Duplo Locos by Skippy|Published 2018-07-16 ESP 8266 PCBI have a couple of these ESP8266 boards Lego Train: Duplo Compatible Motorized Locomotive [[https://www.thingiverse.com/thing:2479704|thing]] Related Articles Basic Duplo Track Stuff Duplo Buffer Stops Duplo Track Projects Train Cargo Yard – Gantry Crane
