qmk_firmware/keyboards/kakunpc/suihankey/split/alpha/info.json

{
    "rgblight": {
        "saturation_steps": 8,
        "brightness_steps": 8,
        "led_count": 18,
        "sleep": true
    },
    "ws2812": {
        "pin": "D3"
    },
    "matrix_pins": {
        "cols": ["D4", "C6", "D7", "E6", "B4"],
        "rows": ["F4", "F5", "F6", "F7"]
    },
    "diode_direction": "COL2ROW",
    "layout_aliases": {
        "LAYOUT": "LAYOUT_split_3x5_3"
    },
    "layouts": {
        "LAYOUT_split_3x5_3": {
            "layout": [
                {"matrix": [0, 0], "x": 0, "y": 0.375},
                {"matrix": [0, 1], "x": 1, "y": 0.125},
                {"matrix": [0, 2], "x": 2, "y": 0},
                {"matrix": [0, 3], "x": 3, "y": 0.125},
                {"matrix": [0, 4], "x": 4, "y": 0.25},

                {"matrix": [4, 4], "x": 8.2, "y": 0.25},
                {"matrix": [4, 3], "x": 9.2, "y": 0.125},
                {"matrix": [4, 2], "x": 10.2, "y": 0},
                {"matrix": [4, 1], "x": 11.2, "y": 0.125},
                {"matrix": [4, 0], "x": 12.2, "y": 0.375},

                {"matrix": [1, 0], "x": 0, "y": 1.375},
                {"matrix": [1, 1], "x": 1, "y": 1.125},
                {"matrix": [1, 2], "x": 2, "y": 1},
                {"matrix": [1, 3], "x": 3, "y": 1.125},
                {"matrix": [1, 4], "x": 4, "y": 1.25},

                {"matrix": [5, 4], "x": 8.2, "y": 1.25},
                {"matrix": [5, 3], "x": 9.2, "y": 1.125},
                {"matrix": [5, 2], "x": 10.2, "y": 1},
                {"matrix": [5, 1], "x": 11.2, "y": 1.125},
                {"matrix": [5, 0], "x": 12.2, "y": 1.375},

                {"matrix": [2, 0], "x": 0, "y": 2.375},
                {"matrix": [2, 1], "x": 1, "y": 2.125},
                {"matrix": [2, 2], "x": 2, "y": 2},
                {"matrix": [2, 3], "x": 3, "y": 2.125},
                {"matrix": [2, 4], "x": 4, "y": 2.25},

                {"matrix": [6, 4], "x": 8.2, "y": 2.25},
                {"matrix": [6, 3], "x": 9.2, "y": 2.125},
                {"matrix": [6, 2], "x": 10.2, "y": 2},
                {"matrix": [6, 1], "x": 11.2, "y": 2.125},
                {"matrix": [6, 0], "x": 12.2, "y": 2.375},

                {"matrix": [3, 0], "x": 3.4, "y": 3.25},
                {"matrix": [3, 1], "x": 4.4, "y": 3.55},
                {"matrix": [3, 2], "x": 5.4, "y": 3.85},

                {"matrix": [7, 2], "x": 6.8, "y": 3.85},
                {"matrix": [7, 1], "x": 7.8, "y": 3.55},
                {"matrix": [7, 0], "x": 8.8, "y": 3.25}
            ]
        }
    }
}