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/

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/

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/

Australia is known for great beaches, top-tier coffee, and a laidback approach to life that really doesn’t square with all the rules and regulations that exist Down Under. What it …read more (https://hackaday.com/2025/08/06/australias-space-program-finally-gets-off-the-pad-but-only-barely/)

A Portable 12 VDC Water Chiller for the Chemistry Lab
https://hackaday.com/2025/08/06/a-portable-12-vdc-water-chiller-for-the-chemistry-lab/

Having a chiller is often essential for the chemistry laboratory, but what if you’re somewhere without easy access to water, nevermind a mains outlet to plug your usual chiller into? …read more (https://hackaday.com/2025/08/06/a-portable-12-vdc-water-chiller-for-the-chemistry-lab/)

Jenny’s Daily Drivers: FreeDOS 1.4
https://hackaday.com/2025/08/06/jennys-daily-drivers-freedos-1-4/

When I was a student, I was a diehard Commodore Amiga user, having upgraded to an A500+ from my Sinclair Spectrum. The Amiga could do it all, it became my …read more (https://hackaday.com/2025/08/06/jennys-daily-drivers-freedos-1-4/)

2025 One Hertz Challenge: Square Waves The Way You Want ‘Em
https://hackaday.com/2025/08/06/2025-one-hertz-challenge-square-waves-the-way-you-want-em/