2 layers50 × 30 mm

KiCad boards from 2 GitHub repositories tagged “sigrok”, the most starred first; open any of them in PCBKit.


scottdube/deskhack
Reverse-engineered LOGICDATA COMPACT-e-3-VAL (ErgoSwiss hydraulic desk) handset bus: height readback + ESP32/ESPHome control through a $3 optocoupler tap. First public decode of the COMPACT-e-3's 9-bit serial protocol.