int buzzerPin = 8; 

int c = 262;
int d = 294;
int e = 330;
int f = 349;
int g = 392;
int a = 440;
int b = 494;
int C = 523;  

int melody[] = { c, c, g, g, a, a, g, f, f, e, e, d, d, c, g, g, f, f, e, e, d, g, g, f, f, e, e, d, c, c, g, g, a, a, g, f, f, e, e, d, d, c };
int noteDurations[] = { 500, 500, 500, 500, 500, 500, 1000, 500, 500, 500, 500, 500, 500, 1000, 500, 500, 500, 500, 500, 500, 1000, 500, 500, 500, 500, 500, 500, 1000, 500, 500, 500, 500, 500, 500, 1000, 500, 500, 500, 500, 500, 500, 1000 };

void setup() {
    Serial.begin(9600);                          
    }
    void loop() {
        int notes = sizeof(melody) / sizeof(melody[0]);  
            for (int i = 0; i < notes; i = i + 1) {
                
                    

                        tone(buzzerPin, melody[i], noteDurations[i]); 
                            delay(noteDurations[i] * 1.30);               
                                noTone(buzzerPin);                             
                                  }
                                  }