qmk-firmware/keyboards/mechlovin/hannah65/info.json

{
    "backlight": {
        "pin": "B8",
        "breathing": true
    },
    "matrix_pins": {
        "cols": ["B11", "B10", "B2", "B1", "B0", "A7", "A6", "A0", "C15", "B4", "B5", "B3", "C13", "C14", "A13"],
        "rows": ["A4", "A5", "A3", "A2", "A1"]
    },
    "diode_direction": "COL2ROW",
    "indicators": {
        "caps_lock": "B9",
        "on_state": 0
    },
    "processor": "STM32F303",
    "bootloader": "stm32-dfu",
    "board": "QMK_PROTON_C"
}