/*
Nama  : Lim Hak Pheng
NIM   : 23100004
Prodi : STI Pagi
*/
#define LED2 5
#define LED 18
#define LED3 17
int LED_BUILTIN = 2;
const int BUZZER = 14;
int x = 1;



void setup() {
  //1. put your setup code here, to run once:

  // Serial.begin(115200);
  // Serial.println("Halo, Selamat Datang");

  //2. LED
  //pinMode(LED_BUILTIN, OUTPUT);

  //3. LED HIDUP MATI
  // pinMode(LED_BUILTIN, OUTPUT);

  //4 LED LIGHT
  // pinMode(LED, OUTPUT);

  //5 2 LED LIGHT
  // pinMode(LED, OUTPUT);
  // pinMode(LED2, OUTPUT);

  //6 3 LED LIGHT
  // pinMode(LED, OUTPUT);
  // pinMode(LED2, OUTPUT);
  // pinMode(LED3, OUTPUT);
  pinMode(BUZZER, OUTPUT);
  pinMode(LED_BUILTIN, OUTPUT);
  pinMode(5, INPUT_PULLUP);
}

void loop() {
  //1. put your main code here, to run repeatedly:
  // delay(10); // this speeds up the simulation

  //2. LED
  //digitalWrite(LED_BUILTIN, HIGH);

  //3. LED HIDUP MATI
  // digitalWrite(LED_BUILTIN, HIGH);
  // delay(1000);
  // digitalWrite(LED_BUILTIN, LOW);
  // delay(1000);

  //4 LED LIGHT
  // digitalWrite(LED, HIGH);
  // delay(500);
  // digitalWrite(LED, LOW);
  // delay(500);

  //5 2 LED LIGHT
  // digitalWrite(LED, HIGH);
  // digitalWrite(LED2, LOW);
  // delay(500);
  // digitalWrite(LED, LOW);
  // digitalWrite(LED2, HIGH);
  
  // delay(500);

  //5 3 LED LIGHT
  // digitalWrite(LED, HIGH);
  // digitalWrite(LED2, LOW);
  // digitalWrite(LED3, LOW);
  // delay(500);
  // digitalWrite(LED, LOW);
  // digitalWrite(LED2, HIGH);
  // digitalWrite(LED3, LOW);
  // delay(500);
  // digitalWrite(LED, LOW);
  // digitalWrite(LED2, LOW);
  // digitalWrite(LED3, HIGH);
  // delay(500);
  digitalWrite(LED_BUILTIN, digitalRead((5)));
  digitalWrite(BUZZER, HIGH);
  delay(2000);
  x++;
  int y = x%2;
  if(y == 0){
    noTone(BUZZER);
  } else if(y == 1){
    tone(BUZZER, 900);
  }
}