6 layers84 × 50 mm

Solar ribbit
Ribbit-Network/ribbit-network-frog-hardware
The sensor for the world's largest crowdsourced network of open-source, low-cost, GHG Gas Detection Sensors.
171 parts107MIT
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.

Ribbit-Network/ribbit-network-frog-hardware
The sensor for the world's largest crowdsourced network of open-source, low-cost, GHG Gas Detection Sensors.