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

  pinMode(2, OUTPUT);
  pinMode(3, OUTPUT);

}

void girar(int sentido, int pasos, float retardo)
{
  for(int j = 0; j <= pasos-1; j++)
  {
  digitalWrite (2,sentido);

  digitalWrite(3,LOW);
  delay(retardo);
  digitalWrite(3, HIGH);
  delay(retardo);
  }
}

int flag = 0;
void loop() {
  // put your main code here, to run repeatedly:
  if(flag == 0)
  {
    girar(0,400,10);
    flag = 1;
  }
  
}

//digitalWrite (2,HIGH);

  // digitalWrite(3,LOW);
  // delay(100);
  // digitalWrite(3, HIGH);
  // delay(100);
  //