc-reactor-clock-is-a-stylish-piece/) 2024-07-12T20:00:16Z **Home Automation Panel Looks Industrial**
![](https://hackaday.com/wp-content/uploads/2024/07/hapanel.png?w=800)

Modern tech is great, but we have to admit that we sometimes miss when electronic things looked complicated. A modern computer looks dull compared to, say, an IBM 360. Control […read more](https://hackaday.com/2024/07/12/home-automation-panel-looks-industrial/) ⌘ [Read more](https://hackaday.com/2024/07/12/home-automation-panel-looks-industrial/) 2024-07-12T23:00:03Z **Tiny Transceiver Gets It Done with One Transistor**
![](https://hackaday.com/wp-content/uploads/2024/07/pititico.png?w=800)

When we first spotted the article about a one-transistor amateur radio transceiver, we were sure it was a misprint. We’ve seen a lot of simple low-power receivers using a single […read more](https://hackaday.com/2024/07/12/tiny-transceiver-gets-it-done-with-one-transistor/) ⌘ [Read more](https://hackaday.com/2024/07/12/tiny-transceiver-gets-it-done-with-one-transistor/) 2024-07-13T02:00:47Z **Surgery — Not Just For Humans Anymore**
![Amputation and wound care behavior in C. floridanus (A) Illustration of a worker providing wound care on a femur-injured individual. (B) A worker amputating (biting) the injured leg at the trochanter. (C) A worker providing wound care on the newly created trochanter wound after amputation. (D) Percentage of amputations performed on ants with an infected or sterile femur (red) or tibia (blue) injury after 24 h. Numbers above the bars represent the sample size f ... ⌘ [Read more](https://hackaday.com/2024/07/12/surgery-not-just-for-humans-anymore/) 2024-07-13T05:00:16Z **A Teeny 3D-Printed Printing Press, Thanks Gutenberg**
![](https://hackaday.com/wp-content/uploads/2024/07/F57VCWRLYCZXLFN-e1720685525639.jpg?w=800)

The printing press was first invented in 1440 AD by Johannes Gutenberg. It’s not so relevant to our day to day lives today, but it’s a technology that forever changed […read more](https://hackaday.com/2024/07/12/a-teeny-3d-printed-printing-press-thanks-gutenberg/) ⌘ [Read more](https://hackaday.com/2024/07/12/a-teeny-3d-printed-printing-press-thanks-gutenberg/) 2024-07-13T08:00:38Z **Rulers of the Ancient World — Literally!**
![](https://hackaday.com/wp-content/uploads/2024/07/ruler.png?w=800)

If you were expecting a post about ancient kings and queens, you are probably at the wrong website. [Burn Heart] has a fascination with ancient measuring devices and set out […read more](https://hackaday.com/2024/07/13/rulers-of-the-ancient-world-literally/) ⌘ [Read more](https://hackaday.com/2024/07/13/rulers-of-the-ancient-world-literally/) 2024-07-13T11:00:29Z **Particle Physics on a Small, Affordable PCB**
![](https://hackaday.com/wp-content/uploads/2024/07/particle-main.jpeg?w=800)

Experimenting in the world of particle physics probably brings to mind large, expensive pieces of equipment like particle accelerators, or at least exotic elements or isotopes that most of us […read more](https://hackaday.com/2024/07/13/particle-physics-on-a-small-affordable-pcb/) ⌘ [Read more](https://hackaday.com/2024/07/13/particle-physics-on-a-small-affordable-pcb/) 2024-07-13T14:00:35Z **It’s Not Unsual to Love Hacking**
![](https://hackaday.com/wp-content/uploads/2021/01/FavoriteThings.jpg?w=800)

Most of what we do here at Hackaday is look out for cool projects and then write them up so that you all know about them. Nothing is better than […read more](https://hackaday.com/2024/07/13/its-not-unsual-to-love-hacking/) ⌘ [Read more](https://hackaday.com/2024/07/13/its-not-unsual-to-love-hacking/) 2024-07-13T17:00:22Z **The NSA Is Defeated By A 1950s Tape Recorder. Can You Help Them?**
![](https://hackaday.com/wp-content/uploads/2024/07/hopper-tape-featured.jpg?w=800)

One of the towering figures in the evolution of computer science was Grace Hopper, an American mathematician, academic, and Naval reservist, whose work gave us the first programming languages, compilers, […read more](https://hackaday.com/2024/07/13/the-nsa-is-defeated-by-a-1950s-tape-recorder-can-you-help-them/) ⌘ [Read more](https://hackaday.com/2024/07/13/the-nsa-is-defeated-by-a-1950s-tape-recorder-can-you-help-them/) 2024-07-13T20:00:52Z **Docker-Powered Remote Gaming with Games on Whales**
![](https://hackaday.com/wp-content/uploads/2024/07/whalegame_feat.png?w=800)

Cloud gaming services allow even relatively meager devices like set top boxes and cheap Chromebooks play the latest and greatest titles. It’s not perfect of course — latency is the […read more](https://hackaday.com/2024/07/13/docker-powered-remote-gaming-with-games-on-whales/) ⌘ [Read more](https://hackaday.com/2024/07/13/docker-powered-remote-gaming-with-games-on-whales/) 2024-07-13T23:00:36Z **Axial 3D Printer Aces Test Aboard Virgin Spaceplane**
![](https://hackaday.com/wp-content/uploads/2024/07/axial3dp_feat.jpg?w=780)

Here on Earth, being able to 3D print replacement parts is handy, but rarely necessary. If you’ve got a broken o-ring, printing one out is just saving you a trip […read more](https://hackaday.com/2024/07/13/axial-3d-printer-aces-test-aboard-virgin-spaceplane/) ⌘ [Read more](https://hackaday.com/2024/07/13/axial-3d-printer-aces-test-aboard-virgin-spaceplane/) 2024-07-14T02:00:53Z **C++ Design Patterns for Low-Latency Applications**
![](https://hackaday.com/wp-content/uploads/2024/07/speed_improvement_by_optimization_technique_bilokon_et_al_2023.jpg?w=800)

With performance optimizations seemingly having lost their relevance in an era of ever-increasing hardware performance, there are still many good reasons to spend some time optimizing code. In a recent […read more](https://hackaday.com/2024/07/13/c-design-patterns-for-low-latency-applications/) ⌘ [Read more](https://hackaday.com/2024/07/13/c-design-patterns-for-low-latency-applications/) 2024-07-14T05:00:28Z **Print Wave Metal Casting**
![](https://hackaday.com/wp-content/uploads/2024/07/Print-Wave-Metal-Casting_-A-Different-Approach-to-Metal-melting-YouTube-0-2-30.jpeg?w=800)

Direct 3D printing of metal remains out of reach for the hobbyist at the moment, so casting is often the next best thing, particularly given the limitations of 3D printed […read more](https://hackaday.com/2024/07/13/print-wave-metal-casting/) ⌘ [Read more](https://hackaday.com/2024/07/13/print-wave-metal-casting/) 2024-07-14T08:00:16Z **The Mysterious Roman Dodecahedron Was Possibly Just For Knitting**
![](https://hackaday.com/wp-content/uploads/2024/07/roman_dodecahedron_knitting_metal_amy_gaines.jpg?w=800)

Over the years archaeological digs of Roman sites have uncovered many of these strange dodecahedrons, usually made out of metal and with various holes in their faces. With no surviving […read more](https://hackaday.com/2024/07/14/the-mysterious-roman-dodecahedron-was-possibly-just-for-knitting/) ⌘ [Read more](https://hackaday.com/2024/07/14/the-mysterious-roman-dodecahedron-was-possibly-just-for-knitting/) 2024-07-14T11:00:52Z **Ask Hackaday: Has Firefox Finally Gone Too Far?**
![](https://hackaday.com/wp-content/uploads/2024/07/firefox-demise-featured.jpg?w=800)

In a world where so much of our lives depend on the use of online services, the web browser used to access those services becomes of crucial importance. It becomes […read more](https://hackaday.com/2024/07/14/ask-hackaday-has-firefox-finally-gone-too-far/) ⌘ [Read more](https://hackaday.com/2024/07/14/ask-hackaday-has-firefox-finally-gone-too-far/) 2024-07-14T14:00:36Z **Wrap Your Keyboard With A Vacuum Former**
![](https://hackaday.com/wp-content/uploads/2024/07/vac-wrap-kb-featured.jpg?w=800)

Coloured keycaps are a common customisation when it comes to making your input device special. If you are working with modern tech it’s easy, there are plenty of vendors who […read more](https://hackaday.com/2024/07/14/wrap-your-keyboard-with-a-vacuum-former/) ⌘ [Read more](https://hackaday.com/2024/07/14/wrap-your-keyboard-with-a-vacuum-former/) 2024-07-14T17:00:42Z **Undo Arduino Encryption with an Oscilloscope**
![](https://hackaday.com/wp-content/uploads/2024/07/with_delay_02_featured.png?w=800)

Cryptography ain’t easy. Seemingly small details like how many times a computationally intensive loop runs can give the game away. [Lord Feistel] gives us a demo of how this could […read more](https://hackaday.com/2024/07/14/undo-arduino-encryption-with-an-oscilloscope/) ⌘ [Read more](https://hackaday.com/2024/07/14/undo-arduino-encryption-with-an-oscilloscope/) 2024-07-14T20:00:09Z **Five Ways to Repair Broken PCB Traces**
![](https://hackaday.com/wp-content/uploads/2024/07/pcb.png?w=800)

When everything used wires, it was easy to splice them or replace them. Not so much with PC boards, but everyone has their favorite method for repairing a broken trace. […read more](https://hackaday.com/2024/07/14/five-ways-to-repair-broken-pcb-traces/) ⌘ [Read more](https://hackaday.com/2024/07/14/five-ways-to-repair-broken-pcb-traces/) 2024-07-14T23:00:18Z **Hackaday Links: July 14, 2024**
![Hackaday Links Column Banner](https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800)

We’ve been going on at length in this space about the death spiral that AM radio seems to be in, particularly in the automotive setting. Car makers have begun the […read more](https://hackaday.com/2024/07/14/hackaday-links-july-14-2024/) ⌘ [Read more](https://hackaday.com/2024/07/14/hackaday-links-july-14-2024/) 2024-07-15T02:00:30Z **Using Forward- And Reverse-Osmosis to let Astronaut EVA Suits Produce Fresh Water From Urine**
![](https://hackaday.com/wp-content/uploads/2024/07/frspt-05-1391200-g003.jpg?w=505)

An uncomfortable reality with the spacesuits used for extravehicular activities (EVA) – commonly referred to as spacewalks – is that the astronaut spends hours in them, during which normal bodily […read more](https://hackaday.com/2024/07/14/using-forward-and-reverse-os ... ⌘ [Read more](https://hackaday.com/2024/07/14/using-forward-and-reverse-osmosis-to-let-astronaut-eva-suits-produce-fresh-water-from-urine/) 2024-07-15T05:00:43Z **A 64-bit x86 Bootloader from Scratch**
![](https://hackaday.com/wp-content/uploads/2024/07/seg.png?w=800)

For most people, you turn on your computer, and it starts the operating system. However, the reality is much more complex as [Thasso] discovered. Even modern x86 chips start in […read more](https://hackaday.com/2024/07/14/a-64-bit-x86-bootloader-from-scratch/) ⌘ [Read more](https://hackaday.com/2024/07/14/a-64-bit-x86-bootloader-from-scratch/) 2024-07-15T08:00:16Z **Simple Version of Pong Played On a Row of LEDs**
![](https://hackaday.com/wp-content/uploads/2024/07/1dpong_feat.jpg?w=800)

As far as video games go, Pong is already about as simple as it gets. But if even two dimensions is a bit more than you’re looking to tackle, [mircemk] […read more](https://hackaday.com/2024/07/15/simple-version-of-pong-played-on-a-row-of-leds/) ⌘ [Read more](https://hackaday.com/2024/07/15/simple-version-of-pong-played-on-a-row-of-leds/) 2024-07-15T11:00:25Z **Linksys Velop Routers Caught Sending WiFi Creds in the Clear**
![](https://hackaday.com/wp-content/uploads/2024/07/velop_feat.jpg?w=800)

A troubling report from the Belgian consumer protection group Testaankoop: several models of Velop Pro routers from Linksys were found to be sending WiFi configuration data out to a remote […read more](https://hackaday.com/2024/07/15/linksys-velop-routers-caught-sending-wifi-creds-in-the-clear/) ⌘ [Read more](https://hackaday.com/2024/07/15/linksys-velop-routers-caught-sending-wifi-creds-in-the-clear/) 2024-07-15T14:00:31Z **Keebin’ with Kristina: the One with the 24-Hour Macro Pad**
![Illustrated Kristina with an IBM Model M keyboard floating between her hands.](https://hackaday.com/wp-content/uploads/2021/07/Keebin.jpg?w=800)

They say Rome wasn’t built in a day, but this great little music-controlling macro pad by [nibbler] actually was. Why? Because as Hackaday’s own [Donald Papp] reminded us, we all […read more](https://hackaday.com/2024/07/15/keebin-with-kristina-the-one-with-the-24-hour-macro-pa ... ⌘ [Read more](https://hackaday.com/2024/07/15/keebin-with-kristina-the-one-with-the-24-hour-macro-pad/) 2024-07-15T15:30:34Z **Nitric Acid Is The Hot New Way To Pick Locks**
![](https://hackaday.com/wp-content/uploads/2024/07/burglars-using-liquid-to-break-in-what-chemical-could-it-be-v0-wcydpb87cgbd1_453f6b-e1721023889414.webp?w=800)

Lockpicking is a grand skill to have, and one that’s often presumed to be one of the dark arts of the burglar. However, a new technique has come to the […read more](https://hackaday.com/2024/07/15/nitric-acid-is-the-hot-new-way-to-pick-locks/) ⌘ [Read more](https://hackaday.com/2024/07/15/nitric-acid-is-the-hot-new-way-to-pick-locks/) 2024-07-15T18:00:19Z **Reverse-Engineering a Shahed-136 Drone Air Data Computer**
![](https://hackaday.com/wp-content/uploads/2024/07/shahed-136_air_data_computer_module_with_labels.jpg?w=800)

An air data computer (ADC) is a crucial part of an avionics package that can calculate the altitude, vertical speed, air speed and more from pressure (via pitot tubes) and […read more](https://hackaday.com/2024/07/15/reverse-engineering-a-shahed-136-drone-air-data-computer/) ⌘ [Read more](https://hackaday.com/2024/07/15/reverse-engineering-a-shahed-136-drone-air-data-computer/) 2024-07-15T19:06:35Z **Congratulations to the 2024 Business Card Challenge Winners!**
![](https://hackaday.com/wp-content/uploads/2024/05/business_card_challenge_featured.png?w=800)

When you ask a Hackaday crowd to design a business card, you should expect to be surprised by what you get. But still, we were surprised by the breadth of […read more](https://hackaday.com/2024/07/15/congratulations-to-the-2024-business-card-challenge-winners/) ⌘ [Read more](https://hackaday.com/2024/07/15/congratulations-to-the-2024-business-card-challenge-winners/) 2024-07-15T20:00:36Z **How the Bell System Was Built**
![](https://hackaday.com/wp-content/uploads/2024/07/bell.png?w=800)

We’ve often thought that while going to the moon in the 1960s was audacious, it was just the flashiest of many audacious feats attempted and accomplished in the 20th century. […read more](https://hackaday.com/2024/07/15/how-the-bell-system-was-built/) ⌘ [Read more](https://hackaday.com/2024/07/15/how-the-bell-system-was-built/) 2024-07-15T23:00:48Z **Low-Cost Cryocooler Pumps Out Cheap DIY Liquid Nitrogen**
![](https://hackaday.com/wp-content/uploads/2024/07/ln2.png?w=800)

A word of caution if you’re planning to try this cryocooler method for making liquid nitrogen: not only does it involve toxic and flammable gasses and pressures high enough to […read more](https://hackaday.com/2024/07/15/low-cost-cryocooler-pumps-out-cheap-diy-liquid-nitrogen/) ⌘ [Read more](https://hackaday.com/2024/07/15/low-cost-cryocooler-pumps-out-cheap-diy-liquid-nitrogen/) 2024-07-16T02:00:23Z **Turning Horrible Browser Controls Into A Game**
![](https://hackaday.com/wp-content/uploads/2024/07/knob-out-featured.jpg?w=800)

With all of the various keyboards, mouses (mice?), and other human interface devices (HID) available for our computers, there’s no possible way for developers to anticipate every type of input […read more](https://hackaday.com/2024/07/15/turning-horrible-browser-controls-into-a-game/) ⌘ [Read more](https://hackaday.com/2024/07/15/turning-horrible-browser-controls-into-a-game/) 2024-07-16T05:00:35Z **Sharing 3D Printing with Kids**
![](https://hackaday.com/wp-content/uploads/2024/07/kid.png?w=800)

If you have a hobby, it is natural to want to share it with kids. If you are interested in 3D printing, you may even have kids who want to […read more](https://hackaday.com/2024/07/15/sharing-3d-printing-with-kids/) ⌘ [Read more](https://hackaday.com/2024/07/15/sharing-3d-printing-with-kids/) 2024-07-16T08:00:39Z **Flexures Make Robotic Fingers Simpler to Print**
![](https://hackaday.com/wp-content/uploads/2024/07/flex_finger.png?w=800)

Designing an anthropomorphic robotic hand seems to make a lot of sense — right up until the point that you realize just how complex the human hand is. What works […read more](https://hackaday.com/2024/07/16/flexures-make-robotic-fingers-simpler-to-print/) ⌘ [Read more](https://hackaday.com/2024/07/16/flexures-make-robotic-fingers-simpler-to-print/) 2024-07-16T11:00:07Z **Time’s Up For Mbed**
![](https://hackaday.com/wp-content/uploads/2024/07/mbed-eol-featured.jpg?w=800)

In a forum post has come the announcement that mBed, ARM’s accessible microcontroller development platform, is to reach end-of-life in July 2026. This means that the online platform and OS […read more](https://hackaday.com/2024/07/16/times-up-for-mbed/) ⌘ [Read more](https://hackaday.com/2024/07/16/times-up-for-mbed/) 2024-07-16T14:00:18Z **Smart Ball Technology Has Reached Football, But The Euros Show Us It’s Not Necessarily For The Better**
![](https://hackaday.com/wp-content/uploads/2024/07/SmartFootball.jpg?w=800)

The good old fashioned game of football used to be a simple affair. Two teams of eleven, plus a few subs, who were all wrangled by a referee and a […read more](https://hackaday.com/2024/07/16/smart-ball-technology-has-reached-football-but-the-euros-show-us-its ... ⌘ [Read more](https://hackaday.com/2024/07/16/smart-ball-technology-has-reached-football-but-the-euros-show-us-its-not-necessarily-for-the-better/) 2024-07-16T15:30:07Z **Giving People an Owl-like Visual Field via VR Feels Surprisingly Natural**
![](https://hackaday.com/wp-content/uploads/2024/07/Owl-vision-wide.png?w=800)

We love hearing about a good experiment, and here’s a pretty neat one: researchers used a VR headset, an off-the-shelf VR360 camera, and some custom software to glue them together. […read more](https://hackaday.com/2024/07/16/giving-people-an-owl-like-visual-field-via-vr-feels-surprisingly-natural/) ⌘ [Read more](https://hackaday.com/2024/07/16/giving-people-an-owl-like-visual-field-via-vr-feels-surprisingly-natural/) 2024-07-16T17:00:05Z **Show Us Your Minimalist Games, and Win**
![](https://hackaday.com/wp-content/uploads/2024/07/Tiny_Games_featured.png?w=750)

Sometimes the tightest constraints inspire the highest creativity. The 2024 Tiny Games Challenge invites you to have the most fun with the most minimal setup. Whether that’s tiny size, tiny […read more](https://hackaday.com/2024/07/16/show-us-your-minimalist-games-and-win/) ⌘ [Read more](https://hackaday.com/2024/07/16/show-us-your-minimalist-games-and-win/) 2024-07-16T18:30:00Z **CUDA, But Make It AMD**
![](https://hackaday.com/wp-content/uploads/2024/07/punchduggler.png?w=800)

Compute Unified Device Architecture, or CUDA, is a software platform for doing big parallel calculation tasks on NVIDIA GPUs. It’s been a big part of the push to use GPUs […read more](https://hackaday.com/2024/07/16/cuda-but-make-it-amd/) ⌘ [Read more](https://hackaday.com/2024/07/16/cuda-but-make-it-amd/) 2024-07-16T20:00:25Z **Playing Rock, Paper Scissors With A Time of Flight Sensor**
![](https://hackaday.com/wp-content/uploads/2024/07/vlcsnap-00057_be3ac4-e1721114096679.png?w=800)

You can do all kinds of wonderful things with cameras and image recognition. However, sometimes spatial data is useful, too. As [madmcu] demonstrates, you can use depth data from a […read more](https://hackaday.com/2024/07/16/playing-rock-paper-scissors-with-a-time-of-flight-sensor/) ⌘ [Read more](https://hackaday.com/2024/07/16/playing-rock-paper-scissors-with-a-time-of-flight-sensor/) 2024-07-16T23:00:59Z **DME with a Twist of LimeSDR**
![](https://hackaday.com/wp-content/uploads/2024/07/dme.png?w=800)

Navigating aircraft today isn’t like the old days. No more arrows painted on a barn roof or rotating airway beacons. Now, there are a host of radio navigation aids. GPS, […read more](https://hackaday.com/2024/07/16/dme-with-a-twist-of-limesdr/) ⌘ [Read more](https://hackaday.com/2024/07/16/dme-with-a-twist-of-limesdr/) 2024-07-17T02:00:50Z **Remembering Seymour Cray**
![](https://hackaday.com/wp-content/uploads/2024/07/cray.png?w=800)

If you think of supercomputers, it is hard not to think of Seymour Cray. He built giant computers at Control Data Corporation and went on to build the famous Cray […read more](https://hackaday.com/2024/07/16/remembering-seymour-cray/) ⌘ [Read more](https://hackaday.com/2024/07/16/remembering-seymour-cray/) 2024-07-17T05:00:37Z **Seiko Had A Smartwatch In 1984**
![](https://hackaday.com/wp-content/uploads/2024/07/CwtRays-e1721113371575.jpg?w=800)

You might think of the smartwatch era as beginning with Apple, relatively recently. Or, you might think back to those fancy Timex models with the datalink thing going on in […read more](https://hackaday.com/2024/07/16/seiko-had-a-smartwatch-in-1984/) ⌘ [Read more](https://hackaday.com/2024/07/16/seiko-had-a-smartwatch-in-1984/) 2024-07-17T08:00:05Z **A Look at the DEC VT220, A Proper Serial Terminal**
![](https://hackaday.com/wp-content/uploads/2024/07/vt220_feat.jpg?w=800)

If you’re reading Hackaday, we’re willing to bet that if somebody asked you about a serial terminal, you’d immediately think about a piece of software — a tool you run […read more](https://hackaday.com/2024/07/17/a-look-at-the-dec-vt220-a-proper-serial-terminal/) ⌘ [Read more](https://hackaday.com/2024/07/17/a-look-at-the-dec-vt220-a-proper-serial-terminal/) 2024-07-17T11:00:04Z **Hacking an IP Camera To Run Your Own Software**
![](https://hackaday.com/wp-content/uploads/2024/07/Hacking-a-cheap-IP-camera-to-replace-the-manufacturer-software-0-35-screenshot.png?w=800)

Ah, generic unbranded IP cameras. Safe, secure? Probably not. [Alex] has been hacking around with one of his very own, and he’s recently busted the thing wide open. Determining that […read more](https://hackaday.com/2024/07/17/hacking-an-ip-camera-to-run-your-own-software/) ⌘ [Read more](https://hackaday.com/2024/07/17/hacking-an-ip-camera-to-run-your-own-software/) 2024-07-17T14:20:54Z **FDM Filament Troubles: Keeping Hygroscopic Materials From Degrading**
![](https://hackaday.com/wp-content/uploads/2024/07/Wet3D.jpg?w=800)

Despite the reputation of polymers used with FDM 3D printing like nylon, ABS, and PLA as being generally indestructible, they do come with a whole range of moisture-related issues that […read more](https://hackaday.com/2024/07/17/fdm-filament-troubles-keeping-hygroscopic-materials-from-degrading/) ⌘ [Read more](https://hackaday.com/2024/07/17/fdm-filament-troubles-keeping-hygroscopic-materials-from-degrading/) 2024-07-17T15:30:03Z **Making Art With Maxwell’s Equations**
![](https://hackaday.com/wp-content/uploads/2024/07/Bouncing-electromagnetic-source-1-54-screenshot-e1721115153603.png?w=800)

When you think of art, you might think of portraiture, landscapes, or other kinds of paintings. But mathematics can feel artistic at times, too. We’ve all seen gorgeous Mandelbrot fractals, […read more](https://hackaday.com/2024/07/17/making-art-with-maxwells-equations/) ⌘ [Read more](https://hackaday.com/2024/07/17/making-art-with-maxwells-equations/) 2024-07-17T17:00:18Z **Hacker Tactic: Single-PCB Panels**
![](https://hackaday.com/wp-content/uploads/2024/06/hadimg_ht_panelization_5a.jpg?w=800)

Ordering a PCB? Two of them? Three? Five? For about eight years now, I’ve been regularly ordering large numbers of different PCBs, and, naturally, have developed a toolkit to make […read more](https://hackaday.com/2024/07/17/hacker-tactic-single-pcb-panels/) ⌘ [Read more](https://hackaday.com/2024/07/17/hacker-tactic-single-pcb-panels/) 2024-07-17T18:30:28Z **FLOSS Weekly Episode 792: Rust Coreutils**
![](https://hackaday.com/wp-content/uploads/2021/06/Pipewire.jpg?w=800)

This week Jonathan Bennett and Jeff Massie chat with Sylvestre Ledru about the Rust Coreutils! Why would we want to re-implement 50 year old utilities, what’s the benefit of doing […read more](https://hackaday.com/2024/07/17/floss-weekly-episode-792-rust-coreutils/) ⌘ [Read more](https://hackaday.com/2024/07/17/floss-weekly-episode-792-rust-coreutils/) 2024-07-17T20:00:42Z **Digitally Reading a Micrometer’s Output**
![](https://hackaday.com/wp-content/uploads/2024/07/Screenshot-2024-07-16-180021-e1721117194784.png?w=800)

If you’re instrumenting your machine tools, or if you’re just curious, you might want to get granular access to the output of a digital micrometer or the like. [Tommy] set […read more](https://hackaday.com/2024/07/17/digitally-reading-a-micrometers-output/) ⌘ [Read more](https://hackaday.com/2024/07/17/digitally-reading-a-micrometers-output/) 2024-07-17T23:00:43Z **Office Supplies Make Math Sculptures If You Know What You’re Doing**
![](https://hackaday.com/wp-content/uploads/2024/07/snubpaperclip-oblique_31a0c6.jpg?w=800)

Ever been fiddling around at your desk in the office, wondering if some grander structure might come from an assemblage of paper clips, pens, and binder clips? You’re not alone. […read more](https://hackaday.com/2024/07/17/office-supplies-make-math-sculptures-if-you-know-what-youre-doing/) ⌘ [Read more](https://hackaday.com/2024/07/17/office-supplies-make-math-sculptures-if-you-know-what-youre-doing/) 2024-07-18T02:00:29Z **Las Vegas’ Sphere: Powered By Nvidia GPUs and with Impressive Power Bill**
![](https://hackaday.com/wp-content/uploads/2024/07/Sphere-Exosphere.jpg?w=800)

As the United States’ pinnacle of extravaganza, the Las Vegas Strip and the rest of the town of Paradise are on a seemingly never-ending quest to become brighter, glossier and […read more](https://hackaday.com/2024/07/17/las-vegas-sphere-powered-by-nvidia-gpus-and-with-impressive-power-bill/) ⌘ [Read more](https://hackaday.com/2024/07/17/las-vegas-sphere-powered-by-nvidia-gpus-and-with-impressive-power-bill/) 2024-07-18T05:00:13Z **Free and Open E-Reader from the Ground Up**
![](https://hackaday.com/wp-content/uploads/2024/07/ereader-main.jpg?w=638)

Although ebooks and e-readers have a number of benefits over reading an analog paper book as well as on more common electronic devices like tablets, most of them are locked […read more](https://hackaday.com/2024/07/17/free-and-open-e-reader-from-the-ground-up/) ⌘ [Read more](https://hackaday.com/2024/07/17/free-and-open-e-reader-from-the-ground-up/) 2024-07-18T08:00:49Z **Are Hackers The Future of Amateur Radio?**
![](https://hackaday.com/wp-content/uploads/2016/01/hamradio.jpg?w=800)

If amateur radio has a problem, it’s that shaking off an image of being the exclusive preserve of old men with shiny radios talking about old times remains a challenge. […read more](https://hackaday.com/2024/07/18/are-hackers-the-future-of-amateur-radio/) ⌘ [Read more](https://hackaday.com/2024/07/18/are-hackers-the-future-of-amateur-radio/) 2024-07-18T11:00:50Z **Lasers Could Help Us Recycle Plastics Into Carbon Dots**
![](https://hackaday.com/wp-content/uploads/2024/07/2024-ME-Yuebing-Zheng-Lab-47-e1721116027857.jpg?w=800)

As it turns out, a great deal of plastics are thrown away every year, a waste which feels ever growing. Still, as reported by Sci-Tech Daily, there may be help on […read more](https://hackaday.com/2024/07/18/lasers-could-help-us-recycle-plastics-into-carbon-dots/) ⌘ [Read more](https://hackaday.com/2024/07/18/lasers-could-help-us-recycle-plastics-into-carbon-dots/) 2024-07-18T14:00:01Z **Secrets of the Old Digital Design Titans**
Designing combinatorial digital circuits seems like it should be easy. After all, you can do everything you want with just AND, OR, and NOT gates. Bonus points if you have […read more](https://hackaday.com/2024/07/18/secrets-of-the-old-digital-design-titans/) ⌘ [Read more](https://hackaday.com/2024/07/18/secrets-of-the-old-digital-design-titans/) 2024-07-18T15:30:52Z **This Modded Shopping Cart Probably Isn’t Street Legal**
![](https://hackaday.com/wp-content/uploads/2024/07/drift-main.png?w=800)

If you don’t count the high center of gravity, the weight limit, the weak chassis, or the small size, a standard shopping cart is an almost ideal platform for building […read more](https://hackaday.com/2024/07/18/this-modded-shopping-cart-probably-isnt-street-legal/) ⌘ [Read more](https://hackaday.com/2024/07/18/this-modded-shopping-cart-probably-isnt-street-legal/) 2024-07-18T17:00:25Z **Supercon 2023: Bringing Arcade Classics to New Hardware**
![](https://hackaday.com/wp-content/uploads/2024/07/hickman23_feat.jpg?w=800)

The processing power of modern game consoles is absolutely staggering when compared to the coin-op arcade machines of the early 1980s. Packed with terabytes of internal storage and gigabytes of […read more](https://hackaday.com/2024/07/18/supercon-2023-bringing-arcade-classics-to-new-hardware/) ⌘ [Read more](https://hackaday.com/2024/07/18/supercon-2023-bringing-arcade-classics-to-new-hardware/) 2024-07-18T18:30:55Z **A Nostalgic Look at a Kid’s Shortwave Resistor**
![](https://hackaday.com/wp-content/uploads/2024/07/sw.png?w=800)

[Mikrowave1] had a Unelco shortwave receiver as a kid. This was a typical simple radio for the 1960s using germanium and silicon transistors. It also had plug-in coils you had […read more](https://hackaday.com/2024/07/18/a-nostalgic-look-at-a-kids-shortwave-resistor/) ⌘ [Read more](https://hackaday.com/2024/07/18/a-nostalgic-look-at-a-kids-shortwave-resistor/) 2024-07-18T20:00:16Z **Single-Stepping the 6502 Processor**
![](https://hackaday.com/wp-content/uploads/2024/07/6502-single-main.png?w=800)

Although marketing folk and laypeople may credit [Steve Jobs] as the man behind the success of Apple, those in the tech world know the real truth that without [Steve Wozniak] […read more](https://hackaday.com/2024/07/18/single-stepping-the-6502-processor/) ⌘ [Read more](https://hackaday.com/2024/07/18/single-stepping-the-6502-processor/) 2024-07-18T23:00:21Z **Using OpenCV To Catch a Hungry Thief**
![](https://hackaday.com/wp-content/uploads/2024/07/racoon.jpg?w=785)

[Scott] has a neat little closet in his carport that acts as a shelter and rest area for their outdoor cat, Rory. She has a bed and food and water, […read more](https://hackaday.com/2024/07/18/using-opencv-to-catch-a-hungry-thief/) ⌘ [Read more](https://hackaday.com/2024/07/18/using-opencv-to-catch-a-hungry-thief/) 2024-07-19T02:00:32Z **Retrotechtacular: Ford Model T Wheels, Start to Finish**
![](https://hackaday.com/wp-content/uploads/2024/07/ford_wheels.png?w=800)

There’s no doubt that you’ll instantly recognize clips from the video below, as they’ve been used over and over for more than 100 years to illustrate the development of the […read more](https://hackaday.com/2024/07/18/retrotechtacular-ford-model-t-wheels-start-to-finish/) ⌘ [Read more](https://hackaday.com/2024/07/18/retrotechtacular-ford-model-t-wheels-start-to-finish/) 2024-07-19T05:00:01Z **Mechanical Keyboard + Laptop = Clacktop**
![A Lenovo Yoga with a mechanical keyboard, held up by its creator.](https://hackaday.com/wp-content/uploads/2024/07/mechanical-laptop-800.jpg?w=800)

What do you do when your laptop keyboard breaks for the second time? Well, most people might use an external keyboard until they couldn’t take it anymore and bought a […read more](https://hackaday.com/2024/07/18/mechanical-keyboard-laptop-clacktop/) ⌘ [Read more](https://hackaday.com/2024/07/18/mechanical-keyboard-laptop-clacktop/) 2024-07-19T08:00:34Z **Retro Calculator Panders to Trekkies… or Trekkers**
![](https://hackaday.com/wp-content/uploads/2024/07/trek.png?w=800)

Back in 1976, when calculators were not common or cheap, a company named MEGO made the Star Trekulator: a calculator sporting a Star Trek theme. However, it was a bit […read more](https://hackaday.com/2024/07/19/retro-calculator-panders-to-trekkies-or-trekkers/) ⌘ [Read more](https://hackaday.com/2024/07/19/retro-calculator-panders-to-trekkies-or-trekkers/) 2024-07-19T11:00:18Z **Carbon–Cement Supercapacitors Proposed as an Energy Storage Solution**
![](https://hackaday.com/wp-content/uploads/2024/07/carbon-concrete_supercapacitor.jpg?w=800)

Although most energy storage solutions on a grid-level focus on batteries, a group of researchers at MIT and Harvard University have proposed using supercapacitors instead, with their 2023 research article […read more](https://hackaday.com/2024/07/19/carbon-cement-supercapacitors-proposed-as-an-energy-stor ... ⌘ [Read more](https://hackaday.com/2024/07/19/carbon-cement-supercapacitors-proposed-as-an-energy-storage-solution/) 2024-07-19T14:00:33Z **This Week in Security: Snowflake, The CVD Tension, and Kaspersky’s Exit — And Breaking BSOD**
![](https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800)

In the past week, AT&T has announced an absolutely massive data breach. This is sort of a multi-layered story, but it gives me an opportunity to use my favorite piece […read more](https://hackaday.com/2024/07/19/this-week-in-security-snowflake-the-cvd-tension-and-kasperskys-exit-and-break ... ⌘ [Read more](https://hackaday.com/2024/07/19/this-week-in-security-snowflake-the-cvd-tension-and-kasperskys-exit-and-breaking-bsod/) 2024-07-19T15:30:13Z **So You Can Tuna Fish**
![A tuna fish with several probes sticking out of it.](https://hackaday.com/wp-content/uploads/2024/07/tuna-fish-800.jpg?w=800)

You know what they say. But it’s 2024, after all. Shouldn’t you be able to tune a fish by now? As [ChromaLock] shows us in the video below, it’s absolutely […read more](https://hackaday.com/2024/07/19/so-you-can-tuna-fish/) ⌘ [Read more](https://hackaday.com/2024/07/19/so-you-can-tuna-fish/) 2024-07-19T17:00:47Z **Supercon 2023: [Pierce Nichols] is Teaching Robots To Sail**
![An image of a man in glasses in a circle placed on a black background. The title "Pierce Nichols: Teaching Robots to Sail" is on white lettering in the bottom left corner.](https://hackaday.com/wp-content/uploads/2024/07/Pierce-Nichols_-Teaching-Robots-To-Sail-YouTube-0-1-43.jpeg?w=800)

Sailing the high seas with the wind conjures a romantic notion of grizzled sailors fending off pirates and sea monsters, but until the ... ⌘ [Read more](https://hackaday.com/2024/07/19/supercon-2023-pierce-nichols-is-teaching-robots-to-sail/) 2024-07-19T16:00:51Z **Hackaday Podcast Episode 280: TV Tubes as Amplifiers, Smart Tech in Sportsballs, and Adrian Gives Us the Fingie**
![](https://hackaday.com/wp-content/uploads/2016/05/microphone.jpg?w=800)

Despite the summer doldrums, it was another big week in the hacking world, and Elliot sat down with Dan for a rundown. Come along for the ride as Dan betrays […read more](https://hackaday.com/2024/07/19/hackaday-podcast-episode-280-tv-tubes-as- ... ⌘ [Read more](https://hackaday.com/2024/07/19/hackaday-podcast-episode-280-tv-tubes-as-amplifiers-smart-tech-in-sportsballs-and-adrian-gives-us-the-fingie/) 2024-07-19T18:30:42Z **How Ten Turn Pots Are Made**
![](https://hackaday.com/wp-content/uploads/2024/07/turn10.png?w=800)

It is easy to think of a potentiometer as a simple device, but there are many nuances. For example, some pots are linear — a change of a few degrees […read more](https://hackaday.com/2024/07/19/how-ten-turn-pots-are-made/) ⌘ [Read more](https://hackaday.com/2024/07/19/how-ten-turn-pots-are-made/) 2024-07-19T20:00:00Z **Watch This RC Jet Thrust System Dance**
![](https://hackaday.com/wp-content/uploads/2024/07/EDF-thrust-vectoring-optimized.gif?w=600)

An EDF (electric duct fan) is a motor that basically functions as a jet engine for RC aircraft. They’re built for speed, but to improve maneuverability (and because it’s super cool) […read more](https://hackaday.com/2024/07/19/watch-this-rc-jet-thrust-system-dance/) ⌘ [Read more](https://hackaday.com/2024/07/19/watch-this-rc-jet-thrust-system-dance/) 2024-07-19T23:00:24Z **Desiccants, Tested Side By Side**
![](https://hackaday.com/wp-content/uploads/2024/07/desiccants-featured.jpg?w=800)

We’re so used to seeing a little sachet of desiccant drop out of a package when we open it, that we seldom consider these essential substances. But anyone who spends […read more](https://hackaday.com/2024/07/19/desiccants-tested-side-by-side/) ⌘ [Read more](https://hackaday.com/2024/07/19/desiccants-tested-side-by-side/) 2024-07-20T02:00:23Z **The Continuing Venusian Mystery of Phosphine and Ammonia**
![](https://hackaday.com/wp-content/uploads/2021/06/NASA_Cloud_City_on_Venus.jpg?w=800)

The planet Venus is in so many ways an enigma. It’s a sister planet to Earth and also within relatively easy reach of our instruments and probes, yet we nevertheless […read more](https://hackaday.com/2024/07/19/the-continuing-venusian-mystery-of-phosphine-and-ammonia/) ⌘ [Read more](https://hackaday.com/2024/07/19/the-continuing-venusian-mystery-of-phosphine-and-ammonia/) 2024-07-20T05:00:48Z **Modern In-Circuit Emulator for the 6809**
![](https://hackaday.com/wp-content/uploads/2024/07/6809_1.webp?w=800)

The Motorola 6809, released in 1978, was the follow-up to their 6800 from four years earlier. It’s a powerful little chip with many 16-bit features, although it’s an 8-bit micro […read more](https://hackaday.com/2024/07/19/modern-in-circuit-emulator-for-the-6809/) ⌘ [Read more](https://hackaday.com/2024/07/19/modern-in-circuit-emulator-for-the-6809/) 2024-07-20T08:00:36Z **Robot Seeks and Sucks Up Cigarette Butts, With Its Feet**
![](https://hackaday.com/wp-content/uploads/2024/07/VERO_-a-Vacuum-cleaner-Equipped-Quadruped-RObot-for-Efficient-Litter-Removal-0-51-screenshot.png?w=800)

It would be better if humans didn’t toss cigarette butts on the ground in the first place, but change always takes longer than we think it should. In the meantime, […read more](https://hackaday.com/2024/07/20/robot-seeks-and-sucks-up-cigarette-butts-with-its-feet/) ⌘ [Read more](https://hackaday.com/2024/07/20/robot-seeks-and-sucks-up-cigarette-butts-with-its-feet/) 2024-07-20T11:00:47Z **Sealed Packs of Pokémon Cards Give Up Their Secrets Without Opening Them**
![](https://hackaday.com/wp-content/uploads/2024/07/Pokemon-Peek-at-Chu.png?w=800)

[Ahron Wayne] succeeded in something he’s been trying to accomplish for some time: figuring out what’s inside a sealed Pokémon card packet without opening it. There’s a catch, however. It […read more](https://hackaday.com/2024/07/20/sealed-packs-of-pokemon-cards-give-up-their-secrets-without-opening-them/) ⌘ [Read more](https://hackaday.com/2024/07/20/sealed-packs-of-pokemon-cards-give-up-their-secrets-without-opening-them/) 2024-07-20T14:00:02Z **Do Your Research**
![](https://hackaday.com/wp-content/uploads/2020/04/code-library-featured.jpg?w=800)

We were talking about a sweet hack this week, wherein [Alex] busts the encryption for his IP web cam firmware so that he can modify it later. He got a […read more](https://hackaday.com/2024/07/20/do-your-research/) ⌘ [Read more](https://hackaday.com/2024/07/20/do-your-research/) 2024-07-20T17:00:23Z **2024 Business Card Challenge: CardTunes Bluetooth Speaker**
![](https://hackaday.com/wp-content/uploads/2024/07/3495041719637008223.jpg?w=800)

A business card form factor can be quite limiting, but that didn’t stop [Schwimmflugel] from creating CardTunes, an ESP32-based Bluetooth audio speaker that tried something innovative to deliver the output. […read more](https://hackaday.com/2024/07/20/2024-business-card-challenge-cardtunes-bluetooth-speaker/) ⌘ [Read more](https://hackaday.com/2024/07/20/2024-business-card-challenge-cardtunes-bluetooth-speaker/) 2024-07-20T20:00:09Z **This Vintage Computing Device is No Baby Food**
![](https://hackaday.com/wp-content/uploads/2024/07/tape.png?w=800)

