/* ---- ok */
#define BUTTON_PIN 7
#define Led 5
#define buzzer 9
#define NOTE_C4 262
void setup()
{
  // put your setup code here, to run once:
/* for(int pin_LED = 1; pin_LED < 5; pin_LED++){
    pinMode(pin_LED, OUTPUT);
  } */
  Serial.begin(9600);
  pinMode(BUTTON_PIN, INPUT);
  pinMode(Led, OUTPUT);
  pinMode(buzzer, OUTPUT);
}
void loop()
{
    
  // put your main code here, to run repeatedly:
/* for (int pin_LED = 1; pin_LED < 5; pin_LED++){
    digitalWrite(pin_LED, HIGH); //Membuat lampu LED aktif
    delay(1000); //Memberikan jeda selama 1 detik
    digitalWrite(pin_LED, LOW); //Membuat lampu LED non-aktif
  } */


  byte buttonState = digitalRead(BUTTON_PIN);
  
  if (buttonState == LOW) {
      Serial.println("Button is pressed");
      digitalWrite(Led,HIGH);
      //digitalWrite(buzzer,HIGH);
      tone (buzzer, NOTE_C4, 700);
  }
  else {
      Serial.println("Button is not pressed");
      digitalWrite(Led,LOW);
      //digitalWrite(buzzer,LOW);
  }
  delay(1000);
}