led btn 1 2 et 1 3 exemple

#define PIN_BTN_1             5
#define PIN_BTN_2             6
#define PIN_BTN_3             7
#define PIN_LED_VERTE         8
#define PIN_LED_ROUGE         9
#define TIME_ANTIREBOND     250

unsigned long timeBtn1 = 0;
unsigned long timeBtn2 = 0;
unsigned long timeBtn3 = 0;
int btn1Pressed = 0;
int btn2Pressed = 0;
int btn3Pressed = 0;

void setup(){
  pinMode(PIN_BTN_1, INPUT_PULLUP);
  pinMode(PIN_BTN_2, INPUT_PULLUP);
  pinMode(PIN_BTN_3, INPUT_PULLUP);
  pinMode(PIN_LED_VERTE, OUTPUT);
  pinMode(PIN_LED_ROUGE, OUTPUT);

}

void loop(){
  if( ((millis() - timeBtn1) >= TIME_ANTIREBOND) & !btn1Pressed & !digitalRead(PIN_BTN_1) ){
    timeBtn1 = millis();
    btn1Pressed = 1;
  }

  else if( ((millis() - timeBtn2) >= TIME_ANTIREBOND) & !btn2Pressed & !digitalRead(PIN_BTN_2) & btn1Pressed ){
      timeBtn2=millis();
      digitalWrite(PIN_LED_VERTE, HIGH);
      //tu peux aussi mettre en bascule on et off
      //digitalWrite(PIN_LED_VERTE, !digitalRead(PIN_LED_VERTE));
      //on reinitialise
      btn1Pressed = 0;
      btn2Pressed = 0;
  }

  else if( ((millis() - timeBtn3) >= TIME_ANTIREBOND) & !btn2Pressed & !digitalRead(PIN_BTN_2) & btn1Pressed ){
      timeBtn3=millis();
      digitalWrite(PIN_LED_ROUGE, HIGH);
      //tu peux aussi mettre en bascule on et off
      //digitalWrite(PIN_LED_ROUGE, !digitalRead(PIN_LED_ROUGE));
      //on reinitialise
      btn1Pressed = 0;
      btn3Pressed = 0;
  }
}