void setup() {
	//Initialisierung der benutzten Pins
	pinMode(6, OUTPUT);
	pinMode(5, OUTPUT);
	pinMode(4, OUTPUT);
}

void loop() {
	//Programmierung zur Ampelschaltung:
	//Ampelphase Rot
	digitalWrite(6, HIGH);
	digitalWrite(5, LOW);
	digitalWrite(4, LOW);
	delay(1000);
	//Ampelphase Rot-Gelb
	digitalWrite(6, HIGH);
	digitalWrite(5, HIGH);
	digitalWrite(4, LOW);
	delay(1000);
	//Ampelphase Grün
	digitalWrite(6, LOW);
	digitalWrite(5, LOW);
	digitalWrite(4, HIGH);
	delay(1000);
	//Ampelphase Gelb
	digitalWrite(6, LOW);
	digitalWrite(5, HIGH);
	digitalWrite(4, LOW);
	delay(1000);
}