How to build your DCC-EX Arduino Mega Command station and install the sketch. Also using EngineDriver for demonstration. Elegoo Mega R3 Board: https://amzn.to/3VLBZ35 Breadboard Jumper Wires: https://amzn.to/4aiKCGU 12v 5a Power Supply: https://amzn.to/3vPEtD3 Ex-MotorShield 8874: https://store.dcc-ex.com/products/EX-MotorShield8874-p625878148 Ex-WiFiShield 8266: https://store.dcc-ex.com/products/EX-WiFiShield-8266-p625876731 Alternatives: 2 Amp Motor Shield: https://amzn.to/3VKX0ei Software: Ex-CommandStation software download (Free): https://dcc-ex.com/download/ex-commandstation.html#gsc.tab=0 Engine Driver Throttle (Free): https://play.google.com/store/apps/details?id=jmri.enginedriver&hl=en_US Optional: OLED Display (I2C 128x64): https://amzn.to/3J7ehXJ