ARDUINO NORA ÑIQUEN

void setup() {
  // ROBOTICA 1  MORALES  semaforo
  pinMode(13,OUTPUT);
 pinMode(11,OUTPUT);
  pinMode(9,OUTPUT);}
void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(13,HIGH);
delay(3000);
digitalWrite(13,LOW);
delay(3000);
digitalWrite(11,HIGH);
delay(1500);
digitalWrite(11,LOW);
delay(1500);
digitalWrite(9,HIGH);
delay(7500);
digitalWrite(9,LOW);
delay(7500);
}