qmk_firmware/keyboards/mectechpad/keyboard.json

{
    "manufacturer": "Printronics",
    "keyboard_name": "Mectechpad",
    "maintainer": "jacksaxi",
    "bootloader": "rp2040",
    "debounce": 15,
    "diode_direction": "ROW2COL",
    "features": {
        "bootmagic": true,
        "extrakey": true,
        "mousekey": true
    },
    "matrix_pins": {
        "rows": ["GP13", "GP26", "GP15", "GP14"],
        "cols": ["GP29", "GP28", "GP27"]
    },
    "processor": "RP2040",
    "url": "printronics.gr",
    "usb": {
        "device_version": "1.0.0",
        "pid": "0x1A2B",
        "vid": "0x3C4D"
    },
    "layouts": {
        "LAYOUT": {
            "layout": [
                {"matrix": [0, 0], "x": 0, "y": 0},
                {"matrix": [1, 0], "x": 0, "y": 1}, 
                {"matrix": [1, 1], "x": 1, "y": 1}, 
                {"matrix": [1, 2], "x": 2, "y": 1},  
                {"matrix": [2, 0], "x": 0, "y": 2}, 
                {"matrix": [2, 1], "x": 1, "y": 2}, 
                {"matrix": [2, 2], "x": 2, "y": 2},  
                {"matrix": [3, 0], "x": 0, "y": 3}, 
                {"matrix": [3, 1], "x": 1, "y": 3}, 
                {"matrix": [3, 2], "x": 2, "y": 3}
            ]
        }
    }
}