Supercon 2024: Rethinking Body Art With LEDs
?w=800" alt=""/>Tattoos. Body paint. Henna. All these are popular kinds of body art with varying histories and cultural connotations, many going back centuries or even longer. They all have something in https://hackaday.com/2025/04/02/supercon-2024-rethinking-body-art-with-leds/
https://hackaday.com/2025/04/02/supercon-2024-rethinking-body-art-with-leds/
The Lowly Wall Wart Laid Bare
?w=800" alt=""/>Getting a look at the internals of a garden variety “wall wart” isn’t the sort of thing that’s likely to excite the average Hackaday reader. You’ve probably cracked one open https://hackaday.com/2025/04/02/the-lowly-wall-wart-laid-bare/
https://hackaday.com/2025/04/02/the-lowly-wall-wart-laid-bare/
The Everlasting Hunt For The Loch Ness Monster
?w=800" alt=""/>When a Loch Ness Monster story appears at the start of April, it pays to check the date on the article just to avoid red faces. But there should be https://hackaday.com/2025/04/01/the-everlasting-hunt-for-the-loch-ness-monster/
https://hackaday.com/2025/04/01/the-everlasting-hunt-for-the-loch-ness-monster/
Bringing Achievements To The Nintendo Entertainment System
?w=800" alt=""/>Microsoft made gaming history when it developed Achievements and released them with the launch of the Xbox 360. They have since become a key component of gaming culture, which similar https://hackaday.com/2025/04/01/bringing-achievements-to-the-nintendo-entertainment-system/
https://hackaday.com/2025/04/01/bringing-achievements-to-the-nintendo-entertainment-system/
Zink is Zero Ink — Sort Of
?w=800" alt=""/>When you think of printing on paper, you probably think of an ink jet or a laser printer. If you happen to think of a thermal printer, we bet you https://hackaday.com/2025/03/31/zink-is-zero-ink-sort-of/
DIY Linear Tubular Motor Does Precise Slides
?w=800" alt=""/>We’ve seen plenty of motor projects, but [Jeremy]’s DIY Tubular Linear Motor is a really neat variety of stepper motor in a format we certainly don’t see every day. It https://hackaday.com/2025/03/31/diy-linear-tubular-motor-does-precise-slides/
https://hackaday.com/2025/03/31/diy-linear-tubular-motor-does-precise-slides/
Reconfigurable FPGA for Single Photon Measurements
?w=800" alt=""/>Detecting single photons can be seen as the backbone of cutting-edge applications like LiDAR, medical imaging, and secure optical communication. Miss one, and critical information could be lost forever. That’s https://hackaday.com/2025/03/30/reconfigurable-fpga-for-single-photon-measurements/
https://hackaday.com/2025/03/30/reconfigurable-fpga-for-single-photon-measurements/
Protocol Analyzer Remembered
?w=800" alt=""/>Anyone will tell you that as hard as it is to create a working system, the real trick is making two systems talk to each other, especially if you created https://hackaday.com/2025/03/30/protocol-analyzer-remembered/
https://hackaday.com/2025/03/30/protocol-analyzer-remembered/
Automatically Crack Safes with this Autodialer
?w=800" alt=""/>When attempting to secure something, whether it’s a computer, sensitive data, or valuables, there’s always going to be a way to break that security. It might be impossibly hard, like https://hackaday.com/2025/03/30/automatically-crack-safes-with-this-autodialer/
https://hackaday.com/2025/03/30/automatically-crack-safes-with-this-autodialer/
Pictures from a High Altitude Balloon
?w=800" alt=""/>How do you get images downlinked from 30 km up? Hams might guess SSTV — slow scan TV — and that’s the approach [desafloinventor] took. If you haven’t seen it https://hackaday.com/2025/03/28/pictures-from-a-high-altitude-balloon/
https://hackaday.com/2025/03/28/pictures-from-a-high-altitude-balloon/
Take A Little Bit Of Acorn To Work
?w=800" alt=""/>When we think of 8-bit computers, it’s natural to start with home computers. That’s where they live on in the collective memory. But a Z80, a 6502, or similar was https://hackaday.com/2025/03/28/take-a-little-bit-of-acorn-to-work/
https://hackaday.com/2025/03/28/take-a-little-bit-of-acorn-to-work/
AqMood is an Air Quality Monitor with an Attitude
?w=800" alt=""/>You take your air quality seriously, so shouldn’t your monitoring hardware? If you’re breathing in nasty VOCs or dust, surely a little blinking LED isn’t enough to express your displeasure https://hackaday.com/2025/03/27/aqmood-is-an-air-quality-monitor-with-an-attitude/
https://hackaday.com/2025/03/27/aqmood-is-an-air-quality-monitor-with-an-attitude/
Your Badminton Racket Needs Restringing? There’s a DIY Machine for That
?w=800" alt=""/>We don’t often get our badminton rackets restrung, but if we did, [kuokuo702]’s PicoBETH project would be where we’d turn. This is a neat machine build for a very niche https://hackaday.com/2025/03/27/your-badminton-racket-needs-restringing-theres-a-diy-machine-for-that/
Why are Micro Center Flash Drives so Slow?
