qmk-firmware/keyboards/handwired/onekey/sipeed_longan_nano/info.json

{
    "keyboard_name": "Onekey Sipeed Longan Nano",
    "processor": "GD32VF103",
    "bootloader": "gd32v-dfu",
    "board": "SIPEED_LONGAN_NANO",
    "matrix_pins": {
        "cols": ["B0"],
        "rows": ["A7"]
    },
    "backlight": {
        "pin": "A1"
    },
    "rgblight": {
        "pin": "A2"
    }
}