Keebin’ with Kristina: the One with the Wafer-Thin Keyboard
https://hackaday.com/2025/05/19/keebin-with-kristina-the-one-with-the-wafer-thin-keyboard/
https://hackaday.com/2025/05/19/keebin-with-kristina-the-one-with-the-wafer-thin-keyboard/
Hackaday
Keebin’ With Kristina: The One With The Wafer-Thin Keyboard
But sir! I can’t believe I missed [dynam1keNL]’s initial flat offering from about a year ago, the mikefive, which came about when he and some friends ordered switches directly from Kail…
A UV Meter For The Flipper Zero
https://hackaday.com/2025/05/19/a-uv-meter-for-the-flipper-zero/
https://hackaday.com/2025/05/19/a-uv-meter-for-the-flipper-zero/
Hackaday
A UV Meter For The Flipper Zero
We all know UV radiation for its contributions to getting sunburned after a long day outside, but were you aware there are several types different types of UV rays at play? [Michael] has come up wi…
Easy Panels With InkJet, Adhesives, and Elbow Grease
https://hackaday.com/2025/05/19/easy-panels-with-inkjet-adhesives-and-elbow-grease/
https://hackaday.com/2025/05/19/easy-panels-with-inkjet-adhesives-and-elbow-grease/
Hackaday
Easy Panels With InkJet, Adhesives, And Elbow Grease
Nothing caps off a great project like a good, professional-looking front panel. Looking good isn’t easy, but luckily [Accidental Science] has a tutorial for a quick-and-easy front panel techn…
Overengineered Freezer Monitor Fills Market Void
https://hackaday.com/2025/05/19/overengineered-freezer-monitor-fills-market-void/
https://hackaday.com/2025/05/19/overengineered-freezer-monitor-fills-market-void/
Hackaday
Overengineered Freezer Monitor Fills Market Void
A lot of projects we see around here are built not just because they can be built, but because there’s no other option available. Necessity is the mother of invention, as they say. And for [J…
3D Printing Uranium-Carbide Structures for Nuclear Applications
https://hackaday.com/2025/05/19/3d-printing-uranium-carbide-structures-for-nuclear-applications/
https://hackaday.com/2025/05/19/3d-printing-uranium-carbide-structures-for-nuclear-applications/
Hackaday
3D Printing Uranium-Carbide Structures For Nuclear Applications
Within the nuclear sciences, including fuel production and nuclear medicine (radiopharmaceuticals), often specific isotopes have to be produced as efficiently as possible, or allow for the formatio…
An Open-Source Wii U Gamepad
https://hackaday.com/2025/05/19/an-open-source-wii-u-gamepad/
https://hackaday.com/2025/05/19/an-open-source-wii-u-gamepad/
Hackaday
An Open-Source Wii U Gamepad
Although Nintendo is mostly famous for making great games, they also have an infamous reputation for being highly litigious not only for reasonable qualms like outright piracy of their games, but a…
PentaPico: A Pi Pico Cluster For Image Convolution
https://hackaday.com/2025/05/20/pentapico-a-pi-pico-cluster-for-image-convolution/
https://hackaday.com/2025/05/20/pentapico-a-pi-pico-cluster-for-image-convolution/
Hackaday
PentaPico: A Pi Pico Cluster For Image Convolution
Here’s something fun. Our hacker [Willow Cunningham] has sent us a copy of their homework. This is their final project for the “ECE 574: Cluster Computing” course at the Universit…
An Awful 1990s PDA Delivers AI Wisdom
https://hackaday.com/2025/05/20/an-awful-1990s-pda-delivers-ai-wisdom/
https://hackaday.com/2025/05/20/an-awful-1990s-pda-delivers-ai-wisdom/
Hackaday
An Awful 1990s PDA Delivers AI Wisdom
There was a period in the 1990s when it seemed like the personal data assistant (PDA) was going to be the device of the future. If you were lucky you could afford a Psion, a PalmPilot, or even the …
The World Wide Web and the Death of Graceful Degradation
https://hackaday.com/2025/05/20/the-world-wide-web-and-the-death-of-graceful-degradation/
https://hackaday.com/2025/05/20/the-world-wide-web-and-the-death-of-graceful-degradation/
Hackaday
The World Wide Web And The Death Of Graceful Degradation
In the early days of the World Wide Web – with the Year 2000 and the threat of a global collapse of society were still years away – the crafting of a website on the WWW was both special…
When Repairs Go Inside Integrated Circuits
https://hackaday.com/2025/05/20/when-repairs-go-inside-integrated-circuits/
https://hackaday.com/2025/05/20/when-repairs-go-inside-integrated-circuits/
Hackaday
When Repairs Go Inside Integrated Circuits
What can you do if your circuit repair diagnosis indicates an open circuit within an integrated circuit (IC)? Your IC got too hot and internal wiring has come loose. You could replace the IC, sure.…
As The World Burns, At least You’ll Have Secure Messaging
https://hackaday.com/2025/05/20/as-the-world-burns-at-least-youll-have-secure-messaging/
https://hackaday.com/2025/05/20/as-the-world-burns-at-least-youll-have-secure-messaging/
Hackaday
As The World Burns, At Least You’ll Have Secure Messaging
There’s a section of our community who concern themselves with the technological aspects of preparing for an uncertain future, and for them a significant proportion of effort goes in to commu…
Stylus Synth Should Have Used a 555– and Did!
