qmk-firmware/keyboards/rgbkb/pan/rev1/32a/info.json

{
    "processor": "atmega32a",
    "bootloader": "usbasploader",
    "encoder": {
        "rotary": [
            {"pin_a": "B0", "pin_b": "B1"},
            {"pin_a": "D0", "pin_b": "B2"}
        ]
    }
}