Overlay

/ {
    chosen {
        zmk,kscan = &kscan0;
        zmk,battery = &vbatt;
    };

    vbatt: vbatt {
         compatible = "zmk,battery-nrf-vddh";
    };

    kscan0: kscan {
        compatible = "zmk,kscan-gpio-matrix";
        label = "KSCAN";
        diode-direction = "col2row";

         row-gpios
            = <&pro_micro 19 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&pro_micro 18 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&pro_micro 15 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&pro_micro 14 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            ;

        col-gpios
            = <&pro_micro 9 GPIO_ACTIVE_HIGH>
            , <&pro_micro 8 GPIO_ACTIVE_HIGH>
            , <&pro_micro 7 GPIO_ACTIVE_HIGH>
            , <&pro_micro 6 GPIO_ACTIVE_HIGH>

            ;
    };

    left_encoder: encoder_left {
        compatible = "alps,ec11";
        label = "LEFT_ENCODER";
        a-gpios = <&pro_micro 20 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
        b-gpios = <&pro_micro 21 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
        steps = <80>;
        status = "okay";

    };

    sensors: sensors {
    compatible = "zmk,keymap-sensors";
    sensors = <&left_encoder>;
    triggers-per-rotation = <20>;
};


};