This week, Jonathan Bennett and Ben Meadors talk to Darko Fabijan about Semaphore, the newly Open Sourced Continuous Integration solution! Why go Open, and how has it gone so far? …read more (https://hackaday.com/2025/03/19/floss-weekly-episode-825-open-source-ci-with-semaphore/)

This M5Stack Game Is Surprisingly Addictive
https://hackaday.com/2025/03/19/this-m5stack-game-is-surprisingly-addictive/

For those of us lucky enough to have been at Hackaday Europe in Berlin, there was a feast of hacks at our disposal. Among them was [Vladimir Divic]’s gradients game, …read more (https://hackaday.com/2025/03/19/this-m5stack-game-is-surprisingly-addictive/)

From the Ashes: Coal Ash May Offer Rich Source of Rare Earth Elements
https://hackaday.com/2025/03/19/from-the-ashes-coal-ash-may-offer-rich-source-of-rare-earth-elements/

For most of history, the world got along fine without the rare earth elements. We knew they existed, we knew they weren’t really all that rare, and we really didn’t …read more (https://hackaday.com/2025/03/19/from-the-ashes-coal-ash-may-offer-rich-source-of-rare-earth-elements/)

Modern Computing’s Roots or The Manchester Baby
https://hackaday.com/2025/03/19/modern-computings-roots-or-the-manchester-baby/

In the heart of Manchester, UK, a groundbreaking event took place in 1948: the first modern computer, known as the Manchester Baby, ran its very first program. The Baby’s ability …read more (https://hackaday.com/2025/03/19/modern-computings-roots-or-the-manchester-baby/)

Pick Up A Pebble Again
https://hackaday.com/2025/03/19/pick-up-a-pebble-again/

A decade ago, smartwatches were an unexplored avenue full of exotic promise. There were bleeding-edge and eye-wateringly expensive platforms from the likes of Samsung or Apple, but for the more …read more (https://hackaday.com/2025/03/19/pick-up-a-pebble-again/)

World’s Smallest Blinky, Now Even Smaller
https://hackaday.com/2025/03/19/worlds-smallest-blinky-now-even-smaller/

Here at Hackaday, it’s a pretty safe bet that putting “World’s smallest” in the title of an article will instantly attract comments claiming that someone else built a far smaller …read more (https://hackaday.com/2025/03/19/worlds-smallest-blinky-now-even-smaller/)

PiEEG Kit is a Self-Contained Biosignal Labratory
https://hackaday.com/2025/03/20/pieeg-kit-is-a-self-contained-biosignal-labratory/

Back in 2023, we first brought you word of the PiEEG: a low-cost Raspberry Pi based device designed for detecting and analyzing electroencephalogram (EEG) and other biosignals for the purposes …read more (https://hackaday.com/2025/03/20/pieeg-kit-is-a-self-contained-biosignal-labratory/)

Chemistry Meets Mechatronics in This Engaging Art Piece
https://hackaday.com/2025/03/20/chemistry-meets-mechatronics-in-this-engaging-art-piece/