qmk-keychron-q3-colemak-dh/keyboards/ploopyco/trackball/rev1/info.json

{
    "processor": "atmega32u4",
    "bootloader": "caterina",
    "matrix_pins": {
        "direct": [
            ["D4", "D2", "E6", "B5", "D7"]
        ]
    }
}