Today, if you want a computer for a particular task, you go shopping. But in the early days of computing, exotic applications needed custom computers. What’s more is that with […read more](https://hackaday.com/2024/07/20/this-vintage-computing-device-is-no-baby-food/) ⌘ [Read more](https://hackaday.com/2024/07/20/this-vintage-computing-device-is-no-baby-food/) 2024-07-20T23:00:48Z **New Additive Manufacturing Contenders: HIP and Centrifugal Printing**
![](https://hackaday.com/wp-content/uploads/2024/07/fugo_precision_3d_printer.jpg?w=800)

Additive Manufacturing (AM) is a field of ever-growing importance, with many startups and existing companies seeking to either improve on existing AM technologies or market new approaches. At the RAPID […read more](https://hackaday.com/2024/07/20/new-additive-manufacturing-contenders-hip-and-centrifugal-printing/) ⌘ [Read more](https://hackaday.com/2024/07/20/new-additive-manufacturing-contenders-hip-and-centrifugal-printing/) 2024-07-21T02:00:45Z **Working Through The Art of Electronics Exercises**
![](https://hackaday.com/wp-content/uploads/2024/07/aoe.png?w=800)

[The Engineering Experience] has an ambitious series of videos. He’s working through circuit examples from the awesome book “The Art of Electronics.” In the latest installment, he’s looking at a […read more](https://hackaday.com/2024/07/20/working-through-the-art-of-electronics-exercises/) ⌘ [Read more](https://hackaday.com/2024/07/20/working-through-the-art-of-electronics-exercises/) 2024-07-21T05:00:15Z **Using Femtosecond Laser Pulses to Induce Metastable Hidden States in Magnetite**
![Sketch of the UED setup at EPFL, 1) Electron gun, 2) High-Voltage connector, 3) Photo-cathode, 4) Anode, 5) Collimating solenoid, 6) Steering plates, 7) Focusing solenoid, 8) RF cavity, 9) Sample holder, 10) Cryostat, 11) Electron detector, 12) Turbo pump, 13) Ion gauge. Credit: Proceedings of the National Academy of Sciences (2024). DOI: 10.1073/pnas.2316438121](https://hackad ... ⌘ [Read more](https://hackaday.com/2024/07/20/using-femtosecond-laser-pulses-to-induce-metastable-hidden-states-in-magnetite/) 2024-07-21T08:00:12Z **All About PNP Transistors**
![](https://hackaday.com/wp-content/uploads/2024/07/pnp.png?w=800)

In the early days, PNP bipolar transistors were common, but the bulk of circuits you see today use NPN transistors. As [Aaron Danner] points out, many people think PNP transistors […read more](https://hackaday.com/2024/07/21/all-about-pnp-transistors/) ⌘ [Read more](https://hackaday.com/2024/07/21/all-about-pnp-transistors/) 2024-07-21T11:00:08Z **Welding Wood Is As Simple as Rubbing Two Sticks Together**
![](https://hackaday.com/wp-content/uploads/2024/07/wood_welding.png?w=800)

Can you weld wood? It seems like a silly question — if you throw a couple of pieces of oak on the welding table and whip out the TIG torch, […read more](https://hackaday.com/2024/07/21/welding-wood-is-as-simple-as-rubbing-two-sticks-together/) ⌘ [Read more](https://hackaday.com/2024/07/21/welding-wood-is-as-simple-as-rubbing-two-sticks-together/) 2024-07-21T14:00:34Z **Ask Hackaday: Should We Teach BASIC?**
![](https://hackaday.com/wp-content/uploads/2024/07/basic.png?w=800)

Suppose you decide you want to become a novelist. You enroll in the Hackaday Famous Novelists School where your instructor announces that since all truly great novels are written in […read more](https://hackaday.com/2024/07/21/ask-hackaday-should-we-teach-basic/) ⌘ [Read more](https://hackaday.com/2024/07/21/ask-hackaday-should-we-teach-basic/) 2024-07-21T17:00:00Z **Powering Biology with Batteries**
![A cartoon of the Sun above a windmill and a solar panel with a lightning bolt going to a big grey gear with "AAAp" written on it. A small "e-" on a circle is next to it, indicating electricity transfer. Further to the right is an ADP molecule connected to a curved arrow going through the AAAp gear to turn into ATP. Three cartoon shapes, presumably illustrating biological processes are on the right with arrows pointing from the ATP.](https://hackaday.com/wp-content/uploa ... ⌘ [Read more](https://hackaday.com/2024/07/21/powering-biology-with-batteries/) 2024-07-21T20:00:27Z **A Modchip for a Fridge**
![](https://hackaday.com/wp-content/uploads/2024/07/555-fridge-featured.jpg?w=800)

An annoying fridge that beeps incessantly when the door is open too long should be an easy enough thing to fix by disconnecting the speaker, but when as with [kennedn]’s […read more](https://hackaday.com/2024/07/21/a-modchip-for-a-fridge/) ⌘ [Read more](https://hackaday.com/2024/07/21/a-modchip-for-a-fridge/) 2024-07-21T23:00:25Z **Hackaday Links: July 21, 2024**
![Hackaday Links Column Banner](https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800)

When monitors around the world display a “Blue Screen of Death” and you know it’s probably your fault, it’s got to be a terrible, horrible, no good, very bad day […read more](https://hackaday.com/2024/07/21/hackaday-links-july-21-2024/) ⌘ [Read more](https://hackaday.com/2024/07/21/hackaday-links-july-21-2024/) 2024-07-22T02:00:02Z **CeraMetal Lets You Print Metal, Cheaply and Easily**
![](https://hackaday.com/wp-content/uploads/2024/07/teaser-760x252-1.jpg?w=760)

3D printing metal has been somewhat of a holy grail for the last decade in the hobby 3DP scene. We’ve seen a number of solutions, including using expensive filaments that […read more](https://hackaday.com/2024/07/21/cerametal-lets-you-print-metal-cheaply-and-easily/) ⌘ [Read more](https://hackaday.com/2024/07/21/cerametal-lets-you-print-metal-cheaply-and-easily/) 2024-07-22T05:00:05Z **Coax Stub Filters Demystified**
![](https://hackaday.com/wp-content/uploads/2024/07/stub_filters.png?w=800)

Unless you hold a First Degree RF Wizard rating, chances are good that coax stubs seem a bit baffling to you. They look for all the world like short circuits […read more](https://hackaday.com/2024/07/21/coax-stub-filters-demystified/) ⌘ [Read more](https://hackaday.com/2024/07/21/coax-stub-filters-demystified/) 2024-07-22T08:00:02Z **An AVO 8 Teardown**
![](https://hackaday.com/wp-content/uploads/2024/07/avo.png?w=800)

AVO meters — literally amp, volt, ohm meters — are not very common in North America but were staples in the UK. [TheHWcave] found an AVO 8 that is probably […read more](https://hackaday.com/2024/07/22/an-avo-8-teardown/) ⌘ [Read more](https://hackaday.com/2024/07/22/an-avo-8-teardown/) 2024-07-22T11:00:00Z **FauxTRS Is Definitely Not A Trash 80**
![](https://hackaday.com/wp-content/uploads/2024/07/faux-80-featured.jpg?w=800)

Among the 8-bit home micro boom from the late 1970s through early 1980s, the introduction to computing for many wasn’t a pricey Apple or Commodore, instead it was the slightly […read more](https://hackaday.com/2024/07/22/fauxtrs-is-definitely-not-a-trash-80/) ⌘ [Read more](https://hackaday.com/2024/07/22/fauxtrs-is-definitely-not-a-trash-80/) 2024-07-22T14:00:02Z **Reviewing Nuclear Accidents: Separating Fact From Fiction**
![](https://hackaday.com/wp-content/uploads/2023/01/NuclearFuel.jpg?w=800)

Few types of accidents speak as much to the imagination as those involving nuclear fission. From the unimaginable horrors of the nuclear bombs on Nagasaki and Hiroshima, to the fever-pitch […read more](https://hackaday.com/2024/07/22/reviewing-nuclear-accidents-separating-fact-from-fiction/) ⌘ [Read more](https://hackaday.com/2024/07/22/reviewing-nuclear-accidents-separating-fact-from-fiction/) 2024-07-22T15:30:30Z **Making a Solid State 6AK8 Tube**
![](https://hackaday.com/wp-content/uploads/2024/07/tube.png?w=800)

[M Caldeira] had a project in mind: replacing a common vacuum tube with a solid-state equivalent. The tube in question was an EABC80 or 6AK8 triple diode triode. The key […read more](https://hackaday.com/2024/07/22/making-a-solid-state-6ak8-tube/) ⌘ [Read more](https://hackaday.com/2024/07/22/making-a-solid-state-6ak8-tube/) 2024-07-22T17:00:44Z **Small Mammals Appear To Have A Secret Infrared Sense**
![](https://hackaday.com/wp-content/uploads/2024/07/Lab_mouse_mg_3263.jpg?w=800)

If you’ve ever watched Predator, you’ve noted the tactical advantage granted to the alien warrior by its heat vision. Indeed, even with otherwise solid camoflauge, Dutch and his squad ended up […read more](https://hackaday.com/2024/07/22/small-mammals-appear-to-have-a-secret-infrared-sense/) ⌘ [Read more](https://hackaday.com/2024/07/22/small-mammals-appear-to-have-a-secret-infrared-sense/) 2024-07-22T18:30:35Z **A Throne for LEGO Baron Harkonnen**
![A custom LEGO throne for Dune's Baron Harkonnen.](https://hackaday.com/wp-content/uploads/2024/07/baron-throne-800.jpg?w=800)

If you’re both a LEGO and a Dune fan, unless you’ve been living in a cave on Mars with your eyes shut and fingers in your ears, you’re probably aware […read more](https://hackaday.com/2024/07/22/a-throne-for-lego-baron-harkonnen/) ⌘ [Read more](https://hackaday.com/2024/07/22/a-throne-for-lego-baron-harkonnen/) 2024-07-22T20:00:02Z **Bluetooth Printer works with AppleTalk**
![A small, white thermal printer with a cartoon cat face above the paper outlet. It is sitting on a black mat on top of a pale wooden table. A Raspberry Pi sits nearby.](https://hackaday.com/wp-content/uploads/2024/07/fpQU-U4yY6s-SD.jpg?w=640)

For retrocomputing enthusiasts, getting old computers to work with newer peripherals can be an exciting challenge or horrible headache. If you need to print out receipts from an old Mac, […read more](https://hackaday. ... ⌘ [Read more](https://hackaday.com/2024/07/22/bluetooth-printer-works-with-appletalk/) 2024-07-22T23:00:49Z **CW Not Hard Enough? Try This Tiny Paddle**
![](https://hackaday.com/wp-content/uploads/2024/07/paddle-main.png?w=800)

For a long time, a Morse code proficiency was required to obtain an amateur radio license in many jurisdictions around the world, which was a much higher bar of entry […read more](https://hackaday.com/2024/07/22/cw-not-hard-enough-try-this-tiny-paddle/) ⌘ [Read more](https://hackaday.com/2024/07/22/cw-not-hard-enough-try-this-tiny-paddle/) 2024-07-23T02:00:43Z **Mechanical Intelligence and Counterfeit Humanity**
![Credit: Daniel Baxter](https://hackaday.com/wp-content/uploads/2024/07/mechanical_intelligence-counterfeit_humanity_cropped.jpg?w=800)

It would seem fair to say that the second half of last century up till the present day has been firmly shaped by our relation with technology and that of […read more](https://hackaday.com/2024/07/22/mechanical-intelligence-and-counterfeit-humanity/) ⌘ [Read more](https://hackaday.com/2024/07/22/mechanical-intelligence-and-counterfeit-humanity/) 2024-07-23T05:00:47Z **Exploring Cheap Tantalum Caps of Mysterious Provenance**
![](https://hackaday.com/wp-content/uploads/2024/07/crap_tantalum.png?w=800)

We’ve all heard about the perils of counterfeit chips, and more than a few of us have probably been bitten by those scruple-free types who run random chips through a […read more](https://hackaday.com/2024/07/22/exploring-cheap-tantalum-caps-of-mysterious-provenance/) ⌘ [Read more](https://hackaday.com/2024/07/22/exploring-cheap-tantalum-caps-of-mysterious-provenance/) 2024-07-23T08:00:35Z **Brain Implant Uses Graphene Instead of Metal Probes**
![](https://hackaday.com/wp-content/uploads/2024/07/graphene_depth_neutral_probes_calia_et_al.jpg?w=711)

Implantable electrodes for the (human) brain have been around for a many decades in the form of Utah arrays and kin, but these tend to be made out of metal, […read more](https://hackaday.com/2024/07/23/brain-implant-uses-graphene-instead-of-metal-probes/) ⌘ [Read more](https://hackaday.com/2024/07/23/brain-implant-uses-graphene-instead-of-metal-probes/) 2024-07-23T11:00:00Z **Photoresistor-based Single Pixel Camera**
![](https://hackaday.com/wp-content/uploads/2024/07/singlepixel_photo.png?w=800)

[Hugh] has been going back through episodes of the Hackaday podcast, and Elliot mentioned in episode 67 that it can often be inspiring to go back through the archives of […read more](https://hackaday.com/2024/07/23/photoresistor-based-single-pixel-camera/) ⌘ [Read more](https://hackaday.com/2024/07/23/photoresistor-based-single-pixel-camera/) 2024-07-23T14:00:12Z **You Can Use LEDs As Sensors, Too**
![](https://hackaday.com/wp-content/uploads/2024/07/LEDsensor.jpg?w=800)

LEDs are a wonderful technology. You put in a little bit of power, and you get out a wonderful amount of light. They’re efficient, cheap, and plentiful. We use them […read more](https://hackaday.com/2024/07/23/you-can-use-leds-as-sensors-too/) ⌘ [Read more](https://hackaday.com/2024/07/23/you-can-use-leds-as-sensors-too/) 2024-07-23T15:30:56Z **Could Carbon Fiber be the New Asbestos?**
![](https://hackaday.com/wp-content/uploads/2024/07/carbon_fiber_asbestos_nbr.jpg?w=800)

Could carbon fiber inflict the same kind of damage on the human body as asbestos? That’s the question which [Nathan] found himself struggling with after taking a look at carbon […read more](https://hackaday.com/2024/07/23/could-carbon-fiber-be-the-new-asbestos/) ⌘ [Read more](https://hackaday.com/2024/07/23/could-carbon-fiber-be-the-new-asbestos/) 2024-07-23T17:00:37Z **Keebin’ with Kristina: the One with the Key Cap Map**
![Illustrated Kristina with an IBM Model M keyboard floating between her hands.](https://hackaday.com/wp-content/uploads/2021/07/Keebin.jpg?w=800)

So, [zyumbik]’s trademark seems to be sexing things up, and the Artsey layout did not escape their gaze. This is the Sexy Artsey. Let’s back up a bit. Artsey is […read more](https://hackaday.com/2024/07/23/keebin-with-kristina-the-one-with-the-key-cap-map/) ⌘ [Read more](https://hackaday.com/2024/07/23/keebin-with-kristina-the-one-with-the-key-cap-map/) 2024-07-23T18:30:38Z **2024 Tiny Games Challenge: Improving Reaction Time**
![A fast-looking hand plays a reaction time game.](https://hackaday.com/wp-content/uploads/2024/07/reaction-game-800.jpg?w=800)

What lies at the heart of many games? In a sense, it’s your response time, which is a function of hand-eye coordination. Although the 2024 Business Card Challenge has come […read more](https://hackaday.com/2024/07/23/2024-tiny-games-challenge-improving-reaction-time/) ⌘ [Read more](https://hackaday.com/2024/07/23/2024-tiny-games-challenge-improving-reaction-time/) 2024-07-23T20:00:05Z **Automatic Garbage Can Keeps Cooking Cleaner**
![](https://hackaday.com/wp-content/uploads/2024/07/garbage-auto-main.png?w=800)

Over the last decade or so, we’ve been inundated with appliances with wireless or “smart” technology that is often of dubious utility. No one really needs a tablet in their […read more](https://hackaday.com/2024/07/23/automatic-garbage-can-keeps-cooking-cleaner/) ⌘ [Read more](https://hackaday.com/2024/07/23/automatic-garbage-can-keeps-cooking-cleaner/) 2024-07-23T23:00:38Z **Workholding Options for the Beginner CNC Operator**
![A person putting a screw into a CNC spoil board on the left of the image. Their drill is chartreuse and black. Clamps hold a rectangular board down at all four corners. The spindle of the CNC is just visible on the right hand side of the image.](https://hackaday.com/wp-content/uploads/2024/07/CNC-Workholding-wide.jpg?w=800)

Designing a file to cut on a CNC is only part of the process. You also have to keep it in place while the machi ... ⌘ [Read more](https://hackaday.com/2024/07/23/workholding-options-for-the-beginner-cnc-operator/) 2024-07-24T02:00:01Z **Colour Film Processing For The 2020s Hacker**
![](https://hackaday.com/wp-content/uploads/2024/07/colour-photo-featured.jpg?w=800)

We’re now somewhere over two decades since the mass adoption of digital photography made chemical film obsolete in a very short time, but the older technology remains in use by […read more](https://hackaday.com/2024/07/23/colour-film-processing-for-the-2020s-hacker/) ⌘ [Read more](https://hackaday.com/2024/07/23/colour-film-processing-for-the-2020s-hacker/) 2024-07-24T05:00:13Z **Need a Tube? Reach for Plywood!**
![](https://hackaday.com/wp-content/uploads/2024/07/tube_a971c8.png?w=786)

To be clear, when we are talking about tubes, we mean ordinary cylinders, not vacuum-amplifying elements. With that out of the way, when we need a tube like that, we […read more](https://hackaday.com/2024/07/23/need-a-tube-reach-for-plywood/) ⌘ [Read more](https://hackaday.com/2024/07/23/need-a-tube-reach-for-plywood/) 2024-07-24T08:00:56Z **Tiny Games Challenge: A Retro Racing Game on a 16×2 LCD**
![](https://hackaday.com/wp-content/uploads/2024/07/16x2_racer.png?w=800)

Sometimes, all it takes is a change in perspective to take something boring and make it fun. That’s true about 16×2 LCD; in its usual landscape format, it’s a quick […read more](https://hackaday.com/2024/07/24/tiny-games-challenge-a-retro-racing-game-on-a-16x2-lcd/) ⌘ [Read more](https://hackaday.com/2024/07/24/tiny-games-challenge-a-retro-racing-game-on-a-16x2-lcd/) 2024-07-24T11:00:12Z **Is It Time for Synthetic Diamonds to Shine?**
![Lab-grown diamonds in 'cake' form -- before they are processed and polished.](https://hackaday.com/wp-content/uploads/2024/07/diamonds-800.webp?w=800)

The process of creating a diamond naturally takes between 1 and 3.3 billion years. Conversely, a lab-grown diamond can now be created in 150 minutes. But despite being an ethical […read more](https://hackaday.com/2024/07/24/is-it-time-for-synthetic-diamonds-to-shine/) ⌘ [Read more](https://hackaday.com/2024/07/24/is-it-time-for-synthetic-diamonds-to-shine/) 2024-07-24T14:00:44Z **The Rise of The Disappearing Polymorphs**
![](https://hackaday.com/wp-content/uploads/2024/07/Polymorph.jpg?w=800)

Science and engineering usually create consistent results. Generally, when you figure out how to make something, you can repeat that at will to make more of something. But what if, […read more](https://hackaday.com/2024/07/24/the-rise-of-the-disappearing-polymorphs/) ⌘ [Read more](https://hackaday.com/2024/07/24/the-rise-of-the-disappearing-polymorphs/) 2024-07-24T15:30:00Z **Exploring Soap Films**
![](https://hackaday.com/wp-content/uploads/2024/07/soap.png?w=800)

While fluid dynamics sounds like a dull topic, SoapFilmScope promises to make it fun by using your cell phone to observe the interactions between sound waves and liquid membranes. You […read more](https://hackaday.com/2024/07/24/exploring-soap-films/) ⌘ [Read more](https://hackaday.com/2024/07/24/exploring-soap-films/) 2024-07-24T17:00:32Z **Supercon 2023: Jesse T. Gonzalez Makes Circuit Boards That Breathe and Bend**
![](https://hackaday.com/wp-content/uploads/2024/07/jeseout.jpg?w=800)

Most robots are built out of solid materials like metal and plastic, giving them rigid structures that are easy to work with and understand. But you can open up much […read more](https://hackaday.com/2024/07/24/supercon-2023-jesse-t-gonzalez-makes-circuit-boards-that-breathe-and-bend/) ⌘ [Read more](https://hackaday.com/2024/07/24/supercon-2023-jesse-t-gonzalez-makes-circuit-boards-that-breathe-and-bend/) 2024-07-24T18:30:57Z **FLOSS Weekly Episode 793: Keeping an Eye on Things with Hilight.io**
![](https://hackaday.com/wp-content/uploads/2021/06/Pipewire.jpg?w=800)

This week Jonathan Bennett and Aaron Newcomb chat with Jay Khatri, the co-founder of Highlight.io. That’s a web application monitoring tool that can help you troubleshoot performance problems, find bugs, […read more](https://hackaday.com/2024/07/24/floss-weekly-episode-793-keeping-an-eye-on-things-with-hilight-io/) ⌘ [Read more](https://hackaday.com/2024/07/24/floss-weekly-episode-793-keeping-an-eye-on-things-with-hilight-io/) 2024-07-24T20:00:00Z **A Puzzle for the Visually Impaired, or Blindfolded**
![A 3D-printed puzzle for the visually impaired. The pieces have both a texture and a slant.](https://hackaday.com/wp-content/uploads/2024/07/puzzle-800.jpg?w=800)

There’s no reason why a visually impaired person can’t enjoy putting together a jigsaw puzzle. It just needs to look a little different. Or, in this case, feel different. 16-year-old […read more](https://hackaday.com/2024/07/24/a-puzzle-for-the-visually-impaired-or-blindfol ... ⌘ [Read more](https://hackaday.com/2024/07/24/a-puzzle-for-the-visually-impaired-or-blindfolded/) 2024-07-24T23:00:24Z **A Lenticular Clock Spells Out The Hours**
![](https://hackaday.com/wp-content/uploads/2024/07/lenticular-clock-featured.jpg?w=800)

So many are the clock projects which cross the Hackaday threshold, that it’s very rare indeed to see something that hasn’t already been done. We think we’ve not seen a […read more](https://hackaday.com/2024/07/24/a-lenticular-clock-spells-out-the-hours/) ⌘ [Read more](https://hackaday.com/2024/07/24/a-lenticular-clock-spells-out-the-hours/) 2024-07-25T02:00:12Z **Manually Computing Logarithms to Grok Calculators**
![](https://hackaday.com/wp-content/uploads/2024/07/calc-log-featured.jpg?w=800)

Logarithms are everywhere in mathematics and derived fields, but we rarely think about how trigonometric functions, exponentials, square roots and others are calculated after we punch the numbers into a […read more](https://hackaday.com/2024/07/24/manually-computing-logarithms-to-grok-calculators/) ⌘ [Read more](https://hackaday.com/2024/07/24/manually-computing-logarithms-to-grok-calculators/) 2024-07-25T05:00:59Z **Hacking an IoT Camera Reveals Hard-Coded Root Password**
![](https://hackaday.com/wp-content/uploads/2024/07/cam_root.png?w=800)

Hacking — at least the kind where you’re breaking into stuff — is very much a learn-by-doing skill. There’s simply no substitute for getting your hands dirty and just trying […read more](https://hackaday.com/2024/07/24/hacking-an-iot-camera-reveals-hard-coded-root-password/) ⌘ [Read more](https://hackaday.com/2024/07/24/hacking-an-iot-camera-reveals-hard-coded-root-password/) 2024-07-25T08:00:00Z **Pnut: A Self-Compiling C Transpiler Targeting Human-Readable POSIX Shell**
![](https://hackaday.com/wp-content/uploads/2024/07/pnut_shell_transpiler.jpg?w=800)

Shell scripting is one of those skills that are absolutely invaluable on especially UNIX and BSD-based systems like the BSDs, the two zillion Linux distributions as well as MacOS. Yet […read more](https://hackaday.com/2024/07/25/pnut-a-self-compiling-c-transpiler-targeting-human-readable-posix-shell/) ⌘ [Read more](https://hackaday.com/2024/07/25/pnut-a-self-compiling-c-transpiler-targeting-human-readable-posix-shell/) 2024-07-25T11:00:06Z **Retro Inspired Cyberdeck Scrolls Around Cyberspace**
![](https://hackaday.com/wp-content/uploads/2024/07/cyberdore_feat.jpg?w=800)

It’s difficult to nail down exactly what counts as a “real” cyberdeck in this brave new era of bespoke computing. But at the minimum, most in the community would agree […read more](https://hackaday.com/2024/07/25/retro-inspired-cyberdeck-scrolls-around-cyberspace/) ⌘ [Read more](https://hackaday.com/2024/07/25/retro-inspired-cyberdeck-scrolls-around-cyberspace/) 2024-07-25T14:15:27Z **End of an Era: Sony Cuts Production Of Writable Optical Media**
![](https://hackaday.com/wp-content/uploads/2024/07/CDR.jpg?w=800)

The 1990s saw a revolution occur, launched by the CD burner. As prices of writeable media and drives dropped, consumers rushed to duplicate games, create their own mix CDs, and […read more](https://hackaday.com/2024/07/25/end-of-an-era-sony-cuts-production-of-writable-optical-media/) ⌘ [Read more](https://hackaday.com/2024/07/25/end-of-an-era-sony-cuts-production-of-writable-optical-media/) 2024-07-25T15:30:31Z **A Simple Liquid Level Indicator With a Single IC**
![](https://hackaday.com/wp-content/uploads/2024/07/107531721365243766-e1721892598693.png?w=800)

Often, the only liquid level indicator you need is your eyes, such as when looking at your cold beverage on a summer’s day. Other times, though, it’s useful to have […read more](https://hackaday.com/2024/07/25/a-simple-liquid-level-indicator-with-a-single-ic/) ⌘ [Read more](https://hackaday.com/2024/07/25/a-simple-liquid-level-indicator-with-a-single-ic/) 2024-07-25T17:00:18Z **Linux Fu: Failing Pipelines**
![](https://hackaday.com/wp-content/uploads/2020/05/LinuxFu.jpg?w=800)

Bash is great for automating little tasks, but sometimes a little script you think will take a minute to write turns into a half hour or more. This is the […read more](https://hackaday.com/2024/07/25/linux-fu-failing-pipelines/) ⌘ [Read more](https://hackaday.com/2024/07/25/linux-fu-failing-pipelines/) 2024-07-25T18:30:09Z **USB-C Powered Hotplate Is Not For Food**
![](https://hackaday.com/wp-content/uploads/2024/07/Small-DIY-hot-plate-powered-from-USB-C-to-reflow-SMD-components-6-57-screenshot-e1721893530508.png?w=800)

Once upon a time, it was deemed mostly silly to try and schlep power from a computer’s ports. Then it was kind of amusing to do so with USB, and […read more](https://hackaday.com/2024/07/25/usb-c-powered-hotplate-is-not-for-food/) ⌘ [Read more](https://hackaday.com/2024/07/25/usb-c-powered-hotplate-is-not-for-food/) 2024-07-25T20:00:03Z **3D-Printed RC Drift Car Comes With Smoke Effects**
![](https://hackaday.com/wp-content/uploads/2024/07/Build-a-3D-Printed-Arduino-RC-Drift-Car-with-Smoke-Effect-0-1-screenshot.png?w=800)

Drift cars are cool, but they’re also expensive. If you don’t have money for endless tires, fuel, and engine rebuilds, you might like to get involved at the RC scale […read more](https://hackaday.com/2024/07/25/3d-printed-rc-drift-car-comes-with-smoke-effects/) ⌘ [Read more](https://hackaday.com/2024/07/25/3d-printed-rc-drift-car-comes-with-smoke-effects/) 2024-07-25T23:00:26Z **Cutting An IoT Fan Free Of The Cloud**
![](https://hackaday.com/wp-content/uploads/2024/07/dreo_fan_eab996-e1721895450359.jpg?w=800)

The cloud is supposed to make everything better. You can control things remotely, with the aid of a benevolent corporation and their totally friendly servers. However, you might not like those servers, […read more](https://hackaday.com/2024/07/25/cutting-an-iot-fan-free-of-the-cloud/) ⌘ [Read more](https://hackaday.com/2024/07/25/cutting-an-iot-fan-free-of-the-cloud/) 2024-07-26T02:00:25Z **A Robot Face with Human Skin**
![On the left, a transluscent yellowy-tan android head with eyes set behind holes in the face. On the right, a bright pink circle with small green eyes. It is manipulated into the image of a smiling face via its topography.](https://hackaday.com/wp-content/uploads/2024/07/Smiling-skin-robot-wide.jpg?w=800)

Many scifi robots have taken the form of their creators. In the increasingly blurry space between the biological and the mechanical, researchers have found a way to affix hu ... ⌘ [Read more](https://hackaday.com/2024/07/25/a-robot-face-with-human-skin/) 2024-07-26T05:00:14Z **Car Becomes a Massive Bubble Machine**
![](https://hackaday.com/wp-content/uploads/2024/07/Can-I-Build-an-Endless-Bubble-Machine_-11-59-screenshot.png?w=800)

You’ve probably seen street performers or family members making giant bubbles at some point in your life. But what if you could go ever bigger…even approaching a bubble of infinite […read more](https://hackaday.com/2024/07/25/car-becomes-a-massive-bubble-machine/) ⌘ [Read more](https://hackaday.com/2024/07/25/car-becomes-a-massive-bubble-machine/) 2024-07-26T08:00:28Z **Can Cats Solve Puzzles?**
![](https://hackaday.com/wp-content/uploads/2024/07/cat-puzzle-featured.jpg?w=800)

Cats, to those of us who appreciate their company, are fascinating creatures, with their infinite curiosity and playfulness. [Makers Muse] has a pair of half-grown-up kittens, and set out to […read more](https://hackaday.com/2024/07/26/can-cats-solve-puzzles/) ⌘ [Read more](https://hackaday.com/2024/07/26/can-cats-solve-puzzles/) 2024-07-26T11:00:00Z **Building a Keychain Wii Looks Possible**
![](https://hackaday.com/wp-content/uploads/2024/07/GTC-EJibQAA8pNw-e1721896161215.jpg?w=800)

The original Nintendo Wii was not a big console, per se, but you could never hope to fit one in your pocket. Or…could you? As it turns out, console modders [Wesk] and […read more](https://hackaday.com/2024/07/26/building-a-keychain-wii-looks-possible/) ⌘ [Read more](https://hackaday.com/2024/07/26/building-a-keychain-wii-looks-possible/) 2024-07-26T14:00:18Z **This Week in Security: EvilVideo, Crowdstrike, and InSecure Boot**
![](https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800)

First up this week is the story of EvilVideo, a clever telegram exploit that disguises an APK as a video file. The earliest record we have of this exploit is […read more](https://hackaday.com/2024/07/26/this-week-in-security-evilvideo-crowdstrike-and-insecure-boot/) ⌘ [Read more](https://hackaday.com/2024/07/26/this-week-in-security-evilvideo-crowdstrike-and-insecure-boot/) 2024-07-26T15:00:00Z **You Can Program AVRs From The Commodore 64**
![](https://hackaday.com/wp-content/uploads/2024/07/perspective-large-e1721894692504.jpg?w=800)

These days, most of our microcontroller boards come with bootloaders so you can squirt hex into them straight over USB. However, you don’t need to do things this way. If you’re […read more](https://hackaday.com/2024/07/26/you-can-program-avrs-from-the-commodore-64/) ⌘ [Read more](https://hackaday.com/2024/07/26/you-can-program-avrs-from-the-commodore-64/) 2024-07-26T16:00:16Z **Hackaday Podcast Episode 281: Metal Clay, Desiccants, Silica Gel, and Keeping Filament Dry**
![](https://hackaday.com/wp-content/uploads/2016/05/microphone.jpg?w=800)

This week on the Podcast, it’s Kristina’s turn to bloviate alongside Editor-in-Chief Elliot Williams. First up in the news: our fresh new contest has drawn three entries already! That’s right, […read more](https://hackaday.com/2024/07/26/hackaday-podcast-episode-281-metal-clay-desiccant ... ⌘ [Read more](https://hackaday.com/2024/07/26/hackaday-podcast-episode-281-metal-clay-desiccants-silica-gel-and-keeping-filament-dry/) 2024-07-26T17:00:10Z **Ask Hackaday: Is Shortwave on Life Support?**
![](https://hackaday.com/wp-content/uploads/2020/07/EarlyRadio.jpg?w=800)

Between World War II and Y2K, shortwave listening was quite an education. With a simple receiver, you could listen to the world. Some of it, of course, was entertainment, and […read more](https://hackaday.com/2024/07/26/ask-hackaday-is-shortwave-on-life-support/) ⌘ [Read more](https://hackaday.com/2024/07/26/ask-hackaday-is-shortwave-on-life-support/) 2024-07-26T20:00:34Z **Electromagnetic Actuator Mimics Muscle**
![](https://hackaday.com/wp-content/uploads/2024/07/Linette-the-Linear-Actuator-that-Mimics-Muscle-0-4-screenshot.png?w=800)

Most electromagnetic actuators are rotating motors, or some variation on the theme, like servos. However, it’s possible to do linear actuation with electomagnetics, too. [Adrian Perez] demonstrates this with Linette, […read more](https://hackaday.com/2024/07/26/electromagnetic-actuator-mimics-muscle/) ⌘ [Read more](https://hackaday.com/2024/07/26/electromagnetic-actuator-mimics-muscle/) 2024-07-26T23:00:00Z **Your QuickTake Camera And Your Modern PC**
![](https://hackaday.com/wp-content/uploads/2024/07/quicktake100-featured.jpg?w=800)

An object of desire back in the mid-1990s might have been Apple’s QuickTake camera. In a form factor not unlike a monocular it packed a 640×480 digital camera, the images […read more](https://hackaday.com/2024/07/26/your-quicktake-camera-and-your-modern-pc/) ⌘ [Read more](https://hackaday.com/2024/07/26/your-quicktake-camera-and-your-modern-pc/) 2024-07-27T02:00:20Z **Analyzing Feature Learning in Artificial Neural Networks and Neural Collapse**
![](https://hackaday.com/wp-content/uploads/2024/03/simplicify_biases_and_spurious_features_radhakrishnan_et_al_2024.jpg?w=800)

Artificial Neural Networks (ANNs) are commonly used for machine vision purposes, where they are tasked with object recognition. This is accomplished by taking a multi-layer network and using a training […read more](https://hackaday.com/2024/07/26/analyzing- ... ⌘ [Read more](https://hackaday.com/2024/07/26/analyzing-feature-learning-in-artificial-neural-networks-and-neural-collapse/) 2024-07-27T05:00:21Z **Vintage Ribbon Cable Repair Saves Poqet PC**
![](https://hackaday.com/wp-content/uploads/2024/07/poqet-pc-featured.jpg?w=800)

It sometimes seems as though computing power in your pocket is a relatively new phenomenon, but in fact there have been ultraportable computers since the 8-bit era. They started to […read more](https://hackaday.com/2024/07/26/vintage-ribbon-cable-repair-saves-poqet-pc/) ⌘ [Read more](https://hackaday.com/2024/07/26/vintage-ribbon-cable-repair-saves-poqet-pc/) 2024-07-27T08:00:50Z **George Washington Gets Cleaned Up With a Laser**
![](https://hackaday.com/wp-content/uploads/2024/07/laserart_feat.jpg?w=800)

Now, we wouldn’t necessarily call ourselves connoisseurs of fine art here at Hackaday. But we do enjoy watching [Julian Baumgartner]’s YouTube channel, where he documents the projects that he takes […read more](https://hackaday.com/2024/07/27/george-washington-gets-cleaned-up-with-a-laser/) ⌘ [Read more](https://hackaday.com/2024/07/27/george-washington-gets-cleaned-up-with-a-laser/) 2024-07-27T11:00:09Z **OSHW Model Rocket Kit Embraces the Hexagon**
![](https://hackaday.com/wp-content/uploads/2024/07/hexa_feat.jpg?w=800)

If you’ve ever built a model rocket, you’ll know there’s not a whole lot to them. Essentially it’s a cardboard tube, a plastic nosecone, some fins, and a little clip […read more](https://hackaday.com/2024/07/27/oshw-model-rocket-kit-embraces-the-hexagon/) ⌘ [Read more](https://hackaday.com/2024/07/27/oshw-model-rocket-kit-embraces-the-hexagon/) 2024-07-27T14:00:05Z **Hacker Olympics**
![](https://hackaday.com/wp-content/uploads/2018/09/collaboration03-featured.jpg?w=800)

The opening ceremony of the Summer Olympics is going on today. It’s an over-the-top presentation meant to draw people into sport. And for the next few weeks, we’ll be seeing […read more](https://hackaday.com/2024/07/27/hacker-olympics/) ⌘ [Read more](https://hackaday.com/2024/07/27/hacker-olympics/) 2024-07-27T17:00:48Z **A History of Internet Outages**
![](https://hackaday.com/wp-content/uploads/2016/03/transatlanticcable-1.jpg?w=800)

We heard a story that after the recent hurricane, a man noted that while the house was sweltering hot because the power was still out, his kids were more anxious […read more](https://hackaday.com/2024/07/27/a-history-of-internet-outages/) ⌘ [Read more](https://hackaday.com/2024/07/27/a-history-of-internet-outages/) 2024-07-27T20:00:00Z **Need Many Thin Parts? Try Multi-material Stack Printing**
![](https://hackaday.com/wp-content/uploads/2024/07/what-is-multi-material-stack-3d-printing-multiboard-zurgef1fn0o-webm-shot0001.jpg?w=800)

Admittedly it’s a bit of a niche application, but if you need lots of flat 3D printed objects, one way to go about it is to print them in a […read more](https://hackaday.com/2024/07/27/need-many-thin-parts-try-multi-material-stack-printing/) ⌘ [Read more](https://hackaday.com/2024/07/27/need-many-thin-parts-try-multi-material-stack-printing/) 2024-07-27T23:00:00Z **MIDI Controller in a Cubic Inch**
![](https://hackaday.com/wp-content/uploads/2024/07/small-midi-main.png?w=800)

MIDI as a standard has opened up a huge world to any musician willing to use a computer to generate or enhance their playing and recording. Since the 80s, it […read more](https://hackaday.com/2024/07/27/midi-controller-in-a-cubic-inch/) ⌘ [Read more](https://hackaday.com/2024/07/27/midi-controller-in-a-cubic-inch/) 2024-07-28T02:00:00Z **The BAPPR Keeps Your Addressable LED System Cool**
![](https://hackaday.com/wp-content/uploads/2024/07/bappr.jpg?w=800)

We all love a nice strip or grid of addressable LEDs. It can add flair or an artistic touch to many projects, and it can make gaming computers look extra […read more](https://hackaday.com/2024/07/27/the-bappr-keeps-your-addressable-led-system-cool/) ⌘ [Read more](https://hackaday.com/2024/07/27/the-bappr-keeps-your-addressable-led-system-cool/) 2024-07-28T05:00:30Z **Print Your Own Magnetic Connector**
![](https://hackaday.com/wp-content/uploads/2024/07/con.png?w=800)

If you have a late-model laptop, you’ve probably seen how the chargers magnetically snap into place. In theory, this should be easy to recreate for your own purposes. But why […read more](https://hackaday.com/2024/07/27/print-your-own-magnetic-connector/) ⌘ [Read more](https://hackaday.com/2024/07/27/print-your-own-magnetic-connector/) 2024-07-28T08:00:00Z **AMD Returns to 1996 With Zen 5’s Two-Block Ahead Branch Predictor**
![](https://hackaday.com/wp-content/uploads/2024/07/Zen5-front-end.drawio.png?w=768)

An interesting finding in fields like computer science is that much of what is advertised as new and innovative was actually pilfered from old research papers submitted to ACM and […read more](https://hackaday.com/2024/07/28/amd-returns-to-1996-with-zen-5s-two-block-ahead-branch-predictor/) ⌘ [Read more](https://hackaday.com/2024/07/28/amd-returns-to-1996-with-zen-5s-two-block-ahead-branch-predictor/) 2024-07-28T11:00:00Z **Low-Gravity Playground Looks Highly Entertaining (and Useful)**
![French acrobatic artist [Bastien Dausse] flies around on an impressive anti-gravity device he created.](https://hackaday.com/wp-content/uploads/2024/07/anti-gravity-thingy-800.jpg?w=800)

With US astronauts scheduled to return to the Moon in 2026, it might be nice for them to really and truly know ahead of time what the gravity situation is […read more](https://hackaday.com/2024/07/28/low-gravity-playground-looks ... ⌘ [Read more](https://hackaday.com/2024/07/28/low-gravity-playground-looks-highly-entertaining-and-useful/) 2024-07-28T14:00:12Z **Printed Portable Computer Inspired by the Classics**
![](https://hackaday.com/wp-content/uploads/2024/07/pi84_feat2.jpg?w=800)

These days, laptop computers are all more or less the same, at least externally. Some are thicker than others, they might come in different colors, or with a 360° hinge […read more](https://hackaday.com/2024/07/28/printed-portable-computer-inspired-by-the-classics/) ⌘ [Read more](https://hackaday.com/2024/07/28/printed-portable-computer-inspired-by-the-classics/) 2024-07-28T17:00:00Z **A Demo Party On A Chip**
![](https://hackaday.com/wp-content/uploads/2024/07/tinytapeout-demo-featured.jpg?w=800)

The demoscene has provided our community with its artistic outlet since the first computers which could handle graphics, and has stayed at the forefront of technology all the way. For […read more](https://hackaday.com/2024/07/28/a-demo-party-on-a-chip/) ⌘ [Read more](https://hackaday.com/2024/07/28/a-demo-party-on-a-chip/) 2024-07-28T20:00:00Z **An RC Tracked Robot, Without The Pain**
![](https://hackaday.com/wp-content/uploads/2024/07/playcar-featured.jpg?w=800)

Small robots can be found at all levels from STEM toys for kids all the way through to complex hacker projects. Somewhere along that line between easy enough for anyone […read more](https://hackaday.com/2024/07/28/an-rc-tracked-robot-without-the-pain/) ⌘ [Read more](https://hackaday.com/2024/07/28/an-rc-tracked-robot-without-the-pain/) 2024-07-28T23:00:16Z **Hackaday Links: July 28, 2024**
![Hackaday Links Column Banner](https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800)

What is this dystopia coming to when one of the world’s largest tech companies can’t find a way to sufficiently monetize a nearly endless stream of personal data coming from […read more](https://hackaday.com/2024/07/28/hackaday-links-july-28-2024/) ⌘ [Read more](https://hackaday.com/2024/07/28/hackaday-links-july-28-2024/) 2024-07-29T02:00:00Z **You’ve Got The Portable Radio, Now What About The Antenna?**
![](https://hackaday.com/wp-content/uploads/2024/07/qrp-ant-featured.jpg?w=800)

