What does one do when frustrated at the lack of affordable, open source portable trackers? If you’re [OG-star-tech], you design your own and give it modular features that rival commercial offerings …read more (https://hackaday.com/2025/02/25/diy-open-source-star-tracker-gets-you-those-great-night-shots/)

A Ten Band SDR Transceiver For Homebrewers
https://hackaday.com/2025/02/26/a-ten-band-sdr-transceiver-for-homebrewers/

Making a multi-band amateur radio transceiver has always been a somewhat challenging project, and making one that also supported different modes would for many years have been of almost impossible …read more (https://hackaday.com/2025/02/26/a-ten-band-sdr-transceiver-for-homebrewers/)

New Camera Does Realtime Holographic Capture, No Coherent Light Required
https://hackaday.com/2025/02/26/new-camera-does-realtime-holographic-capture-no-coherent-light-required/

Holography is about capturing 3D data from a scene, and being able to reconstruct that scene — preferably in high fidelity. Holography is not a new idea, but engaging in …read more (https://hackaday.com/2025/02/26/new-camera-does-realtime-holographic-capture-no-coherent-light-required/)

Hackaday Europe 2025: Workshops and More Speakers
https://hackaday.com/2025/02/26/hackaday-europe-2025-workshops-and-more-speakers/

We’re proud to announce the last round of speakers, as well as the two workshops that we’ll be running at 2025 Hackaday Europe in Berlin on March 15th and 16th …read more (https://hackaday.com/2025/02/26/hackaday-europe-2025-workshops-and-more-speakers/)

UL Investigates the Best Way to Fight EV Fires
https://hackaday.com/2025/02/26/ul-investigates-the-best-way-to-fight-ev-fires/

While electric vehicles (EVs) are generally less likely to catch fire than their internal combustion counterparts, it does still happen, and firefighters need to be ready. Accordingly, the UL Research …read more (https://hackaday.com/2025/02/26/ul-investigates-the-best-way-to-fight-ev-fires/)

Too Smooth: Football and the “KnuckleBall” Problem
https://hackaday.com/2025/02/26/too-smooth-football-and-the-knuckleball-problem/

Picture a football (soccer ball) in your head and you probably see the cartoon ideal—a roughly spherical shape made with polygonal patches that are sewn together, usually in a familiar …read more (https://hackaday.com/2025/02/26/too-smooth-football-and-the-knuckleball-problem/)

FLOSS Weekly Episode 822: Nand2Tetris
https://hackaday.com/2025/02/26/floss-weekly-episode-822-nand2tetris/

This week, Jonathan Bennett and Rob Campbell talk with Shimon Schocken about Nand2Tetris, the free course about building a computer from first principles. What was the inspiration for the course? …read more (https://hackaday.com/2025/02/26/floss-weekly-episode-822-nand2tetris/)

Want a Truck with a Short Bed and a Long Camper Shell?
https://hackaday.com/2025/02/26/want-a-truck-with-a-short-bed-and-a-long-camper-shell/