Encoder.ino

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#include <ESP32Encoder.h>

ESP32Encoder encoder;
ESP32Encoder encoder2;

// timer and flag for example, not needed for encoders
unsigned long encoder2lastToggled;
bool encoder2Paused = false;

void setup(){
    
    Serial.begin(115200);
    // Enable the weak pull down resistors

    //ESP32Encoder::useInternalWeakPullResistors=DOWN;
    // Enable the weak pull up resistors
    ESP32Encoder::useInternalWeakPullResistors=UP;

    // use pin 19 and 18 for the first encoder
    encoder.attachHalfQuad(19, 18);
    // use pin 17 and 16 for the second encoder
    encoder2.attachHalfQuad(17, 16);
        
    // set starting count value after attaching
    encoder.setCount(37);

    // clear the encoder's raw count and set the tracked count to zero
    encoder2.clearCount();
    Serial.println("Encoder Start = " + String((int32_t)encoder.getCount()));
    // set the lastToggle
    encoder2lastToggled = millis();
}

void loop(){
    // Loop and read the count
    Serial.println("Encoder count = " + String((int32_t)encoder.getCount()) + " " + String((int32_t)encoder2.getCount()));
    delay(100);

    // every 5 seconds toggle encoder 2
    if (millis() - encoder2lastToggled >= 5000) {
        if(encoder2Paused) {
            Serial.println("Resuming Encoder 2");
            encoder2.resumeCount();
        } else {
            Serial.println("Paused Encoder 2");
            encoder2.pauseCount();
        }

        encoder2Paused = !encoder2Paused;
        encoder2lastToggled = millis();
    }
}