/* Multifunktionsshield für Ardiono kennenlernen */
void setup() {
  Serial.begin(9600); Serial.println("MFS startet");

  pinMode(13, OUTPUT);
  pinMode(12, OUTPUT);
  digitalWrite(12, HIGH);

  pinMode(A1, INPUT);

  //analogWrite(3, 128); // Lautsprecher(Buzzer) ansteuern
}

void loop() {
  Serial.print(digitalRead(A1));
  if (digitalRead(A1) == LOW) {
    digitalWrite(13, not digitalRead(13));
  }
  delay(1000);
}