const int pin_led         = 11;


void setup()
{
  pinMode(pin_led, OUTPUT);
}

void loop()
{


  digitalWrite(pin_led, 255);
  delay(500);
  digitalWrite(pin_led, 0);


}
/*
void clignote()
{
  digitalWrite(pin_led, 255);
  delay(500);
  digitalWrite(pin_led, 0);
}
*/