https://hackaday.com/2025/05/20/stylus-synth-should-have-used-a-555-and-did/
https://hackaday.com/2025/05/20/stylus-synth-should-have-used-a-555-and-did/
Hackaday
Stylus Synth Should Have Used A 555– And Did!
For all that “should have used a 555” is a bit of a meme around here, there’s some truth to it. The humble 555 is a wonderful tool in the right hands. That’s why it’s …
Working On Open-Source High-Speed Ethernet Switch
https://hackaday.com/2025/05/20/working-on-open-source-high-speed-ethernet-switch/
https://hackaday.com/2025/05/20/working-on-open-source-high-speed-ethernet-switch/
Hackaday
Working On Open-Source High-Speed Ethernet Switch
Our hacker [Andrew Zonenberg] reports in on his open-source high-speed Ethernet switch. He hasn’t finished yet, but progress has been made. If you were wondering what might be involved in a h…
Plugging Plasma Leaks in Magnetic Confinement With New Guiding Center Model
https://hackaday.com/2025/05/20/plugging-plasma-leaks-in-magnetic-confinement-with-new-guiding-center-model/
https://hackaday.com/2025/05/20/plugging-plasma-leaks-in-magnetic-confinement-with-new-guiding-center-model/
Hackaday
Plugging Plasma Leaks In Magnetic Confinement With New Guiding Center Model
Although the idea of containing a plasma within a magnetic field seems straightforward at first, plasmas are highly dynamic systems that will happily escape magnetic confinement if given half a cha…
The Mouse Language, Running on Arduino
https://hackaday.com/2025/05/20/the-mouse-language-running-on-arduino/
https://hackaday.com/2025/05/20/the-mouse-language-running-on-arduino/
Hackaday
The Mouse Language, Running On Arduino
Although plenty of us have our preferred language for coding, whether it’s C for its hardware access, Python for its usability, or Fortran for its mathematic prowess, not every language is sp…
Fault Analysis of a 120W Anker GaNPrime Charger
https://hackaday.com/2025/05/21/fault-analysis-of-a-120w-anker-ganprime-charger/
https://hackaday.com/2025/05/21/fault-analysis-of-a-120w-anker-ganprime-charger/
Hackaday
Fault Analysis Of A 120W Anker GaNPrime Charger
Taking a break from his usual prodding at suspicious AliExpress USB chargers, [DiodeGoneWild] recently had a gander at what used to be a good USB charger. Before it went completely dead, the Anker …
A Look Inside a Lemon of a Race Car
https://hackaday.com/2025/05/21/a-look-inside-a-lemon-of-a-race-car/
https://hackaday.com/2025/05/21/a-look-inside-a-lemon-of-a-race-car/
Hackaday
A Look Inside A Lemon Of A Race Car
Automotive racing is a grueling endeavor, a test of one’s mental and physical prowess to push an engineered masterpiece to its limit. This is all the more true of 24 hour endurance races wher…
Big Chemistry: Fuel Ethanol
https://hackaday.com/2025/05/21/big-chemistry-fuel-ethanol/
https://hackaday.com/2025/05/21/big-chemistry-fuel-ethanol/
Hackaday
Big Chemistry: Fuel Ethanol
If legend is to be believed, three disparate social forces in early 20th-century America – the temperance movement, the rise of car culture, and the Scots-Irish culture of the South – c…
A New Mac Plus Motherboard, No Special Chips Required
https://hackaday.com/2025/05/21/a-new-mac-plus-motherboard-no-special-chips-required/
https://hackaday.com/2025/05/21/a-new-mac-plus-motherboard-no-special-chips-required/
Hackaday
A New Mac Plus Motherboard, No Special Chips Required
The Macintosh Plus was Apple’s third version on the all-in-one Mac, and for its time it was a veritable powerhouse. If you don’t have one here in 2025 there are a variety of ways to emu…