// Pins
int r1 =  5;   // Rot  1 an Pin  5
int r2 =  6;   // Rot  2 an Pin  6
int r3 =  4;   // Rot  3 an Pin  4
int y1 =  7;   // Gelb 1 an Pin  7
int y2 =  9;   // Gelb 2 an Pin  9
int y3 =  8;   // Gelb 3 an Pin  8
int g1 =  2;   // Grün 1 an Pin  2
int g2 = 10;   // Grün 2 an Pin 10
int g3 =  3;   // Grün 3 an Pin  3
int ir = 11;   // IR Empfänger an Pin 11

void setup() {
  pinMode(r1, OUTPUT);
  pinMode(r2, OUTPUT);
  pinMode(r3, OUTPUT);
  pinMode(y1, OUTPUT);
  pinMode(y2, OUTPUT);
  pinMode(y3, OUTPUT);
  pinMode(g1, OUTPUT);
  pinMode(g2, OUTPUT);
  pinMode(g3, OUTPUT);
}

void loop() {
  for (int i = 2; i <= 10; i++) {
    digitalWrite(i, LOW);
  }
  digitalWrite(r1, HIGH);
  delay(1000);
  digitalWrite(r2, HIGH);
  delay(1000);
  digitalWrite(r3, HIGH);
  delay(1000);
  digitalWrite(y1, HIGH);
  delay(1000);
  digitalWrite(y2, HIGH);
  delay(1000);
  digitalWrite(y3, HIGH);
  delay(1000);
  digitalWrite(g1, HIGH);
  delay(1000);
  digitalWrite(g2, HIGH);
  delay(1000);
  digitalWrite(g3, HIGH);
  delay(5000);
}