keychron_qmk_firmware/keyboards/kin80/blackpill103/info.json

{
    "usb": {
        "device_version": "0.0.2"
    },
    "matrix_pins": {
        "cols": ["A6", "A7", "B0", "B1", "B10", "B11", "A0", "A1", "A2", "A3", "A4", "A5"],
        "rows": ["B8", "B9", "C13", "B7", "B6", "B5", "B4"]
    },
    "diode_direction": "COL2ROW",
    "indicators": {
        "caps_lock": "B13",
        "num_lock": "B14",
        "scroll_lock": "B15",
        "on_state": 0
    },
    "processor": "STM32F103",
    "bootloader": "stm32duino"
}