KeyMo Brings a Pencil to the Cyberdeck Fight
https://hackaday.com/2025/07/24/keymo-brings-a-pencil-to-the-cyberdeck-fight/
https://hackaday.com/2025/07/24/keymo-brings-a-pencil-to-the-cyberdeck-fight/
Hackaday
KeyMo Brings A Pencil To The Cyberdeck Fight
Computers and cellphones can do so many things, but sometimes if you want to doodle or take a note, pencil and paper is the superior technology. You could carry a device and a pocket notebook, or y…
2025 One Hertz Challenge: 555 Timer Gets a Signal From Above
https://hackaday.com/2025/07/24/2025-one-hertz-challenge-555-timer-gets-a-signal-from-above/
https://hackaday.com/2025/07/24/2025-one-hertz-challenge-555-timer-gets-a-signal-from-above/
Hackaday
2025 One Hertz Challenge: 555 Timer Gets A Signal From Above
One of the categories we chose for the One Hertz Challenge is “Could Have Used a 555.” What about when you couldn’t have, but did anyway? The 555 is famously easy to use, but not …
Painting in Metal with Selective Electroplating
https://hackaday.com/2025/07/24/painting-in-metal-with-selective-electroplating/
https://hackaday.com/2025/07/24/painting-in-metal-with-selective-electroplating/
Hackaday
Painting In Metal With Selective Electroplating
Most research on electroplating tries to find ways to make it plate parts more uniformly. [Ajc150] took the opposite direction, though, with his selective electroplating project, which uses an elec…
Comprehensive Test Set Released For The Intel 80286
https://hackaday.com/2025/07/24/comprehensive-test-set-released-for-the-intel-80286/
https://hackaday.com/2025/07/24/comprehensive-test-set-released-for-the-intel-80286/
Hackaday
Comprehensive Test Set Released For The Intel 80286
Remember the 80286? It was the sequel to the 8086, the chip that started it all, and it powered a great number of machines in the early years of the personal computing revolution. It might not be a…
When the UK’s Telephone Network Went Digital With System X
https://hackaday.com/2025/07/24/when-the-uks-telephone-network-went-digital-with-system-x/
https://hackaday.com/2025/07/24/when-the-uks-telephone-network-went-digital-with-system-x/
Hackaday
When The UK’s Telephone Network Went Digital With System X
The switch from analog telephone exchanges to a purely digital network meant a revolution in just about any way imaginable. Gone were the bulky physical switches and associated system limitations. …
Not Repairing an Old Tape Recorder
https://hackaday.com/2025/07/24/not-repairing-an-old-tape-recorder/
https://hackaday.com/2025/07/24/not-repairing-an-old-tape-recorder/
Hackaday
Not Repairing An Old Tape Recorder
When you think of a tape recorder, you might think of a cassette tape. However, [Michael Simpson] has an old Star-Lite small reel-to-reel tape machine. It isn’t a repair so much as a rework t…
Reachy The Robot Gets a Mini (Kit) Version
https://hackaday.com/2025/07/25/reachy-the-robot-gets-a-mini-kit-version/
https://hackaday.com/2025/07/25/reachy-the-robot-gets-a-mini-kit-version/
Hackaday
Reachy The Robot Gets A Mini (Kit) Version
Reachy Mini is a kit for a compact, open-source robot designed explicitly for AI experimentation and human interaction. The kit is available from Hugging Face, which is itself a repository and host…
Transparent PCBs Trigger 90s Nostalgia
https://hackaday.com/2025/07/25/transparent-pcbs-trigger-90s-nostalgia/
https://hackaday.com/2025/07/25/transparent-pcbs-trigger-90s-nostalgia/
Hackaday
Transparent PCBs Trigger 90s Nostalgia
What color do you like your microcontroller boards? Blue? Red? Maybe white or black? Sadly, all of those are about to look old hat. Why? Well, as shared by [JLCPCB], this transparent Arduino looks …
This Week in Security: Sharepoint, Initramfs, and More
https://hackaday.com/2025/07/25/this-week-in-security-sharepoint-initramfs-and-more/
https://hackaday.com/2025/07/25/this-week-in-security-sharepoint-initramfs-and-more/
Hackaday
This Week In Security: Sharepoint, Initramfs, And More
There was a disturbance in the enterprise security world, and it started with a Pwn2Own Berlin. [Khoa Dinh] and the team at Viettel Cyber Security discovered a pair of vulnerabilities in Microsoft&…
Human in the Loop: Compass CNC Redefines Workspace Limits
https://hackaday.com/2025/07/25/human-in-the-loop-compass-cnc-redefines-workspace-limits/
https://hackaday.com/2025/07/25/human-in-the-loop-compass-cnc-redefines-workspace-limits/
Hackaday
Human In The Loop: Compass CNC Redefines Workspace Limits
CNCs come in many forms, including mills, 3D printers, lasers, and plotters, but one challenge seems universal: there’s always a project slightly too large for your machine’s work envelope. T…
