Gameboy Zero 6 button GPIO / USB Common Ground Pad
This button pad features 6 front buttons, and 3 shoulder buttons giving you a total of 10 buttons in all!
There are also pads on the back if you wish to solder a Pro Micro to them and upload your own gamepad code. This method is handy of you wish to use USB instead of the GPIO Pins.
There are drill marks in the extra buttons making drilling them nice and easy.
The pad also comes with a 3d printed 6 button well to slot your buttons in place.
Need help setting up the software? check this guide out here