#include <Wire.h>
#include <LiquidCrystal_I2C.h> // Include the library for the LCD

LiquidCrystal_I2C lcd(0x27, 16, 2);

const int buzzerPin = 25;

int melody[] = {392, 440, 392, 349, 294, 392, 349, 294, 330, 294, 440, 392, 
  349, 294, 440, 392, 349, 294};

int noteDurations[] = {500, 500, 500, 750, 250, 500, 750, 250, 500, 500, 500, 500, 
  750, 250, 500, 500, 750, 1000};

void setup() {
  // Initialize the LCD
  lcd.init();
  lcd.backlight();
  lcd.print("<Instrumental>"); 
  delay(2000);              
  lcd.clear();

  // Initialize the buzzer pin as an output
  pinMode(buzzerPin, OUTPUT);
}

void loop() {
  // Play each note in the melody
  for (int i = 0; i < sizeof(melody) / sizeof(melody[0]); i++) {
    int noteDuration = noteDurations[i];

    // Play the current note on the buzzer
    tone(buzzerPin, melody[i], noteDuration);

    // Display the frequency of the current note
    lcd.clear();
    lcd.setCursor(1, 0);
    lcd.print("Playing Note:");
    lcd.setCursor(1, 1);
    lcd.print(melody[i]);

    // Wait for the duration of the note
    delay(noteDuration * 1.3);

    // Stop the buzzer
    noTone(buzzerPin);
  }

  // After the melody finishes, display restarting message
  lcd.clear();
  lcd.print("Restarting...");
  delay(2000);
}