There’s an old saying in the amateur radio community that when it comes to antennas all you need is a piece of wet string. This may be a little fanciful, […read more](https://hackaday.com/2024/07/28/youve-got-the-portable-radio-now-what-about-the-antenna/) ⌘ [Read more](https://hackaday.com/2024/07/28/youve-got-the-portable-radio-now-what-about-the-antenna/) 2024-07-29T05:00:00Z **The BiVACOR Total Artificial Heart: a Maglev Bridge to Life**
![](https://hackaday.com/wp-content/uploads/2024/07/BiVACOR_total_artificial_heart_exploded.jpg?w=800)

Outside of the brain, the heart is probably the organ that you miss the most when it ceases to function correctly. Unfortunately, as we cannot grow custom replacement hearts yet, […read more](https://hackaday.com/2024/07/28/the-bivacor-total-artificial-heart-a-maglev-bridge-to-life/) ⌘ [Read more](https://hackaday.com/2024/07/28/the-bivacor-total-artificial-heart-a-maglev-bridge-to-life/) 2024-07-29T08:00:59Z **Making USB Blaster Clones Work For Linux**
![](https://hackaday.com/wp-content/uploads/2024/07/blast.png?w=800)

The last time we checked in with [Downtown Doug Brown], he had some cheap Altera USB Blaster clones that didn’t want to work under Linux. The trick at that time […read more](https://hackaday.com/2024/07/29/making-usb-blaster-clones-work-for-linux/) ⌘ [Read more](https://hackaday.com/2024/07/29/making-usb-blaster-clones-work-for-linux/) 2024-07-29T11:00:06Z **A Look at the Intel N100 Radxa X4 SBC**
![](https://hackaday.com/wp-content/uploads/2024/07/radxa_x4_bret_dk.jpg?w=800)

Recently Radxa released the X4, which is an SBC containing not only an N100 x86\_64 SoC but also an RP2040  MCU connected to a Raspberry Pi-style double pin header. The […read more](https://hackaday.com/2024/07/29/a-look-at-the-intel-n100-radxa-x4-sbc/) ⌘ [Read more](https://hackaday.com/2024/07/29/a-look-at-the-intel-n100-radxa-x4-sbc/) 2024-07-29T14:00:23Z **An Antenna to Throw You for a Loop**
![](https://hackaday.com/wp-content/uploads/2024/07/61HUSHYjSL._AC_SL1370_-1.jpg?w=800)

It is one of Murphy’s laws, we think, that you can’t get great things when you need them. Back in the heyday of shortwave broadcasting, any of us would have […read more](https://hackaday.com/2024/07/29/an-antenna-to-throw-you-for-a-loop/) ⌘ [Read more](https://hackaday.com/2024/07/29/an-antenna-to-throw-you-for-a-loop/) 2024-07-29T15:30:33Z **A Soviet Cassette Recorder Receiving Some Love**
![](https://hackaday.com/wp-content/uploads/2024/07/vesna_feat.jpg?w=800)

For those of us who lived in the capitalist west during the Cold War, there remains a fascination to this day about the Other Side. The propaganda we were fed […read more](https://hackaday.com/2024/07/29/a-soviet-cassette-recorder-receiving-some-love/) ⌘ [Read more](https://hackaday.com/2024/07/29/a-soviet-cassette-recorder-receiving-some-love/) 2024-07-29T17:00:28Z **Hacker Tactic: Multi-Design Panels**
![](https://hackaday.com/wp-content/uploads/2024/04/PCBdesign.jpg?w=800)

Last time, we talked about single-PCB-design panels, all the cool aspects of it, including some cost savings and handling convenience. Naturally, you might wonder, and many did – can you […read more](https://hackaday.com/2024/07/29/hacker-tactic-multi-design-panels/) ⌘ [Read more](https://hackaday.com/2024/07/29/hacker-tactic-multi-design-panels/) 2024-07-29T18:30:00Z **A Brief History of AlphaSmart**
![Three different keyboard devices with greyscale LCDs on top are on a white table. In the back left is a beige one with grey keys, front and center is a black model, and to the right is a translucent blue model with black keys being held up by a hand.](https://hackaday.com/wp-content/uploads/2024/07/Alphasmart-group.jpg?w=800)

There are a handful of gadgets that do one thing so well that they become cult classics long after the company that made them has moved on or closed ... ⌘ [Read more](https://hackaday.com/2024/07/29/a-brief-history-of-alphasmart/) 2024-07-29T20:00:23Z **Foliodeck Squeezes a Writerdeck into a Planner**
![A black and brown planner opened like a laptop. Inside is a greyscale eink phone inside a brown piece of MDF on top, and a black keyboard fills the bottom half.](https://hackaday.com/wp-content/uploads/2024/07/Foliodeck-wide.jpg?w=800)

When it comes to writing, sometimes a computer or smartphone is just too distracting to keep on task. [vagabondvivant] found this to be the case and rolled their own distraction-free […read more](https://hac ... ⌘ [Read more](https://hackaday.com/2024/07/29/foliodeck-squeezes-a-writerdeck-into-a-planner/) 2024-07-29T23:00:10Z **Getting Linux Process List Without Forking Using Just a Bash Script**
![](https://hackaday.com/wp-content/uploads/2022/05/tree-fork-featured.jpg?w=800)

The ps command is extremely useful when you want to get some quick information on active system processes (hence the name), especially followed by piping it into grep and kin […read more](https://hackaday.com/2024/07/29/getting-linux-process-list-without-forking-using-just-a-bash-script/) ⌘ [Read more](https://hackaday.com/2024/07/29/getting-linux-process-list-without-forking-using-just-a-bash-script/) 2024-07-30T02:00:37Z **Saildrones Searching the Sea for Clues to Hurricane Behavior**
![A bright orange sailboat with solar panels on the wing sail and the hull of the craft. A number of protuberances from the wing are visible containing instruments and radio equipment.](https://hackaday.com/wp-content/uploads/2024/07/Saildrone.webp?w=800)

Hurricanes can cause widespread destruction, so early forecasting of their strength is important to protect people and their homes. The US National Oceanic and A ... ⌘ [Read more](https://hackaday.com/2024/07/29/saildrones-searching-the-sea-for-clues-to-hurricane-behavior/) 2024-07-30T05:00:31Z **Building the Unreleased Lemmings Arcade Cabinet from 1991**
![](https://hackaday.com/wp-content/uploads/2024/07/lemmings_arcade_cabinet_rmc_the_cave.jpg?w=800)

Back in the early 90s the world was almost graced with an arcade version of Lemmings, but after a few board revisions it was abandoned in 1991. Now the folk […read more](https://hackaday.com/2024/07/29/building-the-unreleased-lemmings-arcade-cabinet-from-1991/) ⌘ [Read more](https://hackaday.com/2024/07/29/building-the-unreleased-lemmings-arcade-cabinet-from-1991/) 2024-07-30T08:00:08Z **Junk Bin Build Lets You Test Fuel Injectors On the Cheap**
![](https://hackaday.com/wp-content/uploads/2024/07/fuel_injector_test.png?w=800)

Fiddle around with cars long enough and you’ll realize two things: first, anything beyond the simplest repairs will probably require some kind of specialized tool, and second, those tools can […read more](https://hackaday.com/2024/07/30/junk-bin-build-lets-you-test-fuel-injectors-on-the-cheap/) ⌘ [Read more](https://hackaday.com/2024/07/30/junk-bin-build-lets-you-test-fuel-injectors-on-the-cheap/) 2024-07-30T11:00:00Z **Read Utility Meters via SDR to Fill Out Smart Home Stats**
![](https://hackaday.com/wp-content/uploads/2024/07/energy-dashboard.png?w=800)

[Jeff Sandberg] has put a fair bit of effort into adding solar and battery storage with associated smarts to his home, but his energy usage statistics were incomplete. His solution […read more](https://hackaday.com/2024/07/30/read-utility-meters-via-sdr-to-fill-out-smart-home-stats/) ⌘ [Read more](https://hackaday.com/2024/07/30/read-utility-meters-via-sdr-to-fill-out-smart-home-stats/) 2024-07-30T14:10:26Z **Undersea Cable Repair**
![](https://hackaday.com/wp-content/uploads/2024/07/Underwater.jpg?w=800)

The bottom of the sea is a mysterious and inaccessible place, and anything unfortunate enough to slip beneath the waves and into the briny depths might as well be on […read more](https://hackaday.com/2024/07/30/undersea-cable-repair/) ⌘ [Read more](https://hackaday.com/2024/07/30/undersea-cable-repair/) 2024-07-30T15:30:47Z **Re-imagining Telepresence With Humanoid Robots and VR Headsets**
![](https://hackaday.com/wp-content/uploads/2024/07/teleoperation-robot.png.png?w=800)

Don’t let the name of the Open-TeleVision project fool you; it’s a framework for improving telepresence and making robotic teleoperation far more intuitive than it otherwise would be. It accomplishes […read more](https://hackaday.com/2024/07/30/re-imagining-telepresence-with-humanoid-robots-and-vr-headsets/) ⌘ [Read more](https://hackaday.com/2024/07/30/re-imagining-telepresence-with-humanoid-robots-and-vr-headsets/) 2024-07-30T17:00:23Z **Programming Ada: Designing a Lock-Free Ring Buffer**
![](https://hackaday.com/wp-content/uploads/2019/09/ProgrammingSystem.jpg?w=800)

Ring buffers are incredibly useful data structures that allow for data to be written and read continuously without having to worry about where the data is being written to or […read more](https://hackaday.com/2024/07/30/programming-ada-designing-a-lock-free-ring-buffer/) ⌘ [Read more](https://hackaday.com/2024/07/30/programming-ada-designing-a-lock-free-ring-buffer/) 2024-07-30T18:30:06Z **This Home Made Mac Has a Real CRT**
![](https://hackaday.com/wp-content/uploads/2024/07/crt-mac-featured.jpg?w=800)

Cathode-ray tube (CRT) televisions may no longer be in production, but its last bastion came in the form of extremely cheap little Chinese portable sets with a black-and-white tube. They’re […read more](https://hackaday.com/2024/07/30/this-home-made-mac-has-a-real-crt/) ⌘ [Read more](https://hackaday.com/2024/07/30/this-home-made-mac-has-a-real-crt/) 2024-07-30T20:00:11Z **The Last Instrument to get Auto-Tuned**
![](https://hackaday.com/wp-content/uploads/2024/07/autotune-kazoo-main.png?w=800)

Various decades have their musical signature, like the excessive use of synthesizers and hairspray in the 1980s pop music scene. Likewise, the early 2010s was marked by a fairly extreme […read more](https://hackaday.com/2024/07/30/the-last-instrument-to-get-auto-tuned/) ⌘ [Read more](https://hackaday.com/2024/07/30/the-last-instrument-to-get-auto-tuned/) 2024-07-30T23:00:21Z **Making an Aluminium Foil Glider to Prototype Hydroforming**
![](https://hackaday.com/wp-content/uploads/2024/07/luma_aluminium_foil_glider.jpg?w=800)

Hydroforming is a very effective way to turn a ductile metal like aluminium or stainless steel into a specific shape, either using a die or by creating a closed envelope […read more](https://hackaday.com/2024/07/30/making-an-aluminum-foil-glider-to-prototype-hydroforming/) ⌘ [Read more](https://hackaday.com/2024/07/30/making-an-aluminum-foil-glider-to-prototype-hydroforming/) 2024-07-31T02:00:55Z **Overhauling Subway Cars is a Big Job**
![A warehouse with concrete floors and at least four subway car rails running off into the distance. On the rails are dozens of R142 series subway cars with refurbished trucks in the foreground. People are visible on the floor moving a truck, and one man is in a bright yellow crane above everything watching what happens.](https://hackaday.com/wp-content/uploads/2024/07/00SUBWAY-REPAIR-SHOP-10-wzhq-superJumbo.webp?w=781)

Subway cars have a tough life. Moving peo ... ⌘ [Read more](https://hackaday.com/2024/07/30/overhauling-subway-cars-is-a-big-job/) 2024-07-31T05:00:49Z **AI Image Generator Twists In Response to MIDI Dials, in Real-time**
![](https://hackaday.com/wp-content/uploads/2024/07/latent-MIDI-featured.png?w=558)

MIDI isn’t just about music, as [Johannes Stelzer] shows by using dials to adjust AI-generated imagery in real-time. The results are wild, with an interactivity to them that we don’t […read more](https://hackaday.com/2024/07/30/ai-image-generator-twists-in-response-to-midi-dials-in-real-time/) ⌘ [Read more](https://hackaday.com/2024/07/30/ai-image-generator-twists-in-response-to-midi-dials-in-real-time/) 2024-07-31T08:00:00Z **A Look Inside the Super Nintendo Cartridges and Video System**
![](https://hackaday.com/wp-content/uploads/2024/07/snes_gsu2_pcb.jpg?w=700)

Despite being effectively sold as a toy in the 1990s, the Super Nintendo Entertainment System (SNES) was pretty bleeding-edge as far its computing chops were concerned. This was especially apparent […read more](https://hackaday.com/2024/07/31/a-look-inside-the-super-nintendo-cartridges-and-video-system/) ⌘ [Read more](https://hackaday.com/2024/07/31/a-look-inside-the-super-nintendo-cartridges-and-video-system/) 2024-07-31T11:00:07Z **Climate Change May Make Days Longer**
![](https://hackaday.com/wp-content/uploads/2023/05/glacier_feat.jpg?w=800)

For those who say there’s never enough time in a day, your wish for more time is getting granted, if ever so slightly. Scientists have now found a new source […read more](https://hackaday.com/2024/07/31/climate-change-may-make-days-longer/) ⌘ [Read more](https://hackaday.com/2024/07/31/climate-change-may-make-days-longer/) 2024-07-31T14:00:30Z **Polaroid in an Instant**
![](https://hackaday.com/wp-content/uploads/2024/07/EdwinLand.jpg?w=800)

Edwin Land, were he alive, would hate this post. He wanted to be known for this scientific work and not for his personal life. In fact, upon his death, he […read more](https://hackaday.com/2024/07/31/polaroid-in-an-instant/) ⌘ [Read more](https://hackaday.com/2024/07/31/polaroid-in-an-instant/) 2024-07-31T15:30:37Z **Reverse Engineering a Soundsystem’s API**
![](https://hackaday.com/wp-content/uploads/2024/07/stereo-main.jpg?w=800)

We’ve all been stymied by a smart thermostat, coffee maker, or other device which would work fine on its own but ultimately seems to be worse off for having an […read more](https://hackaday.com/2024/07/31/reverse-engineering-a-soundsystems-api/) ⌘ [Read more](https://hackaday.com/2024/07/31/reverse-engineering-a-soundsystems-api/) 2024-07-31T18:00:23Z **FLOSS Weekly Episode 794: Release Them All with JReleaser**
![](https://hackaday.com/wp-content/uploads/2021/06/Pipewire.jpg?w=800)

This week Jonathan Bennett and Katherine Druckman chat with Andres Almiray about JReleaser, the Java release automation tool that’s for more than just Java, and more than just releases. What […read more](https://hackaday.com/2024/07/31/floss-weekly-episode-794-release-them-all-with-jreleaser/) ⌘ [Read more](https://hackaday.com/2024/07/31/floss-weekly-episode-794-release-them-all-with-jreleaser/) 2024-07-31T20:00:24Z **LightBurn Turns Back the Clock, Bails on Linux Users**
![](https://hackaday.com/wp-content/uploads/2024/07/lightburn_feat.jpg?w=800)

Angry Birds, flash mobs, Russell Brand, fidget spinners. All of these were virtually unavoidable in the previous decade, and yet, like so many popular trends, have now largely faded into […read more](https://hackaday.com/2024/07/31/lightburn-turns-back-the-clock-bails-on-linux-users/) ⌘ [Read more](https://hackaday.com/2024/07/31/lightburn-turns-back-the-clock-bails-on-linux-users/) 2024-07-31T23:00:04Z **DIY Off Grid Battery Pack from EV Battery**
![A man's hand with a black ring touches a white box. It is square on the bottom and has a sloped top. Various AC, 12V, and USB ports adorn its surface. It's approximately the size of a human head.](https://hackaday.com/wp-content/uploads/2024/07/DIY-Off-Grid-Battery-pack-from-used-EV-battery-YouTube-0-34-56.jpeg?w=800)

Car camping gets you out in the great outdoors, but sometimes it’s nice to bring a few comforts from home. [Ed’s Garage] has taken a ... ⌘ [Read more](https://hackaday.com/2024/07/31/diy-off-grid-battery-pack-from-ev-battery/) 2024-08-01T02:00:16Z **A New Era for US Passenger Rail?**
![A map of the US showing the potential changes to passenger rail service due to the Corridor ID Program](https://hackaday.com/wp-content/uploads/2024/07/Screen-Shot-2024-07-30-at-3.35.26-PM.png?w=800)

Here in the United States, we’re lagging behind the rest of the world when it comes to shiny new passenger rail, despite being leaders in previous centuries. The Federal Railroad […read more](https://hackaday.com/2024/07/31/a-new-era-for-us-passenger-rail/) ⌘ [Read more](https://hackaday.com/2024/07/31/a-new-era-for-us-passenger-rail/) 2024-08-01T05:00:28Z **Spin Your Own Passive Cooling Fibres**
![](https://hackaday.com/wp-content/uploads/2024/07/passive-cool-featured.jpg?w=800)

When the temperature climbs, it’s an eternal problem: how to stay cool. An exciting field of materials science lies in radiative cooling materials, things which reflect so much incoming heat […read more](https://hackaday.com/2024/07/31/spin-your-own-passive-cooling-fibres/) ⌘ [Read more](https://hackaday.com/2024/07/31/spin-your-own-passive-cooling-fibres/) 2024-08-01T08:00:52Z **Secret Messages On Plastic, Just Add Tesla Coil**
![](https://hackaday.com/wp-content/uploads/2024/07/hydroglyphics-featured.png?w=681)

Here’s a short research paper from 2013 that explains how to create “hydroglyphics”, or writing with selecting surface wetting. In it, an apparently normal-looking petri dish is treated so as […read more](https://hackaday.com/2024/08/01/secret-messages-on-plastic-just-add-tesla-coil/) ⌘ [Read more](https://hackaday.com/2024/08/01/secret-messages-on-plastic-just-add-tesla-coil/) 2024-08-01T11:00:08Z **Programming Tiny Blinkenlight Projects with Light**
![](https://hackaday.com/wp-content/uploads/2024/07/light_programming.png?w=800)

[mitxela] has a tiny problem, literally: some of his projects are so small as to defy easy programming. While most of us would probably solve the problem of having no […read more](https://hackaday.com/2024/08/01/programming-tiny-blinkenlight-projects-with-light/) ⌘ [Read more](https://hackaday.com/2024/08/01/programming-tiny-blinkenlight-projects-with-light/) 2024-08-01T14:00:40Z **Programming Ada: Implementing the Lock-Free Ring Buffer**
![](https://hackaday.com/wp-content/uploads/2019/09/ProgrammingSystem.jpg?w=800)

In the previous article we looked at designing a lock-free ring buffer (LFRB) in Ada, contrasting and comparing it with the C++-based version which it is based on, and highlighting […read more](https://hackaday.com/2024/08/01/programming-ada-implementing-the-lock-free-ring-buffer/) ⌘ [Read more](https://hackaday.com/2024/08/01/programming-ada-implementing-the-lock-free-ring-buffer/) 2024-08-01T15:30:44Z **The Atomic Gardener Of Eastbourne**
![](https://hackaday.com/wp-content/uploads/2024/07/atomic-gardening-featured.jpg?w=800)

Pity the video team at a large hacker camp, because they have a huge pile of interesting talks in the can but only the limited resources of volunteers to put […read more](https://hackaday.com/2024/08/01/the-atomic-gardener-of-eastbourne/) ⌘ [Read more](https://hackaday.com/2024/08/01/the-atomic-gardener-of-eastbourne/) 2024-08-01T18:30:06Z **2024 Tiny Games Contest: Pi-O-Scope-Pong**
![](https://hackaday.com/wp-content/uploads/2024/07/Pi-Pong.png?w=800)

[Aaron Lager]’s Pi-O-Scope-Pong project takes a minimal approach to Pong by drawing on an oscilloscope to generate crisp paddles and ball. A Raspberry Pi takes care of the grunt work […read more](https://hackaday.com/2024/08/01/2024-tiny-games-contest-pi-o-scope-pong/) ⌘ [Read more](https://hackaday.com/2024/08/01/2024-tiny-games-contest-pi-o-scope-pong/) 2024-08-01T20:00:53Z **Cardboard R/C Plane Actually Flies**
![A painted RC plane made of cardboard. It has an orange propeller and camo-esque markings along with concentric blue, white, and red circles near the wingtips.](https://hackaday.com/wp-content/uploads/2024/07/FSNH5DDLXX9YBC7.webp?w=800)

Many makers start by building mock-ups from cardboard, but [Alex-08] has managed to build an R/C plane that actually flies, out of cardboard. If you’ve been thinking of building an […read more](https://hackaday.com/2024/08/01/cardb ... ⌘ [Read more](https://hackaday.com/2024/08/01/cardboard-r-c-plane-actually-flies/) 2024-08-01T23:00:46Z **Getting an Old HVAC System Online**
![](https://hackaday.com/wp-content/uploads/2024/07/hvac-main.png?w=800)

Standardization might sound boring, but it’s really a great underlying strength of modern society. Everyone agreeing on a way that a certain task should be done saves a lot of […read more](https://hackaday.com/2024/08/01/getting-an-old-hvac-system-online/) ⌘ [Read more](https://hackaday.com/2024/08/01/getting-an-old-hvac-system-online/) 2024-08-02T02:00:37Z **What are Photons, Anyway?**
![A finger points at a diagram of a battery with two green bars. Above it is another battery with four smaller green bars with a similar area to the first battery's two. The bottom batter is next to a blue box with a blue wave emanating from it and the top battery has a red box with a red wave emanating from it. Below the red wave is written "2x wavelength" and below the top battery is "1/2 energy in a photon."](https://hackaday.com/wp-content/uploads/2024/07/What-_is_-a-photon_-YouTub ... ⌘ [Read more](https://hackaday.com/2024/08/01/what-are-photons-anyway/) 2024-08-02T05:00:42Z **Altermagnetism in Manganese Telluride and Others: the Future of Spintronics?**
![Illustrative models of collinear ferromagnetism, antiferromagnetism, and altermagnetism in crystal-structure real space and nonrelativistic electronic-structure momentum space. (Credit: Libor Šmejkal et al., Phys. Rev. X, 2022)](https://hackaday.com/wp-content/uploads/2024/07/ferromagnetism_antiferromagnetism_altermagnetism.png?w=800)

Magnetic materials are typically divided into fe ... ⌘ [Read more](https://hackaday.com/2024/08/01/altermagnetism-in-manganese-telluride-and-others-the-future-of-spintronics/) 2024-08-02T08:00:44Z **Rube Goldberg Floppy Disk Cleaner**
![An odd looking apparatus for cleaning floppy disks. A neon green disk tray is suspended on metal linear rails in a vertical orientation. It can move back and forth through a set of cleaning heads and a set of drying fans. There are some control buttons on the font as well as a string of addressable LEDs and two speakers.](https://hackaday.com/wp-content/uploads/2024/07/Floppy-Disk-Cleaning-Machine.jpg?w=800)

Floppies were once the standard method of information exc ... ⌘ [Read more](https://hackaday.com/2024/08/02/rube-goldberg-floppy-disk-cleaner/) 2024-08-02T11:00:02Z **Getting a Laser Eye Injury and How to Avoid it**
![](https://hackaday.com/wp-content/uploads/2016/06/homebrewlaser.jpg?w=800)

Most people love lasers, because they can make cats chase, read music from a shiny disc, etch and cut materials, and be very shiny in Hollywood blockbusters, even when their […read more](https://hackaday.com/2024/08/02/getting-a-laser-eye-injury-and-how-to-avoid-it/) ⌘ [Read more](https://hackaday.com/2024/08/02/getting-a-laser-eye-injury-and-how-to-avoid-it/) 2024-08-02T14:00:30Z **This Week in Security: Echospoofing, Ransomware Records, and Github Attestations**
![](https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800)

It’s a bit of bitter irony, when a security product gets used maliciously, to pull off the exact attack it was designed to prevent. Enter Proofpoint, and the EchoSpoofing attack. […read more](https://hackaday.com/2024/08/02/this-week-in-security-echospoofing-ransomware-records-and-github-attestations/) ⌘ [Read more](https://hackaday.com/2024/08/02/this-week-in-security-echospoofing-ransomware-records-and-github-attestations/) 2024-08-02T15:30:52Z **Solar Fountain Aerates Garden Pond**
![A circular concrete pond in a garden. A small round fountain jets water out in the center and a solar panel and control box are visible attached to the end of the pond opposite the camera. On the top left is the text, "3D printed, Solar powered, and Arduino controlled" in yellow](https://hackaday.com/wp-content/uploads/2024/07/FMOM7ZULYPURLHL.jpg?w=640)

Sometimes off-the-shelf solutions to a problem don’t meet your expectations. That’s what led [TomGoff] to build ... ⌘ [Read more](https://hackaday.com/2024/08/02/solar-fountain-aerates-garden-pond/) 2024-08-02T16:00:44Z **Hackaday Podcast Episode 282: Saildrones, a New Classic Laptop, and SNES Cartridges are More Than You Think**
![](https://hackaday.com/wp-content/uploads/2016/05/microphone.jpg?w=800)

In this episode, the CrowdStrike fiasco has Hackaday Editors Elliot Williams and Tom Nardi pondering the fragility of our modern infrastructure. From there the discussion moves on to robotic sailboats, […read more](https://hackaday.com/2024/08/02/hacka ... ⌘ [Read more](https://hackaday.com/2024/08/02/hackaday-podcast-episode-282-saildrones-a-new-classic-laptop-and-snes-cartridges-are-more-than-you-think/) 2024-08-02T18:30:37Z **Over-molding Wires with Hot Glue and 3D Printed Molds**
![](https://hackaday.com/wp-content/uploads/2024/08/glue_gun_overmold.png?w=800)

We’ve said it before and we’ll say it again: water always finds a way in. That’s particularly problematic for things like wire splices in damp environments, something that no amount […read more](https://hackaday.com/2024/08/02/over-molding-wires-with-hot-glue-and-3d-printed-molds/) ⌘ [Read more](https://hackaday.com/2024/08/02/over-molding-wires-with-hot-glue-and-3d-printed-molds/) 2024-08-02T20:00:24Z **Custom Hat Gives Vintage Mitutoyo Calipers a New Lease on Life**
![](https://hackaday.com/wp-content/uploads/2024/08/mitutoyo.jpg?w=800)

Metrology fans are usually at least a little bit in love with Mitutoyo, and rightfully so. The Japanese company has been making precision measuring instruments for the better part of […read more](https://hackaday.com/2024/08/02/custom-hat-gives-vintage-mitutoyo-calipers-a-new-lease-on-life/) ⌘ [Read more](https://hackaday.com/2024/08/02/custom-hat-gives-vintage-mitutoyo-calipers-a-new-lease-on-life/) 2024-08-02T23:00:09Z **Sliding Shelves Supersize Storage**
![Bright green shelving units suspended with silver hardware from a black frame. They are against a dark wooden wall.](https://hackaday.com/wp-content/uploads/2024/07/DIY-Storage-Solution-With-A-Secret-You-Wont-Believe-How-It-Works-YouTube-0-0-00.jpeg?w=800)

Organizing things in your home or workshop is a constant battle for some of us. Until we have access to a Tardis or bag of holding, maybe the next best […read more](https://hackaday.com/2024/08/02/sliding-shelves ... ⌘ [Read more](https://hackaday.com/2024/08/02/sliding-shelves-supersize-storage/) 2024-08-03T02:00:52Z **Taco Bell to Bring Voice AI Ordering to Hundreds of US Drive-Throughs**
![](https://hackaday.com/wp-content/uploads/2024/08/Taco_Bell_-_Vadnais_Heights_MN_-_cropped.jpg?w=800)

Drive-throughs are a popular feature at fast-food places, where you can get some fast grub without even leaving your car. For the fast-food companies running them they are also a […read more](https://hackaday.com/2024/08/02/taco-bell-to-bring-voice-ai-ordering-to-hundreds-of-us-drive-throughs/) ⌘ [Read more](https://hackaday.com/2024/08/02/taco-bell-to-bring-voice-ai-ordering-to-hundreds-of-us-drive-throughs/) 2024-08-03T05:00:27Z **Better Battery Design Through Science**
![](https://hackaday.com/wp-content/uploads/2024/08/18650s.jpg?w=800)

Before the age of lithium batteries, any project needing to carry its own power had to rely on batteries that were much less energy-dense and affordable. In many ways, we […read more](https://hackaday.com/2024/08/02/better-battery-design-through-science/) ⌘ [Read more](https://hackaday.com/2024/08/02/better-battery-design-through-science/) 2024-08-03T08:00:41Z **Linux Handheld Packs Dual Batteries So It’s Never out of Juice**
![](https://hackaday.com/wp-content/uploads/2024/08/term.png?w=800)

There was a time — not so long ago — when a handheld terminal would have been an expensive and exotic piece of kit. Now, all it takes is a […read more](https://hackaday.com/2024/08/03/linux-handheld-packs-dual-batteries-so-its-never-out-of-juice/) ⌘ [Read more](https://hackaday.com/2024/08/03/linux-handheld-packs-dual-batteries-so-its-never-out-of-juice/) 2024-08-03T11:00:20Z **Get Your Glitch on With a PicoEMP and a 3D Printer**
![](https://hackaday.com/wp-content/uploads/2024/08/glitch_o_matic.png?w=800)

We’re not sure what [Aaron Christophel] calls his automated chip glitching setup built from a 3D printer, but we’re going to go ahead and dub it the “Glitch-o-Matic 9000.” Has […read more](https://hackaday.com/2024/08/03/get-your-glitch-on-with-a-picoemp-and-a-3d-printer/) ⌘ [Read more](https://hackaday.com/2024/08/03/get-your-glitch-on-with-a-picoemp-and-a-3d-printer/) 2024-08-03T14:00:08Z **How About Privacy and Hackability?**
![](https://hackaday.com/wp-content/uploads/2017/08/enigma.jpg?w=800)

Many smart electric meters in the US use the 900 MHz band to broadcast their usage out to meter readers as they walk the neighborhood. [Jeff Sandberg] used an RTL-SDR […read more](https://hackaday.com/2024/08/03/how-about-privacy-and-hackability/) ⌘ [Read more](https://hackaday.com/2024/08/03/how-about-privacy-and-hackability/) 2024-08-03T17:00:00Z **Homebrew Relay Computer Features Motorized Clock**
![](https://hackaday.com/wp-content/uploads/2024/08/willrelay_feat.jpg?w=800)

Before today, we probably would have said that scratch-built relay computers were the sole domain of only the most wizardly of graybeards. But this impressive build sent in by [Will […read more](https://hackaday.com/2024/08/03/homebrew-relay-computer-features-motorized-clock/) ⌘ [Read more](https://hackaday.com/2024/08/03/homebrew-relay-computer-features-motorized-clock/) 2024-08-03T20:00:00Z **Steam Deck, Or Single Board Computer?**
![Steamdeck motherboard standing upright propped onto a USB-C dock it's wired up to, showing just how little you need to make the steamdeck board work.](https://hackaday.com/wp-content/uploads/2024/08/hadimg_steamdeck_mobo_feat.jpg?w=800)

With a number of repair-friendly companies entering the scene, we have gained motivation to dig deeper into devices they build, repurpose them in ways yet unseen, and uncover their secrets. […read more](https://hackaday.com/20 ... ⌘ [Read more](https://hackaday.com/2024/08/03/steam-deck-or-single-board-computer/) 2024-08-03T23:00:00Z **Need A USB Sniffer? Use Your Pico!**
![D+ and D- wires from a USB cable connected to GPIO pins on the Pi Pico, using a female header plugged onto the jumper wires](https://hackaday.com/wp-content/uploads/2024/08/hadimg_pico_usbsniff_feat.jpg?w=800)

Ever wanted to sniff USB device communications? The usual path was buying an expensive metal box with USB connectors, using logic analyzers, or wiring devboards together and hacking some software […read more](https://hackaday.com/2024/08/03/need-a-usb-sniffer ... ⌘ [Read more](https://hackaday.com/2024/08/03/need-a-usb-sniffer-use-your-pico/) 2024-08-04T02:00:00Z **Pixel Art and the Myth of The CRT Effect**
![](https://hackaday.com/wp-content/uploads/2024/08/riverside_atari2.jpg?w=737)

The ‘CRT Effect’ myth says that the reason why pixel art of old games looked so much better is due to the smoothing and blending effects of cathode-ray tube (CRT) […read more](https://hackaday.com/2024/08/03/pixel-art-and-the-myth-of-the-crt-effect/) ⌘ [Read more](https://hackaday.com/2024/08/03/pixel-art-and-the-myth-of-the-crt-effect/) 2024-08-04T05:00:00Z **Bringing The UMPCs Back With A Pi Zero**
![The UMPC powered up, case-less showing the black PCB, with the display standing upwards and showing a blue colour scheme desktop with a CLI terminal open. To the right of it is one of the UMPCs that served as an inspiration for this project.](https://hackaday.com/wp-content/uploads/2024/08/hadimg_pizero_umpc_feat.jpg?w=800)

Miss PDAs and UMPCs? You wouldn’t be the only one, and it’s a joy to see someone take the future into their own hands. [Icepat]’s dre ... ⌘ [Read more](https://hackaday.com/2024/08/03/bringing-the-umpcs-back-with-a-pi-zero/) 2024-08-04T08:00:00Z **Detecting Faster Than Light Travel by Extraterrestrials**
![](https://hackaday.com/wp-content/uploads/2024/08/detecting_alien_warp_drives.jpg?w=800)

The idea of traveling faster than the speed of light (FTL) has been a popular idea long before [Alcubierre] came up with the first plausible theoretical underpinnings for such a […read more](https://hackaday.com/2024/08/04/detecting-faster-than-light-travel-by-extraterrestrials/) ⌘ [Read more](https://hackaday.com/2024/08/04/detecting-faster-than-light-travel-by-extraterrestrials/) 2024-08-04T11:00:00Z **PC-9800 Boot Sounds for Modern Computers!**
![](https://hackaday.com/wp-content/uploads/2024/08/m2pc9800bootsound.jpg?w=800)

There have been many computers that played a little jingle to greet you upon booting. The NEC PC-9800 is a famous example, though almost all the Macintosh computers played either […read more](https://hackaday.com/2024/08/04/pc-9800-boot-sounds-for-modern-computers/) ⌘ [Read more](https://hackaday.com/2024/08/04/pc-9800-boot-sounds-for-modern-computers/) 2024-08-04T14:00:00Z **All The Air Ducting Parts You Could Ever Need**
![](https://hackaday.com/wp-content/uploads/2024/08/air-ducting-featured.jpg?w=800)

If you have ever planned an air duct or dust extraction system for your shop, you’ll know just how difficult it can be to accommodate all but the simplest of […read more](https://hackaday.com/2024/08/04/all-the-air-ducting-parts-you-could-ever-need/) ⌘ [Read more](https://hackaday.com/2024/08/04/all-the-air-ducting-parts-you-could-ever-need/) 2024-08-04T17:00:00Z **Your ESP32 As A USB Bluetooth Dongle**
![](https://hackaday.com/wp-content/uploads/2021/07/esp32-linux-featured.jpg?w=800)

Using Bluetooth on a desktop computer is now such a seamless process; it’s something built-in and just works. Behind that ubiquity is a protocol layer called HCI, or Host Controller […read more](https://hackaday.com/2024/08/04/your-esp32-as-a-usb-bluetooth-dongle/) ⌘ [Read more](https://hackaday.com/2024/08/04/your-esp32-as-a-usb-bluetooth-dongle/) 2024-08-04T23:00:12Z **Hackaday Links: August 4, 2024**
![Hackaday Links Column Banner](https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800)

Good news, bad news for Sun watchers this week, as our star launched a solar flare even bigger than the one back in May that gave us an amazing display […read more](https://hackaday.com/2024/08/04/hackaday-links-august-4-2024/) ⌘ [Read more](https://hackaday.com/2024/08/04/hackaday-links-august-4-2024/) 2024-08-05T02:00:00Z **Apollo Computer: The Forgotten Workstations**
![](https://hackaday.com/wp-content/uploads/2024/08/Apollo-Computer-1-e1722800483779.png?w=697)

Ever heard of Apollo Computer, Inc.? They were one of the first graphical workstation vendors in the 1980s, and at the time were competitors to Sun Microsystems. But that’s enough […read more](https://hackaday.com/2024/08/04/apollo-computer-the-forgotten-workstations/) ⌘ [Read more](https://hackaday.com/2024/08/04/apollo-computer-the-forgotten-workstations/) 2024-08-05T05:00:00Z **The Ultimate Seed Vault Backup? How About the Moon**
![](https://hackaday.com/wp-content/uploads/2024/08/Moon-Earth-View-featured.png?w=800)

A safe haven to preserve samples of biodiversity from climate change, habitat loss, natural disaster, and other threats is recognized as a worthwhile endeavor. Everyone knows good backup practice involves […read more](https://hackaday.com/2024/08/04/the-ultimate-seed-vault-backup-how-about-the-moon/) ⌘ [Read more](https://hackaday.com/2024/08/04/the-ultimate-seed-vault-backup-how-about-the-moon/) 2024-08-05T08:00:00Z **At Last, Chumby is Ready**
![](https://hackaday.com/wp-content/uploads/2024/08/chumbylogo.jpg?w=791)

It has been two years, but the slow and steady progress that [Doug Brown] has been making towards bringing a modern Linux kernel to the Chumby has approached the point […read more](https://hackaday.com/2024/08/05/at-last-chumby-is-ready/) ⌘ [Read more](https://hackaday.com/2024/08/05/at-last-chumby-is-ready/) 2024-08-05T11:00:00Z **Proof that find + mkdir are Turing-Complete**
![](https://hackaday.com/wp-content/uploads/2016/08/turingtapes.jpg?w=800)

Data manipulation is at the heart of computation, and a system is said to be Turing-complete if it can be configured to manipulate data in a way that makes implementing […read more](https://hackaday.com/2024/08/05/proof-that-find-mkdir-are-turing-complete/) ⌘ [Read more](https://hackaday.com/2024/08/05/proof-that-find-mkdir-are-turing-complete/) 2024-08-05T14:00:27Z **Radio Apocalypse: HFGCS, The Backup Plan for Doomsday**
![](https://hackaday.com/wp-content/uploads/2017/11/radioapocalypse.jpg?w=800)

To the extent that you have an opinion on something like high-frequency (HF) radio, you probably associate it with amateur radio operators, hunched over their gear late at night as […read more](https://hackaday.com/2024/08/05/radio-apocalypse-hfgcs-the-backup-plan-for-doomsday/) ⌘ [Read more](https://hackaday.com/2024/08/05/radio-apocalypse-hfgcs-the-backup-plan-for-doomsday/) 2024-08-05T15:30:00Z **Serve Your Next Website with QuickBasic**
![](https://hackaday.com/wp-content/uploads/2024/08/qub.png?w=800)

You can only imagine that when they made Star Trek back in the 1960s, they would have laughed if anyone suggested they’d still be making the show nearly six decades […read more](https://hackaday.com/2024/08/05/serve-your-next-website-with-quickbasic/) ⌘ [Read more](https://hackaday.com/2024/08/05/serve-your-next-website-with-quickbasic/) 2024-08-05T17:00:34Z **Embedded Python: MicroPython Toolkits**
![](https://hackaday.com/wp-content/uploads/2024/06/Python.jpg?w=800)

Last time, I talked about how MicroPython is powerful and deserving of a place in your toolkit, and it made for a lively discussion. I’m glad to see that overall, […read more](https://hackaday.com/2024/08/05/embedded-python-micropython-toolkits/) ⌘ [Read more](https://hackaday.com/2024/08/05/embedded-python-micropython-toolkits/) 2024-08-05T18:30:00Z **Asteroids: Kessler Syndrome Edition**
![](https://hackaday.com/wp-content/uploads/2024/08/asteroids-kessler-main.png?w=800)

Asteroids, the late-70s arcade hit, was an immensely popular game. Often those with the simplest premise, while maintaining a fun, lighthearted gameplay have the most cultural impact and longest legacy. […read more](https://hackaday.com/2024/08/05/asteroids-kessler-syndrome-edition/) ⌘ [Read more](https://hackaday.com/2024/08/05/asteroids-kessler-syndrome-edition/) 2024-08-05T20:00:57Z **A Two-Stroke Engine Made From Scratch Using Basic Hardware Store Parts**
![](https://hackaday.com/wp-content/uploads/2024/08/two-stroke_engine_from_scratch_parts.jpg?w=800)

How hard could it to be to build a two-stroke internal combustion engine (ICE) from scratch? This is a challenge that [Camden Bowen] gladly set for himself, while foregoing such […read more](https://hackaday.com/2024/08/05/a-two-stroke-engine-made-from-scratch-using-basic-hardware-store-parts/) ⌘ [Read more](https://hackaday.com/2024/08/05/a-two-stroke-engine-made-from-scratch-using-basic-hardware-store-parts/) 2024-08-05T23:00:04Z **Cisco Ball is the Tumbleweed Opposite of a Disco Ball**
![A rough cut piece of wood sits on a workbench. A light and a tumbleweed are mounted on top so that the light shines through the tumbleweed. A woman in a ball cap and white tank top is crouched in the background smiling.](https://hackaday.com/wp-content/uploads/2024/08/Inspired-by-a-Tumbleweed.-YouTube-0-7-31.jpeg?w=800)

Inspiration can strike a maker at any moment. For [Laura Kampf], it happened in the desert when she saw a t ... ⌘ [Read more](https://hackaday.com/2024/08/05/cisco-ball-is-the-tumbleweed-opposite-of-a-disco-ball/) 2024-08-06T02:00:00Z **The 555 As A MOSFET Driver**
![](https://hackaday.com/wp-content/uploads/2024/08/555-driver-featured.jpg?w=800)

To drive a MOSFET requires more than merely a logic level output, there’s a requirement to charge the device’s gate which necessitates a suitable buffer amplifier. A variety of different […read more](https://hackaday.com/2024/08/05/the-555-as-a-mosfet-driver/) ⌘ [Read more](https://hackaday.com/2024/08/05/the-555-as-a-mosfet-driver/) 2024-08-06T08:00:00Z **A Look Inside the Space Shuttle’s First Printer**
![](https://hackaday.com/wp-content/uploads/2024/08/thagard.jpg?w=800)