?w=800" alt=""/>Every year, USB flash drives get cheaper and hold more data. Unfortunately, they don’t always get faster. The reality is, many USB 3.0 flash drives aren’t noticeably faster than their https://hackaday.com/2025/03/26/why-are-micro-center-flash-drives-so-slow/
https://hackaday.com/2025/03/26/why-are-micro-center-flash-drives-so-slow/
Fitting a Spell Checker into 64 kB
?w=800" alt=""/>By some estimates, the English language contains over a million unique words. This is perhaps overly generous, but even conservative estimates generally put the number at over a hundred thousand. https://hackaday.com/2025/03/26/fitting-a-spell-checker-into-64-kb/
https://hackaday.com/2025/03/26/fitting-a-spell-checker-into-64-kb/
Designing a Portable Mac Mini
?w=800" alt=""/>When Apple first launched the Macintosh, it created a new sort of “Lunchbox” form factor that was relatively portable and very, very cool. Reminiscent of that is this neat portable https://hackaday.com/2025/03/25/designing-a-portable-mac-mini/
https://hackaday.com/2025/03/25/designing-a-portable-mac-mini/
Handheld Console Plays Original Pong With Modern E-Waste
?w=800" alt=""/>[Simon] wrote in to let us know about DingPong, his handheld portable Pong console. There’s a bit more to it than meets the eye, however. Consider for a moment that https://hackaday.com/2025/03/24/handheld-console-plays-original-pong-with-modern-e-waste/
https://hackaday.com/2025/03/24/handheld-console-plays-original-pong-with-modern-e-waste/
Build a Starship Starship Bridge Simulator With EmptyEpsilon
?w=800"/>Who hasn’t dreamed of serving on the bridge of a Star Trek starship? Although the EmptyEpsilon project isn’t adorned with the Universe-famous LCARS user interface, it does provide a comprehensive https://hackaday.com/2025/03/23/build-a-starship-starship-bridge-simulator-with-emptyepsilon/
https://hackaday.com/2025/03/23/build-a-starship-starship-bridge-simulator-with-emptyepsilon/
Piezo Sensor Reviewed
?w=800" alt=""/>If you do FDM 3D printing, you know one of the biggest problems is sensing the bed. Nearly all printers have some kind of bed probing now, and it makes https://hackaday.com/2025/03/22/piezo-sensor-reviewed/
A Cute Handheld Gaming Device That You Can Build In An Altoids Tin
?w=800" alt=""/>The MintyPi was a popular project that put a Raspberry Pi inside an Altoids tin to make a pocketable gaming handheld. Unfortunately, it’s not the easiest build to replicate anymore, https://hackaday.com/2025/03/21/a-cute-handheld-gaming-device-that-you-can-build-in-an-altoids-tin/
https://hackaday.com/2025/03/21/a-cute-handheld-gaming-device-that-you-can-build-in-an-altoids-tin/