// Variablen für die Pins
int red = 0;
int yellow = 1;
int green = 2;

void setup() {
  // rote LED
  pinMode(red, OUTPUT);
  // gelbe LED
  pinMode(yellow, OUTPUT); 
  // grüne LED
  pinMode(green, OUTPUT); 

}

void loop() {

  // 10 Sekunden Rot
  digitalWrite(red, HIGH);
  delay(10000);

  // 1 Sekunde Rot und Gelb
  digitalWrite(yellow, HIGH);
  delay(1000);

  // 5 Sekunden Grün (Rot und Gelb aus)
  digitalWrite(green, HIGH);
  digitalWrite(red, LOW);
  digitalWrite(yellow, LOW);
  delay(5000);

  // 1 Sekunde Gelb (Grün aus)
  digitalWrite(yellow, HIGH);
  digitalWrite(green, LOW);
  delay(1000);
  digitalWrite(yellow, LOW);

}