qmk_firmware/keyboards/recompile_keys/choco60/rev1/keyboard.json

{
    "features": {
        "bootmagic": false,
        "extrakey": true,
        "mousekey": false,
        "nkro": false
    },
    "matrix_pins": {
        "cols": ["F4", "F5", "F6", "F7", "B1", "B3", "B2", "B6", "D1"],
        "rows": ["C6", "D7", "E6", "B4", "B5"]
    },
    "diode_direction": "COL2ROW",
    "split": {
        "enabled": true,
        "handedness": {
            "pin": "D0"
        },
        "serial": {
            "pin": "D3"
        }
    },
    "development_board": "promicro"
}