8bit Melody Generator

sketch_luna_mastered.ino

#include "pitches.h"
int val;
// notes in the melody:
int melody[] = {
  NOTE_C3, NOTE_D3, NOTE_E3, NOTE_F3, NOTE_G3, 0, NOTE_A3, NOTE_B3
};

// note durations: 4 = quarter note, 8 = eighth note, etc.:
int noteDurations[] = {
  4, 4, 4, 4, 4, 4, 4, 4
};

void setup() {
  Serial.begin(9600);
  // iterate over the notes of the melody:
  for (int thisNote = 0; thisNote < 8; thisNote++) {

    // to calculate the note duration, take one second divided by the note type.
    //e.g. quarter note = 1000 / 4, eighth note = 1000/8, etc.
    int noteDuration = 1000 / noteDurations[thisNote];
    tone(8, melody[thisNote], noteDuration);

    // to distinguish the notes, set a minimum time between them.
    // the note's duration + 30% seems to work well:
    int pauseBetweenNotes = noteDuration * 1.30;
    delay(pauseBetweenNotes);
    // stop the tone playing:
    noTone(8);
  }
}

void loop() {
  // no need to repeat the melody.
  if (Serial.available() > 0){
    val = Serial.read();
    if (val == 49){
      setup();
      }
    }
}