Схема подключения и код подключения модуля к Arduino

                            
// Rotary Encoder Inputs
#define S1 8
#define S2 9
#define Key 10

int counter = 0;
int currentStateS1;
int lastStateS1;
String currentDir ="";
unsigned long lastButtonPress = 0;

void setup() {
    
    // Set encoder pins as inputs
    pinMode(S1,INPUT);
    pinMode(S2,INPUT);
    pinMode(Key, INPUT_PULLUP);

    // Setup Serial Monitor
    Serial.begin(9600);

    // Read the initial state of S1
    lastStateS1 = digitalRead(S1);
}

void loop() {
    
    // Read the current state of S1
    currentStateS1 = digitalRead(S1);

    // If last and current state of S1 are different, then pulse occurred
    // React to only 1 state change to avoid double count
    if (currentStateS1 != lastStateS1  && currentStateS1 == 1){

        // If the S2 state is different than the S1 state then
        // the encoder is rotating CCW so decrement
        if (digitalRead(S2) != currentStateS1) {
            counter --;
            currentDir ="CCW";
        } else {
            // Encoder is rotating CW so increment
            counter ++;
            currentDir ="CW";
        }

        Serial.print("Direction: ");
        Serial.print(currentDir);
        Serial.print(" | Counter: ");
        Serial.println(counter);
    }

    // Remember last S1 state
    lastStateS1 = currentStateS1;

    // Read the button state
    int btnState = digitalRead(Key);

    //If we detect LOW signal, button is pressed
    if (btnState == LOW) {
        //if 50ms have passed since last LOW pulse, it means that the
        //button has been pressed, released and pressed again
        if (millis() - lastButtonPress > 50) {
            Serial.println("Button pressed!");
        }

        // Remember last button press event
        lastButtonPress = millis();
    }

    // Put in a slight delay to help debounce the reading
    delay(1);