4 layers

StealTheMoon
choicebuilds/automatic-storage-unit
A 1 layer PCB built from scratch within 36 hours in the RoboTechs hackathon using an ESP32, fabricated using the LPKF Protomat and Protolaser.
22 parts
KiCad boards from 1 GitHub repository tagged “lpkf-laser-electronics”, the most starred first; open any of them in PCBKit.

choicebuilds/automatic-storage-unit
A 1 layer PCB built from scratch within 36 hours in the RoboTechs hackathon using an ESP32, fabricated using the LPKF Protomat and Protolaser.