qmk_firmware/keyboards/tweetydabird/lotus58/promicro/keyboard.json

{
    "build": {
        "lto": true
    },
	"development_board": "promicro",
    "encoder": {
        "rotary": [
            {"pin_a": "F5", "pin_b": "F4", "resolution": 2}
        ]
    },
    "matrix_pins": {
        "cols": ["B1", "B2", "B3", "B6", "F7", "F6"],
        "rows": ["D4", "C6", "D7", "E6", "B4"]
    },
    "split": {
        "encoder": {
            "right": {
                "rotary": [
                    {"pin_a": "F4", "pin_b": "F5", "resolution": 2}
                ]
            }
        },
        "handedness": {
            "pin": "B5"
        },
        "serial": {
            "pin": "D2"
        }
    },
    "ws2812": {
        "pin": "D3"
    }
}