A test application for the Adafruit Macropad and Pimoroni Trackball.
Use the Mu editor (or whatever CircuitPython IDE you prefer and load the font, code.py and lib directory onto your CIRCUITPY volume to test out your device.
You can find a 3D model for a case and links to the hardware required here: https://www.printables.com/model/1322099-case-for-the-adafruit-macropad-w-right-thumb-track
Thanks for the previous work done here: