2 layers75.7 × 80.9 mm
Nocodephprobe
cristoper/nocodephmeter
A pH meter for use with inexpensive pH probes (for gardening, home experiments) with temperature compensation and digital readout but no microcontroller
52 parts3MIT
Open-source KiCad boards
1 match “cristoper”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.