A Raspberry Pi, an Adafruit 7-segment display, a 3D printed case, some vibe coding—and we've got a forever-clock that never needs adjusting.

This uses three limit switches to check whether tools are in their slots. A Raspberry Pi Pico W reads the switches and sends updates through ntfy. The main goal of this is to try to mimic the usage ...

Maintaining water quality is a critical requirement in aquaculture, industrial water treatment, and smart environmental monitoring. Traditional monitoring methods usually rely on manual measurements, ...