{ "usb": { "device_version": "0.0.2" }, "matrix_pins": { "cols": ["B14", "B13", "B12", "B0", "A7"], "rows": ["B3", "B4", "B9", "B8"] }, "encoder": { "rotary": [ {"pin_a": "B5", "pin_b": "B6"}, {"pin_a": "A1", "pin_b": "A2"}, {"pin_a": "A3", "pin_b": "A4"} ] }, "ws2812": { "pin": "A10" }, "processor": "STM32F103", "bootloader": "stm32duino" }