The Motif I wanted to use a compact device to measure and display the speed of some orbiting wheels. I quickly created a simple but compact digital tachometer using an Arduino Uno microcontroller and ...

Posted in Radio Hacks Tagged arduino, ham, lcd, signal visualizer, waterfall ← How To Build Your Own Pulsed Laser Pistol Scavenging Ambient Electromagnetic Energy → ...

Arduino shield demonstrates 25m optical fibre comms OMC has launched a fibre optic transceiver shield for Arduino Uno, designed to work with PMMA (polymer) optical cables up to 25m long, plus ...