My First Automated Lego Train Track! Simple automation of switch, lights, and boom barrier. Looking forward to making bigger and better! : r/LEGOtrains
Train Track Switch - Servos, LEDs, PubNub and Johnny-five.io - Internet of LEGO
POMOK Technic Functions Power Functions Motor Set Compatible with Lego, 12Pcs Power Modification Accessories MOC Technic Servo Motor Kit, XL/M Motor DIY Train Adjustable Speed Motor Accessories