note

[Kato RC #29] The Day AI Started Living in a Microcontroller for $44 — How the Arduino UNO Q Changed the 'Definition of Electronics Hobbyism'

In October 2025, Qualcomm acquired Arduino. At that moment, shockwaves ran through the maker community worldwide. 'Arduino is dead,' 'This is the end of open source.' Reddit erupted, and the Hacker ...
note

[Kato RC #30] The Day You Build a Submarine at Home — ESP-DIVE, a $125 FPV Underwater Explorer

Control it with your smartphone and view the underwater scenery through a browser. A sci-fi dream realized with an ESP32 and a 3D printer. The ESP-FLY featured in the previous [Kato RC #29] was a $30 ...
makeuseof

5 things to build with the $4 chip that's outselling the Raspberry Pi

Yadullah Abidi is a Computer Science graduate from the University of Delhi and holds a postgraduate degree in Journalism from the Asian College of Journalism, Chennai. With over a decade of experience ...
Hackaday

handhelds hacks

We do sometimes go on about how absurdly powerful microcontrollers are these days, but this time it’s technically a microprocessor, not a microcontroller, at the heart of the build — specifically, an ...