#include <Wire.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);

const int speaker = 5;

void DO() { tone(speaker, 262); }
void RE() { tone(speaker, 294); }
void MI() { tone(speaker, 330); }
void FA() { tone(speaker, 349); }
void SOL() { tone(speaker, 395); }
void LA() { tone(speaker, 440); }
void SI() { tone(speaker, 494); }
void DOO() { tone(speaker, 523); }
void DIAM() { noTone(speaker); }

void playMelody() {
  lcd.setCursor(0, 0);
  lcd.print("Selamat Hari");
  lcd.setCursor(0, 1);
  lcd.print("Ibu!!!");
  MI(); delay(300);
  RE(); delay(300);
  MI(); delay(300);
  DO(); delay(500);

  DIAM(); delay(300);

  DO(); delay(300);
  DOO(); delay(400);
  LA(); delay(300);
  DOO(); delay(350);
  SOL(); delay(400);

  DIAM(); delay(500);

  LA(); delay(300);
  SOL(); delay(350);
  FA(); delay(300);
  MI(); delay(350);
  DO(); delay(300);
  RE(); delay(400);
  MI(); delay(300);
  SOL(); delay(400);
  MI(); delay(300);
  RE(); delay(500);

  DIAM(); delay(200);

  MI(); delay(400);

  DIAM(); delay(100);

  MI(); delay(400);
  RE(); delay(250);
  MI(); delay(300);
  DO(); delay(350);

  DIAM(); delay(200);

  DO(); delay(600);
  DOO(); delay(450);

  DIAM(); delay(80);

  DOO(); delay(400);
  LA(); delay(300);
  DOO(); delay(350);
  SOL(); delay(550);

  DIAM(); delay(200);

  LA(); delay(300);

  DIAM(); delay(100);

  LA(); delay(250);
  SOL(); delay(300);
  FA(); delay(250);
  MI(); delay(300);
  DO(); delay(200);
  RE(); delay(300);
  MI(); delay(200);

  DIAM(); delay(100);

  MI(); delay(300);
  DO(); delay(300);
  RE(); delay(450);
  DO(); delay(700);

  DIAM(); delay(200);
}

void setup() {
  lcd.begin(16, 2);
  lcd.backlight();

  pinMode(speaker, OUTPUT);

  lcd.print("What day is it???");
  delay(1000);
  lcd.clear();
  lcd.print("Mother's Day!!");
  delay(1500);
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Ibu adalah");
  lcd.setCursor(0, 1);
  lcd.print("inspirasiku");
  delay(2000);
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Terimakasih atas");
  lcd.setCursor(0, 1);
  lcd.print("kasih sayangmu!");
  delay(2000);
  lcd.clear();

  playMelody();
}

void loop() {
  // Tidak ada fungsi tambahan di loop
}