There was even a day not too long ago when printers appeared to be going the way of the dodo; remember the “paperless office” craze? But then, printer manufacturers invented […read more](https://hackaday.com/2024/08/06/a-look-inside-the-space-shuttles-first-printer/) ⌘ [Read more](https://hackaday.com/2024/08/06/a-look-inside-the-space-shuttles-first-printer/) 2024-08-06T11:00:00Z **Creating 1 um Features The Hacker Way**
![](https://hackaday.com/wp-content/uploads/2024/08/1um.webp?w=800)

[Breaking Taps] has done some lithography experiments in the past, including some test patterns and a rudimentary camera sensor. But now, it’s time to turn it up a notch with […read more](https://hackaday.com/2024/08/06/creating-1%c2%b5m-features-the-hacker-way/) ⌘ [Read more](https://hackaday.com/2024/08/06/creating-1%c2%b5m-features-the-hacker-way/) 2024-08-06T14:00:00Z **Hack On Self: Sense Of Time**
![](https://hackaday.com/wp-content/uploads/2017/06/biological.jpg?w=800)

Every now and then, a commercial product aims to help you in your life journey, in a novel way, making your life better through its presence. Over the years, I’ve […read more](https://hackaday.com/2024/08/06/hack-on-self-sense-of-time/) ⌘ [Read more](https://hackaday.com/2024/08/06/hack-on-self-sense-of-time/) 2024-08-06T15:30:00Z **Benchy In A Bottle**
![](https://hackaday.com/wp-content/uploads/2024/08/Benchy-in-a-Bottle-Build-Video-2-44-screenshot-1.png?w=800)

Making something enjoyable often requires a clever trick. It could be a way to cut something funny or abuse some peripheral in a way it was never designed for. Especially […read more](https://hackaday.com/2024/08/06/benchy-in-a-bottle/) ⌘ [Read more](https://hackaday.com/2024/08/06/benchy-in-a-bottle/) 2024-08-06T17:30:02Z **Tickets for Supercon 2024 Go On Sale Now!**
![](https://hackaday.com/wp-content/uploads/2024/08/supercon_2024_featured_knob.png?w=800)

Tickets for the 2024 Hackaday Supercon are on sale now! Go and get yours while they’re still hot. True-Believer Tickets are half-price at $148 (plus fees), and when that pile […read more](https://hackaday.com/2024/08/06/tickets-for-supercon-2024-go-on-sale-now/) ⌘ [Read more](https://hackaday.com/2024/08/06/tickets-for-supercon-2024-go-on-sale-now/) 2024-08-06T20:00:00Z **RC Car Gets Force Feedback Steering**
![](https://hackaday.com/wp-content/uploads/2024/08/force-feedback-main.png?w=800)

Remote-controlled cars can get incredibly fast and complex (and expensive) the farther into the hobby you get. So much so that a lot of things that are missing from the […read more](https://hackaday.com/2024/08/06/rc-car-gets-force-feedback-steering/) ⌘ [Read more](https://hackaday.com/2024/08/06/rc-car-gets-force-feedback-steering/) 2024-08-06T23:00:51Z **Old Time Stereographs Get New Photos**
![](https://hackaday.com/wp-content/uploads/2024/08/3d.png?w=800)

In the late 1800s, the stereograph — sometimes incorrectly called a stereopticon — was a big craze. You’d view two side-by-side images through some lenses and see a three-dimensional image. […read more](https://hackaday.com/2024/08/06/old-time-stereographs-get-new-photos/) ⌘ [Read more](https://hackaday.com/2024/08/06/old-time-stereographs-get-new-photos/) 2024-08-07T02:00:34Z **1000 Picks Make for a Weird Guitar**
![A black guitar with red rings on its body is held by a man in a black shirt. Text pointing to the red ring of guitar picks says, "This spins."](https://hackaday.com/wp-content/uploads/2024/08/1000-picks-guitar.jpg?w=800)

String instruments have a long history in civilization, helping humans make more complex and beautiful music. We wonder what our forebears would think of this guitar strummed with 1000 picks? […read more](https://hackaday.com/2024/08/06/1000-pick ... ⌘ [Read more](https://hackaday.com/2024/08/06/1000-picks-make-for-a-weird-guitar/) 2024-08-07T05:00:03Z **Tiny Trackpad Fits On Ergonomic Keyboard**
![](https://hackaday.com/wp-content/uploads/2024/08/trackpad-main.jpg?w=800)

Cats are notorious for interrupting workflow. Whether it’s in the kitchen, the garden, or the computer, any feline companion around has a way of getting into mischief in an oftentimes […read more](https://hackaday.com/2024/08/06/tiny-trackpad-fits-on-ergonomic-keyboard/) ⌘ [Read more](https://hackaday.com/2024/08/06/tiny-trackpad-fits-on-ergonomic-keyboard/) 2024-08-07T08:00:00Z **Kali Cyberdeck Looks the Business**
![](https://hackaday.com/wp-content/uploads/2024/08/kali_cyberdeck1.png?w=800)

Even though we somewhat uncharacteristically don’t have a cyberdeck contest currently underway, there’s never a bad time to get your [Gibson] on. That’s especially true when fate hands you an […read more](https://hackaday.com/2024/08/07/kali-cyberdeck-looks-the-business/) ⌘ [Read more](https://hackaday.com/2024/08/07/kali-cyberdeck-looks-the-business/) 2024-08-07T11:00:00Z **Obscure Sci Fi Robots**
![](https://hackaday.com/wp-content/uploads/2024/08/movie.png?w=800)

Even if you don’t like to build replicas of movie robots, you can often draw inspiration from cinema. Everyone knows Robby the Robot, Gort, and R2D2. But [Atomic Snack Bar] […read more](https://hackaday.com/2024/08/07/obscure-sci-fi-robots/) ⌘ [Read more](https://hackaday.com/2024/08/07/obscure-sci-fi-robots/) 2024-08-07T14:00:17Z **I2C For Hackers: The Basics**
![](https://hackaday.com/wp-content/uploads/2016/07/i2c_montage.png?w=800)

You only really need two data wires to transfer a ton of data. Standards like UART, USB2, I2C, SPI, PS/2, CAN, RS232, SWD (an interface to program MCUs), RS485, DMX, […read more](https://hackaday.com/2024/08/07/i2c-for-hackers-the-basics/) ⌘ [Read more](https://hackaday.com/2024/08/07/i2c-for-hackers-the-basics/) 2024-08-07T15:30:00Z **An ESP Makes A Bicycle Odometer**
![](https://hackaday.com/wp-content/uploads/2024/08/bike-speedo-featured.jpg?w=800)

If you’d like to measure the speed of your cycling then it’s easy enough to buy a cycle computer, but as [Clovis Fritzen] has done it’s also an option to […read more](https://hackaday.com/2024/08/07/an-esp-makes-a-bicycle-odometer/) ⌘ [Read more](https://hackaday.com/2024/08/07/an-esp-makes-a-bicycle-odometer/) 2024-08-07T17:00:01Z **On Carbon Fiber Types and Their Carcinogenic Risks**
![](https://hackaday.com/wp-content/uploads/2016/08/fr-colorfabb-cf-20-filament-closeup.jpg?w=800)

Initially only seeing brief popular use as the filament in incandescent lighting, carbon fibers (CF) experienced a resurgence during the 20th century as part of composite materials that are lighter […read more](https://hackaday.com/2024/08/07/on-carbon-fiber-types-and-their-carcinogenic-risks/) ⌘ [Read more](https://hackaday.com/2024/08/07/on-carbon-fiber-types-and-their-carcinogenic-risks/) 2024-08-07T18:30:00Z **Compiling Four Billion If Statements**
![](https://hackaday.com/wp-content/uploads/2024/08/four-billion-if-statements_featured.png?w=800)

With modern tools, you have to try very hard to do something stupid, because the tools (rightly) recognize you’re doing something stupid. [Andreas Karlsson] can speak to that first hand […read more](https://hackaday.com/2024/08/07/compiling-four-billion-if-statements/) ⌘ [Read more](https://hackaday.com/2024/08/07/compiling-four-billion-if-statements/) 2024-08-07T20:00:19Z **FLOSS Weekly Episode 795: Liferay, Now We’re Thinking With Portals**
![](https://hackaday.com/wp-content/uploads/2021/06/Pipewire.jpg?w=800)

This week Jonathan Bennett and Doc Searls chat with Olaf Kock and Dave Nebinger about Liferay! That’s a Java project that started as an implementation of a web portal, and […read more](https://hackaday.com/2024/08/07/floss-weekly-episode-795-liferay-now-were-thinking-with-portals/) ⌘ [Read more](https://hackaday.com/2024/08/07/floss-weekly-episode-795-liferay-now-were-thinking-with-portals/) 2024-08-07T23:00:00Z **Vintage Crystal Radio Draws the Waves**
![](https://hackaday.com/wp-content/uploads/2024/08/xtal.png?w=800)

The classic crystal radio was an oatmeal box with some wire and a few parts. [Michael Simpson] has something very different. He found an assembled Philmore “selective” radio kit. The […read more](https://hackaday.com/2024/08/07/vintage-crystal-radio-draws-the-waves/) ⌘ [Read more](https://hackaday.com/2024/08/07/vintage-crystal-radio-draws-the-waves/) 2024-08-08T02:00:41Z **The First Real Sputnik**
![](https://hackaday.com/wp-content/uploads/2024/08/sputnik3.png?w=800)

Americans certainly remember Sputnik. At a time when the world was larger and scarier, the Soviets had a metal basketball flying over the United States and the rest of the […read more](https://hackaday.com/2024/08/07/the-first-real-sputnik/) ⌘ [Read more](https://hackaday.com/2024/08/07/the-first-real-sputnik/) 2024-08-08T05:00:22Z **Forget Ship in a Bottle, How About Joule Thief in a Fuse Tube?**
![](https://hackaday.com/wp-content/uploads/2024/08/joule-thief-in-a-fuse-tube-1.jpg?w=800)

We love close-up pictures of intricate work, and [w] hits the spot with a tiny joule thief in a fuse case (social media post, embedded below) powered by an old […read more](https://hackaday.com/2024/08/07/forget-ship-in-a-bottle-how-about-joule-thief-in-a-fuse-tube/) ⌘ [Read more](https://hackaday.com/2024/08/07/forget-ship-in-a-bottle-how-about-joule-thief-in-a-fuse-tube/) 2024-08-08T08:15:27Z **Tulip is a Micropython Synth Workstation, in an ESP32**
![](https://hackaday.com/wp-content/uploads/2024/08/tulip_hero.jpg?w=800)

We’re not sure exactly what Tulip is, because it’s so many things all at once. It’s a music-making environment that’s programmable in Python, runs on your big computer or on […read more](https://hackaday.com/2024/08/08/tulip-is-a-micropython-synth-workstation-in-an-esp32/) ⌘ [Read more](https://hackaday.com/2024/08/08/tulip-is-a-micropython-synth-workstation-in-an-esp32/) 2024-08-08T11:00:00Z **Magnesium and Copper Makes an Emergency Flashlight**
![](https://hackaday.com/wp-content/uploads/2024/08/FYQRX1TLZH07GHK-e1723101403168.webp?w=800)

Many of us store a flashlight around the house for use in emergency situations. Usually, regular alkaline batteries are fine for this task, as they’ll last a good few years, […read more](https://hackaday.com/2024/08/08/magnesium-and-copper-makes-an-emergency-flashlight/) ⌘ [Read more](https://hackaday.com/2024/08/08/magnesium-and-copper-makes-an-emergency-flashlight/) 2024-08-08T15:15:54Z **Raspberry Has a New Pico, Built with the New RP2350**
![](https://hackaday.com/wp-content/uploads/2024/08/pico2_1.webp?w=800)

Raspberry Pi’s first foray into the world of microcontrollers, the RP2040, was a very interesting chip. Its standout features were the programmable input/output units (PIOs) which enabled all sorts of […read more](https://hackaday.com/2024/08/08/raspberry-has-a-new-pico-and-the-rp2350/) ⌘ [Read more](https://hackaday.com/2024/08/08/raspberry-has-a-new-pico-and-the-rp2350/) 2024-08-08T14:00:04Z **Keebin’ with Kristina: the One with the KiCad Plugin**
![Illustrated Kristina with an IBM Model M keyboard floating between her hands.](https://hackaday.com/wp-content/uploads/2021/07/Keebin.jpg?w=800)

The most striking feature of the Tenshi keyboard has to be those dual track pads. But then you notice that [fata1err0r81] managed to sneak in two extra thumb keys on […read more](https://hackaday.com/2024/08/08/keebin-with-kristina-the-one-with-the-kicad-plugin/) ⌘ [Read more](https://hackaday.com/2024/08/08/keebin-with-kristina-the-one-with-the-kicad-plugin/) 2024-08-08T16:30:00Z **A Smart LED Dice Box Thanks To The Internet of Things**
![](https://hackaday.com/wp-content/uploads/2024/08/Dice-Tower-Effect-Menu-Demo-1-46-screenshot-1.png?w=800)

If there’s one thing humans love, it’s dancing with chance. To that end, [Jonathan] whipped up a fun dice box, connecting it to the Internet of Things for additional functionality. […read more](https://hackaday.com/2024/08/08/a-smart-led-dice-box-thanks-to-the-internet-of-things/) ⌘ [Read more](https://hackaday.com/2024/08/08/a-smart-led-dice-box-thanks-to-the-internet-of-things/) 2024-08-08T18:30:00Z **Adapter Salad: Making Your Own Server Cables Because HP Won’t Sell Them To You**
![](https://hackaday.com/wp-content/uploads/2024/08/hpe_ml110_diy_sas-1-e1723102823598.jpg?w=800)

The world is tough and uncaring sometimes, especially if you’re at home tinkering with HP Enterprise equipment. If you’re in the same boat as [Neel Chauhan], you might have found […read more](https://hackaday.com/2024/08/08/adapter-salad-making-your-own-server-cables-because-hp-wont-s ... ⌘ [Read more](https://hackaday.com/2024/08/08/adapter-salad-making-your-own-server-cables-because-hp-wont-sell-them-to-you/) 2024-08-08T20:00:14Z **Internet Appliance to Portable Terminal**
![A black device with a monochrome LCD sits on a wooden table. It's keyboard extends below the frame. On the screen is the "Level 29" BBS service login.](https://hackaday.com/wp-content/uploads/2024/08/2019-05-03-mailstation_level_29-1500x606-1.jpg?w=800)

Few processors have found themselves in so many different devices as the venerable Z80. While it isn’t powerful by modern standards, you can still use devices like this Cidco MailStation […read more](htt ... ⌘ [Read more](https://hackaday.com/2024/08/08/internet-appliance-to-portable-terminal/) 2024-08-08T23:00:37Z **Building AI Models To Diagnose HVAC Issues**
![](https://hackaday.com/wp-content/uploads/2024/08/hvac-ai-main.jpg?w=800)

HVAC – heating, ventilation, and air conditioning – can account for a huge amount of energy usage of a building, whether it’s residential or industrial. Often it’s the majority energy […read more](https://hackaday.com/2024/08/08/building-ai-models-to-diagnose-hvac-issues/) ⌘ [Read more](https://hackaday.com/2024/08/08/building-ai-models-to-diagnose-hvac-issues/) 2024-08-09T02:00:55Z **Kickflips and Buffer Slips: An Exploit in Tony Hawk’s Pro Skater**
![](https://hackaday.com/wp-content/uploads/2024/08/Tony-Hawks-Pro-Strcpy-3-10-screenshot.png?w=800)

[Ryan Miceli] wanted to build some reverse engineering skills by finding a new exploit for an original Xbox. Where he ended up was an exploit that worked across the network, […read more](https://hackaday.com/2024/08/08/kickflips-and-buffer-slips-an-exploit-in-tony-hawks-pro-skater/) ⌘ [Read more](https://hackaday.com/2024/08/08/kickflips-and-buffer-slips-an-exploit-in-tony-hawks-pro-skater/) 2024-08-09T05:00:44Z **Mouse Doesn’t Play Pong… It IS Pong!**
![](https://hackaday.com/wp-content/uploads/2024/08/pong.png?w=800)

From the “why didn’t we think of that” department comes [dupontgu’s] pong mouse project. The mouse appears and acts like a normal computer mouse until you click the scroll wheel. […read more](https://hackaday.com/2024/08/08/mouse-doesnt-play-pong-it-is-pong/) ⌘ [Read more](https://hackaday.com/2024/08/08/mouse-doesnt-play-pong-it-is-pong/) 2024-08-09T08:00:00Z **Fixing a Busted Fluke While Fighting a Wonky Schematic**
![](https://hackaday.com/wp-content/uploads/2024/08/fluke_fix.png?w=800)

Fluke meters have been around for a long, long time. Heck, we’ve got a Fluke 73 that we bought back in 1985 that’s still a daily driver. But just because […read more](https://hackaday.com/2024/08/09/fixing-a-busted-fluke-while-fighting-a-wonky-schematic/) ⌘ [Read more](https://hackaday.com/2024/08/09/fixing-a-busted-fluke-while-fighting-a-wonky-schematic/) 2024-08-09T11:00:00Z **Liquid (Reversibly) Solidifies at Room Temperature, Gets Used for 3D Prints**
![](https://hackaday.com/wp-content/uploads/2024/08/sustainable-3Dprinting-structure.png?w=662)

Researchers demonstrate sustainable 3D printing by using poly(N-isopropylacrylamide) solutions (PNIPAM), which speedily and reliably turn solid by undergoing a rapid phase change when in a salt solution. This property has […read more](https://hackaday.com/2024/08/09/liquid-reversibly-solidifie ... ⌘ [Read more](https://hackaday.com/2024/08/09/liquid-reversibly-solidifies-at-room-temperature-gets-used-for-3d-prints/) 2024-08-09T14:00:02Z **This Week in Security: GhostWrite, Localhost, and More**
![](https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800)

You may have heard some scary news about RISC-V CPUs. There’s good news, and bad news, and the whole thing is a bit of a cautionary tale. GhostWrite is a […read more](https://hackaday.com/2024/08/09/this-week-in-security-ghostwrite-localhost-and-more/) ⌘ [Read more](https://hackaday.com/2024/08/09/this-week-in-security-ghostwrite-localhost-and-more/) 2024-08-09T15:30:00Z **Custom Pneumatic Cylinders Lock This Monitor Arm in Place**
![](https://hackaday.com/wp-content/uploads/2024/08/monitor_arm.png?w=800)

Few consumer-grade PCs are what you’d categorize as built to last. Most office-grade machines are as likely as not to give up the ghost after ingesting a few too many […read more](https://hackaday.com/2024/08/09/custom-pneumatic-cylinders-lock-this-monitor-arm-in-place/) ⌘ [Read more](https://hackaday.com/2024/08/09/custom-pneumatic-cylinders-lock-this-monitor-arm-in-place/) 2024-08-09T16:30:38Z **Hackaday Podcast Episode 283: Blinding Lasers, LEDs, and ETs**
![](https://hackaday.com/wp-content/uploads/2016/05/microphone.jpg?w=800)

Hackaday Editors Elliot Williams and Al Williams reflect on the fact that, as humans, we have–at most–two eyes and no warp drives. While hacking might not be the world’s most […read more](https://hackaday.com/2024/08/09/hackaday-podcast-episode-283-blinding-lasers-leds-and-ets/) ⌘ [Read more](https://hackaday.com/2024/08/09/hackaday-podcast-episode-283-blinding-lasers-leds-and-ets/) 2024-08-09T18:30:00Z **500cc Of 4-Wheel Off-Road Fun**
![](https://hackaday.com/wp-content/uploads/2024/08/off-road-buggy-featured.jpg?w=800)

Who among us hasn’t at some point thought of building a little vehicle, and better still, a little off-road vehicle for a few high-octane rough-terrain adventures. [Made in Poland] has, […read more](https://hackaday.com/2024/08/09/500cc-of-4-wheel-off-road-fun/) ⌘ [Read more](https://hackaday.com/2024/08/09/500cc-of-4-wheel-off-road-fun/) 2024-08-09T20:00:16Z **The First Fitbit: Engineering and Industrial Design Lessons**
![](https://hackaday.com/wp-content/uploads/2024/08/fitbit_production_pre-assembly.jpg?w=800)

It could happen to anyone of us: suddenly you got this inkling of an idea for a product that you think might just be pretty useful or even cool. Some […read more](https://hackaday.com/2024/08/09/the-first-fitbit-engineering-and-industrial-design-lessons/) ⌘ [Read more](https://hackaday.com/2024/08/09/the-first-fitbit-engineering-and-industrial-design-lessons/) 2024-08-09T23:00:50Z **The Waveguide Explanation You Wish You’d Had At School**
![](https://hackaday.com/wp-content/uploads/2024/08/waveguide-featured.jpg?w=800)

Anyone who has done an electronic engineering qualification will at some point have had to get to grips with transmission lines, and then if they are really lucky, waveguides. Perhaps […read more](https://hackaday.com/2024/08/09/the-waveguide-explanation-you-wish-youd-had-at-school/) ⌘ [Read more](https://hackaday.com/2024/08/09/the-waveguide-explanation-you-wish-youd-had-at-school/) 2024-08-10T02:00:49Z **Laser Fault Injection on the Cheap**
![](https://hackaday.com/wp-content/uploads/2024/08/LFI.png?w=800)

One can only imagine the wonders held within the crypto labs of organizations like the CIA or NSA. Therein must be machines of such sophistication that no electronic device could […read more](https://hackaday.com/2024/08/09/laser-fault-injection-on-the-cheap/) ⌘ [Read more](https://hackaday.com/2024/08/09/laser-fault-injection-on-the-cheap/) 2024-08-10T05:00:57Z **The Luminiferous Theremin**
![](https://hackaday.com/wp-content/uploads/2024/08/ther.png?w=800)

[Extreme Kits] asks the question: “What the hell is a luminiferous theremin?” We have to admit, we know what a thermin is, but that’s as far as we got. You’ve […read more](https://hackaday.com/2024/08/09/the-luminiferous-theremin/) ⌘ [Read more](https://hackaday.com/2024/08/09/the-luminiferous-theremin/) 2024-08-10T08:00:03Z **What is SystemVerilog, Really?**
![](https://hackaday.com/wp-content/uploads/2024/08/fpga.png?w=800)

[Mark] starts a post from a bit ago with: “… maybe you have also heard that SystemVerilog is simply an extension of Verilog, focused on testing and verification.” This is […read more](https://hackaday.com/2024/08/10/what-is-systemverilog-really/) ⌘ [Read more](https://hackaday.com/2024/08/10/what-is-systemverilog-really/) 2024-08-10T11:00:28Z **Video Game Preservation – Stop Killing Games!**
![](https://hackaday.com/wp-content/uploads/2024/08/Screenshot_114447_1-e1723262934406.png?w=800)

It’s been an ongoing issue for years now. People who buy video games, especially physical copies, expect to be able to play that game at their leisure, no matter how […read more](https://hackaday.com/2024/08/10/video-game-preservation-stop-killing-games/) ⌘ [Read more](https://hackaday.com/2024/08/10/video-game-preservation-stop-killing-games/) 2024-08-10T14:00:44Z **Better Living Through Hackery**
![](https://hackaday.com/wp-content/uploads/2017/07/automation.jpg?w=800)

Hackaday’s own [Arya Voronova] has been on a multi-year kick to make technology more personal by making it herself, and has just now started writing about it. Her main point […read more](https://hackaday.com/2024/08/10/better-living-through-hackery/) ⌘ [Read more](https://hackaday.com/2024/08/10/better-living-through-hackery/) 2024-08-10T17:00:56Z **Be your own DJ with QN8066 and an Arduino Library**
![](https://hackaday.com/wp-content/uploads/2024/08/8066-feat.jpg?w=800)

The QN8066 is a fun little FM transmitter chip. It covers the full FM broadcast band and has built-in DSP. You would find this sort of part in car cell […read more](https://hackaday.com/2024/08/10/be-your-own-dj-with-qn8066-and-an-arduino-library/) ⌘ [Read more](https://hackaday.com/2024/08/10/be-your-own-dj-with-qn8066-and-an-arduino-library/) 2024-08-10T20:00:37Z **3D Printed Jet Engine Goes Turbo**
![](https://hackaday.com/wp-content/uploads/2024/08/jet.png?w=800)

Printing a model jet engine is quite an accomplishment. But it wasn’t enough for [linus3d]. He wanted to redesign it to have a turbojet, an afterburner, and a variable exhaust […read more](https://hackaday.com/2024/08/10/3d-printed-jet-engine-goes-turbo/) ⌘ [Read more](https://hackaday.com/2024/08/10/3d-printed-jet-engine-goes-turbo/) 2024-08-10T23:00:18Z **Robot Arm Gives Kids the Roller Coaster Ride of their Lives**
![](https://hackaday.com/wp-content/uploads/2024/08/coaster_sim.png?w=800)

Unfortunately, [Dave Niewinski]’s kids are still too little to go on a real roller coaster. But they’re certainly big enough to be tossed around by this giant robot arm roller […read more](https://hackaday.com/2024/08/10/robot-arm-gives-kids-the-roller-coaster-ride-of-their-lives/) ⌘ [Read more](https://hackaday.com/2024/08/10/robot-arm-gives-kids-the-roller-coaster-ride-of-their-lives/) 2024-08-11T02:00:35Z **Potential Cure For All of England’s Beta Thalassemia Patients Within Reach**
![A giemsa stained blood smear from a person with beta thalassemia (Credit: Dr Graham Beards, Wikimedia Commons)](https://hackaday.com/wp-content/uploads/2023/11/B-Thalassemia_red_blood_cells.jpg?w=800)

Beta thalassemia and sickle cell are two red blood cell disorders which both come with massive health implications and shortened lifespans, but at least for UK-based patients the former m ... ⌘ [Read more](https://hackaday.com/2024/08/10/potential-cure-for-all-of-englands-beta-thalassemia-patients-within-reach/) 2024-08-11T05:00:26Z **Proxxon CNC Conversion Makes a Small Mill a Bit Bigger**
![](https://hackaday.com/wp-content/uploads/2024/08/enclosure2_featured.png?w=800)

The Proxxon MF70 mini-mill is a cheap and cheerful, but decently made little desktop mill. As such, it’s been the target of innumerable CNC-ification projects, including an official kit from […read more](https://hackaday.com/2024/08/10/proxxon-cnc-conversion-makes-a-small-mill-a-bit-bigger/) ⌘ [Read more](https://hackaday.com/2024/08/10/proxxon-cnc-conversion-makes-a-small-mill-a-bit-bigger/) 2024-08-11T08:00:42Z **Inside the Mecanum Wheel**
![](https://hackaday.com/wp-content/uploads/2024/08/wheel.png?w=800)

If you make anything that moves, like a robot, you quickly realize that turning can be a pain. That’s why there are a number of designs for wheels that can […read more](https://hackaday.com/2024/08/11/inside-the-mecanum-wheel/) ⌘ [Read more](https://hackaday.com/2024/08/11/inside-the-mecanum-wheel/) 2024-08-11T11:00:08Z **Achieving Human Level Competitive Robot Table Tennis**
![](https://hackaday.com/wp-content/uploads/2024/08/google_table_tennis_robot.jpg?w=800)

A team at Google has spent a lot of time recently playing table tennis, purportedly only for science. Their goal was to see whether they could construct a robot which […read more](https://hackaday.com/2024/08/11/achieving-human-level-competitive-robot-table-tennis/) ⌘ [Read more](https://hackaday.com/2024/08/11/achieving-human-level-competitive-robot-table-tennis/) 2024-08-11T14:00:00Z **A Tiny Knob Keeps You In Control**
![](https://hackaday.com/wp-content/uploads/2024/08/tiny-knob-featured.jpg?w=800)

There are many forms of human interface device beyond the ubiquitous keyboard and mouse, but when it comes to fine-tuning a linear setting such as a volume control there’s nothing […read more](https://hackaday.com/2024/08/11/a-tiny-knob-keeps-you-in-control/) ⌘ [Read more](https://hackaday.com/2024/08/11/a-tiny-knob-keeps-you-in-control/) 2024-08-11T17:00:44Z **Moonbounce Music**
![](https://hackaday.com/wp-content/uploads/2024/08/moonfeet.png?w=800)

There’s something inspiring about echos. Who among us hasn’t called out or clapped hands in a large space just to hear the sound reflected back? Radio takes this to a […read more](https://hackaday.com/2024/08/11/moonbounce-music/) ⌘ [Read more](https://hackaday.com/2024/08/11/moonbounce-music/) 2024-08-11T20:00:39Z **If You Give A Dev A Tricked Out Xbox, They’ll Patch Halo 2**
![](https://hackaday.com/wp-content/uploads/2024/08/pop_in_fbf.png?w=800)

[Ryan Miceli] had spent a few years pouring over and reverse-engineering Halo 2 when a friend asked for a favor. His friend created an improved Xbox with significant overclocks, RAM […read more](https://hackaday.com/2024/08/11/if-you-give-a-dev-a-tricked-out-xbox-theyll-patch-halo-2/) ⌘ [Read more](https://hackaday.com/2024/08/11/if-you-give-a-dev-a-tricked-out-xbox-theyll-patch-halo-2/) 2024-08-11T23:00:45Z **Hackaday Links: August 11, 2024**
![Hackaday Links Column Banner](https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800)

“Please say it wasn’t a regex, please say it wasn’t a regex; aww, crap, it was a regex!” That seems to be the conclusion now that Crowdstrike has released a […read more](https://hackaday.com/2024/08/11/hackaday-links-august-11-2024/) ⌘ [Read more](https://hackaday.com/2024/08/11/hackaday-links-august-11-2024/) 2024-08-12T02:00:02Z **The First New Long Wave Radio Station Of This Millennium**
![](https://hackaday.com/wp-content/uploads/2024/08/long-wave-featured.jpg?w=800)

The decline of AM broadcast radio is a slow but inexorable process over much of the world, but for regions outside America there’s another parallel story happening a few hundred […read more](https://hackaday.com/2024/08/11/the-first-new-long-wave-radio-station-of-this-millennium/) ⌘ [Read more](https://hackaday.com/2024/08/11/the-first-new-long-wave-radio-station-of-this-millennium/) 2024-08-12T05:00:18Z **2024 Tiny Games Contest: Are You a Good Judge of Time?**
![A single-key macro pad with a screen built into the button.](https://hackaday.com/wp-content/uploads/2024/08/magiclick-800.jpg?w=800)

What can you do with a one-button keyboard? Quite a bit, actually, especially if that key has a little screen on it. That’s the idea behind [Maker M0]’s MagicClick macro […read more](https://hackaday.com/2024/08/11/2024-tiny-games-contest-are-you-a-good-judge-of-time/) ⌘ [Read more](https://hackaday.com/2024/08/11/2024-tiny-games-contest-are-you-a-good-judge-of-time/) 2024-08-12T08:00:29Z **Pi Pico SDR on a Breadboard**
![](https://hackaday.com/wp-content/uploads/2024/08/sdr.png?w=800)

How hard is it to make a fully standalone SDR? [101 Things] shows you how to take a breadboard, a PI Pico, and two unremarkable chips to create a capable […read more](https://hackaday.com/2024/08/12/pi-pico-sdr-on-a-breadboard/) ⌘ [Read more](https://hackaday.com/2024/08/12/pi-pico-sdr-on-a-breadboard/) 2024-08-12T14:00:50Z **Audio On Pi: Here Are Your Options**
![](https://hackaday.com/wp-content/uploads/2024/07/hadimg_pisound_feat_bright_featured.png?w=800)

There are a ton of fun Raspberry Pi and Linux projects that require audio output – music players, talking robots, game consoles and arcades, intelligent assistants, mesh network walkie-talkies, and […read more](https://hackaday.com/2024/08/12/audio-on-pi-here-are-your-options/) ⌘ [Read more](https://hackaday.com/2024/08/12/audio-on-pi-here-are-your-options/) 2024-08-12T18:30:15Z **Prusa Picks Up the Pace with New MK4S Printer**
![](https://hackaday.com/wp-content/uploads/2024/08/mk4s_feat.jpg?w=800)

One of the things you’re paying for when you buy a 3D printer from Prusa Research is, essentially, your next 3D printer. That’s because Prusa’s machines are designed to be […read more](https://hackaday.com/2024/08/12/prusa-picks-up-the-pace-with-new-mk4s-printer/) ⌘ [Read more](https://hackaday.com/2024/08/12/prusa-picks-up-the-pace-with-new-mk4s-printer/) 2024-08-12T20:00:42Z **Can You Hack The RP2350? There’s $10,000 On The Line**
![](https://hackaday.com/wp-content/uploads/2024/08/Screenshot-2024-08-12-174608-e1723449230729.png?w=800)

The Raspberry Pi Foundation had their new RP2350 chip audited by Hextree.io, and now, both companies want to see if you can hack it. Just to prove that they’re serious, […read more](https://hackaday.com/2024/08/12/can-you-hack-the-rp2350-theres-10000-on-the-line/) ⌘ [Read more](https://hackaday.com/2024/08/12/can-you-hack-the-rp2350-theres-10000-on-the-line/) 2024-08-12T23:00:02Z **Globe-Shaped World Clock Is A 3D-Printed Mechanical Marvel**
![](https://hackaday.com/wp-content/uploads/2024/08/I-made-a-world-clock-23-18-screenshot-1.png?w=800)

Time zones are a complicated but necessary evil. Humans like the numbers on the clock to vaguely match up with what the sun is doing in the sky outside. To […read more](https://hackaday.com/2024/08/12/globe-shaped-world-clock-is-a-3d-printed-mechanical-marvel/) ⌘ [Read more](https://hackaday.com/2024/08/12/globe-shaped-world-clock-is-a-3d-printed-mechanical-marvel/) 2024-08-13T02:00:07Z **Hydrogen Generation with Seawater, Aluminum, and… Coffee?**
![](https://hackaday.com/wp-content/uploads/2024/08/Aluminum_ingots.jpg?w=800)

A team at MIT led by [Professor Douglas Hart] has discovered a new, potentially revelatory method for the generation of hydrogen. Using seawater, pure aluminum, and components from coffee grounds, […read more](https://hackaday.com/2024/08/12/hydrogen-generation-with-seawater-aluminum-and-coffee/) ⌘ [Read more](https://hackaday.com/2024/08/12/hydrogen-generation-with-seawater-aluminum-and-coffee/) 2024-08-13T05:00:18Z **A Simple Portable PS4 Build**
![](https://hackaday.com/wp-content/uploads/2024/08/Snapinsta.app_432048655_18407717869064785_3624787428486764827_n_1080-e1723455586470.jpg?w=800)

Building a portable console is hard, right? You have to do lots of wiring, maybe trim a few PCBs, and learn all about the finer points of high-end motherboard design! […read more](https://hackaday.com/2024/08/12/a-simple-portable-ps4-build/) ⌘ [Read more](https://hackaday.com/2024/08/12/a-simple-portable-ps4-build/) 2024-08-13T08:00:22Z **RC Submarine Build Starts with Plenty of Research**
![RC submarine surfaced in a pool](https://hackaday.com/wp-content/uploads/2024/08/feature-V1.jpg?w=800)

[Ben]’s a 15-year-old who loves engineering and loves taking on new challenges. He’s made some cool stuff over the years, but the high water mark (no pun intended) has to […read more](https://hackaday.com/2024/08/13/rc-submarine-build-starts-with-plenty-of-research/) ⌘ [Read more](https://hackaday.com/2024/08/13/rc-submarine-build-starts-with-plenty-of-research/) 2024-08-13T11:00:34Z **DIY Rabbit R1 Clone Could Be Neat With More Hardware**
![](https://hackaday.com/wp-content/uploads/2024/08/maxresdefault-1.jpg?w=800)

The Teenage Engineering badging usually appears on some cool gear that almost always costs a great deal of money. One such example is the Rabbit R1, an AI-powered personal assistant […read more](https://hackaday.com/2024/08/13/diy-rabbit-r1-clone-could-be-neat-with-more-hardware/) ⌘ [Read more](https://hackaday.com/2024/08/13/diy-rabbit-r1-clone-could-be-neat-with-more-hardware/) 2024-08-13T14:00:32Z **The Long, Slow Demise of DVD-RAM**
![](https://hackaday.com/wp-content/uploads/2024/08/20240810_122714_scaled.jpg?w=800)

While CDs were still fighting for market share against cassettes, and gaming consoles were just starting to switch over to CD from cartridge storage, optical media companies were already thinking […read more](https://hackaday.com/2024/08/13/the-long-slow-demise-of-dvd-ram/) ⌘ [Read more](https://hackaday.com/2024/08/13/the-long-slow-demise-of-dvd-ram/) 2024-08-13T15:30:12Z **DIY Gaming Laptop Built Entirely With Desktop Parts**
![](https://hackaday.com/wp-content/uploads/2024/08/My-DIY-gaming-laptop-w_-desktop-parts-is-FINALLY-done-Full-Reveal-11-13-screenshot.png?w=800)

Gaming laptops often tend towards implementing more desktop-like hardware in the pursuit of pure grunt. But what if you were to simply buy desktop hardware yourself, and build your own gaming laptop? That […read more](https://hackaday.com/2024/08/13/diy-gaming-laptop-built-entirely-with-d ... ⌘ [Read more](https://hackaday.com/2024/08/13/diy-gaming-laptop-built-entirely-with-desktop-parts/) 2024-08-13T17:00:14Z **Portable Router Build: Picking Your CPU**
![](https://hackaday.com/wp-content/uploads/2024/08/hadimg_router_cpu_feat.jpg?w=800)

I want to introduce you to a project of mine – a portable router build, and with its help, show you how you can build a purpose-built device. You might […read more](https://hackaday.com/2024/08/13/portable-router-build-picking-your-cpu/) ⌘ [Read more](https://hackaday.com/2024/08/13/portable-router-build-picking-your-cpu/) 2024-08-13T18:30:17Z **Stemfie, The 3D-Printable Construction Set**
![](https://hackaday.com/wp-content/uploads/2024/08/Project_SPS-000004_Toy_Horse_stemfie.org_Photo_002-e1723449917205.webp?w=800)

Construction kit toys are cited by many adults as sparking great creativity and engineering talent in their youth. LEGO, Meccano, K’NEX, Lincoln Logs—these are all great commercial options. But what […read more](https://hackaday.com/2024/08/13/stemfie-the-3d-printable-construction-set/) ⌘ [Read more](https://hackaday.com/2024/08/13/stemfie-the-3d-printable-construction-set/) 2024-08-13T20:00:08Z **Cheap DIY Button Pad Uses Neat Punchcard Trick**
![](https://hackaday.com/wp-content/uploads/2024/08/DIY-Button-Box_-Ultimate-20-StreamDeck-Alternative-4-49-screenshot.png?w=800)

A StreamDeck is effectively a really cool box full of colorful buttons that activate various things on your PC. They’re fun and cool but they’re also something you can build […read more](https://hackaday.com/2024/08/13/cheap-diy-button-pad-uses-neat-punchcard-trick/) ⌘ [Read more](https://hackaday.com/2024/08/13/cheap-diy-button-pad-uses-neat-punchcard-trick/) 2024-08-13T23:00:32Z **From Vehicle-to-Grid to DIY Home Powerwalls**
![Maker [Dala] showing powerwall statistics](https://hackaday.com/wp-content/uploads/2024/08/diy-batteries-800.jpg?w=800)

As battery-to-grid and vehicle-to-home technologies become increasingly mainstream, the potential for repurposing electric vehicle (EV) batteries has grown significantly. No longer just a niche pursuit, using retired EV batteries for […read more](https://hackaday.com/2024/08/13/from-vehicle-to-grid-to-diy-home-powerwalls/) ⌘ [Read more](https://hackaday.com/2024/08/13/from-vehicle-to-grid-to-diy-home-powerwalls/) 2024-08-14T02:00:40Z **Possible Discovery of Liquid Water In Mars’ Mid-Crust by the Insight Lander**
![](https://hackaday.com/wp-content/uploads/2024/03/1200px-PIA17944-MarsCuriosityRover-AfterCrossingDingoGapSanddune-20140209.jpg?w=800)

One of the most sought after substances in the Universe is water – especially in its liquid form – as its presence on a planet makes the presence of life […read more](https://hackaday.com/2024/08/13/possible-discovery-of-liquid-water-in-mars-mid-crust ... ⌘ [Read more](https://hackaday.com/2024/08/13/possible-discovery-of-liquid-water-in-mars-mid-crust-by-the-insight-lander/) 2024-08-14T05:00:03Z **Original Game Boy Gets Display “Upgrade”**
![](https://hackaday.com/wp-content/uploads/2024/08/gb-crt-main.png?w=800)

Before LCD and LED screens were ubiquitous, there was a time when the cathode ray tube (CRT) was essentially the only game in town. Even into the early 2000s, CRTs […read more](https://hackaday.com/2024/08/13/original-game-boy-gets-display-upgrade/) ⌘ [Read more](https://hackaday.com/2024/08/13/original-game-boy-gets-display-upgrade/) 2024-08-14T08:00:49Z **Ryobi Battery Pack Gives Up Its Secrets Before Giving Up the Ghost**
![](https://hackaday.com/wp-content/uploads/2024/08/ryobi-bms-featured.jpg?w=800)

Remember when dead batteries were something you’d just toss in the trash? Those days are long gone, thankfully, and rechargeable battery packs have put powerful cordless tools in the palms […read more](https://hackaday.com/2024/08/14/ryobi-battery-pack-gives-up-its-secrets-before-giving-up-the-ghost/) ⌘ [Read more](https://hackaday.com/2024/08/14/ryobi-battery-pack-gives-up-its-secrets-before-giving-up-the-ghost/) 2024-08-14T11:00:55Z **Whacky Science: Using Mayonnaise to Study Rayleigh-Taylor Instability**
![](https://hackaday.com/wp-content/uploads/2022/12/LaserFusion.jpg?w=800)

Sometimes a paper in a scientific journal pops up that makes you do a triple-take, case in point being a recent paper by [Aren Boyaci] and [Arindam Banerjee] in Physical […read more](https://hackaday.com/2024/08/14/whacky-science-using-mayonnaise-to-study-rayleigh-taylor-instability/) ⌘ [Read more](https://hackaday.com/2024/08/14/whacky-science-using-mayonnaise-to-study-rayleigh-taylor-instability/) 2024-08-14T14:00:01Z **Laser Cutters: Where’s the Point?**
![](https://hackaday.com/wp-content/uploads/2024/08/laser1_featured.png?w=800)

It is funny how when you first start doing something, you have so many misconceptions that you have to discard. When you look back on it, it always seems like […read more](https://hackaday.com/2024/08/14/laser-cutters-wheres-the-point/) ⌘ [Read more](https://hackaday.com/2024/08/14/laser-cutters-wheres-the-point/) 2024-08-14T15:30:46Z **A Really Low Level Guide To Doing Ethernet on an FPGA**
![](https://hackaday.com/wp-content/uploads/2024/08/How-To-Do-Ethernet-in-FPGA-Easy-Tutorial-1-24-screenshot.png?w=800)

