{ "keyboard_name": "Onekey Blackpill STM32F401 TinyUF2", "processor": "STM32F401", "bootloader": "tinyuf2", "board": "BLACKPILL_STM32_F401", "matrix_pins": { "cols": ["B0"], "rows": ["A7"] }, "backlight": { "pin": "A0" }, "rgblight": { "pin": "A1" } }