qmk_firmware/keyboards/percent/booster/info.json

{
    "keyboard_name": "Booster",
    "manufacturer": "Percent Studio",
    "url": "",
    "maintainer": "qmk",
    "usb": {
        "vid": "0x5053",
        "pid": "0x4253",
        "device_version": "0.0.1"
    },
    "matrix_pins": {
        "cols": ["C7", "D4", "D2", "D0"],
        "rows": ["D1", "D6", "D7", "B4", "B5"]
    },
    "diode_direction": "COL2ROW",
    "backlight": {
        "pin": "B7"
    },
    "processor": "atmega32u4",
    "bootloader": "atmel-dfu",
    "community_layouts": ["numpad_5x4"],
    "layouts": {
        "LAYOUT_numpad_5x4": {
            "layout": [
                {"matrix": [0, 0], "x": 0, "y": 0},
                {"matrix": [0, 1], "x": 1, "y": 0},
                {"matrix": [0, 2], "x": 2, "y": 0},
                {"matrix": [0, 3], "x": 3, "y": 0},

                {"matrix": [1, 0], "x": 0, "y": 1},
                {"matrix": [1, 1], "x": 1, "y": 1},
                {"matrix": [1, 2], "x": 2, "y": 1},

                {"matrix": [2, 0], "x": 0, "y": 2},
                {"matrix": [2, 1], "x": 1, "y": 2},
                {"matrix": [2, 2], "x": 2, "y": 2},
                {"matrix": [2, 3], "x": 3, "y": 1, "h": 2},

                {"matrix": [3, 0], "x": 0, "y": 3},
                {"matrix": [3, 1], "x": 1, "y": 3},
                {"matrix": [3, 2], "x": 2, "y": 3},

                {"matrix": [4, 0], "x": 0, "y": 4, "w": 2},
                {"matrix": [4, 2], "x": 2, "y": 4},
                {"matrix": [3, 3], "x": 3, "y": 3, "h": 2}
            ]
        }
    }
}