Making an LED blink is usually achieved by interrupting its power supply, This can be achieved through any number of oscillator circuits, or even by means of a mechanical system …read more (https://hackaday.com/2025/08/05/2025-one-hertz-challenge-blinking-an-led-the-very-old-fashioned-way/)
Flex PCB Underlies the Watch of the Future
https://hackaday.com/2025/08/05/flex-pcb-underlies-the-watch-of-the-future/
https://hackaday.com/2025/08/05/flex-pcb-underlies-the-watch-of-the-future/
If you were at OpenSauce, you may have seen new Youtuber [Sahko] waltzing about with a retrofuturistic peice of jewelery that revealed itself as a very cool watch. If you …read more (https://hackaday.com/2025/08/05/flex-pcb-underlies-the-watch-of-the-future/)
2025 One Hertz Challenge: Shoulda Put a Ring Oscillator On It
https://hackaday.com/2025/08/05/2025-one-hertz-challenge-shoulda-put-a-ring-oscillator-on-it/
https://hackaday.com/2025/08/05/2025-one-hertz-challenge-shoulda-put-a-ring-oscillator-on-it/
Entries keep ticking in for the One Hertz Challenge, some more practical than others. [Pierre-Loup M.]’s One Hertz Sculpture has no pretensions of being anything but pretty, but we can …read more (https://hackaday.com/2025/08/05/2025-one-hertz-challenge-shoulda-put-a-ring-oscillator-on-it/)
Web systems are designed to be simple and reliable. Designing for the everyday person is the goal, but if you don’t consider the odd man out, they may encounter some …read more (https://hackaday.com/2025/08/05/why-names-break-systems/)
2025 One Hertz Challenge: LoRaSense RGB Pi HAT
https://hackaday.com/2025/08/05/2025-one-hertz-challenge-lorasense-rgb-pi-hat/
https://hackaday.com/2025/08/05/2025-one-hertz-challenge-lorasense-rgb-pi-hat/
Our hacker [Avi Gupta] has sent in their submission for the One Hertz Challenge: the LoRaSense RGB Pi HAT. This “HAT” (Hardware Attached to Top) is for any Raspberry Pi …read more (https://hackaday.com/2025/08/05/2025-one-hertz-challenge-lorasense-rgb-pi-hat/)
A Speed Loader For Your 3D Printer Filament
https://hackaday.com/2025/08/06/a-speed-loader-for-your-3d-printer-filament/
https://hackaday.com/2025/08/06/a-speed-loader-for-your-3d-printer-filament/
Reloading filament on a 3D printer is hardly anyone’s favorite task, but it’s even worse when you’re trying to shove stiff filament down a long and winding Bowden tube. Enter …read more (https://hackaday.com/2025/08/06/a-speed-loader-for-your-3d-printer-filament/)
Can a Thermal Printer Cure ADHD?
https://hackaday.com/2025/08/06/can-a-thermal-printer-cure-adhd/
https://hackaday.com/2025/08/06/can-a-thermal-printer-cure-adhd/
No, of course not. Per Betteridge’s law, that’s the answer to any headline with a question mark. On the other hand, while a thermal printer might not cure ADHD, it …read more (https://hackaday.com/2025/08/06/can-a-thermal-printer-cure-adhd/)
Australia’s Space Program Finally Gets Off The Pad, But Only Barely
https://hackaday.com/2025/08/06/australias-space-program-finally-gets-off-the-pad-but-only-barely/
https://hackaday.com/2025/08/06/australias-space-program-finally-gets-off-the-pad-but-only-barely/