void setup() {
  // put your setup code here, to run once:

pinMode(1, OUTPUT);
pinMode(2, OUTPUT);
pinMode(3, OUTPUT);
pinMode(5, OUTPUT);
pinMode(6, OUTPUT);
pinMode(7, OUTPUT);
pinMode(8, OUTPUT);

}

void loop() {
  // put your main code here, to run repeatedly:


  digitalWrite (1,LOW);
  digitalWrite (2,HIGH);   //ETAT 1-3 ROUGE / 2-4 VERT  
  digitalWrite (3,HIGH);
  digitalWrite (5,HIGH);
  digitalWrite (6,HIGH);
  digitalWrite (7,LOW);

  delay(4000);


  digitalWrite (1,LOW);      //TRANSITION
  digitalWrite (2,HIGH);   //ETAT 1-3 ROUGE  
  digitalWrite (3,HIGH);   // 2-4 ORANGE 
  digitalWrite (5,HIGH);
  digitalWrite (6,LOW);
  digitalWrite (7,HIGH);

  delay (2000);

  digitalWrite (1,HIGH);      //TRANSITION
  digitalWrite (2,HIGH);   //ETAT 1-3 vert  
  digitalWrite (3,LOW);   // 2-4 rouge 
  digitalWrite (5,LOW);
  digitalWrite (6,HIGH);
  digitalWrite (7,HIGH);


  delay(4000);


  digitalWrite (1,HIGH);      //TRANSITION
  digitalWrite (2,LOW);   //ETAT 1-3 ROUGE  
  digitalWrite (3,HIGH);   // 2-4 ORANGE 
  digitalWrite (5,LOW);
  digitalWrite (6,HIGH);
  digitalWrite (7,HIGH);

  delay(2000);

}