With so much of our day-to-day networking done wirelessly these days, it can be easy to forget about Ethernet. But it’s a useful standard and can be a great way […read more](https://hackaday.com/2024/08/14/a-really-low-level-guide-to-doing-ethernet-on-an-fpga/) ⌘ [Read more](https://hackaday.com/2024/08/14/a-really-low-level-guide-to-doing-ethernet-on-an-fpga/) 2024-08-14T17:00:09Z **Hacker Tactic: Pimp Your Probes**
![](https://hackaday.com/wp-content/uploads/2024/04/PCBdesign.jpg?w=800)

Is your multimeter one of your trusty friends when building up boards, repairing broken gadgets, and reverse-engineering proprietary ones? Is it accompanied by a logic analyzer or an oscilloscope at […read more](https://hackaday.com/2024/08/14/hacker-tactic-pimp-your-probes/) ⌘ [Read more](https://hackaday.com/2024/08/14/hacker-tactic-pimp-your-probes/) 2024-08-14T18:30:23Z **FLOSS Weekly Episode 796: Homebrew, I’m More of a Whopper Guy**
![](https://hackaday.com/wp-content/uploads/2021/06/Pipewire.jpg?w=800)

This week Jonathan Bennett and David Ruggles chat with John Britton and Mike McQuaid about Homebrew! That’s the missing package manager for macOS; and Workbrew, the commercial offering built on […read more](https://hackaday.com/2024/08/14/floss-weekly-episode-796-homebrew-im-more-of-a-whopper-guy/) ⌘ [Read more](https://hackaday.com/2024/08/14/floss-weekly-episode-796-homebrew-im-more-of-a-whopper-guy/) 2024-08-14T20:00:00Z **Handheld Oscilloscope Meter Reviewed**
![](https://hackaday.com/wp-content/uploads/2024/08/zt.png?w=800)

We live in a time where there’s virtually no excuse not to have some kind of oscilloscope. As [IMSAI Guy] shows in a recent video, for what you might expect […read more](https://hackaday.com/2024/08/14/handheld-oscilloscope-meter-reviewed/) ⌘ [Read more](https://hackaday.com/2024/08/14/handheld-oscilloscope-meter-reviewed/) 2024-08-14T23:00:01Z **Handsome Sim Racing Button Box Is A Super Easy Build**
![](https://hackaday.com/wp-content/uploads/2024/08/DIY-Sim-Racing-Button-Box-_-Cheap-and-Simple-0-8-screenshot.png?w=800)

Sim racing is a lot more complex than playing Need For Speed 3: Hot Pursuit. You need buttons for all kinds of stuff, from headlights to brake balance to traction control. If […read more](https://hackaday.com/2024/08/14/handsome-sim-racing-button-box-is-a-super-easy-build/) ⌘ [Read more](https://hackaday.com/2024/08/14/handsome-sim-racing-button-box-is-a-super-easy-build/) 2024-08-15T02:00:20Z **Entangled Photons Maintained Using Existing Fiber Under NYC’s Streets**
![The experimental setup for entanglement-distribution experiments. (Credit: Craddock et al., PRX Quantum, 2024)](https://hackaday.com/wp-content/uploads/2024/08/photon_entanglement_experimental_setup_Craddock_et_al_prx_quantum_2024.jpg?w=800)

Entangled photons are an ideal choice for large-scale networks employing quantum encryption or similar, as photons can use fiber-optical cables to transmit ... ⌘ [Read more](https://hackaday.com/2024/08/14/entangled-photons-maintained-using-existing-fiber-under-nycs-streets/) 2024-08-15T05:00:59Z **Autonomous Boat Plots Lake Beds**
![](https://hackaday.com/wp-content/uploads/2024/08/autonomous-boat-main.jpg?w=800)

Although the types of drones currently dominating headlines tend to be airborne, whether it’s hobbyist quadcopters, autonomous delivery vehicles, or military craft, autonomous vehicles can take nearly any transportation method […read more](https://hackaday.com/2024/08/14/autonomous-boat-plots-lake-beds/) ⌘ [Read more](https://hackaday.com/2024/08/14/autonomous-boat-plots-lake-beds/) 2024-08-15T08:00:35Z **Unusual Tool Gets an Unusual Repair**
![](https://hackaday.com/wp-content/uploads/2024/08/gear_plate.jpg?w=800)

In today’s value-engineered world, getting a decade of service out of a cordless tool is pretty impressive. By that point you’ve probably gotten your original investment back, and if the […read more](https://hackaday.com/2024/08/15/unusual-tool-gets-an-unusual-repair/) ⌘ [Read more](https://hackaday.com/2024/08/15/unusual-tool-gets-an-unusual-repair/) 2024-08-15T11:00:35Z **Help The LEGO Camera Become a Reality**
![](https://hackaday.com/wp-content/uploads/2023/03/leg0-camera-featured.jpg?w=800)

Some time over a year ago, we told you about a camera. Not just any camera, but a fully-functional 35mm film camera made entirely of LEGO, and with a pleasingly […read more](https://hackaday.com/2024/08/15/help-the-lego-camera-become-a-reality/) ⌘ [Read more](https://hackaday.com/2024/08/15/help-the-lego-camera-become-a-reality/) 2024-08-15T14:00:03Z **Austraila’s Controlled Loads Are In Hot Water**
![](https://hackaday.com/wp-content/uploads/2019/12/Hornsdale.jpg?w=800)

Australian grids have long run a two-tiered pricing scheme for electricity. In many jurisdictions, regular electricity was charged at a certain rate. Meanwhile, you could get cheaper electricity for certain […read more](https://hackaday.com/2024/08/15/austrailas-controlled-loads-are-in-hot-water/) ⌘ [Read more](https://hackaday.com/2024/08/15/austrailas-controlled-loads-are-in-hot-water/) 2024-08-15T16:00:00Z **Open Source Residential Energy Storage**
![An L-shaped orange mounting structure with two white reservoirs on top, a set of pumps on the outer bottom edges, and a membrane cell bolted together in the center. The parts are connected by a series of transparent tubes.](https://hackaday.com/wp-content/uploads/2024/08/paste-2-1024w.webp?w=800)

Battery news typically covers the latest, greatest laboratory or industry breakthroughs to push modern devices further and faster. Could you build your own flow ... ⌘ [Read more](https://hackaday.com/2024/08/15/open-source-residential-energy-storage/) 2024-08-15T18:00:00Z **Edge-Lit, Thin LCD TVs Are Having Early Heat Death Issues**
![](https://hackaday.com/wp-content/uploads/2024/08/edge_vs_direct-lit_tv_thermal_comparison_rtings.jpg?w=800)

Canadian consumer goods testing site RTINGS has been subjecting 100 TVs to an accelerated TV longevity test, subjecting them so far to over 10,000 hours of on-time, equaling about six […read more](https://hackaday.com/2024/08/15/edge-lit-thin-lcd-tvs-are-having-early-heat-death-issues/) ⌘ [Read more](https://hackaday.com/2024/08/15/edge-lit-thin-lcd-tvs-are-having-early-heat-death-issues/) 2024-08-15T20:00:24Z **The Sunchronizer Keeps Your Solar Panel Aligned**
![](https://hackaday.com/wp-content/uploads/2024/08/sunchronizer-main.jpg?w=800)

In the past few years, the price-per-watt for solar panels has dropped dramatically. This has led to a number of downstream effects beyond simple cost savings. For example, many commercial […read more](https://hackaday.com/2024/08/15/the-sunchronizer-keeps-your-solar-panel-aligned/) ⌘ [Read more](https://hackaday.com/2024/08/15/the-sunchronizer-keeps-your-solar-panel-aligned/) 2024-08-16T02:00:57Z **Make a Catch With a 3D Printed Rod**
![](https://hackaday.com/wp-content/uploads/2024/08/tiny-rod-featured.jpg?w=800)

When we think of fishing rods, the image brought to mind is one of a tweed-clad fisherman in his waders in a wild salmon stream, his line whipping about as […read more](https://hackaday.com/2024/08/15/make-a-catch-with-a-3d-printed-rod/) ⌘ [Read more](https://hackaday.com/2024/08/15/make-a-catch-with-a-3d-printed-rod/) 2024-08-16T05:00:07Z **UC Berkeley Prints Glass Nanoparticles**
![](https://hackaday.com/wp-content/uploads/2024/08/glass.png?w=800)

In a recent video, [Joel] of 3D Printing Nerd interviews a researcher at University of California, Berkeley about their work with glass 3D printing technology. A resin is impregnated with […read more](https://hackaday.com/2024/08/15/uc-berkeley-prints-glass-nanoparticles/) ⌘ [Read more](https://hackaday.com/2024/08/15/uc-berkeley-prints-glass-nanoparticles/) 2024-08-16T08:00:00Z **Robust Speech-to-Text, Running Locally on Quest VR Headset**
![](https://hackaday.com/wp-content/uploads/2023/10/Sine-wave-speech-header.jpeg?w=800)

[saurabhchalke] recently released whisper.unity, a Unity package that implements whisper locally on the Meta Quest 3 VR headset, bringing nearly real-time transcription of natural speech to the device in an […read more](https://hackaday.com/2024/08/16/robust-speech-to-text-running-locally-on-quest-vr-headset/) ⌘ [Read more](https://hackaday.com/2024/08/16/robust-speech-to-text-running-locally-on-quest-vr-headset/) 2024-08-16T11:00:40Z **Rebuilding The First Digital Personal Computer**
![](https://hackaday.com/wp-content/uploads/2024/08/kenbak-main.png?w=800)

When thinking of the first PCs, most of us might imagine something like the Apple I or the TRS-80. But even before that, there were a set of computers that […read more](https://hackaday.com/2024/08/16/rebuilding-the-first-digital-personal-computer/) ⌘ [Read more](https://hackaday.com/2024/08/16/rebuilding-the-first-digital-personal-computer/) 2024-08-16T14:00:28Z **A Modern Take on an Old Language**
![](https://hackaday.com/wp-content/uploads/2024/08/bqagw8jbta751.jpg?w=800)

Some old computer languages are destined to never die. They do, however, evolve. For example, Fortran, among the oldest of computer languages, still has adherents, not to mention a ton […read more](https://hackaday.com/2024/08/16/a-modern-take-on-an-old-language/) ⌘ [Read more](https://hackaday.com/2024/08/16/a-modern-take-on-an-old-language/) 2024-08-16T15:00:00Z **Lunar Lander Game Asks You to Write a Simple Autopilot**
![](https://hackaday.com/wp-content/uploads/2024/08/Lunar-lander.avif?w=551)

Everyone likes a good lunar landing simulator, and [Dominic Doty] wrote a fun take on the idea: your goal is to write an autopilot controller to manage the landing. Try […read more](https://hackaday.com/2024/08/16/lunar-lander-game-asks-you-to-write-a-simple-autopilot/) ⌘ [Read more](https://hackaday.com/2024/08/16/lunar-lander-game-asks-you-to-write-a-simple-autopilot/) 2024-08-16T16:00:43Z **Hackaday Podcast Episode 284: Laser Fault Injection, Console Hacks, and Too Much Audio**
![](https://hackaday.com/wp-content/uploads/2016/05/microphone.jpg?w=800)

The summer doldrums are here, but that doesn’t mean that Elliot and Dan couldn’t sift through the week’s hack and find the real gems. It was an audio-rich week, with […read more](https://hackaday.com/2024/08/16/hackaday-podcast-episode-284-laser-fault-injection-console-hacks-and-too-much-audio ... ⌘ [Read more](https://hackaday.com/2024/08/16/hackaday-podcast-episode-284-laser-fault-injection-console-hacks-and-too-much-audio/) 2024-08-16T17:00:49Z **This Week in Security: Three Billion SS Numbers, IPv6 RCE, and Ring -2**
![](https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800)

You may have heard about a very large data breach, exposing the Social Security numbers of three billion individuals. Now hang on. Social Security numbers are a particularly American data […read more](https://hackaday.com/2024/08/16/this-week-in-security-three-billion-ss-numbers-ipv6-rce-and-ring-2/) ⌘ [Read more](https://hackaday.com/2024/08/16/this-week-in-security-three-billion-ss-numbers-ipv6-rce-and-ring-2/) 2024-08-16T18:30:25Z **2024 Tiny Games Contest: Salsa One Handheld Requires No PCB**
![Three different views of a tiny games console with a screen and a single button. It's assembled in the first picture, and the guts are shown in the second two pictures.](https://hackaday.com/wp-content/uploads/2024/08/salsa-one-800.png?w=800)

If you’re thinking about building a single tiny game or even a platform, you might be tempted to use a single button for everything. Such is the case with [Alex]’s […read more ... ⌘ [Read more](https://hackaday.com/2024/08/16/2024-tiny-games-contest-salsa-one-handheld-requires-no-pcb/) 2024-08-16T20:00:45Z **Fighting the Scourge of “Screwdriver Mange”**
![](https://hackaday.com/wp-content/uploads/2024/08/mange.png?w=800)

We’ve all got our favorite hand tools, and while the selection criteria are usually pretty subjective, it usually boils down to a combination of looks and feel. In our opinion, […read more](https://hackaday.com/2024/08/16/fighting-the-scourge-of-screwdriver-mange/) ⌘ [Read more](https://hackaday.com/2024/08/16/fighting-the-scourge-of-screwdriver-mange/) 2024-08-16T23:00:10Z **Roll Your Own Presence Sensor**
![](https://hackaday.com/wp-content/uploads/2024/08/mmwave.png?w=800)

[Mellow\_Labs] wanted an Everything Presence Lite kite but found it was always out of stock. Therefore, he decided to create his own. The kit uses a millimeter wave sensor as […read more](https://hackaday.com/2024/08/16/roll-your-own-presence-sensor/) ⌘ [Read more](https://hackaday.com/2024/08/16/roll-your-own-presence-sensor/) 2024-08-17T02:00:53Z **Canadarm2 Scores Milestone With Catching Its 50th Spacecraft**
![Canadarm2 captures Cygnus OA-5 S.S. Alan Poindexter in late 2016 (Credit: NASA)](https://hackaday.com/wp-content/uploads/2024/08/Cygnus_7_captured_by_Canadarm2.jpg?w=800)

Recently Canada’s Canadarm2 caught its 50th spacecraft in the form of a Northrop Grumman Cygnus cargo vessel since 2009. Although perhaps not the most prominent part of the International Space […read more](https://hackaday.com/2024/08/16/canada ... ⌘ [Read more](https://hackaday.com/2024/08/16/canadarm2-scores-milestone-with-catching-its-50th-spacecraft/) 2024-08-17T05:00:11Z **A USA Feature for a Europe-Market Sony Receiver**
![](https://hackaday.com/wp-content/uploads/2024/08/rj-45-featured.jpg?w=800)

A feature of many modern network-connected entertainment devices is that they will play streamed music while on standby mode. This so-called “network standby”is very useful if you fancy some gentle […read more](https://hackaday.com/2024/08/16/a-usa-feature-for-a-europe-market-sony-receiver/) ⌘ [Read more](https://hackaday.com/2024/08/16/a-usa-feature-for-a-europe-market-sony-receiver/) 2024-08-17T08:00:21Z **Laser Art Inspired by the Ford Motor Company**
![](https://hackaday.com/wp-content/uploads/2024/08/star.png?w=800)

Have you ever heard of Fordite? It was a man-made agate-like stone that originated from the Ford auto factories in the 1920s. Multiple layers of paint would build up as […read more](https://hackaday.com/2024/08/17/laser-art-inspired-by-the-ford-motor-company/) ⌘ [Read more](https://hackaday.com/2024/08/17/laser-art-inspired-by-the-ford-motor-company/) 2024-08-17T11:00:51Z **The First Air Force One and How it Was Nearly Lost Forever**
![For years, the first Air Force One sat neglected and forgotten in an open field at Arizona’s Marana Regional Airport. (Credit: Dynamic Aviation)](https://hackaday.com/wp-content/uploads/2024/08/c5c506b58740c6ebda_air-force-one-1978-neglected-plane.png?w=800)

Although the designation ‘Air Force One’ is now commonly known to refer to the airplane used by the President of the United States, it wasn’t until Eisenhower t ... ⌘ [Read more](https://hackaday.com/2024/08/17/the-first-air-force-one-and-how-it-was-nearly-lost-forever/) 2024-08-17T14:00:12Z **Your Data in the Cloud**
![](https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800)

I try not to go off on security rants in the newsletter, but this week I’m unable to hold back. An apparent breach of a data aggregator has resulted in […read more](https://hackaday.com/2024/08/17/your-data-in-the-cloud/) ⌘ [Read more](https://hackaday.com/2024/08/17/your-data-in-the-cloud/) 2024-08-17T17:00:00Z **2024 Tiny Games Challenge: It’s 2048, But with LEDs**
![A small physical version of the game 2048, played with LEDs as numbers and tilt for input.](https://hackaday.com/wp-content/uploads/2024/08/2048-800.jpeg?w=800)

Remember the game 2048? You slide numbered tiles around on a grid, combining them until you have one tile with a value of 2048 (although it’s possible to go higher). […read more](https://hackaday.com/2024/08/17/2024-tiny-games-challenge-its-2048-but-with-leds/) ⌘ [Read more](https://hackaday.com/2024/08/17/2024-tiny-games-challenge-its-2048-but-with-leds/) 2024-08-17T20:00:37Z **Olympic Sprint Decided By 40,000 FPS Photo Finish**
![40,000 FPS Omega camera captures Olympic photo-finish](https://hackaday.com/wp-content/uploads/2024/08/40000fpscamera-800.jpg?w=800)

Advanced technology played a crucial role in determining the winner of the men’s 100-meter final at the Paris 2024 Olympics. In a historically close race, American sprinter Noah Lyles narrowly […read more](https://hackaday.com/2024/08/17/olympic-sprint-decided-by-40000-fps-photo-finish/) ⌘ [Read more](https://hackaday.com/2024/08/17/olympic-sprint-decided-by-40000-fps-photo-finish/) 2024-08-17T23:00:32Z **Spy Tech: Making Microdots**
![](https://hackaday.com/wp-content/uploads/2024/08/dot.png?w=800)

It isn’t just a spy movie trope: secret messages often show up as microdots. [The Thought Emporium] explores the history of microdots and even made a few, which turned out […read more](https://hackaday.com/2024/08/17/spy-tech-making-microdots/) ⌘ [Read more](https://hackaday.com/2024/08/17/spy-tech-making-microdots/) 2024-08-18T02:00:35Z **Retrotechtacular: Powerline Sagging and Stringing in the 1950s**
![](https://hackaday.com/wp-content/uploads/2024/08/sagging_stringing.png?w=800)

While high-voltage transmission lines are probably the most visible components of the electrical grid, they’re certainly among the least appreciated. They go largely unnoticed by the general public — quick, […read more](https://hackaday.com/2024/08/17/retrotechtacular-powerline-sagging-and-stringing-in-the-1950s/) ⌘ [Read more](https://hackaday.com/2024/08/17/retrotechtacular-powerline-sagging-and-stringing-in-the-1950s/) 2024-08-18T05:00:45Z **Simple 3D-Printed Table Loom for Complex Weavings**
![A 3D-printed 8-Shaft Table Loom](https://hackaday.com/wp-content/uploads/2024/08/3dtableloom-800.jpg?w=800)

The loom has been a transformative invention throughout history, shaping the textile industry from simple hand looms to complex, fully automated machines. Now, thanks to advancements in 3D printing, this […read more](https://hackaday.com/2024/08/17/simple-3d-printed-table-loom-for-complex-weavings/) ⌘ [Read more](https://hackaday.com/2024/08/17/simple-3d-printed-table-loom-for-complex-weavings/) 2024-08-18T08:00:51Z **Categorizing Steel**
![](https://hackaday.com/wp-content/uploads/2024/08/steel.png?w=800)

In the movie Conan the Barbarian, we hear a great deal about “the riddle of steel.” We are never told exactly what that riddle is, but in modern times, it […read more](https://hackaday.com/2024/08/18/categorizing-steel/) ⌘ [Read more](https://hackaday.com/2024/08/18/categorizing-steel/) 2024-08-18T11:00:44Z **Reverse-Engineering the AMD Secure Processor Inside the CPU**
![](https://hackaday.com/wp-content/uploads/2024/08/DqioI3d.png?w=800)

On an x86 system the BIOS is the first part of the system to become active along with the basic CPU core(s) functionality, or so things used to be until […read more](https://hackaday.com/2024/08/18/reverse-engineering-the-amd-secure-processor-inside-the-cpu/) ⌘ [Read more](https://hackaday.com/2024/08/18/reverse-engineering-the-amd-secure-processor-inside-the-cpu/) 2024-08-18T14:00:30Z **Meta Doesn’t Allow Camera Access on VR Headsets, So Here’s a Workaround**
![](https://hackaday.com/wp-content/uploads/2024/08/Quest3-object-detection-glass-wide.png.png?w=800)

The cameras at the front of Meta’s Quest VR headsets are off-limits to developers, but developer [Michael Gschwandtner] created a workaround (Linkedin post) and shared implementation details with a VR […read more](https://hackaday.com/2024/08/18/meta-doesnt-allow-camera-access-on-vr-headsets-so- ... ⌘ [Read more](https://hackaday.com/2024/08/18/meta-doesnt-allow-camera-access-on-vr-headsets-so-heres-a-workaround/) 2024-08-18T20:00:49Z **2024 Tiny Games Contest: Coming At Ya with Zero-Dimensional PONG**
![Zero-dimensional PONG game built on a perfboard.](https://hackaday.com/wp-content/uploads/2024/08/zero-D-PONG-800.jpeg?w=800)

A decade is a long time to carry around a project idea in your head. Fortunately, the Tiny Games Contest happens to coincide with [senily64dx]’s getting back into ATMega programming, […read more](https://hackaday.com/2024/08/18/2024-tiny-games-contest-coming-at-ya-with-zero-dimensi ... ⌘ [Read more](https://hackaday.com/2024/08/18/2024-tiny-games-contest-coming-at-ya-with-zero-dimensional-pong/) 2024-08-18T23:00:38Z **Hackaday Links: August 18, 2024**
![Hackaday Links Column Banner](https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800)

They’re back! The San Francisco autonomous vehicle hijinks, that is, as Waymo’s fleet of driverless cars recently took up the fun new hobby of honking their horns in the wee […read more](https://hackaday.com/2024/08/18/hackaday-links-august-18-2024/) ⌘ [Read more](https://hackaday.com/2024/08/18/hackaday-links-august-18-2024/) 2024-08-19T02:00:02Z **Quantum Sensor Uses Synthetic Diamond**
![](https://hackaday.com/wp-content/uploads/2024/08/diamond.png?w=800)

Diamonds are nearly perfect crystals, but not totally perfect. The defects in these crystals give the stones their characteristic colors. But one type of defect, the NV — nitrogen-vacancy — […read more](https://hackaday.com/2024/08/18/quantum-sensor-uses-synthetic-diamond/) ⌘ [Read more](https://hackaday.com/2024/08/18/quantum-sensor-uses-synthetic-diamond/) 2024-08-19T05:00:49Z **Machining Copper from Algaecide**
![](https://hackaday.com/wp-content/uploads/2024/08/cu.png?w=800)

We love it when we find someone on the Internet who has the exact same problem we do and then solves it. [Hyperspace Pirate] starts a recent video by saying, […read more](https://hackaday.com/2024/08/18/machining-copper-from-algaecide/) ⌘ [Read more](https://hackaday.com/2024/08/18/machining-copper-from-algaecide/) 2024-08-19T08:00:38Z **An Open Source 6kW GaN Motor Controller**
![](https://hackaday.com/wp-content/uploads/2024/08/RenderBack-featured.png?w=800)

We don’t know how you feel when designing hardware, but we get uncomfortable at the extremes. High voltage or current, low noise figures, or extreme frequencies make us nervous.  [Orion […read more](https://hackaday.com/2024/08/19/an-open-source-6kw-gan-motor-controller/) ⌘ [Read more](https://hackaday.com/2024/08/19/an-open-source-6kw-gan-motor-controller/) 2024-08-19T11:00:59Z **Building a Paper Tape Reader To Read Bytes**
![](https://hackaday.com/wp-content/uploads/2024/08/photodiode_breadboarded_paper_tape_reader_poc.jpg?w=800)

Over at the [Usagi Electric] farm, [David Lovett]’s custom 1-bit, vacuum tube-based computer (UEVTC for short) has been coming along well the past years, matching and exceeding the Motorola MC14500B […read more](https://hackaday.com/2024/08/19/building-a-paper-tape-reader-to-read-bytes/) ⌘ [Read more](https://hackaday.com/2024/08/19/building-a-paper-tape-reader-to-read-bytes/) 2024-08-19T14:00:47Z **This Is Not a Laptop, It’s a KVM Combo**
![](https://hackaday.com/wp-content/uploads/2024/08/CrowView-note-Wide.png?w=800)

A spare monitor and keyboard are handy things to have around, but they’re a bit of a hassle. They are useful for hardware development, plugging in to headless servers, or […read more](https://hackaday.com/2024/08/19/this-is-not-a-laptop-its-a-kvm-combo/) ⌘ [Read more](https://hackaday.com/2024/08/19/this-is-not-a-laptop-its-a-kvm-combo/) 2024-08-19T15:30:14Z **Get More Freedom With This Guitar Pedal**
![](https://hackaday.com/wp-content/uploads/2024/08/pedal-main.png?w=800)

When the electric guitar was first produced in the 1930s, there was some skepticism among musicians as to whether or not this instrument would have lasting impact or be a […read more](https://hackaday.com/2024/08/19/get-more-freedom-with-this-guitar-pedal/) ⌘ [Read more](https://hackaday.com/2024/08/19/get-more-freedom-with-this-guitar-pedal/) 2024-08-19T17:00:42Z **Portable Router Build: Finding An LTE Modem**
![](https://hackaday.com/wp-content/uploads/2024/08/hadimg_router_cpu_feat.jpg?w=800)

Ever want your project equipped with a cellular interface for a data uplink? Hop in, I have been hacking on this for a fair bit! As you might remember, I’m […read more](https://hackaday.com/2024/08/19/portable-router-build-finding-an-lte-modem/) ⌘ [Read more](https://hackaday.com/2024/08/19/portable-router-build-finding-an-lte-modem/) 2024-08-19T18:00:36Z **Historical Microsoft and Apple Artifacts Among First Christie’s Auction of Living Computers Museum**
![](https://hackaday.com/wp-content/uploads/2024/06/Living_Computer_Museum_pano_01.jpg?w=800)

Recently the Christie’s auction house released the list of items that would be going up for sale as part of the first lot of Living Computer Museum items, under the […read more](https://hackaday.com/2024/08/19/historical-microsoft-and-apple-artifac ... ⌘ [Read more](https://hackaday.com/2024/08/19/historical-microsoft-and-apple-artifacts-among-first-christies-auction-of-living-computers-museum/) 2024-08-19T20:00:41Z **Cost-Optimized Raspberry Pi 5 Released With 2 GB RAM and D0 Stepping**
![](https://hackaday.com/wp-content/uploads/2024/08/Pi-5-2GB-social-no-text-800x600-1.jpg?w=800)

When the Raspberry Pi 5 SBC was released last year, it came in 4 and 8 GB RAM variants, which currently retail from around $80 USD and €90 for the […read more](https://hackaday.com/2024/08/19/cost-optimized-raspberry-pi-5-released-with-2-gb-ram-and-d0-stepping/) ⌘ [Read more](https://hackaday.com/2024/08/19/cost-optimized-raspberry-pi-5-released-with-2-gb-ram-and-d0-stepping/) 2024-08-19T23:00:09Z **A Trackball Retro Laptop**
![A very wide beige laptop sits on a wooden table. A hand manipulates a teal ball in a semicircle attached to the right sided of the device. The track ball and hand are outlined in white.](https://hackaday.com/wp-content/uploads/2024/08/Track-Ball-Retro-Computer.jpg?w=800)

While track pads and mice dominate the pointing device landscape today, there was a time when track balls were a major part of the scene. In order to really sell […read more](https://hackaday.com/2024/08/19/a-trackb ... ⌘ [Read more](https://hackaday.com/2024/08/19/a-trackball-retro-laptop/) 2024-08-20T02:00:24Z **Amiga, Interrupted: A Fresh Take On Amiga OS**
![An Amiga 2000 on a carpet floor](https://hackaday.com/wp-content/uploads/2024/08/amiga.jpg?w=800)

Serena OS is not just another operating system—it’s a playground for hackers, tinkerers, and Amiga enthusiasts pushing vintage hardware to new limits. Born from modern design principles and featuring pervasive […read more](https://hackaday.com/2024/08/19/amiga-interrupted-a-fresh-take-on-amiga-os/) ⌘ [Read more](https://hackaday.com/2024/08/19/amiga-interrupted-a-fresh-take-on-amiga-os/) 2024-08-20T05:00:57Z **2024 Tiny Games Contest: Save the Stranded Puppies of Moon Base P!**
![A Lunar Lander-meets-Flappy-Bird game where you must rescue puppies from a Moon base, on an OLED display.](https://hackaday.com/wp-content/uploads/2024/08/puppies-800.jpeg?w=800)

Usually, if something is tiny, it’s probably pretty cute to boot. [Luke J. Barker]’s lunar navigation game is no exception to this unwritten rule. And as far as contest rules […read more](https://hackaday.com/2024/08/19/2024-t ... ⌘ [Read more](https://hackaday.com/2024/08/19/2024-tiny-games-contest-save-the-stranded-puppies-of-moon-base-p/) 2024-08-20T08:00:57Z **Close-Up On The RP2350 HSTX Peripheral**
![](https://hackaday.com/wp-content/uploads/2024/08/pico2_1.webp?w=800)

The new Raspberry Pi Pico 2 with its RP2350 microcontroller has only been with us for a short time, and thus its capabilities are still being tested. One of the […read more](https://hackaday.com/2024/08/20/close-up-on-the-rp2350-hstx-peripheral/) ⌘ [Read more](https://hackaday.com/2024/08/20/close-up-on-the-rp2350-hstx-peripheral/) 2024-08-20T11:00:36Z **Learning How a Nuclear Missile Stays on Target**
![](https://hackaday.com/wp-content/uploads/2024/08/cpu.png?w=800)

In 1962, unlike today, most things didn’t have computers in them. After all, the typical computer of the day was a fragile room-sized box that required a gaggle of high […read more](https://hackaday.com/2024/08/20/learning-how-a-nuclear-missile-stays-on-target/) ⌘ [Read more](https://hackaday.com/2024/08/20/learning-how-a-nuclear-missile-stays-on-target/) 2024-08-20T14:00:31Z **Australia Didn’t Invent WiFi, Despite What You’ve Heard**
![](https://hackaday.com/wp-content/uploads/2024/08/WifiAustralia.jpg?w=800)

Wireless networking is all-pervasive in our modern lives. Wi-Fi technology lives in our smartphones, our laptops, and even our watches. Internet is available to be plucked out of the air […read more](https://hackaday.com/2024/08/20/australia-didnt-invent-wifi-despite-what-youve-heard/) ⌘ [Read more](https://hackaday.com/2024/08/20/australia-didnt-invent-wifi-despite-what-youve-heard/) 2024-08-20T15:30:38Z **Open Source Liquid Rocket Reaches for the Sky**
![](https://hackaday.com/wp-content/uploads/2024/08/sphinx_feat.jpg?w=800)

Since the very beginning, solid-propellants have been the cornerstone of amateur rocketry. From the little Estes rocket picked up from the toy store, to vehicles like the University of Southern […read more](https://hackaday.com/2024/08/20/open-source-liquid-rocket-reaches-for-the-sky/) ⌘ [Read more](https://hackaday.com/2024/08/20/open-source-liquid-rocket-reaches-for-the-sky/) 2024-08-20T18:30:14Z **Remapping HID for Fun and… Well Fun**
![](https://hackaday.com/wp-content/uploads/2024/08/hid.png?w=800)

If you want to remap some mouse or keyboard keys, and you use Linux, it is easy. If you use Windows or another operating system, you can probably do that […read more](https://hackaday.com/2024/08/20/remapping-hid-for-fun-and-well-fun/) ⌘ [Read more](https://hackaday.com/2024/08/20/remapping-hid-for-fun-and-well-fun/) 2024-08-20T20:00:40Z **Pulling Hydrogen out of the Water**
![](https://hackaday.com/wp-content/uploads/2024/08/h2.png?w=800)

In theory, water and electric current will cause electrolysis and produce oxygen and hydrogen as the water breaks apart. In practice, doing it well can be tricky. [Relic] shows an […read more](https://hackaday.com/2024/08/20/pulling-hydrogen-out-of-the-water/) ⌘ [Read more](https://hackaday.com/2024/08/20/pulling-hydrogen-out-of-the-water/) 2024-08-20T23:00:25Z **Are You Using Your Calipers Wrong?**
![](https://hackaday.com/wp-content/uploads/2024/08/calip.png?w=800)

It used to be that calipers were not a common item to have in an electronics lab. However, smaller parts, the widespread use of 3D printers and machining tools, and […read more](https://hackaday.com/2024/08/20/are-you-using-your-calipers-wrong/) ⌘ [Read more](https://hackaday.com/2024/08/20/are-you-using-your-calipers-wrong/) 2024-08-21T02:00:02Z **WOW! It Wasn’t Aliens After All!**
![](https://hackaday.com/wp-content/uploads/2024/08/wow-signal-featured.jpg?w=800)

There may not be many radio astronomy printouts that have achieved universal fame, but the one from Ohio State University’s Big Ear telescope upon which astronomer [Jerry R. Ehman] wrote […read more](https://hackaday.com/2024/08/20/wow-it-wasnt-aliens-after-all/) ⌘ [Read more](https://hackaday.com/2024/08/20/wow-it-wasnt-aliens-after-all/) 2024-08-21T05:00:56Z **Does Solar Energy Make Us Vulnerable?**
![](https://hackaday.com/wp-content/uploads/2024/08/solar.png?w=800)

Here’s a hypothetical situation. You decide to build your own steam generator plant and connect it to the electric grid. No matter where you live, you’d probably have to meet […read more](https://hackaday.com/2024/08/20/does-solar-energy-make-us-vulnerable/) ⌘ [Read more](https://hackaday.com/2024/08/20/does-solar-energy-make-us-vulnerable/) 2024-08-21T08:00:05Z **Pulling Apart a Premium WebCam**
![](https://hackaday.com/wp-content/uploads/2024/08/cam_a78b6b.png?w=800)

Over at EDN, [Brian Dipert] has been tearing down web cameras. A few months ago, he broke into a bargain basement camera. This time, he’s looking into a premium unit. […read more](https://hackaday.com/2024/08/21/pulling-apart-a-premium-webcam/) ⌘ [Read more](https://hackaday.com/2024/08/21/pulling-apart-a-premium-webcam/) 2024-08-21T11:00:00Z **How Jurassic Park’s Dinosaur Input Device Bridged the Stop-Motion and CGI Worlds**
![Raptor DID. Photo by Matt Mechtley.](https://hackaday.com/wp-content/uploads/2024/08/1d24d-dinosaur_input_device_velociraptor.jpg?w=800)

In a double-blast from the past, [Ian Failes]’ 2018 interview with [Phil Tippett] and others who worked on Jurassic Park is a great look at how the dinosaurs in this 1993 […read more](https://hackaday.com/2024/08/21/how-jurassic-parks-dino ... ⌘ [Read more](https://hackaday.com/2024/08/21/how-jurassic-parks-dinosaur-input-device-bridged-the-stop-motion-and-cgi-worlds/) 2024-08-21T14:00:56Z **Ask Hackaday: How Can We Leverage Tech for Education?**
![](https://hackaday.com/wp-content/uploads/2015/10/eggdrop.jpg?w=800)

If you’re like us, you’ve studied the mathematician [Euler], but all you really remember is that you pronounce his name like “oiler” and not much else. [Welch Labs], on the […read more](https://hackaday.com/2024/08/21/ask-hackaday-how-can-we-leverage-tech-for-education/) ⌘ [Read more](https://hackaday.com/2024/08/21/ask-hackaday-how-can-we-leverage-tech-for-education/) 2024-08-21T15:30:57Z **Jangle Box Plucks Strings At the Press of a Button**
![](https://hackaday.com/wp-content/uploads/2024/08/jangle_feat.jpg?w=800)

There are some that enjoy the human element of a musical performance, delighting in the unique way an artist teases the desired sound from their instruments. Then there are those […read more](https://hackaday.com/2024/08/21/jangle-box-plucks-strings-at-the-press-of-a-button/) ⌘ [Read more](https://hackaday.com/2024/08/21/jangle-box-plucks-strings-at-the-press-of-a-button/) 2024-08-21T17:30:31Z **Supercon 2023: Soft Actuators as Assistive Tech**
![](https://hackaday.com/wp-content/uploads/2024/08/mandelli_feat.jpg?w=800)

When we think of assistive prostheses or braces, we often think of hard and rigid contraptions. After all, it wasn’t that long ago that prosthetic limbs were still being made […read more](https://hackaday.com/2024/08/21/supercon-2023-soft-actuators-as-assistive-tech/) ⌘ [Read more](https://hackaday.com/2024/08/21/supercon-2023-soft-actuators-as-assistive-tech/) 2024-08-21T18:30:52Z **FLOSS Weekly Episode 797: Coreutils — Don’t rm -r Up the Tree**
![](https://hackaday.com/wp-content/uploads/2021/06/Pipewire.jpg?w=800)

This week Jonathan Bennett and Dan Lynch chat with Pádraig Brady about Coreutils! It’s been around since the 90s, and is still a healthy project under active development. You’ve almost […read more](https://hackaday.com/2024/08/21/floss-weekly-episode-797-coreutils-dont-rm-r-up-the-tree/) ⌘ [Read more](https://hackaday.com/2024/08/21/floss-weekly-episode-797-coreutils-dont-rm-r-up-the-tree/) 2024-08-21T20:00:20Z **Atari Announces the Atari 7800+ Nostalgia Console**
![](https://hackaday.com/wp-content/uploads/2024/08/7800_feat.jpg?w=800)

Following the trend of re-releasing every single game console as some kind of modern re-imagining or merely an ARM-SBC-with-emulator slapped into a nice looking enclosure, we now got the announcement […read more](https://hackaday.com/2024/08/21/atari-announces-the-atari-7800-nostalgia-console/) ⌘ [Read more](https://hackaday.com/2024/08/21/atari-announces-the-atari-7800-nostalgia-console/) 2024-08-21T23:00:44Z **Farewell Magnetic Stripe**
![](https://hackaday.com/wp-content/uploads/2024/08/card.png?w=800)

For decades, the magnetic stripe has been ubiquitous on everything from credit cards to tickets to ID badges. But the BBC reports — unsurprisingly — that the mag stripe’s days […read more](https://hackaday.com/2024/08/21/farewell-magnetic-stripe/) ⌘ [Read more](https://hackaday.com/2024/08/21/farewell-magnetic-stripe/) 2024-08-22T02:00:52Z **The First Mass Produced DRAM of the Soviet Union**
![565RU1 die manufactured in 1981.](https://hackaday.com/wp-content/uploads/2024/08/565RU1_DRAM_1981_die_shot.jpg?w=800)

Although the benefits of semiconductor technology were undeniable during the second half the 20th century, there was a clear divide between the two sides of the Iron Curtain. Whilst the […read more](https://hackaday.com/2024/08/21/the-first-mass-produced-dram-of-the-soviet-union/) ⌘ [Read more](https://hackaday.com/2024/08/21/the-first-mass-produced-dram-of-the-soviet-union/) 2024-08-22T05:00:56Z **Tiny ’90s Laptop Gets Modern Power**
![](https://hackaday.com/wp-content/uploads/2024/08/libretto-usb-featured.jpg?w=800)

The laptop to have here in the 2020s varies depending on who you ask, perhaps a Framework, or maybe a ThinkPad. Back in the 1990s the answer might have included […read more](https://hackaday.com/2024/08/21/tiny-90s-laptop-gets-modern-power/) ⌘ [Read more](https://hackaday.com/2024/08/21/tiny-90s-laptop-gets-modern-power/) 2024-08-22T08:00:27Z **Happy Birthday to Dad, Retrocomputer Style**
![](https://hackaday.com/wp-content/uploads/2024/08/IMG_9915-1024x760-1.jpg?w=800)

For those of us who lived through the early 8-bit computing revolution — the tail end, in our case — it’s hard to believe that there’s a second wave of […read more](https://hackaday.com/2024/08/22/happy-birthday-to-dad-retrocomputer-style/) ⌘ [Read more](https://hackaday.com/2024/08/22/happy-birthday-to-dad-retrocomputer-style/) 2024-08-22T11:00:50Z **Running Stock MS-DOS on a Modern ThinkPad**
![](https://hackaday.com/wp-content/uploads/2024/08/thinkdos_feat.jpg?w=800)

It might seem like the days of MS-DOS were a lifetime ago because…well, they basically were. Version 6.22 of the venerable operating system, the last standalone release, came out back […read more](https://hackaday.com/2024/08/22/running-stock-ms-dos-on-a-modern-thinkpad/) ⌘ [Read more](https://hackaday.com/2024/08/22/running-stock-ms-dos-on-a-modern-thinkpad/) 2024-08-22T14:00:29Z **Tech in Plain Sight: Speedometers**
![](https://hackaday.com/wp-content/uploads/2024/08/speed.png?w=800)

In a modern car, your speedometer might look analog, but it is almost certainly digital and driven by the computer that has to monitor all sorts of things anyway. But […read more](https://hackaday.com/2024/08/22/tech-in-plain-sight-speedometers/) ⌘ [Read more](https://hackaday.com/2024/08/22/tech-in-plain-sight-speedometers/) 2024-08-22T15:30:11Z **Citizen Scientists Spot Super Fast Moving Object in NASA Data**
![](https://hackaday.com/wp-content/uploads/2024/08/subdwarf-1-1.webp?w=800)

When you were five, you probably spotted your best friend running at “a million miles an hour” when they beat everybody at the local athletics meet. You probably haven’t seen […read more](https://hackaday.com/2024/08/22/citizen-scientists-spot-super-fast-moving-object-in-nasa-data/) ⌘ [Read more](https://hackaday.com/2024/08/22/citizen-scientists-spot-super-fast-moving-object-in-nasa-data/) 2024-08-22T17:00:24Z **A Field Guide to the North American Substation**
![](https://hackaday.com/wp-content/uploads/2024/08/substation_feat.jpg?w=800)

Drive along nearly any major road in the United States and it won’t be long before you see evidence of the electrical grid. Whether it’s wooden poles strung along the […read more](https://hackaday.com/2024/08/22/a-field-guide-to-the-north-american-substation/) ⌘ [Read more](https://hackaday.com/2024/08/22/a-field-guide-to-the-north-american-substation/) 2024-08-22T18:30:47Z **A Cheap DIY PLC Based on the Atmega328P**
![](https://hackaday.com/wp-content/uploads/2024/08/DIY-low-cost-PLC-using-Atmega328P-24VDC-support-RS485-Modbus-HMI-0-0-screenshot.png?w=800)

