// Define the pin where the buzzer is connected
const int buzzerPin = 12;
// Define the notes for Happy Birthday
#define NOTE_B4 494
#define NOTE_C5 523
#define NOTE_D5 587
#define NOTE_E5 659
#define NOTE_F5 698
#define NOTE_G5 784
#define NOTE_A5 880
// Define the melody for Happy Birthday
int melody[] = {
NOTE_C5, NOTE_C5, NOTE_D5, NOTE_C5, NOTE_F5, NOTE_E5, // Happy Birthday to You
NOTE_C5, NOTE_C5, NOTE_D5, NOTE_C5, NOTE_G5, NOTE_F5, // Happy Birthday to You
NOTE_C5, NOTE_C5, NOTE_C5, NOTE_A5, NOTE_F5, NOTE_E5, NOTE_D5, // Happy Birthday Dear [Name]
NOTE_C5, NOTE_C5, NOTE_D5, NOTE_C5, NOTE_F5, NOTE_E5, // Happy Birthday to You
};
int noteDurations[] = {
4, 4, 4, 4, 4, 4, // Happy Birthday to You
4, 4, 4, 4, 4, 4, // Happy Birthday to You
4, 4, 8, 8, 4, 4, 4, // Happy Birthday Dear [Name]
4, 4, 4, 4, 4, 4, // Happy Birthday to You
};
void setup() {
// Set the buzzer pin as output
pinMode(buzzerPin, OUTPUT);
}
void loop() {
// Play the melody
for (int thisNote = 0; thisNote < 24; thisNote++) {
// Calculate the note duration
int noteDuration = 1000 / noteDurations[thisNote];
tone(buzzerPin, melody[thisNote], noteDuration);
// Pause between notes
int pauseBetweenNotes = noteDuration * 1.30;
delay(pauseBetweenNotes);
// Stop the tone
noTone(buzzerPin);
}
// Add a delay before repeating the song
delay(2000); // Delay for 2 seconds before repeating
}
I can hear any sound only if I put "digitalWrite(12, HIGH);", and when I was checking, I also tried to write another programs, but they do not work also