2 layers21.6 × 20.3 mm

Mic2250 boost 01
oxycon/ProjectApollo
Designs/docs/software/PCB for Project Apollo (open source oxygen concentrator)
10 parts41MIT
Printed circuit boards designed in KiCad and published on GitHub, each with its parts, layers and size, its README and its files; open any of them in PCBKit.

oxycon/ProjectApollo
Designs/docs/software/PCB for Project Apollo (open source oxygen concentrator)