If you’re running a big factory, you’ve probably got a massively expensive contract with a major programmable logic controller (PLC) manufacturer. One shudders to think about the cost of the […read more](https://hackaday.com/2024/08/22/a-cheap-diy-plc-based-on-the-atmega328p/) ⌘ [Read more](https://hackaday.com/2024/08/22/a-cheap-diy-plc-based-on-the-atmega328p/) 2024-08-22T20:00:20Z **You Can 3D Print Yourself Some Simple Magnetic Switches**
![](https://hackaday.com/wp-content/uploads/2024/08/3D-Print-a-Magnetic-Switch-and-how-it-works-4-50-screenshot.png?w=800)

Permanent magnets aren’t typically switchable. They’re always doing their magnet thing. However, if you align them with a bunch of other magnets in just the right way, you can create a […read more](https://hackaday.com/2024/08/22/you-can-3d-print-yourself-some-simple-magnetic-switches/) ⌘ [Read more](https://hackaday.com/2024/08/22/you-can-3d-print-yourself-some-simple-magnetic-switches/) 2024-08-22T23:00:00Z **Second Human Neuralink Brain Implant Recipient Uses It For CAD and Videogaming**
![](https://hackaday.com/wp-content/uploads/2024/08/counter-strike_2_neuralink_implant.jpg?w=800)

As Neuralink works towards getting its brain-computer interface technology approved for general use, it now has two human patients who have received the experimental implant. The second patient, [Alex], received […read more](https://hackaday.com/2024/08/22/second-human-neuralink-bra ... ⌘ [Read more](https://hackaday.com/2024/08/22/second-human-neuralink-brain-implant-recipient-uses-it-for-cad-and-videogaming/) 2024-08-23T02:00:00Z **Wardriving Tools In The Modern Era**
![](https://hackaday.com/wp-content/uploads/2024/08/srf_wardriving_gear-scaled-1-e1724318570706.jpg?w=800)

When WiFi first came out, it was a super exciting time. The technology was new, and quite a bit less secure back then—particularly if not configured properly. That gave rise […read more](https://hackaday.com/2024/08/22/wardriving-tools-in-the-modern-era/) ⌘ [Read more](https://hackaday.com/2024/08/22/wardriving-tools-in-the-modern-era/) 2024-08-23T05:00:03Z **Portable PS4 Is Easier To Move Than A Regular One**
![](https://hackaday.com/wp-content/uploads/2024/08/8542271653331404023-1-e1724318233497.jpeg?w=800)

The PlayStation 4 was a popular enough console, but it was a home console. If you wanted to play at a friend’s house, you had to unplug all your cables […read more](https://hackaday.com/2024/08/22/portable-ps4-is-easier-to-move-than-a-regular-one/) ⌘ [Read more](https://hackaday.com/2024/08/22/portable-ps4-is-easier-to-move-than-a-regular-one/) 2024-08-23T08:00:39Z **A Simple Guide to RF PCB Design**
![](https://hackaday.com/wp-content/uploads/2024/08/Screenshot-from-2024-08-22-20-35-09-featured.png?w=800)

[Hans Rosenberg] knows a thing or two about RF PCB design and has provided a three-part video demonstration of some solid rules of thumb. We will cover the first part […read more](https://hackaday.com/2024/08/23/a-simple-guide-to-rf-pcb-design/) ⌘ [Read more](https://hackaday.com/2024/08/23/a-simple-guide-to-rf-pcb-design/) 2024-08-23T11:00:14Z **The Famous Computer Cafe Has Now Been Archived Online**
![](https://hackaday.com/wp-content/uploads/2024/08/IMG_2951-1536x1152-1-e1724317044667.jpg?w=800)

You might think that TV stations or production houses would be great at archiving, but it’s not always the case. Particularly from the public access perspective. However, if you’re a […read more](https://hackaday.com/2024/08/23/the-famous-computer-cafe-has-now-been-archived-online/) ⌘ [Read more](https://hackaday.com/2024/08/23/the-famous-computer-cafe-has-now-been-archived-online/) 2024-08-23T14:00:17Z **This Week in Security: Crash your iPhone, Hack Your Site, and Bluetooth Woes**
![](https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800)

There have been some hilarious issues on mobile devices over the years. The HTC Dream had a hidden shell that was discovered when a phone rebooted after sending a text […read more](https://hackaday.com/2024/08/23/this-week-in-security-crash-your-iphone-hack-your-site-and-bluetooth-woes/) ⌘ [Read more](https://hackaday.com/2024/08/23/this-week-in-security-crash-your-iphone-hack-your-site-and-bluetooth-woes/) 2024-08-23T15:30:57Z **Ethernet History: Why Do We Have Different Frame Types?**
![](https://hackaday.com/wp-content/uploads/2020/10/Ethernet.jpg?w=800)

Although Ethernet is generally considered to be a settled matter, its history was anything but peaceful, with its standardization process (under Project 802) leaving its traces to this very day. […read more](https://hackaday.com/2024/08/23/ethernet-history-why-do-we-have-different-frame-types/) ⌘ [Read more](https://hackaday.com/2024/08/23/ethernet-history-why-do-we-have-different-frame-types/) 2024-08-23T18:30:09Z **Hackaday Podcast Episode 285: Learning Laser Tricks, Rocket Science, and a Laptop That’s Not a Laptop**
![](https://hackaday.com/wp-content/uploads/2016/05/microphone.jpg?w=800)

This week on the Podcast, we have something a little different for you. Elliot is on vacation, so Tom was in charge of running the show and he had Kristina […read more](https://hackaday.com/2024/08/23/hackaday-podcast-episode-285-learning-laser-tricks-rocket-scienc ... ⌘ [Read more](https://hackaday.com/2024/08/23/hackaday-podcast-episode-285-learning-laser-tricks-rocket-science-and-a-laptop-thats-not-a-laptop/) 2024-08-23T20:00:00Z **Tiny Custom Keyboard Gets RGB**
![](https://hackaday.com/wp-content/uploads/2024/08/I-Made-the-Worlds-Smallest-Keyboard-WITH-RGB-8-19-screenshot.png?w=800)

Full-size keyboards are great for actually typing on and using for day-to-day interfacing duties. They’re less good for impressing the Internet. If you really want to show off, you gotta […read more](https://hackaday.com/2024/08/23/tiny-custom-keyboard-gets-rgb/) ⌘ [Read more](https://hackaday.com/2024/08/23/tiny-custom-keyboard-gets-rgb/) 2024-08-23T23:00:13Z **Creating Customized Diffraction Lenses For Lasers**
![](https://hackaday.com/wp-content/uploads/2024/08/diffraction-main.png?w=800)

[The Thought Emporium] has been fascinated by holograms for a long time, and in all sorts of different ways. His ultimate goal right now is to work up to creating […read more](https://hackaday.com/2024/08/23/creating-customized-diffraction-lenses-for-lasers/) ⌘ [Read more](https://hackaday.com/2024/08/23/creating-customized-diffraction-lenses-for-lasers/) 2024-08-24T02:00:08Z **You Can Get A Precision Instrument-Guided Landing Even In Antarctica**
![](https://hackaday.com/wp-content/uploads/2024/08/Twin-Otter-landing-Williams-Runway-1024x683-1-e1724316562456.jpg?w=800)

Traditional airports spend big money to install instrument landing systems (ILS) to guide planes in safely. In places like Antarctica, though, it’s simply not possible to permanently install a massive […read more](https://hackaday.com/2024/08/23/you-can-get-a-precision-instrum ... ⌘ [Read more](https://hackaday.com/2024/08/23/you-can-get-a-precision-instrument-guided-landing-even-in-antarctica/) 2024-08-24T05:00:29Z **A Game of Snake on a LEGO Mechanical Computer**
![](https://hackaday.com/wp-content/uploads/2024/08/lego_snake.png?w=800)

Really, [OzzieGerff] had us at “LEGO.” But then he took it to another place entirely and built a completely mechanical, nearly 100% LEGO version of Snake. And it’s just as […read more](https://hackaday.com/2024/08/23/a-game-of-snake-on-a-lego-mechanical-computer/) ⌘ [Read more](https://hackaday.com/2024/08/23/a-game-of-snake-on-a-lego-mechanical-computer/) 2024-08-24T08:00:03Z **Intuitive Explanation of Arithmetic, Geometric & Harmonic Mean**
![](https://hackaday.com/wp-content/uploads/2020/09/Sunspot_Numbers.png?w=800)

The simple definition of a mean is that of a numeric quantity which represents the center of a collection of numbers. Here the trick lies in defining the exact type […read more](https://hackaday.com/2024/08/24/intuitive-explanation-of-arithmetic-geometric-harmonic-mean/) ⌘ [Read more](https://hackaday.com/2024/08/24/intuitive-explanation-of-arithmetic-geometric-harmonic-mean/) 2024-08-24T11:00:39Z **A Journey Into Unexpected Serial Ports**
![](https://hackaday.com/wp-content/uploads/2024/08/garmin-serial-featured.jpg?w=800)

Through all the generations of computing devices from the era of the teleprinter to the present day, there’s one interface that’s remained universal. Even though its usefulness as an everyday […read more](https://hackaday.com/2024/08/24/a-journey-into-unexpected-serial-ports/) ⌘ [Read more](https://hackaday.com/2024/08/24/a-journey-into-unexpected-serial-ports/) 2024-08-24T14:00:07Z **Compact Driver Powers Steppers with USB-C PD**
![](https://hackaday.com/wp-content/uploads/2024/08/pd_stepper.png?w=800)

NEMA-17 steppers are (almost) a dime a dozen. They’re everywhere, they’re well-known to hackers and makers, and yet they’re still a bit hard to integrate into projects. That’s because the […read more](https://hackaday.com/2024/08/24/compact-driver-powers-steppers-with-usb-c-pd/) ⌘ [Read more](https://hackaday.com/2024/08/24/compact-driver-powers-steppers-with-usb-c-pd/) 2024-08-24T17:00:48Z **Flying Lotus is a Framework-Powered Portable All-in-One Computer**
![A man in glasses and a black sweatshirt sits in front of an orange and black computer screen just below eye level at the table in front of him. His keyboard sits on the table below. He appears to be in a park as there are trees and grass in the background.](https://hackaday.com/wp-content/uploads/2024/08/Using-Framework-laptop-components-to-create-the-best-portable-all-in-one-workstation-_-Flying-Lotus-Yo ... ⌘ [Read more](https://hackaday.com/2024/08/24/flying-lotus-is-a-framework-powered-portable-all-in-one-computer/) 2024-08-24T20:00:30Z **Comparing AliExpress vs LCSC-Sourced MOSFETs**
![](https://hackaday.com/wp-content/uploads/2024/08/learn_electronics_repair_psu_analysis.jpg?w=800)

These days, it’s super-easy to jump onto the World Wide Web to find purported replacement parts using nothing but the part identifier, whether it’s from a reputable source like Digikey […read more](https://hackaday.com/2024/08/24/comparing-aliexpress-vs-lcsc-sourced-mosfets/) ⌘ [Read more](https://hackaday.com/2024/08/24/comparing-aliexpress-vs-lcsc-sourced-mosfets/) 2024-08-24T23:00:27Z **Meta Cancels Augmented Reality Headset After Apple Vision Pro Falls Flat**
![](https://hackaday.com/wp-content/uploads/2023/08/AVP-Multiple-Windows-1024x576-1.png?w=800)

The history of consumer technology is littered with things that came and went. For whatever reason, consumers never really adopted the tech, and it eventually dies. Some of those concepts […read more](https://hackaday.com/2024/08/24/meta-cancels-augmented-reality-headset-after-apple-vision-pro-fal ... ⌘ [Read more](https://hackaday.com/2024/08/24/meta-cancels-augmented-reality-headset-after-apple-vision-pro-falls-flat/) 2024-08-25T02:00:35Z **Using a 2D Scanner to Make 3D Things**
![](https://hackaday.com/wp-content/uploads/2024/08/Screenshot-from-2024-08-24-10-20-52-featured.png?w=800)

[Chuck Hellebuyck] wanted to clone some model car raceway track and realised that by scanning the profile section of the track with a flatbed scanner and post-processing in Tinkercad, a […read more](https://hackaday.com/2024/08/24/using-a-2d-scanner-to-make-3d-things/) ⌘ [Read more](https://hackaday.com/2024/08/24/using-a-2d-scanner-to-make-3d-things/) 2024-08-25T05:00:49Z **Lunar Landing Lunacy: Charles Duke Confronted With Reality-Deniers**
![Charles Duke during his interview with Jack Gordon. (Credit: Jack Gordon, YouTube)](https://hackaday.com/wp-content/uploads/2024/08/charles_duke_interview.jpg?w=800)

Imagine: you spent years training for a sojourn to the Moon, flew there on top of a Saturn V rocket as part of Apollo 16, to ultimately land on the […read more](https://hackaday.com/2024/08/24/lunar-landing-lunacy-charles-duke-confronted- ... ⌘ [Read more](https://hackaday.com/2024/08/24/lunar-landing-lunacy-charles-duke-confronted-with-reality-deniers/) 2024-08-25T08:00:55Z **Simulating Air Flow for 3D Printing**
![](https://hackaday.com/wp-content/uploads/2024/08/flow.png?w=800)

You’ve probably heard that a 3D printer is capable of producing its own replacement parts. Sometimes, that even includes upgraded or improved versions of the parts it was originally built […read more](https://hackaday.com/2024/08/25/simulating-air-flow-for-3d-printing/) ⌘ [Read more](https://hackaday.com/2024/08/25/simulating-air-flow-for-3d-printing/) 2024-08-25T11:00:00Z **Talking Milk Jug Says Glug-Glug-Glug**
![A 3D-printed talking milk jug with a speech bubble that says 'glug'.](https://hackaday.com/wp-content/uploads/2024/08/glug-jug-800.jpg?w=800)

Children can be a great source of daily inspiration, especially when they are just beginning to speak in full sentences and starting to let their little personalities show. [Franklinstein] has […read more](https://hackaday.com/2024/08/25/talking-milk-jug-says-glug-glug-glug/) ⌘ [Read more](https://hackaday.com/2024/08/25/talking-milk-jug-says-glug-glug-glug/) 2024-08-25T14:00:14Z **V-Slot Wheels or Linear Rails?**
![](https://hackaday.com/wp-content/uploads/2024/08/rails.png?w=800)

In the early days of 3D printers, most builds used smooth rods and bearings that rode on them. But these days, printers are shipping with either V-slot extrusions with Delrin […read more](https://hackaday.com/2024/08/25/v-slot-wheels-or-linear-rails/) ⌘ [Read more](https://hackaday.com/2024/08/25/v-slot-wheels-or-linear-rails/) 2024-08-25T17:00:50Z **A simple 6DOF Hall Effect ‘Space’ Mouse**
![](https://hackaday.com/wp-content/uploads/2024/08/2he-spacemouse-featured.png?w=799)

The 3DConnexion Space mouse is an interesting device but heavily patent-protected, of course. This seems to just egg people on to reproduce it using other technologies than the optical pickup […read more](https://hackaday.com/2024/08/25/a-simple-6dof-hall-effect-space-mouse/) ⌘ [Read more](https://hackaday.com/2024/08/25/a-simple-6dof-hall-effect-space-mouse/) 2024-08-25T20:00:36Z **3D Printed Electronics Breadboard**
![](https://hackaday.com/wp-content/uploads/2024/08/diy_breadboard_without_plastic_cover.jpg?w=800)

Does it make sense to make your own breadboards rather than purchasing off the shelf ones? As [Chuck Hellebuyck] notes in a recent video on DIY, 3D-printed breadboards, there’s a […read more](https://hackaday.com/2024/08/25/3d-printed-electronics-breadboard/) ⌘ [Read more](https://hackaday.com/2024/08/25/3d-printed-electronics-breadboard/) 2024-08-25T23:00:36Z **Hackaday Links: August 25, 2024**
![Hackaday Links Column Banner](https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800)

The Sun has been remarkably active lately, so much so that it might have set a new sunspot record. According to the sun watchers at the Space Weather Prediction Center, […read more](https://hackaday.com/2024/08/25/hackaday-links-august-25-2024/) ⌘ [Read more](https://hackaday.com/2024/08/25/hackaday-links-august-25-2024/) 2024-08-26T02:00:02Z **Building a Microcontroller from Scratch: The B4 Thinker Project**
![PCB data sheet of a custom 4-bit microcontroller](https://hackaday.com/wp-content/uploads/2024/08/4bitmicrocontroller-800.jpg?w=800)

[Marius Taciuc’s] latest endeavor, the B4 Thinker, offers a captivating glimpse into microcontroller architecture through a modular approach. This proof-of-concept project is meticulously documented, with a detailed, step-by-step guide to […read more](https://hackaday.com/2024 ... ⌘ [Read more](https://hackaday.com/2024/08/25/building-a-microcontroller-from-scratch-the-b4-thinker-project/) 2024-08-26T05:00:46Z **A Simple But Effective Receiving Loop Antenna**
![](https://hackaday.com/wp-content/uploads/2024/08/mag-loop-featured.jpg?w=800)

There’s a joke in the world of radio that all you need for a HF antenna is a piece of wet string, but the truth is that rudimentary antennas rarely […read more](https://hackaday.com/2024/08/25/a-simple-but-effective-receiving-loop-antenna/) ⌘ [Read more](https://hackaday.com/2024/08/25/a-simple-but-effective-receiving-loop-antenna/) 2024-08-26T08:00:57Z **Everything You Wanted to Know about Early Macintosh Floppies**
![](https://hackaday.com/wp-content/uploads/2024/08/mac.png?w=800)

Using a disk drive today is trivial. But back “in the day,” it was fairly complex both because the drives were simple and the CPUs were not powerful by today’s […read more](https://hackaday.com/2024/08/26/everything-you-wanted-to-know-about-early-macintosh-floppies/) ⌘ [Read more](https://hackaday.com/2024/08/26/everything-you-wanted-to-know-about-early-macintosh-floppies/) 2024-08-26T11:00:56Z **Backlight Switch for a Better Multimeter**
![Insides of a multimeter, improved with a custom backlight switch.](https://hackaday.com/wp-content/uploads/2024/08/backlightmultimeter.jpg?w=800)

Frustrated by his Aldi multimeter’s backlight turning off after just 15 seconds, [Steg Steg] took matters into his own hands. His solution? He added a manual toggle switch to control […read more](https://hackaday.com/2024/08/26/backlight-switch-for-a-better-multimeter/) ⌘ [Read more](https://hackaday.com/2024/08/26/backlight-switch-for-a-better-multimeter/) 2024-08-26T14:00:23Z **Keebin’ with Kristina: the One with the Folding Typewriter**
![Illustrated Kristina with an IBM Model M keyboard floating between her hands.](https://hackaday.com/wp-content/uploads/2021/07/Keebin.jpg?w=800)

Have you built yourself a macro pad yet? They’re all sorts of programmable fun, whether you game, stream, or just plain work, and there are tons of ideas out there. […read more](https://hackaday.com/2024/08/26/keebin-with-kristina-the-one-with-the-folding-typewriter/) ⌘ [Read more](https://hackaday.com/2024/08/26/keebin-with-kristina-the-one-with-the-folding-typewriter/) 2024-08-26T15:30:47Z **Supercon 2024: Show Off Your Unique Display Tech**
![](https://hackaday.com/wp-content/uploads/2024/08/supercon_2024_featured_knob.png?w=800)

If there’s a constant in the world of electronics, it’s change. Advancements and breakthroughs mean that what was once state-of-the-art all too soon finds itself collecting dust. But there are […read more](https://hackaday.com/2024/08/26/supercon-2024-show-off-your-unique-display-tech/) ⌘ [Read more](https://hackaday.com/2024/08/26/supercon-2024-show-off-your-unique-display-tech/) 2024-08-26T18:30:27Z **Experimenting with Interference on Thin Layers**
![Setup of a small lightbulb passing light through a thin film](https://hackaday.com/wp-content/uploads/2024/08/thinfilms_800.jpg?w=800)

[Stoppi] has taken on a fascinating project involving the interference of thin layers, a phenomenon often observed in everyday life but rarely explored in such depth. This project delves into […read more](https://hackaday.com/2024/08/26/experimenting-with-interference-on-thin-layers/) ⌘ [Read more](https://hackaday.com/2024/08/26/experimenting-with-interference-on-thin-layers/) 2024-08-26T20:00:47Z **It Turns Out, A PCB Makes A Nice Watch Dial**
![](https://hackaday.com/wp-content/uploads/2024/08/FO64X8WLZZKV5TL.webp?w=800)

Printed circuit boards are typically only something you’d find in a digital watch. However, as [IndoorGeek] demonstrates, you can put them to wonderful use in a classical analog watch, too. […read more](https://hackaday.com/2024/08/26/turns-out-a-pcb-makes-a-nice-watch-dial/) ⌘ [Read more](https://hackaday.com/2024/08/26/turns-out-a-pcb-makes-a-nice-watch-dial/) 2024-08-26T23:00:24Z **Fast 3D Printing With a Polar, Four Quadrant Custom Machine**
![](https://hackaday.com/wp-content/uploads/2024/08/Screenshot-from-2024-08-26-16-24-06-featured.png?w=800)

3D printing is all well and good for making low numbers of units, so long as they’re small enough to print in a reasonable time, but what if you want […read more](https://hackaday.com/2024/08/26/fast-3d-printing-with-a-polar-four-quadrant-custom-machine/) ⌘ [Read more](https://hackaday.com/2024/08/26/fast-3d-printing-with-a-polar-four-quadrant-custom-machine/) 2024-08-27T02:00:12Z **Robots Collaborate To Localize Themselves Precisely**
![](https://hackaday.com/wp-content/uploads/2024/08/Two-robot-collaboration-for-precise-localization-1-13-screenshot.png?w=800)

Here’s the thing about robots. It’s hard for them to figure out where to go or what they should be doing if they don’t know where they are. Giving them […read more](https://hackaday.com/2024/08/26/robots-collaborate-to-localize-themselves-precisely/) ⌘ [Read more](https://hackaday.com/2024/08/26/robots-collaborate-to-localize-themselves-precisely/) 2024-08-27T05:00:23Z **The Macintosh Plus Sounds Great If You Do Exactly This With It**
![](https://hackaday.com/wp-content/uploads/2024/08/How-Does-This-Sound-So-GOOD_-11-41-screenshot.png?w=800)

The Macintosh Plus is not exactly known as particularly relevant in the worlds of chiptune or electronic music more broadly. That’s not to say it can’t do anything that sounds cool, however. […read more](https://hackaday.com/2024/08/26/the-macintosh-plus-sounds-great-if-you-do-exactly-this-with-it/) ⌘ [Read more](https://hackaday.com/2024/08/26/the-macintosh-plus-sounds-great-if-you-do-exactly-this-with-it/) 2024-08-27T08:00:00Z **Nice Retro Displays Set This Watch on Edge**
![](https://hackaday.com/wp-content/uploads/2024/08/edge_watch.jpg?w=800)

A common design language for watches has evolved ever since they first started popping up in the 1500s. Whether worn on the wrist or in a pocket, watches are relatively […read more](https://hackaday.com/2024/08/27/nice-retro-displays-set-this-watch-on-edge/) ⌘ [Read more](https://hackaday.com/2024/08/27/nice-retro-displays-set-this-watch-on-edge/) 2024-08-27T11:00:21Z **Using The Pi Pico As ‘Programmable Hardware’ For The Apple II**
![](https://hackaday.com/wp-content/uploads/2024/08/2ed229804138c39905a61c279742205754fa086de4a29ef80b43799c-1.png?w=800)

When we think of programmable hardware, we think of FPGAs. But they’re not the only option. [Oliver Schmidt] has been exploring how the Raspberry Pi Pico can serve in such […read more](https://hackaday.com/2024/08/27/using-the-pi-pico-as-programmable-hardware-for-the-apple-ii/) ⌘ [Read more](https://hackaday.com/2024/08/27/using-the-pi-pico-as-programmable-hardware-for-the-apple-ii/) 2024-08-27T14:00:49Z **What’s New in 3D Scanning? All-In-One Scanning is Nice**
![](https://hackaday.com/wp-content/uploads/2024/08/Benchy-Scan-Screen.jpg?w=800)

3D scanning is important because the ability to digitize awkward or troublesome shapes from the real world can really hit the spot. One can reconstruct objects by drawing them up […read more](https://hackaday.com/2024/08/27/whats-new-in-3d-scanning-all-in-one-scanning-is-nice/) ⌘ [Read more](https://hackaday.com/2024/08/27/whats-new-in-3d-scanning-all-in-one-scanning-is-nice/) 2024-08-27T15:30:00Z **Hidden Gutter Antenna Keeps HOA Happy**
![](https://hackaday.com/wp-content/uploads/2024/08/gutter-antenna-main.png?w=800)

The United States and a few other countries have an astounding array of homeowners’ associations (HOAs), local organizations that exert an inordinate influence on what homeowners can and can’t do […read more](https://hackaday.com/2024/08/27/hidden-gutter-antenna-keeps-hoa-happy/) ⌘ [Read more](https://hackaday.com/2024/08/27/hidden-gutter-antenna-keeps-hoa-happy/) 2024-08-27T17:00:53Z **Supercon 2024: May the Best Badge Add-Ons Win**
![](https://hackaday.com/wp-content/uploads/2024/08/sao24_feat.jpg?w=800)

One of our favorite parts of Hackaday Supercon is seeing all the incredible badge add-ons folks put together. These expansions are made all the more impressive by the fact that […read more](https://hackaday.com/2024/08/27/supercon-2024-may-the-best-badge-add-ons-win/) ⌘ [Read more](https://hackaday.com/2024/08/27/supercon-2024-may-the-best-badge-add-ons-win/) 2024-08-27T20:00:07Z **Building A Small Gyro Stabilized Monorail**
![](https://hackaday.com/wp-content/uploads/2024/08/Gyro-Stabilized-Monorail-Train-16-52-screenshot-1.png?w=800)

Monorails aren’t just the core reason why The Simpsons remains on air after thirty-six seasons, twenty-six of which are unredeemable garbage. They’re also an interesting example of oddball rail travel which […read more](https://hackaday.com/2024/08/27/building-a-small-gyro-stabilized-monorail/) ⌘ [Read more](https://hackaday.com/2024/08/27/building-a-small-gyro-stabilized-monorail/) 2024-08-27T23:00:02Z **Hardware Reuse: The PMG001 Integrated Power Management Module**
![](https://hackaday.com/wp-content/uploads/2024/08/6796071722841943551-featured.png?w=722)

Battery management is a tedious but necessary problem that becomes more of a hassle with lithium-ion technology. As we’re all very aware, such batteries need a bit of care to […read more](https://hackaday.com/2024/08/27/hardware-reuse-the-pmg001-integrated-power-management-module/) ⌘ [Read more](https://hackaday.com/2024/08/27/hardware-reuse-the-pmg001-integrated-power-management-module/) 2024-08-28T02:00:58Z **DEC’s LAN Bridge 100: The Invention of the Network Bridge**
![](https://hackaday.com/wp-content/uploads/2024/08/dec_lanbridge_rear_active.jpg?w=800)

DEC’s LAN Bridge 100 was a major milestone in the history of Ethernet which made it a viable option for the ever-growing LANs of yesteryear and today. Its history is […read more](https://hackaday.com/2024/08/27/decs-lan-bridge-100-the-invention-of-the-network-bridge/) ⌘ [Read more](https://hackaday.com/2024/08/27/decs-lan-bridge-100-the-invention-of-the-network-bridge/) 2024-08-28T05:00:01Z **Exploring PC Floppy Protection: Formaster Copy-Lock**
![](https://hackaday.com/wp-content/uploads/2024/08/kings_quest_disk01-featured.png?w=800)

[GloriousCow] has started working on a series of investigations into the various historical floppy disk copy protection schemes used in the early days of the IBM PC and is here […read more](https://hackaday.com/2024/08/27/exploring-pc-floppy-protection-formaster-copy-lock/) ⌘ [Read more](https://hackaday.com/2024/08/27/exploring-pc-floppy-protection-formaster-copy-lock/) 2024-08-28T08:00:15Z **Proper Mag Lev Controller Makes Snail Lamp Much Cooler**
![](https://hackaday.com/wp-content/uploads/2024/08/DIY-Guide_-Magnetic-Levitation-Snail-Lamp-from-A-to-Z-1-52-screenshot.png?w=800)

Magnetic levitation has not quite revolutionized the world of transit the way some of us might have hoped. It has, however, proven useful to [mrdiytechmagic], who has put the technology […read more](https://hackaday.com/2024/08/28/proper-mag-lev-controller-makes-snail-lamp-much-cooler/) ⌘ [Read more](https://hackaday.com/2024/08/28/proper-mag-lev-controller-makes-snail-lamp-much-cooler/) 2024-08-28T11:00:52Z **Demonstrating The Photoelectric Effect Using Neon Lamps**
![](https://hackaday.com/wp-content/uploads/2024/08/led_initiated_neob_bulb-featured-copy.gif?w=800)

Neon lamps are fun to play with. These old-school indicators were once heavily utilized in many types of equipment for indication purposes but now seem largely relegated to mains voltage […read more](https://hackaday.com/2024/08/28/demonstrating-the-photoelectric-effect-using-neon-lamps/) ⌘ [Read more](https://hackaday.com/2024/08/28/demonstrating-the-photoelectric-effect-using-neon-lamps/) 2024-08-28T14:00:23Z **Why Use a Sensor When a Pseudo-Sensor Will Do?**
![](https://hackaday.com/wp-content/uploads/2024/08/outie80.jpg?w=800)

Usually, when you need to sense something in a project, the answers are straightforward. Want to sense air temperature? There’s a sensor for that. Particulate content in the air? There’s […read more](https://hackaday.com/2024/08/28/why-use-a-sensor-when-a-pseudo-sensor-will-do/) ⌘ [Read more](https://hackaday.com/2024/08/28/why-use-a-sensor-when-a-pseudo-sensor-will-do/) 2024-08-28T15:30:51Z **The Commodordion Gets a Big Usability Upgrade**
![](https://hackaday.com/wp-content/uploads/2024/08/The-Tenor-Commodordion-with-Ack-Varmeland-du-skona-0-53-screenshot.png?w=800)

The chiptune scene is dominated by Game Boys and other Nintendo hardware, but one should never forget the gorgeous, beautiful tones that come from the hallowed Commodore 64. [Linus Åkesson] […read more](https://hackaday.com/2024/08/28/the-commodordion-gets-a-big-usability-upgrade/) ⌘ [Read more](https://hackaday.com/2024/08/28/the-commodordion-gets-a-big-usability-upgrade/) 2024-08-28T17:00:00Z **Boss Byproducts: Fordites Are Pieces of American History**
![](https://hackaday.com/wp-content/uploads/2024/08/fordite_feat.jpg?w=800)

Some of the neatest products are made from the byproducts of other industries. Take petroleum jelly, for example. Its inventor, Robert Chesebrough, a chemist from New York, came upon his […read more](https://hackaday.com/2024/08/28/boss-byproducts-fordites-are-pieces-of-american-history/) ⌘ [Read more](https://hackaday.com/2024/08/28/boss-byproducts-fordites-are-pieces-of-american-history/) 2024-08-28T18:30:38Z **FLOSS Weekly Episode 798: Building the Rust Desktop with COSMIC**
![](https://hackaday.com/wp-content/uploads/2021/06/Pipewire.jpg?w=800)

This week Jonathan Bennett and Rob Campbell chat with Carl Richell about System 76, COSMIC, Wayland, Rust and more! What was the “last straw” that convinced System 76 to write […read more](https://hackaday.com/2024/08/28/floss-weekly-episode-798-building-the-rust-desktop-with-cosmic/) ⌘ [Read more](https://hackaday.com/2024/08/28/floss-weekly-episode-798-building-the-rust-desktop-with-cosmic/) 2024-08-28T20:00:42Z **Hardware Bug in Raspberry Pi’s RP2350 Causes Faulty Pull-Down Behavior**
![](https://hackaday.com/wp-content/uploads/2024/08/89ded667f4663b35.jpg?w=800)

The newly released RP2350 microcontroller has a confirmed new bug in the current A0 stepping, affecting GPIO pull-down behavior. Listed in the Raspberry Pi RP2350 datasheet as errata RP2350-E9, it […read more](https://hackaday.com/2024/08/28/hardware-bug-in-raspberry-pis-rp2350-causes-faulty-pull-down-behavior/) ⌘ [Read more](https://hackaday.com/2024/08/28/hardware-bug-in-raspberry-pis-rp2350-causes-faulty-pull-down-behavior/) 2024-08-28T23:00:13Z **SWD Interface Simplifies Debugging**
![Hands hold a set of white, 3D printed connectors above a wooden table. They look like a cross between a ballpoint pen tip and a spider. The shorter one on the right has yellow, green, black, purple, and white wires coming out the top.](https://hackaday.com/wp-content/uploads/2024/08/I-Made-a-Tool-for-DIY-Electronics-YouTube-0-12-24.jpeg?w=800)

The proliferation of microcontrollers has made it easier than ever to add some smarts to a project, but sometimes there j ... ⌘ [Read more](https://hackaday.com/2024/08/28/swd-interface-simplifies-debugging/) 2024-08-29T02:00:26Z **IBM’s Latest Quantum Supercomputer Idea: the Hybrid Classical-Quantum System**
![](https://hackaday.com/wp-content/uploads/2024/08/ibm_system_two_hybrid_quantum-classical_computing.jpg?w=800)

Although quantum processors exist today, they are still a long way off from becoming practical replacements for classical computers. This is due to many practical considerations, not the least of […read more](https://hackaday.com/2024/08/28/ibms-latest-quantum-supercomputer ... ⌘ [Read more](https://hackaday.com/2024/08/28/ibms-latest-quantum-supercomputer-idea-the-hybrid-classical-quantum-system/) 2024-08-29T05:00:37Z **A Non-Musical Use Case for 8-Track**
![](https://hackaday.com/wp-content/uploads/2024/08/8-track-main.png?w=800)

There was a time in the not-too-distant past when magnetic tape was the primary way of listening to and recording audio. Most of us are familiar with the cassette tape, […read more](https://hackaday.com/2024/08/28/a-non-musical-use-case-for-8-track/) ⌘ [Read more](https://hackaday.com/2024/08/28/a-non-musical-use-case-for-8-track/) 2024-08-29T08:00:30Z **Adding Human Detection to Home Automation**
![](https://hackaday.com/wp-content/uploads/2024/08/radar-main.png?w=800)

Radar made a huge impact when it was first invented, allowing objects to be detected using radio waves which would normally be difficult or impossible to observe through other means. […read more](https://hackaday.com/2024/08/29/adding-human-detection-to-home-automation/) ⌘ [Read more](https://hackaday.com/2024/08/29/adding-human-detection-to-home-automation/) 2024-08-29T11:00:31Z **Reconfigurable Tracked Robot Has Some Neat Flexible Abilities**
![](https://hackaday.com/wp-content/uploads/2024/08/Minimally-actuated-Reconfigurable-Continuous-Track-Robot-1-19-screenshot.png?w=800)

When you think of tracked robots, you might think of bomb disposal robots or others used in military applications. You probably haven’t seen anything quite like this, however—it’s a “reconfigurable […read more](https://hackaday.com/2024/08/29/reconfigurable-tracked-robot-has-som ... ⌘ [Read more](https://hackaday.com/2024/08/29/reconfigurable-tracked-robot-has-some-neat-flexible-abilities/) 2024-08-29T14:00:05Z **3D Printering: Klipper, the Free 3D Printer Upgrade**
![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)

I have several 3D printers, and I’ve always been satisfied with using either Repetier or Marlin on all of them. There are a few other firmware versions that could run […read more](https://hackaday.com/2024/08/29/3d-printering-klipper-the-free-3d-printer-upgrade/) ⌘ [Read more](https://hackaday.com/2024/08/29/3d-printering-klipper-the-free-3d-printer-upgrade/) 2024-08-29T17:00:00Z **Walking the Plank: Add-Ons for the Bus Pirate**
![](https://hackaday.com/wp-content/uploads/2024/08/planks_feat.jpg?w=800)

The Bus Pirate multi-tool has held a place of honor in many a hardware hacker’s toolbox for years, and the latest generation of the gadget powered by the Raspberry Pi […read more](https://hackaday.com/2024/08/29/walking-the-plank-add-ons-for-the-bus-pirate/) ⌘ [Read more](https://hackaday.com/2024/08/29/walking-the-plank-add-ons-for-the-bus-pirate/) 2024-08-29T18:30:20Z **2024 Tiny Games Contest: Blind Maze Is Fun For All**
![The blind maze -- a box with three buttons and three light-up panels that indicate walls.](https://hackaday.com/wp-content/uploads/2024/08/blind-maze-800.jpg?w=800)

If you think about it, even difficult mazes on paper are pretty easy. You can see all the places you can and can’t go, and if you use a pencil […read more](https://hackaday.com/2024/08/29/2024-tiny-games-contest-blind-maze-is-fun-for-all/) ⌘ [Read more](https://hackaday.com/2024/08/29/2024-tiny-games-contest-blind-maze-is-fun-for-all/) 2024-08-29T20:00:04Z **Driven To Over-Engineer a Kids’ Car**
![A tricked-out kids' Jeep in black and silver.](https://hackaday.com/wp-content/uploads/2024/08/kids-car-800.jpg?w=800)

You know, it feels as though it’s getting more and more difficult to compete for Father of the Year around here. And [Jon Petter Skagmo] just laid down a new […read more](https://hackaday.com/2024/08/29/driven-to-over-engineer-a-kids-car/) ⌘ [Read more](https://hackaday.com/2024/08/29/driven-to-over-engineer-a-kids-car/) 2024-08-29T23:00:08Z **2024 Tiny Games Contest: Mini Cyclone Tests Reaction Time**
![A mini Cyclone game consisting of an Arduino, an LED ring, and button, plus a scoreboard on a 16x2 LCD.](https://hackaday.com/wp-content/uploads/2024/08/cyclone-800.jpg?w=800)

Round and round goes the red LED, and if you can push the button when it overlaps the green LED, then you win. Cyclone is almost too simple of a […read more](https://hackaday.com/2024/08/29/2024-tiny-games-contest-mini-cyclone-tests-reaction-time ... ⌘ [Read more](https://hackaday.com/2024/08/29/2024-tiny-games-contest-mini-cyclone-tests-reaction-time/) 2024-08-30T02:00:30Z **A Little Optical Magic Makes This Floating Display Pop**
![](https://hackaday.com/wp-content/uploads/2024/08/floating.png?w=800)

If there’s a reason that fancy holographic displays that respond to gestures are a science fiction staple, it’s probably because our current display technology is terrible. Oh sure, Retina displays […read more](https://hackaday.com/2024/08/29/a-little-optical-magic-makes-this-floating-display-pop/) ⌘ [Read more](https://hackaday.com/2024/08/29/a-little-optical-magic-makes-this-floating-display-pop/) 2024-08-30T08:00:06Z **Adjustable Electric Hand Warmers**
![Two types of polymer clay hand warmers with a digital temperature controller.](https://hackaday.com/wp-content/uploads/2024/08/hand-warmers-800.png?w=800)

It may be the last gasp of summer here in the Northern Hemisphere, but it’s always cold somewhere, whether it’s outdoors or inside. If you suffer from cold, stiff hands, […read more](https://hackaday.com/2024/08/30/adjustable-electric-hand-warmers/) ⌘ [Read more](https://hackaday.com/2024/08/30/adjustable-electric-hand-warmers/) 2024-08-30T11:00:54Z **New 2 GB Raspberry Pi 5 Has Smaller Die and 30% Lower Idle Power Usage**
![](https://hackaday.com/wp-content/uploads/2024/08/pi-5-C1-vs-D0-Stepping.jpg?w=800)

Recently Raspberry Pi released the 2GB version of the Raspberry Pi 5 with a new BCM2712 SoC featuring the D0 stepping. As expected, [Jeff Geerling] got his mitts on one […read more](https://hackaday.com/2024/08/30/new-2-gb-raspberry-pi-5-has-smaller-die-and-30-lower-idle-power-usage/) ⌘ [Read more](https://hackaday.com/2024/08/30/new-2-gb-raspberry-pi-5-has-smaller-die-and-30-lower-idle-power-usage/) 2024-08-30T14:00:53Z **This Week in Security: The Rest of the IPv6 Story, CVE Hunting, and Hacking the TSA**
![](https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800)

We finally have some answers about the Windows IPv6 vulnerability — and a Proof of Concept! The patch was a single change in the Windows TCP/IP driver’s Ipv6pProcessOptions(), now calling […read more](https://hackaday.com/2024/08/30/this-week-in-security-the-rest-of-the-ipv6-story-cve-hunting-and-hack ... ⌘ [Read more](https://hackaday.com/2024/08/30/this-week-in-security-the-rest-of-the-ipv6-story-cve-hunting-and-hacking-the-tsa/) 2024-08-30T15:30:06Z **Online Game Becomes Unexpected PixelFlut**
![](https://hackaday.com/wp-content/uploads/2024/08/pixelflut-featured.jpg?w=800)

Blink and you could have missed it, but a viral sensation for a few weeks this summer was One Million Checkboxes, a web page with as you might expect, a […read more](https://hackaday.com/2024/08/30/online-game-becomes-unexpected-pixelflut/) ⌘ [Read more](https://hackaday.com/2024/08/30/online-game-becomes-unexpected-pixelflut/) 2024-08-30T17:00:00Z **Is That Antenna Allowed? The Real Deal on the FCCs OTARD Rule**
![](https://hackaday.com/wp-content/uploads/2024/08/antenna.jpeg?w=800)

The Hackaday comments section is generally a lively place. At its best, it’s an endless wellspring of the combined engineering wisdom of millions of readers which serves to advance the […read more](https://hackaday.com/2024/08/30/is-that-antenna-allowed-the-real-deal-on-the-fccs-otard-rule/) ⌘ [Read more](https://hackaday.com/2024/08/30/is-that-antenna-allowed-the-real-deal-on-the-fccs-otard-rule/) 2024-08-30T18:30:39Z **Hackaday Podcast Episode 286: Showing off SAOs, Hiding from HOAs, and Beautiful Byproducts**
![](https://hackaday.com/wp-content/uploads/2016/05/microphone.jpg?w=800)

Even when the boss is away, the show must go on, so Dan slid back behind the guest mic and teamed up with Tom to hunt down the freshest of […read more](https://hackaday.com/2024/08/30/hackaday-podcast-episode-286-showing-off-saos-hiding-from-hoas-and-beautiful-byproducts/) ⌘ [Read more](https://hackaday.com/2024/08/30/hackaday-podcast-episode-286-showing-off-saos-hiding-from-hoas-and-beautiful-byproducts/) 2024-08-30T20:00:00Z **2024 Tiny Games Contest: Realistic Steering Wheel Joystick In Miniature**
![](https://hackaday.com/wp-content/uploads/2024/08/steering-controller-main.png?w=800)

