Yes — DCC-EX is open-source. You only pay for the Arduino and motor shield. ModelRailPro is free to try for 30 days.

Which DCC-EX connection does ModelRailPro use?

Over Wi-Fi/Ethernet via TCP port 2560; over USB as a serial link in the Node.js version.

Control your DCC-EX with ModelRailPro

DCC-EX is a free, open-source DCC command station you build yourself on an Arduino (EX-CommandStation) — a popular, low-cost way into digital control. With a Wi-Fi/Ethernet shield it speaks over the network; over USB it is a serial link. ModelRailPro connects to either.

Brand: DCC-EX (open source) Protocol: DCC-EX / DCC Works

Connection settings

TCP 2560 (wifi) · USB serieel · default IP 192.168.1.110

How to connect your DCC-EX

Connect your DCC-EX to the same network/router as your computer.
Start ModelRailPro — your browser opens automatically.
Go to Manage → Connection, pick "DCC-EX" and enter the IP address.
Save. Pick a loco and drive — also from your phone on the same Wi-Fi.

⬇️ Download ModelRailPro 🔑 Try free for 30 days

Good to know

Give your EX-CommandStation a fixed IP in your router so it stays reachable.
No Wi-Fi shield? Use the Node.js version and connect the Arduino over USB.

Official site ↗

Frequently asked questions

Is DCC-EX free?: Yes — DCC-EX is open-source. You only pay for the Arduino and motor shield. ModelRailPro is free to try for 30 days.
Which DCC-EX connection does ModelRailPro use?: Over Wi-Fi/Ethernet via TCP port 2560; over USB as a serial link in the Node.js version.

Other command stations

Control your DCC-EX with ModelRailPro

Connection settings

How to connect your DCC-EX

Good to know

Frequently asked questions

Other command stations

Z21

DR5000

Märklin CS2/CS3

ECoS

Twin Center

Lenz (XpressNet)

Uhlenbrock (LocoNet)