ARDUINO SEMAFORO 7

 int ledrojo = 11;    

int ledverde = 8;

int ledamarillo = 2;

void setup()

{

  pinMode(11, OUTPUT);

   pinMode(8, OUTPUT);

   pinMode(2, OUTPUT);

}

void loop()

{

 

  digitalWrite(ledrojo, HIGH);

  delay(500); // Wait for 1000 millisecond(s)

   digitalWrite(ledrojo, LOW);

  delay(1000); // Wait for 1000 millisecond(s)

  

   digitalWrite(ledamarillo, HIGH);

  delay(1000); // Wait for 1000 millisecond(s)

   digitalWrite(ledamarillo, LOW);

  delay(1000); //aqui se 

  

   digitalWrite(ledverde, HIGH);

  delay(1000); // Wait for 1000 millisecond(s)

   digitalWrite(ledverde, LOW);

  delay(1000); // Wait for 1000 millisecond(s)

}