YOASOBIアイドルをMaker UNOで鳴らす
Maker Uno(マレーシア発のプロジェクト、Arduino互換のワンボードコンピューター)で、YOASOBIアイドルのメロディを鳴らしました。
Arduinoのサンプルコード
File-Examples-02.Digital-toneMelodyの
メイン部分を下記に書き換えました。
ヘッダーファイルはそののままです。
***********************
/*
Melody
Plays a melody
circuit:
8 ohm speaker on digital pin 8
created 21 Jan 2010
modified 30 Aug 2011
by Tom Igoe
This example code is in the public domain.
https://www.arduino.cc/en/Tutorial/BuiltInExamples/toneMelody
*/
#include "pitches.h"
// notes in the melody:
int melody[] = {
// NOTE_C4, NOTE_G3, NOTE_G3, NOTE_A3, NOTE_G3, 0, NOTE_B3, NOTE_C4
NOTE_E3, NOTE_G3, NOTE_A3, NOTE_E4, NOTE_A3, NOTE_A3, NOTE_G3, NOTE_A3,
NOTE_E4, NOTE_A3, NOTE_G3, NOTE_A3, NOTE_E3, NOTE_G3, NOTE_A3, NOTE_C4,
NOTE_B3, NOTE_G3, NOTE_A3, NOTE_B3, NOTE_C4, NOTE_D4, NOTE_F4, NOTE_E4,
NOTE_A3, NOTE_E4, NOTE_A3, NOTE_G3, NOTE_A3, NOTE_E4, NOTE_A3, NOTE_G3,
NOTE_A3, NOTE_E3, NOTE_G3, NOTE_A3, NOTE_C4, NOTE_B3, NOTE_G3, NOTE_A3,
NOTE_A3, NOTE_G3, NOTE_A3, 0, 0, 0, 0, 0
};
// note durations: 4 = quarter note, 8 = eighth note, etc.:
int noteDurations[] = {
//4, 8, 8, 4, 4, 4, 4, 4
8, 8, 4, 4, 8, 8, 8, 4,
8, 8, 8, 4, 8, 8, 4, 4,
4, 8, 4, 8, 8, 8, 4, 4,
4, 4, 4, 8, 4, 8, 8, 8,
4, 8, 8, 4, 4, 4, 8, 4,
4, 8, 4, 4, 4, 4, 4, 4
};
void setup() {
// iterate over the notes of the melody:
for (int thisNote = 0; thisNote < 48; 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 * 1.34;
delay(pauseBetweenNotes);
// stop the tone playing:
noTone(8);
}
}
void loop() {
// no need to repeat the melody.
}
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