Controllo semaforico di un incrocio

// C++ code
//

int rossoUno = 7;
int gialloUno = 6;
int verdeUno =5 ;

int rossoDue = 4;
int gialloDue = 3;
int verdeDue =2 ;




void setup()
{
  pinMode(rossoUno , OUTPUT);
  pinMode(gialloUno , OUTPUT);
  pinMode(verdeUno , OUTPUT);
  pinMode(rossoDue , OUTPUT);
  pinMode(gialloDue , OUTPUT);
  pinMode(verdeDue , OUTPUT);
      

}

void loop()
{
  // PASSA 1
  digitalWrite(rossoUno , LOW);
  digitalWrite(gialloUno , LOW);
  digitalWrite(verdeUno , HIGH);
  
  digitalWrite(rossoDue , HIGH);
  digitalWrite(gialloDue , LOW);
  digitalWrite(verdeDue , LOW);
  delay(5000);
  
  // TRANSIZIONE 1
  digitalWrite(rossoUno , LOW);
  digitalWrite(gialloUno , HIGH);
  digitalWrite(verdeUno , LOW);
  
  digitalWrite(rossoDue , HIGH);
  digitalWrite(gialloDue , LOW);
  digitalWrite(verdeDue , LOW);
  delay(5000);
  
  // BLOCCO TOTALE
 
  digitalWrite(rossoUno , HIGH);
  digitalWrite(gialloUno , LOW);
  digitalWrite(verdeUno , LOW);
  
  digitalWrite(rossoDue , HIGH);
  digitalWrite(gialloDue , LOW);
  digitalWrite(verdeDue , LOW);
  delay(5000);
  
  //PASSA 2
  digitalWrite(rossoUno , HIGH);
  digitalWrite(gialloUno , LOW);
  digitalWrite(verdeUno , LOW);
  
  digitalWrite(rossoDue , LOW);
  digitalWrite(gialloDue , LOW);
  digitalWrite(verdeDue , HIGH);
  delay(5000);
  
  //TRANSIZIONE 2
  digitalWrite(rossoUno , HIGH);
  digitalWrite(gialloUno , LOW);
  digitalWrite(verdeUno , LOW);
  
  digitalWrite(rossoDue , LOW);
  digitalWrite(gialloDue , HIGH);
  digitalWrite(verdeDue , LOW);
  delay(5000);
  
  // BLOCCO TOTALE
  digitalWrite(rossoUno , HIGH);
  digitalWrite(gialloUno , LOW);
  digitalWrite(verdeUno , LOW);
  
  digitalWrite(rossoDue , HIGH);
  digitalWrite(gialloDue , LOW);
  digitalWrite(verdeDue , LOW);
  delay(5000);
  
  //PASSA 1
  digitalWrite(rossoUno , LOW);
  digitalWrite(gialloUno , LOW);
  digitalWrite(verdeUno , HIGH);
  
  digitalWrite(rossoDue , HIGH);
  digitalWrite(gialloDue , LOW);
  digitalWrite(verdeDue , LOW);
  delay(5000);
  
}