How to change LightKey binding?

[Petrakis]

You don´t need one the keypad has a usb connector like a good ol’ arduino.

[Tutorial] How to compile and upload code to the keypad

I decided to change the buttons layout of my cpi, from XY AB to AB XY because I felt more confortable that way and the thumb is in a better resting position, also I am really used to a Gameboy Color position [image] And found out that there is a bit of lack of information at plain sight (There is information, but you need to check the schematics) so I decided to make this guide to save you time for such a straightforward task that took me longer than I expected. First things first. If we don…