const int pinLED1 = 2;
const int pinLED2 = 3;
const int pinLED3 = 4;
const int pinLED4 = 5;
const int pinLED5 = 6;
#define buzzer 13

#include <LiquidCrystal.h>

LiquidCrystal lcd(12, 11, 10, 9, 8, 7);

void setup() {
  // pin LED as output
  pinMode(pinLED1, OUTPUT);
  pinMode(pinLED2, OUTPUT);
  pinMode(pinLED3, OUTPUT);
  pinMode(pinLED4, OUTPUT);
  pinMode(pinLED5, OUTPUT);
  pinMode(buzzer, OUTPUT);

  // Initialize LCD
  lcd.begin(16, 2);
}

void ALL_OFF() {
  digitalWrite(pinLED1, LOW);
  digitalWrite(pinLED2, LOW);
  digitalWrite(pinLED3, LOW);
  digitalWrite(pinLED4, LOW);
  digitalWrite(pinLED5, LOW);

  //display are off
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("LAMPU MATI");
  noTone(buzzer);  

}

void displayOn() {
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("LAMPU HIDUP");
  tone(buzzer,500);
}

void loop() {
  // Turn on all LEDs
  for (int i = 0; i < 5; ++i) {
    displayOn();
    digitalWrite(pinLED1 + i, HIGH);
    delay(1000);
  }

  // Turn off all LEDs
  ALL_OFF();
  delay(1000);  // wait for a second before repeating
}