#define PORT_LED 4
#define DUREE_ALLUME 400
#define DUREE_ETEINT 600
void setup() {
pinMode(PORT_LED,OUTPUT )
Serial.begin(9600);
}

void loop() {
  Serial.println("Allume !");
 digitalWrite(PORT_LED, HIGH);
  delay(DUREE_ALLUME);
  Serial.println("Eteint !");
 digitalWrite(PORT_LED, LOW);
  delay(DUREE_ETEINT);
}