For racing games, flight simulators, and a few other simulation-style games, a simple controller just won’t do. You want something that looks and feels closer to the real thing. The […read more](https://hackaday.com/2024/08/30/realistic-steering-wheel-joystick-in-miniature/) ⌘ [Read more](https://hackaday.com/2024/08/30/realistic-steering-wheel-joystick-in-miniature/) 2024-08-30T23:00:03Z **Dual-Port RAM For a Simple VGA Card**
![](https://hackaday.com/wp-content/uploads/2024/08/dual-port-vga-featured.jpg?w=800)

Making microcontrollers produce video has long been a staple of hardware hacking, but as the resolution goes up, it becomes a struggle for less capable silicon. To get higher resolution […read more](https://hackaday.com/2024/08/30/dual-port-ram-for-a-simple-vga-card/) ⌘ [Read more](https://hackaday.com/2024/08/30/dual-port-ram-for-a-simple-vga-card/) 2024-08-31T02:00:15Z **Symmetrical Gear Spins One-Way, Harvesting Surrounding Chaos**
![](https://hackaday.com/wp-content/uploads/2024/08/brownian-ratchet.png?w=800)

Here’s a novel ratchet mechanism developed by researchers that demonstrates how a single object — in this case a gear shaped like a six-pointed star — can rectify the disordered […read more](https://hackaday.com/2024/08/30/symmetrical-gear-spins-one-way-harvesting-surrounding-chaos/) ⌘ [Read more](https://hackaday.com/2024/08/30/symmetrical-gear-spins-one-way-harvesting-surrounding-chaos/) 2024-08-31T05:00:49Z **Putting a Pi in a Container**
![](https://hackaday.com/wp-content/uploads/2024/08/docker-main.png?w=800)

Docker and other containerization applications have changed a lot about the way that developers create new software as well as how they maintain virtual machines. Not only does containerization reduce […read more](https://hackaday.com/2024/08/30/putting-a-pi-in-a-container/) ⌘ [Read more](https://hackaday.com/2024/08/30/putting-a-pi-in-a-container/) 2024-08-31T08:00:06Z **The Computer We All Wish We’d Had In The 8-Bit Era**
![](https://hackaday.com/wp-content/uploads/2024/08/isetta-featured.jpg?w=800)

The 8-bit home computers of yore that we all know and love, without exception as far as we are aware, had an off the shelf microprocessor at heart. In 1983 […read more](https://hackaday.com/2024/08/31/the-computer-we-all-wish-wed-had-in-the-8-bit-era/) ⌘ [Read more](https://hackaday.com/2024/08/31/the-computer-we-all-wish-wed-had-in-the-8-bit-era/) 2024-08-31T11:00:00Z **Universal Power Bank Customized To Your Liking**
![](https://hackaday.com/wp-content/uploads/2024/08/power-bank-main.jpg?w=800)

One of the most troubling trends of almost every modern consumer product that uses electricity is that the software that controls the product is likely to be proprietary and closed-source, […read more](https://hackaday.com/2024/08/31/universal-power-bank-customized-to-your-liking/) ⌘ [Read more](https://hackaday.com/2024/08/31/universal-power-bank-customized-to-your-liking/) 2024-08-31T14:00:32Z **Make Your Own Point Contact Transistor**
![](https://hackaday.com/wp-content/uploads/2024/08/point-contact-featured.jpg?w=800)

Beyond the power variant, it sometimes seems as though we rarely encounter a discrete transistor these days, such has been the advance of integrated electronics. But they have a rich […read more](https://hackaday.com/2024/08/31/make-your-own-point-contact-transistor/) ⌘ [Read more](https://hackaday.com/2024/08/31/make-your-own-point-contact-transistor/) 2024-08-31T17:00:03Z **Taking a Spirograph Mill for a Spin**
![A milling machine with an attached pantograph following the various intricate patterns of a spirograph on the bench next to it. The spirograph is a series of acrylic gears and brass connecting bars mounted on a wooden base.](https://hackaday.com/wp-content/uploads/2024/08/What-Happens-When-You-Use-a-Kids-Toy-on-a-Milling-Machine-YouTube-0-12-56.jpeg?w=800)

Spirographs can make some pretty groovy designs on paper, but what if you want to take it a step further? ... ⌘ [Read more](https://hackaday.com/2024/08/31/taking-a-spirograph-mill-for-a-spin/) 2024-08-31T20:00:01Z **2024 Tiny Games Contest: ATtinyBoy Does It with Tiny Cartridges**
![Left: the ATtinyBoy and cartridges inside a custom case. Right: ATTinyBoy under the hood.](https://hackaday.com/wp-content/uploads/2024/08/attinyboy-800.jpg?w=800)

What is it about tangible media? There’s just something neat about having an individual thing that represents each game, each album, each whatever. Sure, you can have a little console […read more](https://hackaday.com/2024/08/31/2024-tiny-games-c ... ⌘ [Read more](https://hackaday.com/2024/08/31/2024-tiny-games-contest-attinyboy-does-it-with-tiny-cartridges/) 2024-08-31T23:00:15Z **The Trashiest Of Mains Inverters**
![](https://hackaday.com/wp-content/uploads/2024/08/rotary-inverter-featured.jpg?w=800)

Switch-mode technology has made inverters which take a low DC voltage and turn it into a usable mains voltage within the reach of everybody. But still, there might be moments […read more](https://hackaday.com/2024/08/31/the-trashiest-of-mains-inverters/) ⌘ [Read more](https://hackaday.com/2024/08/31/the-trashiest-of-mains-inverters/) 2024-09-01T02:00:54Z **Your Name In Landsat**
![](https://hackaday.com/wp-content/uploads/2024/08/name-in-landsat-featured.jpg?w=800)

We’re guessing most readers can cite things from their youth which gave them an interest in technology, and spurred on something which became a career or had a profound impact […read more](https://hackaday.com/2024/08/31/your-name-in-landsat/) ⌘ [Read more](https://hackaday.com/2024/08/31/your-name-in-landsat/) 2024-09-01T05:00:55Z **CCFL Scanner Bulb Makes a Cool Desk Lamp**
![](https://hackaday.com/wp-content/uploads/2024/08/AnalogLampMain-e1725135146318.png?w=800)

The bulbs inside scanners (before transitioning to LED, anyway) were cold cathode fluorescent tubes that emit a fairly wide bandwidth of light. They were purpose-built to produce a very specific […read more](https://hackaday.com/2024/08/31/ccfl-scanner-bulb-makes-a-cool-desk-lamp/) ⌘ [Read more](https://hackaday.com/2024/08/31/ccfl-scanner-bulb-makes-a-cool-desk-lamp/) 2024-09-01T08:00:39Z **CL-32: The Minimum Possible For a Useful Handheld Computer**
![](https://hackaday.com/wp-content/uploads/2024/08/cl32-featured.jpg?w=800)

For almost as long as there have been microcomputers, there have been attempts with varying success to make tiny handheld microcomputers. Sometimes these have been very good, and other times […read more](https://hackaday.com/2024/09/01/cl-32-the-minimum-possible-for-a-useful-handheld-computer/) ⌘ [Read more](https://hackaday.com/2024/09/01/cl-32-the-minimum-possible-for-a-useful-handheld-computer/) 2024-09-01T11:00:50Z **An Attractive Magnet Insertion Tool**
![Two tools for placing magnets with ease, one for each polarity.](https://hackaday.com/wp-content/uploads/2024/08/magnet-tool-800.jpeg?w=800)

Magnets are pretty nice little tools. [EmGi] has used them in many a cool 3D printed build with great success. But getting them where you want can be really tricky. […read more](https://hackaday.com/2024/09/01/an-attractive-magnet-insertion-tool/) ⌘ [Read more](https://hackaday.com/2024/09/01/an-attractive-magnet-insertion-tool/) 2024-09-01T14:00:17Z **Swiss Researchers May Have Solved Hydrogen Storage**
![](https://hackaday.com/wp-content/uploads/2024/08/swiss-h2-featured.jpg?w=800)

If you follow the world of clean energy, you will probably have read all about the so-called hydrogen future and the hydrogen economy. The gas can easily be made from […read more](https://hackaday.com/2024/09/01/swiss-researchers-may-have-solved-hydrogen-storage/) ⌘ [Read more](https://hackaday.com/2024/09/01/swiss-researchers-may-have-solved-hydrogen-storage/) 2024-09-01T17:00:46Z **3D Printed Homes Are All the Hype, but What is Their Real Impact?**
![The BioHome3D by University of Maine.](https://hackaday.com/wp-content/uploads/2024/08/biohome3D_maine_house-7472-Large-1024x682-1.jpeg?w=800)

Additive manufacturing (AM) has been getting a lot of attention over the years, with its use in construction a recurring theme. Generally this brings to mind massive 3D printers that […read more](https://hackaday.com/2024/09/01/3d-printed-homes-are-all-the-hype-bu ... ⌘ [Read more](https://hackaday.com/2024/09/01/3d-printed-homes-are-all-the-hype-but-what-is-their-real-impact/) 2024-09-01T20:00:39Z **Film, As You Have Never Had It Explained Before**
![](https://hackaday.com/wp-content/uploads/2024/08/film-formats-featured.jpg?w=800)

For all the advances in digital photography, there remains a mystique for photographers and filmmakers about chemical film. Using it presents an artistic and technical challenge, and it lends an […read more](https://hackaday.com/2024/09/01/film-as-you-have-never-had-it-explained-before/) ⌘ [Read more](https://hackaday.com/2024/09/01/film-as-you-have-never-had-it-explained-before/) 2024-09-01T23:00:08Z **Hackaday Links: September 1, 2024**
![Hackaday Links Column Banner](https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800)

Why is it always a helium leak? It seems whenever there’s a scrubbed launch or a narrowly averted disaster, space exploration just can’t get past the problems of helium plumbing. […read more](https://hackaday.com/2024/09/01/hackaday-links-september-1-2024/) ⌘ [Read more](https://hackaday.com/2024/09/01/hackaday-links-september-1-2024/) 2024-09-02T02:00:09Z **VR Headset with HDMI Input Invites a New Kind of Cyberdeck**
![](https://hackaday.com/wp-content/uploads/2024/08/RPi400-Cyberdeck-VR.jpg?w=800)

Meta’s Quest VR headset recently got the ability to accept and display video over USB-C, and it’s started some gears turning in folks’ heads. [Ian Hamilton] put together a quick […read more](https://hackaday.com/2024/09/01/vr-headset-with-hdmi-input-invites-a-new-kind-of-cyberdeck/) ⌘ [Read more](https://hackaday.com/2024/09/01/vr-headset-with-hdmi-input-invites-a-new-kind-of-cyberdeck/) 2024-09-02T05:00:00Z **A Mini NUC Rack for Your Desktop**
![An adorable mini rack for NUCs, plus a 5-port switch.](https://hackaday.com/wp-content/uploads/2024/08/mini-rack-800_58dd9c.jpg?w=800)

We (well, some of us) are complete suckers for things that are both much smaller and much larger than life. And if that thing actually does what its supposed to? […read more](https://hackaday.com/2024/09/01/a-mini-nuc-rack-for-your-desktop/) ⌘ [Read more](https://hackaday.com/2024/09/01/a-mini-nuc-rack-for-your-desktop/) 2024-09-02T08:00:05Z **Ultra-Black Material, Sustainably Made from Wood**
![](https://hackaday.com/wp-content/uploads/2024/08/UBC-researchers-create-a-new-super-black-material-2-5-screenshot.png?w=665)

Researchers at the University of British Columbia leveraged an unusual discovery into ultra-black material made from wood. The deep, dark black is not the result of any sort of dye […read more](https://hackaday.com/2024/09/02/ultra-black-material-sustainably-made-from-wood/) ⌘ [Read more](https://hackaday.com/2024/09/02/ultra-black-material-sustainably-made-from-wood/) 2024-09-02T11:00:00Z **The Strangest Way to Stick PLA to Glass? With a Laser and a Bit of Foil**
![](https://hackaday.com/wp-content/uploads/2024/08/Laser-welding-PLA-to-glass-with-Al-1.png?w=592)

Ever needed a strong yet adhesive-free way to really stick PLA to glass? Neither have we, but nevertheless there’s a way to use aluminum foil and an IR fiber laser […read more](https://hackaday.com/2024/09/02/the-strangest-way-to-stick-pla-to-glass-with-a-laser-and-a-bit-of-foil/) ⌘ [Read more](https://hackaday.com/2024/09/02/the-strangest-way-to-stick-pla-to-glass-with-a-laser-and-a-bit-of-foil/) 2024-09-02T14:00:57Z **Spiders Are Somehow Hacking Fireflies to Lure More Victims**
![](https://hackaday.com/wp-content/uploads/2024/08/Spiders-hacking-fireflies.jpg?w=800)

What happens when an unfortunate bug ends up in a spider’s web? It gets bitten and wrapped in silk, and becomes a meal. But if the web belongs to an […read more](https://hackaday.com/2024/09/02/spiders-are-somehow-hacking-fireflies-to-lure-more-victims/) ⌘ [Read more](https://hackaday.com/2024/09/02/spiders-are-somehow-hacking-fireflies-to-lure-more-victims/) 2024-09-02T17:00:46Z **2024 Tiny Games Contest: Morse Quest Goes Where You Do**
![The Morse Quest game in semi-darkness to show off the dit-dahing light.](https://hackaday.com/wp-content/uploads/2024/08/morse-quest-800.jpeg?w=800)

Do you know Morse code already? Or are you maybe trying to learn so you can be an old school ham? Either way, you could have a lot of fun […read more](https://hackaday.com/2024/09/02/2024-tiny-games-contest-morse-quest-goes-where-you-do/) ⌘ [Read more](https://hackaday.com/2024/09/02/2024-tiny-games-contest-morse-quest-goes-where-you-do/) 2024-09-02T20:00:58Z **A Digital Replacement For Your Magic Eye**
![](https://hackaday.com/wp-content/uploads/2024/09/Digital-6U5-magic-eye-replica-vs.-genuine-6U5.-0-36-screenshot-1.png?w=800)

Magic Eye tubes were popular as tuning guides on old-school radio gear. However, the tubes, the 6U5 model in particular, have become rare and remarkably hard to come by of […read more](https://hackaday.com/2024/09/02/a-digital-replacement-for-your-magic-eye/) ⌘ [Read more](https://hackaday.com/2024/09/02/a-digital-replacement-for-your-magic-eye/) 2024-09-02T23:00:39Z **Video Baby Monitor Repair Uncovers Private Data**
![](https://hackaday.com/wp-content/uploads/2024/09/babycam_feat.jpg?w=800)

As the name of the channel implies, [BuyItFixIt] likes to pick up cheap gadgets that are listed as broken and try to repair them. It’s a pastime we imagine many […read more](https://hackaday.com/2024/09/02/video-baby-monitor-repair-uncovers-private-data/) ⌘ [Read more](https://hackaday.com/2024/09/02/video-baby-monitor-repair-uncovers-private-data/) 2024-09-03T02:00:43Z **Big Benchy Is a Boat That Really Boats**
![](https://hackaday.com/wp-content/uploads/2024/09/I-3D-Printed-a-Boat-Worlds-Largest-Benchy-8-58-screenshot.png?w=800)

Benchy is that cute little boat that everyone uses to calibrate their 3D printer. [Emily The Engineer] asked the obvious question—why isn’t it a real working boat? Then she followed […read more](https://hackaday.com/2024/09/02/big-benchy-is-a-boat-that-really-boats/) ⌘ [Read more](https://hackaday.com/2024/09/02/big-benchy-is-a-boat-that-really-boats/) 2024-09-03T05:00:32Z **Building a Stylish iPhone Standby Dock**
![](https://hackaday.com/wp-content/uploads/2024/09/2024-08-31_dadae1c3cf3ec-1-e1725264028624.webp?w=800)

[Scott Yu-Jan] is a big fan of the iPhone’s standby mode. Put the phone on charge horizontally, and it looks all stylish, with sleek widgets and clocks and stuff showing […read more](https://hackaday.com/2024/09/02/building-a-stylish-iphone-standby-dock/) ⌘ [Read more](https://hackaday.com/2024/09/02/building-a-stylish-iphone-standby-dock/) 2024-09-03T08:00:00Z **3D Printed RC Crane Has Epic 3-Foot Reach**
![](https://hackaday.com/wp-content/uploads/2024/09/3D-Printed-RC-Crane-DIY-0-4-screenshot.png?w=800)

Have you ever looked out the window at traffic and seen a giant crane driving alone the road? Have you ever wanted a little 3D printed version you could drive […read more](https://hackaday.com/2024/09/03/3d-printed-rc-crane-has-epic-3-foot-reach/) ⌘ [Read more](https://hackaday.com/2024/09/03/3d-printed-rc-crane-has-epic-3-foot-reach/) 2024-09-03T11:00:00Z **Portable Multi-SDR Rig Keeps Your Radios Cool**
![](https://hackaday.com/wp-content/uploads/2024/09/sdrsolo_feat.jpg?w=800)

With as cheap and versatile as RTL-SDR devices are, it’s a good idea to have a couple of them on hand for some rainy day hacking. In fact, depending on […read more](https://hackaday.com/2024/09/03/portable-multi-sdr-rig-keeps-your-radios-cool/) ⌘ [Read more](https://hackaday.com/2024/09/03/portable-multi-sdr-rig-keeps-your-radios-cool/) 2024-09-03T14:00:36Z **A Windows Control Panel Retrospective Amidst a Concerning UX Shift**
![](https://hackaday.com/wp-content/uploads/2022/07/Windows98.jpg?w=800)

Once the nerve center of Windows operating systems, the Control Panel and its multitude of applets has its roots in the earliest versions of Windows. From here users could use […read more](https://hackaday.com/2024/09/03/a-windows-control-panel-retrospective-amidst-a-concerning-ux-shift/) ⌘ [Read more](https://hackaday.com/2024/09/03/a-windows-control-panel-retrospective-amidst-a-concerning-ux-shift/) 2024-09-03T17:00:13Z **Supercon 2023: Teaching Robots How to Learn**
![](https://hackaday.com/wp-content/uploads/2024/08/Shawn-Hymel_-Tiny-Reinforcement-Learning-in-Robotics-13-48-screenshot-e1724722661370.png?w=800)

Once upon a time, machine learning was an arcane field, the preserve of a precious few researchers holed up in grand academic institutions. Progress was slow, and hard won. Today, […read more](https://hackaday.com/2024/09/03/supercon-2023-teaching-robots-how-to-learn/) ⌘ [Read more](https://hackaday.com/2024/09/03/supercon-2023-teaching-robots-how-to-learn/) 2024-09-03T18:30:57Z **Mowing the Lawn With Lasers, For Science**
![](https://hackaday.com/wp-content/uploads/2024/09/mowing_grass_with_lasers_allen_pan.jpg?w=800)

Wouldn’t it be cool if you could cut the grass with lasers? Everyone knows that lasers are basically magic, and if you strap a diode laser or two to a […read more](https://hackaday.com/2024/09/03/mowing-the-lawn-with-lasers-for-science/) ⌘ [Read more](https://hackaday.com/2024/09/03/mowing-the-lawn-with-lasers-for-science/) 2024-09-03T20:00:07Z **A Clean Linux Installation For an Android TV Box**
![](https://hackaday.com/wp-content/uploads/2024/09/rk3566-main.jpg?w=800)

Although Android technically runs on top of Linux, generally most Android devices abstract away the underlying Linux-ness of these machines. In theory this is a good thing; we wouldn’t necessarily […read more](https://hackaday.com/2024/09/03/a-clean-linux-installation-for-an-android-tv-box/) ⌘ [Read more](https://hackaday.com/2024/09/03/a-clean-linux-installation-for-an-android-tv-box/) 2024-09-03T23:00:53Z **2024 Tiny Games Contest: Batch Craze Is Portable Charades, Kind Of**
![A small handheld word game called Batch Craze, where one player tries to get another to guess the word on the screen.](https://hackaday.com/wp-content/uploads/2024/09/batch-craze-800.jpeg?w=800)

So there’s this commercial electronic game out there called Catch Phrase, which, as the game’s own catch phrase explains, is the game that’s played one word at a time. See, […read more](https://hackaday.com/202 ... ⌘ [Read more](https://hackaday.com/2024/09/03/2024-tiny-games-contest-batch-craze-is-portable-charades-kind-of/) 2024-09-04T02:00:00Z **A Nibble Of Core Memory, In An SAO**
![](https://hackaday.com/wp-content/uploads/2024/09/core-memory-featured.jpg?w=800)

Core memory, magnetised memory using tiny magnetic rings suspended on a grid of wires, is now more than five decades obsolete, yet it exerts a fascination for hardware hackers still. […read more](https://hackaday.com/2024/09/03/a-nibble-of-core-memory-in-an-sao/) ⌘ [Read more](https://hackaday.com/2024/09/03/a-nibble-of-core-memory-in-an-sao/) 2024-09-04T05:00:00Z **College Gives You Practical Electronics**
![](https://hackaday.com/wp-content/uploads/2024/09/newhall.png?w=800)

While classroom learning isn’t for everyone, one awesome benefit of the Internet is that you have a variety of college classes available to you, even if they aren’t for credit. […read more](https://hackaday.com/2024/09/03/college-gives-you-practical-electronics/) ⌘ [Read more](https://hackaday.com/2024/09/03/college-gives-you-practical-electronics/) 2024-09-04T08:00:33Z **OpenSCAD Library Creates QR Codes on the Fly**
![](https://hackaday.com/wp-content/uploads/2024/09/scadqr_feat.jpg?w=800)

If you’ve been reading Hackaday for awhile, you’ll know we’re big fans of OpenSCAD around these parts. There’s a number of reasons it’s a tool we often reach for, but […read more](https://hackaday.com/2024/09/04/openscad-library-creates-qr-codes-on-the-fly/) ⌘ [Read more](https://hackaday.com/2024/09/04/openscad-library-creates-qr-codes-on-the-fly/) 2024-09-04T11:00:53Z **Multi-Material Printing Enables Low Cost Silicone Prototypes**
![](https://hackaday.com/wp-content/uploads/2024/09/openresp_feat.jpg?w=800)

While it’s the ideal choice for mass production, injection molding is simply no good for prototyping. The molds are expensive and time-consuming make, so unless you’ve got the funding to […read more](https://hackaday.com/2024/09/04/multi-material-printing-enables-low-cost-silicone-prototypes/) ⌘ [Read more](https://hackaday.com/2024/09/04/multi-material-printing-enables-low-cost-silicone-prototypes/) 2024-09-04T14:00:52Z **3D Printering: Switch and Klip(per)**
![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)

Last time I tried to convince you that, if you haven’t already, you should try running your 3D printer with Klipper. There are several ways to actually make it work. […read more](https://hackaday.com/2024/09/04/3d-printering-switch-and-klipper/) ⌘ [Read more](https://hackaday.com/2024/09/04/3d-printering-switch-and-klipper/) 2024-09-04T17:00:07Z **Boss Byproducts: the Terrible Beauty of Trinitite**
![](https://hackaday.com/wp-content/uploads/2024/09/trinitite_feat.jpg?w=800)

While some byproducts recall an idyllic piece of Americana, others remind us that the past is not always so bright and cheerful. Trinitite, created unintentionally during the development of the […read more](https://hackaday.com/2024/09/04/boss-byproducts-the-terrible-beauty-of-trinitite/) ⌘ [Read more](https://hackaday.com/2024/09/04/boss-byproducts-the-terrible-beauty-of-trinitite/) 2024-09-04T18:30:59Z **FLOSS Weekly Episode 799: Still Open Source at Percona**
![](https://hackaday.com/wp-content/uploads/2021/06/Pipewire.jpg?w=800)

This week Jonathan Bennett chats with Lori Lorusso and Steve Hoffman, the Head of Community and SVP of engineering at Percona, the open source database experts. https://www.percona.com/ Did you know […read more](https://hackaday.com/2024/09/04/floss-weekly-episode-799-still-open-source-at-percona/) ⌘ [Read more](https://hackaday.com/2024/09/04/floss-weekly-episode-799-still-open-source-at-percona/) 2024-09-04T20:00:08Z **The Worsening Raspberry Pi RP2350 E9 Erratum Situation**
![](https://hackaday.com/wp-content/uploads/2024/08/89ded667f4663b35.jpg?w=800)

There’s currently a significant amount of confusion around the full extent of the GPIO hardware issue in the Raspberry Pi RP2350 microcontroller, with [Ian] over at [Dangerous Prototypes] of Bus […read more](https://hackaday.com/2024/09/04/the-worsening-raspberry-pi-rp2350-e9-erratum-situation/) ⌘ [Read more](https://hackaday.com/2024/09/04/the-worsening-raspberry-pi-rp2350-e9-erratum-situation/) 2024-09-04T23:00:08Z **Humble 555 Gets a Boost for ESR Meter**
![](https://hackaday.com/wp-content/uploads/2024/09/schematic.png?w=800)

[Peter Demchenko] wanted to use a low power TS555 in an ESR meter design. The problem is, he needed to handle significant current sink requirements for cases where the capacitor […read more](https://hackaday.com/2024/09/04/humble-555-gets-a-boost-for-esr-meter/) ⌘ [Read more](https://hackaday.com/2024/09/04/humble-555-gets-a-boost-for-esr-meter/) 2024-09-05T02:00:18Z **Floorboard Is a Keyboard for Your Feet**
![A keyboard built into a commercial foot rest.](https://hackaday.com/wp-content/uploads/2024/09/footstool-keyboard-800.jpg?w=785)

Whether you have full use of your hands or not, a foot-operated keyboard is a great addition to any setup. Of course, it has to be a lot more robust […read more](https://hackaday.com/2024/09/04/floorboard-is-a-keyboard-for-your-feet/) ⌘ [Read more](https://hackaday.com/2024/09/04/floorboard-is-a-keyboard-for-your-feet/) 2024-09-05T05:00:00Z **How Sony Mastered the Transistor**
![](https://hackaday.com/wp-content/uploads/2024/09/tran.png?w=800)

When you think of Sony, you probably think of a technology company that’s been around forever. However, as [Asianometry] points out, it really formed in the tough years after World […read more](https://hackaday.com/2024/09/04/how-sony-mastered-the-transistor/) ⌘ [Read more](https://hackaday.com/2024/09/04/how-sony-mastered-the-transistor/) 2024-09-05T08:00:01Z **Tactile Communication Board Speaks the Truth**
![A client uses an Augmented Alternative Communication board that speaks.](https://hackaday.com/wp-content/uploads/2024/09/AAC-board-main.jpg?w=800)

Sometimes, simple things can make a world of difference. Take for example a non-verbal person who can’t necessarily control a touch screen in order to tell someone else what they […read more](https://hackaday.com/2024/09/05/tactile-communication-board-speaks-the-truth/) ⌘ [Read more](https://hackaday.com/2024/09/05/tactile-communication-board-speaks-the-truth/) 2024-09-05T11:00:58Z **Getting Root on Cheap WiFi Repeaters, the Long Way Around**
![](https://hackaday.com/wp-content/uploads/2024/09/IMG_1416_0_0.jpeg?w=550)

What can you do with a cheap Linux machine with limited flash and only a single free GPIO line? Probably not much, but sometimes, just getting root to prove you […read more](https://hackaday.com/2024/09/05/getting-root-on-cheap-wifi-repeaters-the-long-way-around/) ⌘ [Read more](https://hackaday.com/2024/09/05/getting-root-on-cheap-wifi-repeaters-the-long-way-around/) 2024-09-05T14:00:42Z **I2C For Hackers: Digging Deeper**
![](https://hackaday.com/wp-content/uploads/2016/07/i2c_montage.png?w=800)

Last time, I gave you an overview of what you get from I2C, basics like addressing, interface speeds, and a breakdown of pullups. Today, let’s continue looking into I2C capabilities […read more](https://hackaday.com/2024/09/05/i2c-for-hackers-digging-deeper/) ⌘ [Read more](https://hackaday.com/2024/09/05/i2c-for-hackers-digging-deeper/) 2024-09-05T15:30:46Z **Launching Model Airplanes With a Custom Linear Induction Motor**
![](https://hackaday.com/wp-content/uploads/2024/09/electromagnetic_launcher_tom_stanton.jpg?w=800)

Launching things with electromagnetism is pretty fun, with linear induction motors being a popular design that finds use from everywhere in hobby designs like [Tom Stanton]’s to the electromagnetic launchers […read more](https://hackaday.com/2024/09/05/launching-model-airplanes-with-a-custom-linear-induction-mot ... ⌘ [Read more](https://hackaday.com/2024/09/05/launching-model-airplanes-with-a-custom-linear-induction-motor/) 2024-09-05T17:00:52Z **If Wood Isn’t The Biomass Answer, What Is?**
![](https://hackaday.com/wp-content/uploads/2024/08/drax-towers-featured.jpg?w=800)

As we slowly wean ourselves away from our centuries-long love affair with fossil fuels in an attempt to reduce CO2 emissions and combat global warming, there has been a rapid […read more](https://hackaday.com/2024/09/05/if-wood-isnt-the-biomass-answer-what-is/) ⌘ [Read more](https://hackaday.com/2024/09/05/if-wood-isnt-the-biomass-answer-what-is/) 2024-09-05T20:00:08Z **High-Speed Jelly Launcher Destroys Toast**
![](https://hackaday.com/wp-content/uploads/2024/09/I-Made-a-Cannon-That-Fires-Condiments-14-31-screenshot.png?w=800)

You shouldn’t play with your food. Unless you’re designing some kind of portable cannon to fling it across the room. That’s precisely what [Backhaul Studios] did. The first step of […read more](https://hackaday.com/2024/09/05/high-speed-jelly-launcher-destroys-toast/) ⌘ [Read more](https://hackaday.com/2024/09/05/high-speed-jelly-launcher-destroys-toast/) 2024-09-05T23:00:21Z **It’s Spreadsheets All The Way Down for This 80s Handheld**
![](https://hackaday.com/wp-content/uploads/2024/09/spreadsheet-main-e1725564023469.jpg?w=800)

Unlike the today’s consumer computer market, the 1980s were the wild west in comparison. There were all kinds of different, incompatible operating systems, hardware, and programs, all competing against one […read more](https://hackaday.com/2024/09/05/its-spreadsheets-all-the-way-down-for-this-80s-handheld/) ⌘ [Read more](https://hackaday.com/2024/09/05/its-spreadsheets-all-the-way-down-for-this-80s-handheld/) 2024-09-06T02:00:15Z **Build A Super Cheap RC Trainer Plane With Foam**
![](https://hackaday.com/wp-content/uploads/2024/09/5-Trainer-Build-Techniques-7-9-screenshot.png?w=800)

Once upon a time, RC planes were expensive models that took months to build and big money to equip with electronics. Since the 20th century though, powerful batteries have become […read more](https://hackaday.com/2024/09/05/build-a-super-cheap-rc-trainer-plane-with-foam/) ⌘ [Read more](https://hackaday.com/2024/09/05/build-a-super-cheap-rc-trainer-plane-with-foam/) 2024-09-06T05:00:58Z **Build Yourself A Beautiful Interactive Light Toy**
![](https://hackaday.com/wp-content/uploads/2024/09/Making-a-Beautiful-Interactive-Light-Toy-1-30-screenshot.png?w=800)

Sometimes, we build things with LEDs as indicator lamps or to illuminate something important. Sometimes, we build things with LEDs purely to glow and be beautiful. This interactive light toy […read more](https://hackaday.com/2024/09/05/build-yourself-a-beautiful-interactive-light-toy/) ⌘ [Read more](https://hackaday.com/2024/09/05/build-yourself-a-beautiful-interactive-light-toy/) 2024-09-06T08:00:51Z **Jump Cacti With an LDR and a Pico**
![A light-dependent resistor detects cacti in the Google Chrome Offline Dinosaur game.](https://hackaday.com/wp-content/uploads/2024/09/offline-dinosaur-800.jpg?w=800)

By now, probably everyone is familiar with the “You’re Offline” dinosaur that stars in Google’s T. Rex game. You know — jump cacti, avoid pterodactyls. Repeat until you lose, or, […read more](https://hackaday.com/2024/09/06/jump-cacti-with-an-ldr-and-a-pico/) ⌘ [Read more](https://hackaday.com/2024/09/06/jump-cacti-with-an-ldr-and-a-pico/) 2024-09-06T11:00:15Z **3D Print Yourself These Mini Workshop Tools**
![](https://hackaday.com/wp-content/uploads/2024/09/3d-sanding-machine.webp?w=800)

Kitting out a full workshop can be expensive, but if you’re only working on small things, it can also be overkill. Indeed, if your machining tends towards the miniature, consider […read more](https://hackaday.com/2024/09/06/3d-print-yourself-these-mini-workshop-tools/) ⌘ [Read more](https://hackaday.com/2024/09/06/3d-print-yourself-these-mini-workshop-tools/) 2024-09-06T14:00:28Z **This Week in Security: EUCLEAK, Revival Hijack, and More**
![](https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800)

[Thomas Roche] of NinjaLab is out with EUCLEAK, (pdf) a physical attack against Infineon security microcontrollers, and the security tokens that contain them. The name is a portmanteau of Euclidean […read more](https://hackaday.com/2024/09/06/this-week-in-security-eucleak-revival-hijack-and-more/) ⌘ [Read more](https://hackaday.com/2024/09/06/this-week-in-security-eucleak-revival-hijack-and-more/) 2024-09-06T15:00:00Z **An Electric Skateboard for the Dogs**
![A photo of a white dog with curly fur riding a black skateboard with grey motors under the front deck. There are blue squares on the top of the deck that she is standing on to steer the board.](https://hackaday.com/wp-content/uploads/2024/09/Are-electric-skateboards-for-dogs-a-bad-idea_-YouTube-0-10-41-1.jpeg?w=800)

What’s a dog to do if they want to do some accessible skateboarding? [Simone Giertz]’s three-legged pup, [Scraps], got the chance to try a LEGO Tec ... ⌘ [Read more](https://hackaday.com/2024/09/06/an-electric-skateboard-for-the-dogs/) 2024-09-06T16:00:32Z **Hackaday Podcast Episode 287: Raspberry Pi Woes, Blacker than Black, and Printing with Klipper**
![](https://hackaday.com/wp-content/uploads/2016/05/microphone.jpg?w=800)

Elliot Williams is back from vacation, and he and Al Williams got together to talk about the best Hackaday posts from the last week. Of course, the Raspberry Pi RP2350 […read more](https://hackaday.com/2024/09/06/hackaday-podcast-episode-287-raspberry-pi-woes-blacker-than-black ... ⌘ [Read more](https://hackaday.com/2024/09/06/hackaday-podcast-episode-287-raspberry-pi-woes-blacker-than-black-and-printing-with-klipper/) 2024-09-06T17:00:15Z **Ask Hackaday, What’s Next?**
![](https://hackaday.com/wp-content/uploads/2024/08/what-s-next-featured.jpg?w=800)

Writing for Hackaday involves drinking from the firehose of tech news, and seeing the latest and greatest of new projects and happenings in the world of hardware. But sometimes you […read more](https://hackaday.com/2024/09/06/ask-hackaday-whats-next/) ⌘ [Read more](https://hackaday.com/2024/09/06/ask-hackaday-whats-next/) 2024-09-06T18:30:00Z **How Much Resolution Does Film Really Have?**
![](https://hackaday.com/wp-content/uploads/2024/09/The-TRUE-Resolution-of-FILM-2-40-screenshot.png?w=800)

Have you ever scanned old negatives or print photographs? Then you’ve probably wondered about the resolution of your scanner, versus the resolution of what you’re actually scanning. Or maybe, you’ve […read more](https://hackaday.com/2024/09/06/how-much-resolution-does-film-really-have/) ⌘ [Read more](https://hackaday.com/2024/09/06/how-much-resolution-does-film-really-have/) 2024-09-06T20:00:04Z **An Automatic Cat Feeder Built With A 4060 Binary Counter**
![](https://hackaday.com/wp-content/uploads/2024/09/Homemade-automatic-dry-cat-food-feeder-0-29-screenshot.png?w=800)

We’ve seen a great many cat feeders over the years. Some rely on the Internet of Things, and some rely on fancy microcontrollers. [Larry Cook], on the other hand, built […read more](https://hackaday.com/2024/09/06/an-automatic-cat-feeder-built-with-a-4060-binary-counter/) ⌘ [Read more](https://hackaday.com/2024/09/06/an-automatic-cat-feeder-built-with-a-4060-binary-counter/) 2024-09-06T23:00:04Z **Hot Water Heater Hacked To Run On Solar Juice**
![](https://hackaday.com/wp-content/uploads/2024/09/Screenshot-2024-09-05-193423-e1725528905393.png?w=800)

It’s 2024, and there’s no getting around it. Grid energy is expensive. [Darrell] realized that a lot of his money was going on water heating, and he came up with […read more](https://hackaday.com/2024/09/06/hot-water-heater-hacked-to-run-on-solar-juice/) ⌘ [Read more](https://hackaday.com/2024/09/06/hot-water-heater-hacked-to-run-on-solar-juice/) 2024-09-07T02:00:46Z **Bluetooth Version 6.0 Core Specification Released**
![](https://hackaday.com/wp-content/uploads/2024/09/bluetooth_aoa_and_aod_methods.jpg?w=800)

The Bluetooth SIG recently released the core specification for version 6.0 of Bluetooth. Compared to 5.x, it contains a number of changes and some new features, the most interesting probably […read more](https://hackaday.com/2024/09/06/bluetooth-version-6-0-core-specification-released/) ⌘ [Read more](https://hackaday.com/2024/09/06/bluetooth-version-6-0-core-specification-released/) 2024-09-07T05:00:04Z **Getting Started With Polypropylene (PP) 3D Printing**
![](https://hackaday.com/wp-content/uploads/2019/06/filaments.jpeg?w=799)

Polypropylene (PP) is a thermoplastic that has a number of properties that sets it apart from other thermoplastics which see common use with 3D printing, including PLA, ABS and nylon […read more](https://hackaday.com/2024/09/06/getting-started-with-polypropylene-pp-3d-printing/) ⌘ [Read more](https://hackaday.com/2024/09/06/getting-started-with-polypropylene-pp-3d-printing/) 2024-09-07T08:00:35Z **Large Language Models on Small Computers**
![](https://hackaday.com/wp-content/uploads/2024/09/esp32-llm-main.jpg?w=800)

As technology progresses, we generally expect processing capabilities to scale up. Every year, we get more processor power, faster speeds, greater memory, and lower cost. However, we can also use […read more](https://hackaday.com/2024/09/07/large-language-models-on-small-computers/) ⌘ [Read more](https://hackaday.com/2024/09/07/large-language-models-on-small-computers/) 2024-09-07T11:00:39Z **Glowing Egg Is a One-Oeuf Solution for Tracking Cycles**
![A chicken's egg with many holes glows beneath a glass globe set atop an inverted wooden bowl.](https://hackaday.com/wp-content/uploads/2024/09/egg-timer-800.png?w=645)

Look, if something happened to you every three weeks or so to basically turn you into a different person and factored heavily into whether any new humans were created, you’d […read more](https://hackaday.com/2024/09/07/glowing-egg-is-a-one-oeuf-solution-for-t ... ⌘ [Read more](https://hackaday.com/2024/09/07/glowing-egg-is-a-one-oeuf-solution-for-tracking-cycles/) 2024-09-07T14:00:35Z **Fun and Failure**
![](https://hackaday.com/wp-content/uploads/2021/02/Bee.jpg?w=800)

My sister is a beekeeper, or maybe a meta-beekeper. She ends up making more money by breeding and selling new queen bees to other beekeepers than she does by selling […read more](https://hackaday.com/2024/09/07/fun-and-failure/) ⌘ [Read more](https://hackaday.com/2024/09/07/fun-and-failure/) 2024-09-07T17:00:42Z **Should You Run Servo Horns Or Direct Couplings In Your RC Planes?**
![](https://hackaday.com/wp-content/uploads/2024/09/Direct-Shaft-Coupling-VS-Stock-Horns-and-Arms-for-micro-servos-2-35-screenshot.png?w=800)

Whenever you buy a servo, it usually comes with a little baggie full of various plastic horns. Most of us pick our favorite and use it in our projects. Some […read more](https://hackaday.com/2024/09/07/should-you-run-servo-horns-or-direct-couplings-in-your-rc-planes ... ⌘ [Read more](https://hackaday.com/2024/09/07/should-you-run-servo-horns-or-direct-couplings-in-your-rc-planes/) 2024-09-07T20:00:55Z **Get Thee to Git**
![](https://hackaday.com/wp-content/uploads/2024/09/git.png?w=800)

While version control used to be reserved for big corporate projects, it is very mainstream these days. You can attribute much of that to Git, the software that has nearly […read more](https://hackaday.com/2024/09/07/get-thee-to-git/) ⌘ [Read more](https://hackaday.com/2024/09/07/get-thee-to-git/) 2024-09-07T23:00:32Z **Rendering Skin Transparent Using the Food Dye Tartrazine**
![](https://hackaday.com/wp-content/uploads/2024/09/science.adm6869-fa.jpg?w=800)

Although we generally assume that opacity is the normal look for animals like us humans, this factoid is only correct for as long as you maintain the dissimilar optical refraction […read more](https://hackaday.com/2024/09/07/rendering-skin-transparent-using-the-food-dye-tartrazine/) ⌘ [Read more](https://hackaday.com/2024/09/07/rendering-skin-transparent-using-the-food-dye-tartrazine/) 2024-09-08T02:00:17Z **Building a DIY MSX Mega Cartridge**
![](https://hackaday.com/wp-content/uploads/2024/09/oyanami-v1-pcb-view.png?w=500)

[Mike] from Leaded Solder has a soft spot for old computers, and a chance encounter with a friend sent them deep down the deep hole that is the world of […read more](https://hackaday.com/2024/09/07/building-a-diy-msx-mega-cartridge/) ⌘ [Read more](https://hackaday.com/2024/09/07/building-a-diy-msx-mega-cartridge/) 2024-09-08T05:00:14Z **How Hot is That Soldering Iron?**
![](https://hackaday.com/wp-content/uploads/2024/09/lite.png?w=800)

It is common these days to have a soldering iron where you can set the temperature using some sort of digital control. But how accurate is it? Probably pretty accurate, […read more](https://hackaday.com/2024/09/07/how-hot-is-that-soldering-iron/) ⌘ [Read more](https://hackaday.com/2024/09/07/how-hot-is-that-soldering-iron/) 2024-09-08T08:00:01Z **The Hidden Crystal Method**
![](https://hackaday.com/wp-content/uploads/2024/09/Screenshot-2024-09-07-193026.png?w=800)

Ever been working on a project and get stuck on one of those last little details?  That’s what happened to [Empire of Scrap].  He’s building an Ohio Scientific (OSI) superboard […read more](https://hackaday.com/2024/09/08/the-hidden-crystal-method/) ⌘ [Read more](https://hackaday.com/2024/09/08/the-hidden-crystal-method/) 2024-09-08T11:00:16Z **Repairing a Hallicrafters S-120**
![](https://hackaday.com/wp-content/uploads/2024/09/crafter.png?w=800)

