#include <Arduino.h>


// Un petit Hello world pour valider les bases 
#define LED_FLASH 4
#define LED_BUILTIN 33

#define MyLED LED_BUILTIN

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

void loop() {
  digitalWrite(MyLED, HIGH);
  delay(1000);
  digitalWrite(MyLED, LOW);
  delay(1000); 
}