{ "keyboard_name": "Jian", "usb": { "device_version": "2.0.0" }, "backlight": { "pin": "C6", "levels": 5 }, "qmk_lufa_bootloader": { "esc_input": "B1", "esc_output": "D3" }, "split": { "soft_serial_pin": "D1" }, "processor": "atmega32u4", "bootloader": "qmk-dfu" }