[MIKROWAVE1] claims he’s not a radio repair guy, but he agreed to look at a malfunctioning Hallicrafters S-120 shortwave receiver. He lets us watch as he tries to get it […read more](https://hackaday.com/2024/09/08/repairing-a-hallicrafters-s-120/) ⌘ [Read more](https://hackaday.com/2024/09/08/repairing-a-hallicrafters-s-120/) 2024-09-08T14:00:55Z **2024 Tiny Games Contest: An Epic Minimalist Entertainment System, Indeed**
![An incredibly small gaming console with cartridges, each bearing an ATtiny10.](https://hackaday.com/wp-content/uploads/2024/09/EMES-800.jpg?w=800)

One way to keep things tiny is to make a system with cartridges where the brain lives on each cartridge instead of the platform itself. [Michael]’s Epic Minimalist Entertainment System […read more](https://hackaday.com/2024/09/08/2024-tiny-games- ... ⌘ [Read more](https://hackaday.com/2024/09/08/2024-tiny-games-contest-an-epic-minimalist-entertainment-system-indeed/) 2024-09-08T17:00:03Z **Reverse Engineering The Web API of an Akaso EK7000 Action Camera**
![](https://hackaday.com/wp-content/uploads/2024/09/akaso_featured_image.png?w=800)

Recently, [Richard Audette] bought an Akaso EK7000 action camera for his daughter’s no-smartphones-allowed summer camp, which meant that after his daughter returned from said camp, he was free to tinker […read more](https://hackaday.com/2024/09/08/reverse-engineering-the-web-api-of-an-akaso-ek7000-action-camera/) ⌘ [Read more](https://hackaday.com/2024/09/08/reverse-engineering-the-web-api-of-an-akaso-ek7000-action-camera/) 2024-09-08T20:00:15Z **Self Driving Cars Learn from Our Eyes**
![](https://hackaday.com/wp-content/uploads/2024/09/car.png?w=800)

[Michelle Hampson] reports in IEEE Spectrum that Chinese researchers may improve self-driving cars by mimicking how the human eye works. In some autonomous cars, two cameras use polarizing filters to […read more](https://hackaday.com/2024/09/08/self-driving-cars-learn-from-our-eyes/) ⌘ [Read more](https://hackaday.com/2024/09/08/self-driving-cars-learn-from-our-eyes/) 2024-09-08T23:00:28Z **Hackaday Links: September 8, 2024**
![Hackaday Links Column Banner](https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800)

OK, sit down, everyone — we don’t want you falling over and hurting yourself when you learn the news that actually yes, your phone has been listening to your conversations […read more](https://hackaday.com/2024/09/08/hackaday-links-september-8-2024/) ⌘ [Read more](https://hackaday.com/2024/09/08/hackaday-links-september-8-2024/) 2024-09-09T02:00:41Z **Printed in Space: 3D-Printed Metal Parts Shown Off After Returning From the ISS**
![](https://hackaday.com/wp-content/uploads/2024/09/ISS_Metal_3D_Printer_finished_print_esa.jpg?w=800)

The European Space Agency (ESA) is showing 3D-printed metal parts made onboard the International Space Station using a printer and materials the agency sent earlier this year.  While 3D printing […read more](https://hackaday.com/2024/09/08/printed-in-space-3d-printed-metal-par ... ⌘ [Read more](https://hackaday.com/2024/09/08/printed-in-space-3d-printed-metal-parts-shown-off-after-returning-from-the-iss/) 2024-09-09T05:00:02Z **Mainframe Chip has 360MB of on-Chip Cache**
![](https://hackaday.com/wp-content/uploads/2024/09/ibm_e94bed.png?w=768)

It is hard to imagine what a mainframe or supercomputer can do when we all have what amounts to supercomputers on our desks. But if you look at something like […read more](https://hackaday.com/2024/09/08/mainframe-chip-has-360mb-of-on-chip-cache/) ⌘ [Read more](https://hackaday.com/2024/09/08/mainframe-chip-has-360mb-of-on-chip-cache/) 2024-09-09T08:00:19Z **Microsoft Sculpt Keyboard Lives Again with RP2040**
![](https://hackaday.com/wp-content/uploads/2024/09/sculpt_feat.jpg?w=800)

Hackaday readers are likely the kind of folks that have a favorite keyboard, so you can probably imagine how devastating it would be to find out that the board you’ve […read more](https://hackaday.com/2024/09/09/microsoft-sculpt-keyboard-lives-again-with-rp2040/) ⌘ [Read more](https://hackaday.com/2024/09/09/microsoft-sculpt-keyboard-lives-again-with-rp2040/) 2024-09-09T11:00:11Z **Orion Ceases Operations, Future of Meade Unclear**
![](https://hackaday.com/wp-content/uploads/2024/09/scope.png?w=800)

There was a time when building a telescope was a rite of passage for budding astronomers, much as building a radio was the coming age for electronics folks. These days, […read more](https://hackaday.com/2024/09/09/orion-ceases-operations-future-of-meade-unclear/) ⌘ [Read more](https://hackaday.com/2024/09/09/orion-ceases-operations-future-of-meade-unclear/) 2024-09-09T14:00:05Z **Reinforcing Plastic Polymers With Cellulose and Other Natural Fibers**
![](https://hackaday.com/wp-content/uploads/2023/06/industrial_hemp_field_sun.jpg?w=800)

While plastics are very useful on their own, they can be much stronger when reinforced and mixed with a range of fibers. Not surprisingly, this includes the thermoplastic polymers which […read more](https://hackaday.com/2024/09/09/reinforcing-plastic-polymers-with-cellulose-and-other-natural-fibers/) ⌘ [Read more](https://hackaday.com/2024/09/09/reinforcing-plastic-polymers-with-cellulose-and-other-natural-fibers/) 2024-09-09T15:30:57Z **The Science of Coating Steel**
![](https://hackaday.com/wp-content/uploads/2024/09/parker.png?w=800)

[Breaking Taps] has a look at “parkerization” — a process to coat steel to prevent rust. While you commonly see this finish in firearms, it is usable anywhere you need […read more](https://hackaday.com/2024/09/09/the-science-of-coating-steel/) ⌘ [Read more](https://hackaday.com/2024/09/09/the-science-of-coating-steel/) 2024-09-09T17:00:25Z **Supercon 2023: Ben Combee And The Hacker’s Guide To Audio/Video Formats**
![](https://hackaday.com/wp-content/uploads/2024/08/Ben-Combee_-A-Hackers-Guide-To-Audio_Video-Formats-16-22-screenshot-e1724736095423.png?w=800)

Media formats have come a long way since the early days of computing. Once upon a time, the very idea of even playing live audio was considered a lofty goal, […read more](https://hackaday.com/2024/09/09/supercon-2023-ben-combee-and-the-hackers-guide-t ... ⌘ [Read more](https://hackaday.com/2024/09/09/supercon-2023-ben-combee-and-the-hackers-guide-to-audio-video-formats/) 2024-09-09T18:30:00Z **One Giant Steppe for Space Flight**
![A photo of a farmer in Kazakhstan wearing a balaclava mask standing in front of a farm house with a rusting piece of Soyuz space capsule used as part of the farm's animal feed trough](https://hackaday.com/wp-content/uploads/2024/09/Featured-15.jpg?w=800)

In a recent photo essay for the New Yorker magazine, author Keith Gessen and photographer Andrew McConnell share what life is like for the residents around the launch facility and […read more](https://hackaday.com/ ... ⌘ [Read more](https://hackaday.com/2024/09/09/one-giant-steppe-for-space-flight/) 2024-09-09T20:00:14Z **This Tiny Steam Engine Takes a Watchmaker’s Skill to Build**
![](https://hackaday.com/wp-content/uploads/2024/09/tiny_steam_engine.png?w=800)

When your steam engine build requires multiple microscopes, including those of the scanning electron variety, you know you’re building something really, really tiny. All of the usual tiny superlatives and […read more](https://hackaday.com/2024/09/09/this-tiny-steam-engine-takes-a-watchmakers-skill-to-build/) ⌘ [Read more](https://hackaday.com/2024/09/09/this-tiny-steam-engine-takes-a-watchmakers-skill-to-build/) 2024-09-09T23:00:00Z **PC Floppy Copy Protection: Softguard Superlok**
![](https://hackaday.com/wp-content/uploads/2024/09/softguard_superlok_floppy_in_norton_commander_screenshot337.png?w=640)

Many have sought the holy grail of making commercial media both readable and copy-proof, especially once everyone began to copy those floppies. One of these attempts to make floppies copy-proof […read more](https://hackaday.com/2024/09/09/pc-floppy-copy-protection-softguard-superlok/) ⌘ [Read more](https://hackaday.com/2024/09/09/pc-floppy-copy-protection-softguard-superlok/) 2024-09-10T02:00:00Z **DOOM on a Volumetric Display**
![](https://hackaday.com/wp-content/uploads/2024/09/e876eaecc32776d4-featured.png?w=800)

There’s something magical about volumetric displays. They really need to be perceived in person, and no amount of static or video photography will ever do them justice. [AncientJames] has built […read more](https://hackaday.com/2024/09/09/doom-on-a-volumetric-display/) ⌘ [Read more](https://hackaday.com/2024/09/09/doom-on-a-volumetric-display/) 2024-09-10T05:00:21Z **Hard Lessons Learned While Building a Solar RC Plane**
![](https://hackaday.com/wp-content/uploads/2024/09/solarplane_feat.jpg?w=800)

Although not the first to try and build a DIY solar-powered remote control airplane, [ProjectAir]’s recent attempt is the most significant one in recent memory. It follows [rctestflight]’s multi-year saga […read more](https://hackaday.com/2024/09/09/hard-lessons-learned-while-building-a-solar-rc-plane/) ⌘ [Read more](https://hackaday.com/2024/09/09/hard-lessons-learned-while-building-a-solar-rc-plane/) 2024-09-10T08:00:32Z **Slim Tactile Switches Save Classic TI Calculator with a Bad Keypad**
![](https://hackaday.com/wp-content/uploads/2024/09/inprogress.jpg?w=800)

For vintage calculator fans, nothing strikes more fear than knowing that someday their precious and irreplaceable daily driver will become a museum piece to be looked at and admired — […read more](https://hackaday.com/2024/09/10/slim-tactile-switches-save-classic-ti-calculator-with-a-bad-keypad/) ⌘ [Read more](https://hackaday.com/2024/09/10/slim-tactile-switches-save-classic-ti-calculator-with-a-bad-keypad/) 2024-09-10T11:00:21Z **Shedding New Light on the Voynich Manuscript With Multispectral Imaging**
![](https://hackaday.com/wp-content/uploads/2024/09/Voynich-Manuscript-2.jpg?w=800)

The Voynich Manuscript is a medieval codex written in an unknown alphabet and is replete with fantastic illustrations as unusual and bizarre as they are esoteric. It has captured interest […read more](https://hackaday.com/2024/09/10/shedding-new-light-on-the-voynich-manuscript-with-multispectral-imaging/) ⌘ [Read more](https://hackaday.com/2024/09/10/shedding-new-light-on-the-voynich-manuscript-with-multispectral-imaging/) 2024-09-10T14:00:02Z **A Look At The Small Web, Part 1**
![](https://hackaday.com/wp-content/uploads/2024/08/SmallWeb.jpg?w=800)

In the early 1990s I was privileged enough to be immersed in the world of technology during the exciting period that gave birth to the World Wide Web, and I […read more](https://hackaday.com/2024/09/10/a-look-at-the-small-web-part-1/) ⌘ [Read more](https://hackaday.com/2024/09/10/a-look-at-the-small-web-part-1/) 2024-09-10T15:30:08Z **Rescuing High-Res Displays from Older Macs**
![](https://hackaday.com/wp-content/uploads/2024/09/imac-main.jpg?w=800)

When Apple started rolling out its Retina displays, it multiplied the amount of pixels compared to their standard, non-Retina displays by four. This increased pixel density while keeping the standard […read more](https://hackaday.com/2024/09/10/rescuing-high-res-displays-from-older-macs/) ⌘ [Read more](https://hackaday.com/2024/09/10/rescuing-high-res-displays-from-older-macs/) 2024-09-10T17:00:11Z **Assessing the Energy Efficiency of Programming Languages**
![](https://hackaday.com/wp-content/uploads/2021/11/language_efficiency_banner_had.jpg?w=800)

Programming languages are generally defined as a more human-friendly way to program computers than using raw machine code. Within the realm of these languages there is a wide range of […read more](https://hackaday.com/2024/09/10/assessing-the-energy-efficiency-of-programming-languages/) ⌘ [Read more](https://hackaday.com/2024/09/10/assessing-the-energy-efficiency-of-programming-languages/) 2024-09-10T18:30:21Z **Mobile Coffee Table Uses Legs to Get Around**
![](https://hackaday.com/wp-content/uploads/2024/09/carpentopod-main.jpg?w=764)

For getting around on most surfaces, it’s hard to beat the utility of the wheel. Versatile, inexpensive, and able to be made from a wide array of materials has led […read more](https://hackaday.com/2024/09/10/mobile-coffee-table-uses-legs-to-get-around/) ⌘ [Read more](https://hackaday.com/2024/09/10/mobile-coffee-table-uses-legs-to-get-around/) 2024-09-10T20:00:56Z **Why have Seven Segments When You Can Have 21?**
![](https://hackaday.com/wp-content/uploads/2024/09/6037241724747507563.png?w=625)

IO user [monte] was pointed towards an 1898 display patent issued to a [George Mason] and liked the look of the ‘creepy’ font it defined. The layout used no less […read more](https://hackaday.com/2024/09/10/why-have-seven-segments-when-you-can-have-21/) ⌘ [Read more](https://hackaday.com/2024/09/10/why-have-seven-segments-when-you-can-have-21/) 2024-09-10T23:00:48Z **Misleading GPS, Philosophy of Maps, And You**
![](https://hackaday.com/wp-content/uploads/2024/09/map-main.jpeg?w=800)

The oft-quoted saying “all models are wrong, but some are useful” is a tounge-in-cheek way of saying that at some level, tools we use to predict how the world behaves […read more](https://hackaday.com/2024/09/10/misleading-gps-philosophy-of-maps-and-you/) ⌘ [Read more](https://hackaday.com/2024/09/10/misleading-gps-philosophy-of-maps-and-you/) 2024-09-11T02:00:53Z **Cruise Ship-Lengthening Surgery: All the Cool Companies Are Doing It**
![Credit: Silversea cruises](https://hackaday.com/wp-content/uploads/2024/09/cruise_ship_lengthening.jpg?w=800)

The number of people going on cruises keeps rising year over year, with the number passengers carried increasing from just over 3.7 million in 1990 to well over 28 million […read more](https://hackaday.com/2024/09/10/cruise-ship-lengthening-surgery-all-the-cool-companies-are-doing-it/) ⌘ [Read more](https://hackaday.com/2024/09/10/cruise-ship-lengthening-surgery-all-the-cool-companies-are-doing-it/) 2024-09-11T05:00:54Z **The Apple Watch As An Ammeter**
![](https://hackaday.com/wp-content/uploads/2024/09/apple-watch-meter-featured.jpg?w=800)

Your shiny new personal electronic device is likely to be designed solely as an app platform to run the products of faceless corporations, so the story goes, and therefore has […read more](https://hackaday.com/2024/09/10/the-apple-watch-as-an-ammeter/) ⌘ [Read more](https://hackaday.com/2024/09/10/the-apple-watch-as-an-ammeter/) 2024-09-11T08:00:47Z **A Look Inside a DIY Rocket Motor**
![](https://hackaday.com/wp-content/uploads/2024/09/rocket_post_mortem1.png?w=800)

[Joe Barnard] made a solid propellant rocket motor, and as one does in such situations, he put it through its paces on the test stand. The video below is not […read more](https://hackaday.com/2024/09/11/a-look-inside-a-diy-rocket-motor/) ⌘ [Read more](https://hackaday.com/2024/09/11/a-look-inside-a-diy-rocket-motor/) 2024-09-11T11:00:48Z **Voyager 1 Completes Tricky Thruster Reconfiguration**
![](https://hackaday.com/wp-content/uploads/2022/05/voyager_feat.jpg?w=800)

After 47 years it’s little wonder that the hydrazine-powered thrusters of the Voyager 1, used to orient the spacecraft in such a way that its 3.7 meter (12 foot) diameter […read more](https://hackaday.com/2024/09/11/voyager-1-completes-tricky-thruster-reconfiguration/) ⌘ [Read more](https://hackaday.com/2024/09/11/voyager-1-completes-tricky-thruster-reconfiguration/) 2024-09-11T14:00:59Z **Lithium-Ion Battery Hotswapping, Polarity, Holders**
![](https://hackaday.com/wp-content/uploads/2022/09/Lithium.jpg?w=800)

Everyone loves, and should respect, lithium-ion batteries. They pack a ton of power and can make our projects work better. I’ve gathered a number of tips and tricks about using […read more](https://hackaday.com/2024/09/11/lithium-ion-battery-hotswapping-polarity-holders/) ⌘ [Read more](https://hackaday.com/2024/09/11/lithium-ion-battery-hotswapping-polarity-holders/) 2024-09-11T15:30:00Z **Using a Potato as Photographic Recording Surface**
![](https://hackaday.com/wp-content/uploads/2024/09/potato_photograms.jpg?w=800)

Following in the tracks of unconventional science projects, [The Thought Emporium] seeks to answer the question of whether you can use a potato as a photograph recording medium. This is […read more](https://hackaday.com/2024/09/11/using-a-potato-as-photographic-recording-surface/) ⌘ [Read more](https://hackaday.com/2024/09/11/using-a-potato-as-photographic-recording-surface/) 2024-09-11T17:00:53Z **Supercon 2023: Aleksa Bjelogrlic Dives Into Circuits That Measure Circuits**
![](https://hackaday.com/wp-content/uploads/2024/08/Aleksa-Bjelogrlic_-A-Circuit-to-Measure-Circuits_-How-do-Oscilloscopes-do-it_-2-6-screenshot-e1724732669323.png?w=800)

Oscilloscopes are one of our favorite tools for electronics development. They make the hidden dances of electrons visually obvious to us, and give us a clear understanding of what’s actually […read more](https://hackada ... ⌘ [Read more](https://hackaday.com/2024/09/11/supercon-2023-aleksa-bjelogrlic-dives-into-circuits-that-measure-circuits/) 2024-09-11T18:30:47Z **FLOSS Weekly Episode 800: Champagning the Ladybird Browser**
![](https://hackaday.com/wp-content/uploads/2021/06/Pipewire.jpg?w=800)

This week Jonathan Bennett and Aaron Newcomb chat with Andreas Kling about Ladybird, the new browser in development from the ground up. It was started as part of SerenityOS, and […read more](https://hackaday.com/2024/09/11/floss-weekly-episode-800-champagning-the-ladybird-browser/) ⌘ [Read more](https://hackaday.com/2024/09/11/floss-weekly-episode-800-champagning-the-ladybird-browser/) 2024-09-11T20:00:00Z **IBM’s 1969 Educational Computing**
![](https://hackaday.com/wp-content/uploads/2024/09/ibmschools_hursley.jpg?w=800)

IBM got their PCs and PS/2 computers into schools in the 1980s and 1990s. We fondly remember educational games like Super Solvers: Treasure Mountain. However, IBM had been trying to […read more](https://hackaday.com/2024/09/11/ibms-1969-educational-computing/) ⌘ [Read more](https://hackaday.com/2024/09/11/ibms-1969-educational-computing/) 2024-09-11T23:00:00Z **Hacking an NVIDIA CMP 170HX Crypto GPU for EM Sim Work**
![](https://hackaday.com/wp-content/uploads/2024/09/cmp-170hx-watercool-4-featured.png?w=800)

A few years back NVIDIA created a dedicated cryptocurrency mining GPU, the CMP 170HX. This was a heavily restricted version of its flagship A100 datacenter accelerator, using the same GA100 […read more](https://hackaday.com/2024/09/11/hacking-an-nvidia-cmp-170hx-crypto-gpu-for-em-sim-work/) ⌘ [Read more](https://hackaday.com/2024/09/11/hacking-an-nvidia-cmp-170hx-crypto-gpu-for-em-sim-work/) 2024-09-12T02:00:56Z **Train Speed Signaling Adapted For Car**
![](https://hackaday.com/wp-content/uploads/2024/09/train-main.jpg?w=728)

One major flaw of designing societies around cars is the sheer amount of signage that drivers are expected to recognize, read, and react to. It’s a highly complex system that […read more](https://hackaday.com/2024/09/11/train-speed-signaling-adapted-for-car/) ⌘ [Read more](https://hackaday.com/2024/09/11/train-speed-signaling-adapted-for-car/) 2024-09-12T05:00:25Z **2024 Tiny Games Contest: Micro One-Armed Bandit Hits the Cuteness Jackpot**
![A tiny colorful slot machine that uses LEDs instead of fruits or numbers.](https://hackaday.com/wp-content/uploads/2024/09/bandit-800.jpg?w=800)

They don’t call slot machines one-armed bandits for nothing. And although it’s getting harder and harder to find slot machines with actual pull-able handles instead of just big buttons, you […read more](https://hackaday.com/2024/09/11/2024-tiny- ... ⌘ [Read more](https://hackaday.com/2024/09/11/2024-tiny-games-contest-micro-one-armed-bandit-hits-the-cuteness-jackpot/) 2024-09-12T08:00:11Z **Inkycal Makes Short Work of e-Paper Dashboards**
![](https://hackaday.com/wp-content/uploads/2024/09/inkycal_feat.jpg?w=800)

The e-paper “dashboard” is something we’ve seen plenty of times here at Hackaday. Use it to show your daily schedule, the news, weather, maybe the latest posts from your favorite […read more](https://hackaday.com/2024/09/12/inkycal-makes-short-work-of-e-paper-dashboards/) ⌘ [Read more](https://hackaday.com/2024/09/12/inkycal-makes-short-work-of-e-paper-dashboards/) 2024-09-12T11:00:00Z **2024 Tiny Games Contest: A Flappy Seagull Game With Sound in Only 500 Bytes**
![](https://hackaday.com/wp-content/uploads/2024/09/flappy_larus_bright.png?w=800)

It was probably a reasonable assumption that the “Tiny” in our recently concluded Tiny Games Contest mostly referred to the physical footprint of the game. And indeed, that’s the way […read more](https://hackaday.com/2024/09/12/2024-tiny-games-contest-a-flappy-seagull-game-with-sound-in-only-500-bytes/) ⌘ [Read more](https://hackaday.com/2024/09/12/2024-tiny-games-contest-a-flappy-seagull-game-with-sound-in-only-500-bytes/) 2024-09-12T14:00:24Z **Review: iFixit’s FixHub May Be The Last Soldering Iron You Ever Buy**
![](https://hackaday.com/wp-content/uploads/2024/09/fixhub_feat2.jpg?w=800)

Like many people who solder regularly, I decided years ago to upgrade from a basic iron and invest in a soldering station. My RadioShack digital station has served me well […read more](https://hackaday.com/2024/09/12/review-ifixits-fixhub-may-be-the-last-soldering-iron-you-ever-buy/) ⌘ [Read more](https://hackaday.com/2024/09/12/review-ifixits-fixhub-may-be-the-last-soldering-iron-you-ever-buy/) 2024-09-12T15:30:00Z **Building A Subwoofer Box Out Of Decking Material**
![](https://hackaday.com/wp-content/uploads/2024/09/I-Built-a-Subwoofer-Box-From-Trex-Decking-12-10-screenshot.png?w=800)

When you go to build a subwoofer box, wood is the most common choice. When it came to his project, though, [Startup Chuck] decided to go a different route entirely. […read more](https://hackaday.com/2024/09/12/building-a-subwoofer-box-out-of-decking-material/) ⌘ [Read more](https://hackaday.com/2024/09/12/building-a-subwoofer-box-out-of-decking-material/) 2024-09-12T18:30:00Z **How Photomultipliers Detect Single Photons**
![](https://hackaday.com/wp-content/uploads/2024/09/photomultiplier_tube_theory_layout.jpg?w=800)

If you need to measure the presence of photons down to a very small number of them, you are looking at the use of a photomultiplier, as explained in a […read more](https://hackaday.com/2024/09/12/how-photomultipliers-detect-single-photons/) ⌘ [Read more](https://hackaday.com/2024/09/12/how-photomultipliers-detect-single-photons/) 2024-09-12T20:00:42Z **Digital Bumper Sticker Tells Everyone What You’re Listening To**
![](https://hackaday.com/wp-content/uploads/2024/09/GWz6JkuWYAAYYDx-e1726135758471.jpg?w=800)

Bumper stickers are usually political, crude, or otherwise inflammatory. Rather a more fun example is this digital creation from [Guy Dupont], who made a bumper sticker that broadcasts what he’s […read more](https://hackaday.com/2024/09/12/digital-bumper-sticker-tells-everyone-what-youre-listening-to/) ⌘ [Read more](https://hackaday.com/2024/09/12/digital-bumper-sticker-tells-everyone-what-youre-listening-to/) 2024-09-12T23:00:10Z **2024 Tiny Games Contest: Spectacular Sub-Surface Simon**
![A Simon game built into an ATtiny84 in a DIP-14 package.](https://hackaday.com/wp-content/uploads/2024/09/simon-main.jpeg?w=800)

When you work with tiny things on the regular, they start to seem normal-sized to your hands and eyes. Then, if you work with even smaller packages, stuff like 0603 […read more](https://hackaday.com/2024/09/12/2024-tiny-games-contest-spectacular-sub-surface-simon/) ⌘ [Read more](https://hackaday.com/2024/09/12/2024-tiny-games-contest-spectacular-sub-surface-simon/) 2024-09-13T02:00:19Z **Back Up Your Data On Paper With Lots Of QR Codes**
![](https://hackaday.com/wp-content/uploads/2024/09/example-e1726136072689.png?w=800)

QR codes are used just about everywhere now, for checking into venues, ordering food, or just plain old advertising. But what about data storage? It’s hardly efficient, but if you […read more](https://hackaday.com/2024/09/12/back-up-your-data-on-paper-with-lots-of-qr-codes/) ⌘ [Read more](https://hackaday.com/2024/09/12/back-up-your-data-on-paper-with-lots-of-qr-codes/) 2024-09-13T05:00:35Z **There’s Already A Nixie Addon For The 2024 Supercon Badge**
![](https://hackaday.com/wp-content/uploads/2024/09/3901701725637264837_27d776-e1726135228956.jpg?w=800)

Nixie tubes are cool, and hackers like them. Perhaps for those reasons more than any other, [Kevin Santo Cappuccio] has developed a very particular Simple Add-On for the 2024 Hackaday […read more](https://hackaday.com/2024/09/12/theres-already-a-nixie-addon-for-the-2024-supercon-badge/) ⌘ [Read more](https://hackaday.com/2024/09/12/theres-already-a-nixie-addon-for-the-2024-supercon-badge/) 2024-09-13T08:00:20Z **Simple PCB Agitator Gets The Job Done**
![](https://hackaday.com/wp-content/uploads/2024/09/maxresdefault-1.jpg?w=800)

These days, PCB fab houses are just about everywhere, and you can’t go buy a taco without walking past eight of them. Still, some out there still like to etch […read more](https://hackaday.com/2024/09/13/simple-pcb-agitator-gets-the-job-done/) ⌘ [Read more](https://hackaday.com/2024/09/13/simple-pcb-agitator-gets-the-job-done/) 2024-09-13T11:00:02Z **Doing MIDI With Discrete Logic Is Neat, If Not Particularly Useful**
![](https://hackaday.com/wp-content/uploads/2024/09/Screenshot-2024-09-12-194750.png?w=800)

MIDI is normally baked into the chipset of a synthesizer, or something you use a microcontroller to handle. But that’s not the only way to speak the language! [Kevin] decided […read more](https://hackaday.com/2024/09/13/doing-midi-with-discrete-logic-is-neat-if-not-particularly-useful/) ⌘ [Read more](https://hackaday.com/2024/09/13/doing-midi-with-discrete-logic-is-neat-if-not-particularly-useful/) 2024-09-13T14:00:56Z **This Week in Security: Malicious Rollback, WHOIS, and More**
![](https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800)

It’s time to talk about Microsoft’s patch Tuesday, and the odd vulnerability rollback that happened. CVE-2024-43491 has caught some attention, as it’s a 9.8 on the CVSS scale, is under […read more](https://hackaday.com/2024/09/13/this-week-in-security-malicious-rollback-whois-and-more/) ⌘ [Read more](https://hackaday.com/2024/09/13/this-week-in-security-malicious-rollback-whois-and-more/) 2024-09-13T15:30:20Z **Recreating a Popular Faux-Nixie Clock**
![](https://hackaday.com/wp-content/uploads/2024/09/ipsclock_feat.jpg?w=800)

There’s a good chance you’ve seen “Nixie clocks” on the Internet that replace the classic cold cathode tubes with similarly sized LCD panels. The hook is that the LCDs can […read more](https://hackaday.com/2024/09/13/recreating-a-popular-faux-nixie-clock/) ⌘ [Read more](https://hackaday.com/2024/09/13/recreating-a-popular-faux-nixie-clock/) 2024-09-13T16:00:17Z **Hackaday Podcast Episode 288: Cyanotypes, Antique 21-Segment Displays, and the Voynich Manuscript in a New Light**
![](https://hackaday.com/wp-content/uploads/2016/05/microphone.jpg?w=800)

It’s Friday the 13th, and despite having to dodge black cats and poorly located ladders, Elliot and Dan were able to get together and run down the best hacks of […read more](https://hackaday.com/2024/09/13/hackaday-podcast-episode-288-cyanoty ... ⌘ [Read more](https://hackaday.com/2024/09/13/hackaday-podcast-episode-288-cyanotypes-antique-21-segment-displays-and-the-voynich-manuscript-in-a-new-light/) 2024-09-13T17:00:29Z **Where Do You Connect The Shield?**
![](https://hackaday.com/wp-content/uploads/2024/04/PCBdesign.jpg?w=800)

When it comes to polarizing and confusing questions in electronics, wiring up shields is on the top-10 list when sorted by popularity. It’s a question most of us need to […read more](https://hackaday.com/2024/09/13/where-do-you-connect-the-shield/) ⌘ [Read more](https://hackaday.com/2024/09/13/where-do-you-connect-the-shield/) 2024-09-13T18:30:47Z **2024 Tiny Games Contest: Neat PCB Business Card Was Inspired By The Arduboy**
![](https://hackaday.com/wp-content/uploads/2024/09/text-iot-dynamic-spaces-e1726133472325.jpg?w=800)

The humble business card is usually a small slip of cardboard with some basic contact details on it — but as hackers know, it can be so much more. [Marian] […read more](https://hackaday.com/2024/09/13/2024-tiny-games-contest-neat-pcb-business-card-was-inspired-by-the-arduboy/) ⌘ [Read more](https://hackaday.com/2024/09/13/2024-tiny-games-contest-neat-pcb-business-card-was-inspired-by-the-arduboy/) 2024-09-13T20:00:30Z **Building A Multi-Purpose Electrochemistry Device**
![](https://hackaday.com/wp-content/uploads/2024/09/Screenshot-2024-09-13-162806-featured.png?w=800)

We don’t get enough electrochemistry hacks on these pages, so here’s [Markus Bindhammer] of YouTube/Marb’s lab fame to give us a fix with their hand-built general-purpose electrochemistry device. The basic […read more](https://hackaday.com/2024/09/13/building-a-multi-purpose-electrochemistry-device/) ⌘ [Read more](https://hackaday.com/2024/09/13/building-a-multi-purpose-electrochemistry-device/) 2024-09-13T23:00:21Z **Pulling Apart An Old Satellite Truck Tracker**
![](https://hackaday.com/wp-content/uploads/2024/09/Hacking-A-Satellite-Truck-Tracker-Digi-ConnectPort-X5-Antenna-Teardown-0-1-screenshot-1.png?w=800)

Sometimes there’s nothing more rewarding than pulling apart an old piece of hardware of mysterious origin. [saveitforparts] does just that, and recently came across a curious satellite system from a […read more](https://hackaday.com/2024/09/13/pulling-apart-an-old-satellite-truck-tracker/) ⌘ [Read more](https://hackaday.com/2024/09/13/pulling-apart-an-old-satellite-truck-tracker/) 2024-09-14T02:00:11Z **Supercon 2024: Last Call For Display Tech Exhibit**
![](https://hackaday.com/wp-content/uploads/2024/08/supercon_2024_featured_knob.png?w=800)

During this year’s Hackaday Supercon, the Supplyframe DesignLab will be playing host to a unique exhibit that catalogs the evolution of display technology. That means showcasing the best and most […read more](https://hackaday.com/2024/09/13/supercon-2024-last-call-for-display-tech-exhibit/) ⌘ [Read more](https://hackaday.com/2024/09/13/supercon-2024-last-call-for-display-tech-exhibit/) 2024-09-14T05:00:22Z **Player Ukulele Pulls Your Strings**
![](https://hackaday.com/wp-content/uploads/2024/09/uke.png?w=800)

Automated musical instruments aren’t a new idea. From water chimes to player pianos, they’ve been around for a while. But we can’t remember the last time we saw a player […read more](https://hackaday.com/2024/09/13/player-ukulele-pulls-your-strings/) ⌘ [Read more](https://hackaday.com/2024/09/13/player-ukulele-pulls-your-strings/) 2024-09-14T08:00:06Z **A 1930s Ham Station**
![](https://hackaday.com/wp-content/uploads/2024/09/ham.png?w=800)

[Mikrowave1] wanted to build an authentic 1930s-style ham radio station that was portable. He’s already done a regenerative receiver, but now he’s starting on a tube transmitter that runs on […read more](https://hackaday.com/2024/09/14/a-1930s-ham-station/) ⌘ [Read more](https://hackaday.com/2024/09/14/a-1930s-ham-station/) 2024-09-14T11:00:03Z **Soldering, Up Close and Personal**
![](https://hackaday.com/wp-content/uploads/2024/09/solder_microscope.jpeg?w=800)

A word of warning before watching this very cool video on soldering: it may make you greatly desire what appears to be a very, very expensive microscope. You’ve been warned. […read more](https://hackaday.com/2024/09/14/soldering-up-close-and-personal/) ⌘ [Read more](https://hackaday.com/2024/09/14/soldering-up-close-and-personal/) 2024-09-14T14:00:25Z **Always Something New Under the Sun**
![](https://hackaday.com/wp-content/uploads/2020/07/AdobeStock_265400611.jpeg?w=800)

Some of the entries we got into the Tiny Games Contest have been really mind-blowing. Just as you think you’ve seen it all, for instance, alnwlsn comes along and mills […read more](https://hackaday.com/2024/09/14/always-something-new-under-the-sun/) ⌘ [Read more](https://hackaday.com/2024/09/14/always-something-new-under-the-sun/) 2024-09-14T17:00:49Z **Pong in a Petri Dish: Teasing Out How Brains Work**
![](https://hackaday.com/wp-content/uploads/2024/08/pong_eap_hydrogel_2x3_grid_readings.jpg?w=750)

Of the many big, unanswered questions in this Universe, the ones pertaining to the functioning of biological neural networks are probably among the most intriguing. From the lowliest neurally gifted […read more](https://hackaday.com/2024/09/14/pong-in-a-petri-dish-teasing-out-how-brains-work/) ⌘ [Read more](https://hackaday.com/2024/09/14/pong-in-a-petri-dish-teasing-out-how-brains-work/) 2024-09-14T20:00:05Z **Create Custom Gridfinity Boxes Using Images Of Tools**
![](https://hackaday.com/wp-content/uploads/2024/09/Screenshot-from-2024-09-13-21-06-51-featured.png?w=800)

We love it when a community grabs hold of an idea and runs wild with it despite obvious practicality issues. Gridfinity by YouTuber [Zach Freedman] is one of those concepts. […read more](https://hackaday.com/2024/09/14/create-custom-gridfinity-boxes-using-images-of-tools/) ⌘ [Read more](https://hackaday.com/2024/09/14/create-custom-gridfinity-boxes-using-images-of-tools/) 2024-09-14T23:00:27Z **An Earth-Bound Homage to a Martian Biochemistry Experiment**
![](https://hackaday.com/wp-content/uploads/2024/09/viking_labeled_release.jpeg?w=800)

With all the recent attention on Mars and the search for evidence of ancient life there, it’s easy to forget that not only has the Red Planet been under the […read more](https://hackaday.com/2024/09/14/an-earth-bound-homage-to-a-martian-biochemistry-experiment/) ⌘ [Read more](https://hackaday.com/2024/09/14/an-earth-bound-homage-to-a-martian-biochemistry-experiment/) 2024-09-15T02:00:38Z **Taking Back The Internet With The Tildeverse**
![](https://hackaday.com/wp-content/uploads/2024/09/Screenshot-2024-09-13-155757-featured.png?w=800)

For many of us of a particular vintage, the internet blossomed in the ’90s with the invention of the Web and just a few years of development. Back then, we […read more](https://hackaday.com/2024/09/14/taking-back-the-internet-with-the-tildeverse/) ⌘ [Read more](https://hackaday.com/2024/09/14/taking-back-the-internet-with-the-tildeverse/) 2024-09-15T05:00:35Z **Cast21 Brings Healing Into 2024**
![Five colors of Cast21 on five different wrists.](https://hackaday.com/wp-content/uploads/2024/09/cast21-800.png?w=800)

It takes but an ill-fated second to break a bone, and several long weeks for it to heal in a cast. And even if you have one of those newfangled […read more](https://hackaday.com/2024/09/14/cast21-brings-healing-into-2024/) ⌘ [Read more](https://hackaday.com/2024/09/14/cast21-brings-healing-into-2024/) 2024-09-15T08:00:34Z **Non-planar Ironing Makes Smooth Prints**
![](https://hackaday.com/wp-content/uploads/2024/09/3d.png?w=800)

If you want to smooth out the top surface of your FDM 3D prints, you can try ironing. Many slicers allow you to set this option, which drags the hot […read more](https://hackaday.com/2024/09/15/non-planar-ironing-makes-smooth-prints/) ⌘ [Read more](https://hackaday.com/2024/09/15/non-planar-ironing-makes-smooth-prints/) 2024-09-15T08:00:32Z **Watch NASA’s Solar Sail Reflect Brightly in the Night Sky**
![](https://hackaday.com/wp-content/uploads/2024/09/Advanced-Composite-Solar-Sail-System-Artists-Concept-5-2.jpg?w=800)

NASA’s ACS3 (Advanced Composite Solar Sail System) is currently fully deployed in low Earth orbit, and stargazers can spot it if they know what to look for. It’s actually one […read more](https://hackaday.com/2024/09/15/watch-nasas-solar-sail-reflect-brightly-in-the-night-sky/) ⌘ [Read more](https://hackaday.com/2024/09/15/watch-nasas-solar-sail-reflect-brightly-in-the-night-sky/) 2024-09-15T11:00:49Z **An Espresso Machine for the DIY Crowd**
![](https://hackaday.com/wp-content/uploads/2024/09/diyPresso.png?w=800)

Want to build your own espresso machine, complete with open-source software to drive it? The diyPresso might be right up your alley. It might not be the cheapest road to […read more](https://hackaday.com/2024/09/15/an-espresso-machine-for-the-diy-crowd/) ⌘ [Read more](https://hackaday.com/2024/09/15/an-espresso-machine-for-the-diy-crowd/) 2024-09-15T14:00:57Z **G4 Mac Mini is a Wolf in Apple IIc Clothing**
![A beige computer monitor with a green glow sits atop a flat, beige Apple IIc with a mouse next to it on a dark wooden table. A vase full of bright pink flowers is in the background.](https://hackaday.com/wp-content/uploads/2024/09/6941864961_a96cb18f89_o.jpg?w=800)

Restomods let us relive some of the glory days of industrial design with internals that would blow the socks off the original device. [Mental Hygiene] decided to update an Apple […rea ... ⌘ [Read more](https://hackaday.com/2024/09/15/g4-mac-mini-is-a-wolf-in-apple-iic-clothing/) 2024-09-15T17:00:44Z **An 80386 Upgrade Deal and Intel 486 Competitor: the Cyrix Cx486DLC**
![](https://hackaday.com/wp-content/uploads/2024/09/Cyrix_TX486DLC_Cx486DLC_CPU.jpg?w=800)

The x86 CPU landscape of the 1980s and 1990s was competitive in a way that probably seems rather alien to anyone used to the duopoly that exists today between AMD […read more](https://hackaday.com/2024/09/15/an-80386-upgrade-deal-and-intel-486-competitor-the-cyrix-cx486dlc/) ⌘ [Read more](https://hackaday.com/2024/09/15/an-80386-upgrade-deal-and-intel-486-competitor-the-cyrix-cx486dlc/) 2024-09-15T20:00:45Z **Archiving Data On Paper Using 2D Images**
![](https://hackaday.com/wp-content/uploads/2024/09/massive-qr-featured.png?w=800)

It seems like only yesterday we covered a project using QR codes to archive data on paper (OK, it was last Thursday), so here’s another way to do it, this […read more](https://hackaday.com/2024/09/15/archiving-data-on-paper-using-2d-images/) ⌘ [Read more](https://hackaday.com/2024/09/15/archiving-data-on-paper-using-2d-images/) 2024-09-15T23:00:12Z **Hackaday Links: September 15, 2024**
![Hackaday Links Column Banner](https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800)

A quick look around at any coffee shop, city sidewalk, or sadly, even at a traffic light will tell you that people are on their phones a lot. But exactly […read more](https://hackaday.com/2024/09/15/hackaday-links-september-15-2024/) ⌘ [Read more](https://hackaday.com/2024/09/15/hackaday-links-september-15-2024/) 2024-09-16T02:00:18Z **Exploring TapTo NFC Inegration On The MiSTer**
![](https://hackaday.com/wp-content/uploads/2024/09/Screenshot-2024-09-13-122242-featured.png?w=800)

[Ken] from the YouTube channel What’s Ken Making is back with another MiSTer video detailing the TapTo project and its integration into MiSTer. MiSTer, as some may recall, is a set of FPGA images and a […read more](https://hackaday.com/2024/09/15/exploring-tapto-nfc-inegration-on-the-mister/) ⌘ [Read more](https://hackaday.com/2024/09/15/exploring-tapto-nfc-inegration-on-the-mister/) 2024-09-16T05:00:26Z **Microwave Forge Casts the Sinking-est Benchy Ever**
![](https://hackaday.com/wp-content/uploads/2024/09/microwave_benchy.jpeg?w=800)

As a test artifact, 3DBenchy does a pretty good job of making sure your 3D printer is up to scratch. As an exemplar of naval architecture, though — well, let’s […read more](https://hackaday.com/2024/09/15/microwave-forge-casts-the-sinking-est-benchy-ever/) ⌘ [Read more](https://hackaday.com/2024/09/15/microwave-forge-casts-the-sinking-est-benchy-ever/)