qmk_firmware/keyboards/ocean/stealth/keyboard.json

{
    "keyboard_name": "Stealth",
    "manufacturer": "Ocean",
    "maintainer": "Ocean",
    "usb": {
        "vid": "0x9624",
        "pid": "0x0010",
        "device_version": "0.0.1"
    },
    "features": {
        "bootmagic": true,
        "extrakey": true,
        "mousekey": true,
        "nkro": true
    },
    "matrix_pins": {
        "cols": ["D0", "D4", "C6"],
        "rows": ["D1"]
    },
    "diode_direction": "ROW2COL",
    "development_board": "promicro",
    "layouts": {
        "LAYOUT": {
            "layout": [
                {"matrix": [0, 0], "x": 0, "y": 0, "w": 2.25},
                {"matrix": [0, 1], "x": 0, "y": 1, "w": 1.25},
                {"matrix": [0, 2], "x": 1.25, "y": 1}
            ]
        }
    }
}