Optiboot (an older version) is installed by default on the Arduino Uno and (as of 2018) official Arduino Nano boards. It can be installed on all older mega8, 168 or 328 based Arduinos. As of 2019, ...

I built a whole-home ad blocker with a $7 ESP32-S3 board - and it took just minutes ...

ESP32s are surprisingly good AI lie detectors.

If you have an interest in electronics and have been hanging around DIY tech forums for a while now, chances are you already know what an Arduino is. This microcontroller is at the heart of countless ...