Interruptcounter

#define interruptPin D5
volatile bool interruptDetected = false;
int interruptCount = 0;
long oldMillis = 0;

void setup() {
  Serial.begin(115200);
  Serial.println("\nStart");
  pinMode(interruptPin, INPUT_PULLUP);
  attachInterrupt(digitalPinToInterrupt(interruptPin), handleInterrupt, RISING);
}

void handleInterrupt() {
  interruptDetected = true;
}

void loop() {
  /*if (oldMillis == 0 || (millis() - oldMillis > 1000)) {          //sekündliche Ausgabe des Pin-Levels
    oldMillis = millis();
    Serial.println("state = "+digitalRead(interruptPin) ? "H":"L");
  }*/
  if (interruptDetected) {
    interruptDetected = false;
    interruptCount++;
    Serial.print("Interrupt erkannt! Gesamt: ");
    Serial.println(interruptCount);
  }
}