{ "matrix_pins": { "cols": ["C4", "C5", "C6", "C7", "B7", "B6", "B5", "B4", "B3", "D5", "D4", "D3"], "rows": ["B2", "B1", "B0"] }, "diode_direction": "COL2ROW", "processor": "atmega32u2", "bootloader": "atmel-dfu" }