2 layers27 × 60 mm

OpenFMS
aasmr/openFMS
Open-source filament presence and motion sensor for Klipper 3D printers – includes MCU firmware, PCB design, and 3D printable parts.
41 partsMIT
Open-source boards designed in KiCad by aasmr on GitHub, from 1 repository. A board’s address here is its repository’s there.

aasmr/openFMS
Open-source filament presence and motion sensor for Klipper 3D printers – includes MCU firmware, PCB design, and 3D printable parts.