I'm building an ESP32-based wrist watch to show movies of my kids. It's an open-source platform (https://github.com/frankcohen/ReflectionsOS). I'm using the built-in ...

S2 mini board connected only to USB. After uploading and restart, serial port gone. Downgrade ESP32 boards to older version (2.0.8 work for me) solve problem.

One part that I find myself using somewhat regularly in microcontroller-based experiments is the “USB power bank” that provides USB-standard 5-V DC output and offers some basic protection features.

A few months ago we brought word that [Electronoobs] was working on his own open source alternative to pocket-sized temperature controlled soldering irons like the TS100. Powered by the ATMega328p ...