3 posts

“battery powered”

Hardwareby Electro dude · Hackster

An 18650-powered ESP32 desk buddy with a knob

Hardwareby Brandy · Hackster

A 2.13-inch ePaper tag you update by tapping your phone

Codeby La Văn Thịnh (vthinh-la) · GitHub · open hardware

An ESP32 greenhouse brain with battery-powered ATmega nodes