2 layers101.6 × 53.3 mm

Mouseboard
nmz787/rs232-sniffer
I needed a microcontroller-controlled RS-232 serial mouse, and had an Arduino Mega 2560 laying around.
17 partsGPL-2.0
Open-source boards designed in KiCad by nmz787 on GitHub, from 1 repository. A board’s address here is its repository’s there.

nmz787/rs232-sniffer
I needed a microcontroller-controlled RS-232 serial mouse, and had an Arduino Mega 2560 laying around.