qmk_firmware/keyboards/1upkeyboards/sweet16/v1/info.json

{
    "usb": {
        "pid": "0x0161",
        "device_version": "0.0.1"
    },
    "matrix_pins": {
        "cols": ["D1", "D0", "D4", "C6"],
        "rows": ["F4", "F5", "F6", "F7"]
    },
    "diode_direction": "COL2ROW",
    "processor": "atmega32u4",
    "bootloader": "caterina"
}