qmk_firmware/keyboards/atreus/promicro/keyboard.json

{
    "matrix_pins": {
        "cols": ["F5", "F6", "F7", "B1", "B3", "B6", "E6", "D7", "C6", "D4", "D0"],
        "rows": ["F4", "B2", "B4", "B5"]
    },
    "diode_direction": "COL2ROW",
    "processor": "atmega32u4",
    "bootloader": "caterina"
}