qmk_firmware/keyboards/earth_rover/info.json

{
    "keyboard_name": "earth_rover",
    "manufacturer": "k.bigwheel",
    "url": "https://github.com/bigwheel/earth_rover",
    "maintainer": "k.bigwheel",
    "usb": {
        "vid": "0xFEED",
        "pid": "0xEE11",
        "device_version": "0.0.1"
    },
    "matrix_pins": {
        "cols": ["F4", "F5", "F6", "F7"],
        "rows": ["D4", "C6", "D7", "E6"]
    },
    "diode_direction": "COL2ROW",
    "processor": "atmega32u4",
    "bootloader": "caterina",
    "layouts": {
        "LAYOUT": {
            "layout": [
                {"matrix": [0, 1], "x": 1.25, "y": 0},
                {"matrix": [0, 2], "x": 2.25, "y": 0},

                {"matrix": [1, 0], "x": 0, "y": 1.25},
                {"matrix": [1, 1], "x": 1.25, "y": 1.25},
                {"matrix": [1, 2], "x": 2.25, "y": 1.25},
                {"matrix": [1, 3], "x": 3.5, "y": 1.25},

                {"matrix": [2, 0], "x": 0, "y": 2.25},
                {"matrix": [2, 1], "x": 1.25, "y": 2.25},
                {"matrix": [2, 2], "x": 2.25, "y": 2.25},
                {"matrix": [2, 3], "x": 3.5, "y": 2.25},

                {"matrix": [3, 0], "x": 0, "y": 3.25},
                {"matrix": [3, 1], "x": 1.25, "y": 3.25},
                {"matrix": [3, 2], "x": 2.25, "y": 3.25},
                {"matrix": [3, 3], "x": 3.5, "y": 3.25}
            ]
        }
    }
}