void setup() {
  // put your setup code here, to run once:
 Serial.begin(9600);
 Serial.println("SoS Signal");
 
  // Pins Festlegen 13 LED, 7 Taster
 pinMode(13, OUTPUT);
 pinMode(7, INPUT_PULLUP);
}

void loop() {
  // put your main code here, to run repeatedly:
  if(digitalRead(7))
  {
    Serial.println("Kurz_Ein");
                                        //Led kurz
    digitalWrite(13, HIGH);
    delay(500);

    digitalWrite(13, LOW);
    delay(300);

    digitalWrite(13, HIGH);
    delay(500);
  
    digitalWrite(13, LOW);
    delay(300);

    digitalWrite(13, HIGH);
    delay(500);

    digitalWrite(13, LOW);
    delay(300);

    Serial.println("Lang_Ein");
                                        //LED lang
    digitalWrite(13, HIGH);
    delay(3000);

    digitalWrite(13, LOW);
    delay(300);

    digitalWrite(13, HIGH);
    delay(3000);

    digitalWrite(13, LOW);
    delay(300);

    digitalWrite(13, HIGH);
    delay(3000);

    digitalWrite(13, LOW);
    delay(300);

    Serial.println("Kurz_Ein");
                                          //LED kurz
    digitalWrite(13, HIGH);
    delay(500);

    digitalWrite(13, LOW);
    delay(300);

    digitalWrite(13, HIGH);
    delay(500);
  
    digitalWrite(13, LOW);
    delay(300);

    digitalWrite(13, HIGH);
    delay(500);

    Serial.println("Pause");
                                            //Pause zwischen den Signalen
    digitalWrite(13, LOW);
    delay(8000);
  }

  else
  {
    Serial.println("Taster gedrückt");
    delay(1000);
    digitalWrite(13, LOW);
  }
}