#define LED_PIN1 19
#define LED_PIN2 18
#define LED_PIN3 4
#define LED_PIN4 17
#define LED_PIN5 5
#define BUTTON_PIN 15
bool isLedOn = false;
void setup() {
  pinMode(LED_PIN1, OUTPUT);
  pinMode(LED_PIN2, OUTPUT);
  pinMode(LED_PIN3, OUTPUT);
  pinMode(LED_PIN4, OUTPUT);
  pinMode(LED_PIN5, OUTPUT);
  pinMode(BUTTON_PIN, INPUT);
}

void loop() {
  if (digitalRead(BUTTON_PIN) == HIGH) {
    digitalWrite(LED_PIN3, HIGH);
    delay(1000); // Đợi 1 giây
    digitalWrite(LED_PIN3, LOW);
    digitalWrite(LED_PIN2, HIGH);
    digitalWrite(LED_PIN4, HIGH);
    delay(1000); // Đợi 1 giây
    digitalWrite(LED_PIN2, LOW);
    digitalWrite(LED_PIN4, LOW);
     delay(1000); // Đợi 1 giây
    digitalWrite(LED_PIN1, HIGH);
    digitalWrite(LED_PIN5, HIGH);
    delay(1000); // Đợi 1 giây
    digitalWrite(LED_PIN1, LOW);
    digitalWrite(LED_PIN5, LOW);
  }
}