2 layers

Caduceus
Embedded-Systems-Discord/1-Caduceus
A maker-friendly board with single pair ethernet both for power and for data, that will work with Arduino
89 parts10GPL-3.0
Open-source boards designed in KiCad by Embedded-Systems-Discord on GitHub, from 1 repository. A board’s address here is its repository’s there.

Embedded-Systems-Discord/1-Caduceus
A maker-friendly board with single pair ethernet both for power and for data, that will work with Arduino