There is several classes: Button () is the class that listen to the serail port. ButtonEvent () call a callback function each time a button is pressed or released. ButtonEventRecorder () and ...

Simracing button box on Teensy 3.2 (Arduino) This is the source code of the button box made on the Teensa 3.2 (Arduino), the SimHub software is used for the LCD display.

I was bored over winter break and had these parts laying around... so I built her a "Button Box" based around an Arduino. Open source, hackable, and made by hand.