//ALLUMER ÉTEINDRE UNE LED

void setup() {
  // put your setup code here, to run once:
pinMode(13,OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(13,1);//1 to remplace HIGH 
delay(250);
digitalWrite(13,0);//0 to remplace LOW
delay(250);
}