Project Logs

Collapse

• Happy Birthday Song With Arduino Code

  spark buzzer • 05/25/2020 at 15:10 • 1 comment

  int speakerPin = 7; // Buzzer pin
  int length = 28; // the number of notes
  char notes[] = "GGAGcB GGAGdc GGxecBA yyecdc";
  int beats[] = {2,2,8,8,8,16,1,2,2,8,8,8,16,1,2,2,8,8,8,8,16,1,2,2,8,8,8,16};
  int tempo = 200;// time delay between notes 
  
  void playTone(int tone, int duration) {
  for (long i = 0; i < duration * 1000L; i += tone * 2) {
     digitalWrite(speakerPin, HIGH);
     delayMicroseconds(tone);
     digitalWrite(speakerPin, LOW);
     delayMicroseconds(tone);
  }
  }
  
  void playNote(char note, int duration) {
  char names[] = {'C', 'D', 'E', 'F', 'G', 'A', 'B',           
  
                   'c', 'd', 'e', 'f', 'g', 'a', 'b',
  
                   'x', 'y' };
  
  int tones[] = { 1915, 1700, 1519, 1432, 1275, 1136, 1014,
  
                   956,  834,  765,  593,  468,  346,  224,
  
                   655 , 715 };
  
  int SPEE = 5;
  
  // play the tone corresponding to the note name
  
  for (int i = 0; i < 17; i++) {
  
     if (names[i] == note) {
      int newduration = duration/SPEE;
       playTone(tones[i], newduration);
     }
  }
  }
  
  void setup() {
  pinMode(speakerPin, OUTPUT);
  }
  
  void loop() {
  for (int i = 0; i < length; i++) {
     if (notes[i] == ' ') {
       delay(beats[i] * tempo); // delay between notes
     } else {
       playNote(notes[i], beats[i] * tempo);
     }
     // time delay between notes
     delay(tempo);
  }
  }

View project log