void setup() {
  Serial.begin(9600);
  pinMode(2, INPUT);
  pinMode(5, INPUT);
  pinMode(8, OUTPUT);
  pinMode(9, OUTPUT);
  Serial.print("serial works");
  Serial.print("\n");

}

void loop() {
  static byte bouton1fois = 0;
  byte bouton1presse = 0;
  Serial.print("etat bouton 1 = ");
  while (digitalRead(2)) {
    bouton1presse = 1;
  }
  if (bouton1presse) {
    ++bouton1fois;
  }
  Serial.print(bouton1fois);
  Serial.print("\n");
  digitalWrite(8, digitalRead(2));

  

  static byte bouton2fois = 0;
  byte bouton2presse = 0;
  Serial.print("etat bouton 2 = ");
  while (digitalRead(5)) {
    bouton2presse = 1;
  }
  if (bouton2presse) {
    ++bouton2fois;
  }
  Serial.print(bouton2fois);
  Serial.print("\n");
  digitalWrite(9, digitalRead(5));
  delay(500);
}