2 layers34.1 × 99 mm

DuploTrainController NG
rzuehlsd/DUPLO_Train_Remote_Controller
ESP32 Remote Controller for Lego DUPLO Trains with Record/Replay Function
16 parts5
KiCad boards from 2 GitHub repositories tagged “record”, the most starred first; open any of them in PCBKit.

rzuehlsd/DUPLO_Train_Remote_Controller
ESP32 Remote Controller for Lego DUPLO Trains with Record/Replay Function

sebmate/MagicQuartz-TechDemo
Turntable speedbox implementation for the MagicQuartz firmware