qmk_firmware/keyboards/s_ol/0xc_pad/info.json

{
    "keyboard_name": "0xC.pad",
    "url": "https://s-ol.nu/0xC.pad",
    "diode_direction": "ROW2COL",
    "matrix_pins": {
      "rows": ["B7", "B6", "B5", "B4"],
      "cols": ["D4", "D3", "D2", "D1"]
    },
    "layouts": {
        "LAYOUT": {
            "layout": [
                {"matrix": [0, 0], "x": 1, "y": 0},
                {"matrix": [0, 1], "x": 2, "y": 0},

                {"matrix": [1, 0], "x": 0.5, "y": 1},
                {"matrix": [1, 1], "x": 1.5, "y": 1},
                {"matrix": [1, 2], "x": 2.5, "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": 2},

                {"matrix": [3, 1], "x": 0.5, "y": 3},
                {"matrix": [3, 2], "x": 1.5, "y": 3},
                {"matrix": [3, 3], "x": 2.5, "y": 3}
            ]
        }
    },
    "usb": {
      "vid": "0x732D",
      "pid": "0x0C70",
      "device_version": "0.0.1"
    },
    "processor": "atmega32u2",
    "bootloader": "atmel-dfu"
}