{ "keyboard_name": "Charybdis Nano (3x5) Blackpill", "usb": { "device_version": "1.0.0" }, "matrix_pins": { "cols": ["B1", "B10", "B3", "B4", "B5"], "rows": ["A2", "B8", "A8", "B9"] }, "diode_direction": "ROW2COL", "processor": "STM32F411", "bootloader": "stm32-dfu", "board": "BLACKPILL_STM32_F411" }