{ "usb": { "pid": "0x0161", "device_version": "0.0.1" }, "ws2812": { "pin": "B1" }, "matrix_pins": { "cols": ["D1", "D0", "D4", "C6"], "rows": ["F4", "F5", "F6", "F7"] }, "diode_direction": "COL2ROW", "processor": "atmega32u4", "bootloader": "caterina" }