{ "keyboard_name": "Jian", "usb": { "device_version": "2.0.0" }, "matrix_pins": { "cols": ["D3", "D2", "B4", "F6", "F7", "B2"], "rows": ["F4", "F5", "B1", "B3"] }, "diode_direction": "COL2ROW", "backlight": { "pin": "C6", "levels": 5 }, "qmk_lufa_bootloader": { "esc_input": "B1", "esc_output": "D3" }, "split": { "soft_serial_pin": "D1" }, "processor": "atmega32u4", "bootloader": "qmk-dfu" }