{ "keyboard_name": "Hex-4B Rev.2", "usb": { "device_version": "0.0.2" }, "matrix_pins": { "cols": ["B11", "B10", "B2", "B1", "B0", "A7", "A6", "A5", "A3", "C13", "B7", "B6", "B5", "B4", "B3"], "rows": ["A4", "B12", "B13", "B14", "B15", "A1"] }, "diode_direction": "COL2ROW", "backlight": { "pin": "B8", "levels": 5, "breathing": true }, "indicators": { "caps_lock": "B9", "num_lock": "C15", "scroll_lock": "A15", "on_state": 0 }, "processor": "STM32F103", "bootloader": "stm32duino" }