// LED to Arduino Uno connection example



void setup() 
{
 pinMode(13, OUTPUT);
 pinMode(3, INPUT);
}

void loop() 
{
  // Anweisung Nr.1
if(digitalRead(3) == HIGH)
 {
   digitalWrite(13, HIGH);
   delay(1000);
   digitalWrite(13, LOW);
   delay(1000);
 }

 // Anweisung Nr.2
 else (digitalRead(3) == LOW);
 {
   //Anweisung Kurz SOS
   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);
   // Anweisung Lang SOS
   digitalWrite(13, HIGH);
   delay (1500);
   digitalWrite(13, LOW);
   delay(300);
   digitalWrite(13, HIGH);
   delay (1500);
   digitalWrite(13, LOW);
   delay(300);
   digitalWrite(13, HIGH);
   delay (1500); 
   digitalWrite(13, LOW);
   delay(300);
   // Anweisung Kurz SOS
   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(3000);
}
}