Semáforo

 Práctica del Semáforo

Imagen de la disposición de los componentes

Código

int green = 13;

int yellow= 12;

int red=11;

// the setup routine runs once when you press reset:

void setup() {                

  // initialize the digital pin as an output.

  pinMode(green, OUTPUT);     

}

// the loop routine runs over and over again forever:

void loop() {

  digitalWrite(green, HIGH);   

  digitalWrite(yellow, LOW);

  digitalWrite(red, LOW);

  delay(1000);               

  digitalWrite(green, LOW);   

  digitalWrite(yellow, LOW);

  digitalWrite(red, LOW);

  delay(500);              

  digitalWrite(green, LOW);   

  digitalWrite(yellow, HIGH);

  digitalWrite(red, LOW);

  delay(1000);               

  digitalWrite(yellow, LOW);

  delay(250);

  digitalWrite(yellow, HIGH);

  delay(250);

  digitalWrite(yellow, LOW);

  delay(250);

  digitalWrite(yellow, HIGH);

  delay(250);

  digitalWrite(yellow, LOW);

  delay(250);

  digitalWrite(yellow, HIGH);

  delay(250);

  digitalWrite(green, LOW);   

  digitalWrite(yellow, LOW);

  digitalWrite(red, LOW);

  delay(500);              

  digitalWrite(green, LOW);   

  digitalWrite(yellow, LOW);

  digitalWrite(red, HIGH);

  delay(1000);               

  digitalWrite(green, LOW);   

  digitalWrite(yellow, LOW);

  digitalWrite(red, LOW);

  delay(1000); 

  

}

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