qmk_firmware/keyboards/ai03/equinox/rev0/info.json

{
    "matrix_pins": {
        "cols": ["C4", "B7", "C6", "C7", "B6", "B5", "B4", "B3", "B2", "B1", "B0", "D6"],
        "rows": ["D3", "C5", "D4", "D5"]
    },
    "diode_direction": "COL2ROW",
    "backlight": {
        "driver": "timer",
        "pin": "D1",
        "levels": 5,
        "breathing": true
    },
    "processor": "atmega32u2",
    "bootloader": "atmel-dfu"
}