#include "pitches.h" // Ensure you have a pitches.h file for note definitions

int tempo = 114;               // Set the tempo
int buzzer = 11;               // Buzzer connected to digital pin 11
int buttonPin = 7;             // Button connected to digital pin 7
int buttonState = 0;           // Variable to store the button state

// Define the melody (frequencies for the notes) and durations
const int melody[] = {
  NOTE_E4, NOTE_F4, NOTE_G4, NOTE_G4, NOTE_F4, NOTE_E4, NOTE_D4, 
    NOTE_C4, NOTE_C4, NOTE_D4, NOTE_E4, NOTE_D4, NOTE_D4
    };

    const int noteDurations[] = {
      4, 4, 4, 4, 4, 4, 4, 
        4, 4, 4, 4, 4, 4
        };

        void setup() {
          pinMode(buzzer, OUTPUT);      // Set the buzzer pin as OUTPUT
            pinMode(buttonPin, INPUT_PULLUP); // Set the button pin as INPUT with pull-up resistor
            }

            void loop() {
              buttonState = digitalRead(buttonPin); // Read the state of the button

                // If the button is pressed, play the melody
                  if (buttonState == LOW) { // Button pressed (active low)
                      playMelody();
                        }
                        }

                        void playMelody() {
                          for (int thisNote = 0; thisNote < sizeof(melody) / sizeof(melody[0]); thisNote++) {
                              int noteDuration = 1000 / noteDurations[thisNote]; // Calculate note duration
                                  tone(buzzer, melody[thisNote], noteDuration);     // Play the note on the buzzer
                                      delay(noteDuration * 1.30);                       // Add a small delay between notes
                                          noTone(buzzer);                                   // Stop the tone
                                            }
                                            }