My First Automated Lego Train Track! Simple automation of switch, lights, and boom barrier. Looking forward to making bigger and better! : r/LEGOtrains
Arduino for Lego Trains #10: The Automated Marshall Yard - YouTube
LEGO MOC Cargo Train 60197 with Colour Sensor update and Powered Up App control panel 88007 by osna_wolle | Rebrickable - Build with LEGO
4 Switch Combo for original Lego switches
Lego trains random controlled and automated by Arduino - YouTube