Hackaday Podcast Episode 330: Hover Turtles, Dull Designs, and K’nex Computers
https://hackaday.com/2025/07/25/hackaday-podcast-episode-330-hover-turtles-dull-designs-and-knex-computers/
https://hackaday.com/2025/07/25/hackaday-podcast-episode-330-hover-turtles-dull-designs-and-knex-computers/
Hackaday
Hackaday Podcast Episode 330: Hover Turtles, Dull Designs, And K’nex Computers
What did you miss on Hackaday last week? Hackaday’s Elliot Williams and Al Williams are ready to catch you up on this week’s podcast. First, though, the guys go off on vibe coding and t…
2025 One Hertz Challenge: A Discrete Component Divider Chain
https://hackaday.com/2025/07/25/2025-one-hertz-challenge-a-discrete-component-divider-chain/
https://hackaday.com/2025/07/25/2025-one-hertz-challenge-a-discrete-component-divider-chain/
Hackaday
2025 One Hertz Challenge: A Discrete Component Divider Chain
Most of us know that a quartz clock uses a higher frequency crystal oscillator and a chain of divider circuits to generate a 1 Hz pulse train. It’s usual to have a 32.768 kHz crystal and a 15…
Massive Aluminum Snake Casting Becomes Water Cooling Loop For PC
https://hackaday.com/2025/07/25/massive-aluminum-snake-casting-becomes-water-cooling-loop-for-pc/
https://hackaday.com/2025/07/25/massive-aluminum-snake-casting-becomes-water-cooling-loop-for-pc/
Hackaday
Massive Aluminum Snake Casting Becomes Water Cooling Loop For PC
Water cooling was once only the preserve of hardcore casemodders and overclockers. Today, it’s pretty routinely used in all sorts of performance PC builds. However, few are using large artist…
Zine Printing Tips From a Solopreneur
https://hackaday.com/2025/07/25/zine-printing-tips-from-a-solopreneur/
https://hackaday.com/2025/07/25/zine-printing-tips-from-a-solopreneur/
Hackaday
Zine Printing Tips From A Solopreneur
Zines (self-produced, small-circulation publications) are extremely DIY, and therefore punk- and hacker-adjacent by nature. While they can be made with nothing more than a home printer or photocopi…
Building a Color Teaching Toy For Tots
https://hackaday.com/2025/07/25/building-a-color-teaching-toy-for-tots/
https://hackaday.com/2025/07/25/building-a-color-teaching-toy-for-tots/
Hackaday
Building A Color Teaching Toy For Tots
Last year, [Deep Tronix] wished to teach colors to his nephew. Thus, he built a toy to help educate a child about colors by pairing them with sounds, and Color Player was born. The build is based a…
A Modern Version of Famous, Classic Speaker
https://hackaday.com/2025/07/25/a-modern-version-of-famous-classic-speaker/
https://hackaday.com/2025/07/25/a-modern-version-of-famous-classic-speaker/
Hackaday
A Modern Version Of Famous, Classic Speaker
Modern musicians may take for granted that a wide array of musical instruments can either be easily connected to a computer or modeled entirely in one, allowing for all kinds of nuanced ways of cre…
Listening To Ethernet Via Eurorack
https://hackaday.com/2025/07/26/listening-to-ethernet-via-eurorack/
https://hackaday.com/2025/07/26/listening-to-ethernet-via-eurorack/
Hackaday
Listening To Ethernet Via Eurorack
Ethernet is how we often network computers together, particularly when they’re too important to leave on a fussy WiFi connection. Have you ever thought about listening to Ethernet signals, th…
Read QR Codes on the Cheap
https://hackaday.com/2025/07/26/read-qr-codes-on-the-cheap/
https://hackaday.com/2025/07/26/read-qr-codes-on-the-cheap/
Hackaday
Read QR Codes On The Cheap
Adding a camera to a project used to be a chore, but modern camera modules make it simple. But what if you want to read QR codes? [James Bowman] noticed a $7 module that claims to read QR codes so …
Personalization, Industrial Design, and Hacked Devices
https://hackaday.com/2025/07/26/personalization-industrial-design-and-hacked-devices/
https://hackaday.com/2025/07/26/personalization-industrial-design-and-hacked-devices/
Hackaday
Personalization, Industrial Design, And Hacked Devices
[Maya Posch] wrote up an insightful, and maybe a bit controversial, piece on the state of consumer goods design: The Death Of Industrial Design And The Era Of Dull Electronics. Her basic thesis is …
Signal Injector Might Still be Handy
https://hackaday.com/2025/07/26/signal-injector-might-still-be-handy/
https://hackaday.com/2025/07/26/signal-injector-might-still-be-handy/
Hackaday
Signal Injector Might Still Be Handy
Repairing radios was easier when radios were simple. There were typically two strategies. You could use a signal tracer (an amplifier) to listen at the volume control. If you heard something, the p…