Propeller Beanie Engineer Hat

EX‑IOExpander is a software based I/O expander using an Arduino microcontroller to expand the I/O pins available for EX‑CommandStation using both digital and analogue pins.

You can now use EX‑Installer to download and install EX‑IOExpander.


If you have any difficulties with the automated installer link try these:

Clicking on the link below will automatically find the correct version of the installer for your Computer and Operating system (Windows, Apple, Linux) and download it.

This downloads a self contained app that can automatically load the software from your computer to your Arduino or other supported board. Click here for EX-Installer installation instructions.

If you need to obtain the source code for any reason, it is available on GitHub here: