qmk_firmware/keyboards/mexsistor/ludmila/info.json

{
    "keyboard_name": "Ludmila Macropad",
    "manufacturer": "Kevin M.",
    "url": "",
    "maintainer": "Kevin M.",
    "usb": {
        "vid": "0x69CC",
        "pid": "0x6BF6",
        "device_version": "0.0.1"
    },
    "encoder": {
        "rotary": [
            {"pin_a": "F6", "pin_b": "F5"}
        ]
    },
    "processor": "atmega32u4",
    "bootloader": "atmel-dfu",
    "layouts": {
        "LAYOUT": {
            "layout": [
                {"matrix": [0, 0], "x": 0, "y": 0},
                {"matrix": [0, 1], "x": 1, "y": 0},

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

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