/*
WokWi - Traffic Signal
inefficient, but no undefined conditions
...to be improved
*/

void setup() {
  // put your setup code here, to run once:
  pinMode(2, OUTPUT); //rot
  pinMode(3, OUTPUT); //gelb
  pinMode(4, OUTPUT); //grün
  pinMode(6, OUTPUT); //rot
  pinMode(7, OUTPUT); //gelb
  pinMode(8, OUTPUT); //grün
}

void loop() {
  // put your main code here, to run repeatedly:
  
  /*Ampel 234 rot, Ampel 678 grün*/
  digitalWrite(2, HIGH); // Ro
  digitalWrite(3, LOW); // Ge
  digitalWrite(4, LOW); // Gr
  digitalWrite(6, LOW); // Ro
  digitalWrite(7, LOW); // Ge
  digitalWrite(8, HIGH); // Gr
  delay(2000);
  /*Ampel 234 ---, Ampel 678 gelb*/
  digitalWrite(2, HIGH); // Ro
  digitalWrite(3, LOW); // Ge
  digitalWrite(4, LOW); // Gr
  digitalWrite(6, LOW); // Ro
  digitalWrite(7, HIGH); // Ge
  digitalWrite(8, LOW); // Gr
  delay(1000);
  /*Ampel 234 rot-gelb, Ampel 678 rot*/
  digitalWrite(2, HIGH); // Ro
  digitalWrite(3, HIGH); // Ge
  digitalWrite(4, LOW); // Gr
  digitalWrite(6, LOW); // Ro
  digitalWrite(7, HIGH); // Ge
  digitalWrite(8, LOW); // Gr
  delay(1000);
  /*Ampel 234 grün, Ampel 678 ---*/
  digitalWrite(2, LOW); // Ro
  digitalWrite(3, LOW); // Ge
  digitalWrite(4, HIGH); // Gr
  digitalWrite(6, HIGH); // Ro
  digitalWrite(7, LOW); // Ge
  digitalWrite(8, LOW); // Gr
  delay(2000);
  /*Ampel 234 gelb, Ampel 678 ---*/
  digitalWrite(2, LOW); // Ro
  digitalWrite(3, HIGH); // Ge
  digitalWrite(4, LOW); // Gr
  digitalWrite(6, HIGH); // Ro
  digitalWrite(7, LOW); // Ge
  digitalWrite(8, LOW); // Gr
  delay(1000);
  /*Ampel 234 rot, Ampel 678 rot-gelb*/
  digitalWrite(2, HIGH); // Ro
  digitalWrite(3, LOW); // Ge
  digitalWrite(4, LOW); // Gr
  digitalWrite(6, HIGH); // Ro
  digitalWrite(7, HIGH); // Ge
  digitalWrite(8, LOW); // Gr
  delay(1000);
}