void setup() {pinMode(2, OUTPUT);
  // Pin 2 Ausgang
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(6, OUTPUT);

}

void loop() {digitalWrite(2, HIGH);
delay(500);
digitalWrite(2, LOW);
delay(500);
digitalWrite(3, HIGH);
delay(500);
digitalWrite(3, LOW);
delay(500);
digitalWrite(4, HIGH);
delay(500);
digitalWrite(4, LOW);
delay(500);
digitalWrite(5, HIGH);
delay(500);
digitalWrite(5, LOW);
delay(500);
digitalWrite(6, HIGH);
delay(500);
digitalWrite(6, LOW);
delay(500);


  // put your main code here, to run repeatedly:

}