The power management module that saves you money. For sensors, SBCs, or anything USB-powered that runs in conditions where power is limited!
Have you ever been annoyed with overly complicated bike lights? This project is for you!
I built this for my girlfriend — a WS2812B LED earring with ultra-compact custom wearable PCB design.
A $12 open-source device that monitors soil moisture around young trees and signals passersby to water them with a simple LED: red = thirsty
