用arduino 写一个卡农的音乐代码
时间: 2024-05-01 15:21:25 浏览: 168
可以尝试以下的代码,它将演奏 Pachelbel 的卡农:
```
int melody[] = {
NOTE_F4, NOTE_D4, NOTE_B3, NOTE_G3, NOTE_E3, NOTE_G3, NOTE_B3, NOTE_D4,
NOTE_F4, NOTE_A4, NOTE_B4, NOTE_A4, NOTE_G4, NOTE_FS4, NOTE_G4, NOTE_A4,
NOTE_F4, NOTE_D4, NOTE_B3, NOTE_G3, NOTE_E3, NOTE_G3, NOTE_B3, NOTE_D4,
NOTE_F4, NOTE_A4, NOTE_B4, NOTE_A4, NOTE_G4, NOTE_FS4, NOTE_G4, NOTE_A4,
NOTE_F4, NOTE_D4, NOTE_B3, NOTE_G3, NOTE_E3, NOTE_G3, NOTE_B3, NOTE_D4,
NOTE_F4, NOTE_A4, NOTE_B4, NOTE_A4, NOTE_G4, NOTE_FS4, NOTE_G4, NOTE_A4,
NOTE_F4, NOTE_D4, NOTE_B3, NOTE_G3, NOTE_E3, NOTE_G3, NOTE_B3, NOTE_D4,
NOTE_C5, NOTE_C5, NOTE_D5, NOTE_E5, NOTE_E5, NOTE_D5, NOTE_C5, NOTE_B4, NOTE_A4,
NOTE_B4, NOTE_C5, NOTE_C5, NOTE_B4, NOTE_A4, NOTE_A4, NOTE_B4, NOTE_C5,
NOTE_D5, NOTE_E5, NOTE_E5, NOTE_D5, NOTE_C5, NOTE_B4, NOTE_A4, NOTE_B4,
NOTE_C5, NOTE_D5, NOTE_D5, NOTE_E5, NOTE_D5, NOTE_C5, NOTE_B4, NOTE_C5,
NOTE_D5, NOTE_E5, NOTE_E5, NOTE_FS5, NOTE_E5, NOTE_D5, NOTE_C5, NOTE_D5,
NOTE_E5, NOTE_FS5, NOTE_FS5, NOTE_G5, NOTE_FS5, NOTE_E5, NOTE_D5, NOTE_E5,
NOTE_FS5, NOTE_G5, NOTE_G5, NOTE_A5, NOTE_G5, NOTE_FS5, NOTE_E5, NOTE_D5,
NOTE_E5, NOTE_FS5, NOTE_FS5, NOTE_G5, NOTE_FS5, NOTE_E5, NOTE_D5, NOTE_C5,
NOTE_B4, NOTE_C5, NOTE_D5, NOTE_E5, NOTE_E5, NOTE_D5, NOTE_C5, NOTE_B4, NOTE_A4,
NOTE_B4, NOTE_C5, NOTE_C5, NOTE_B4, NOTE_A4, NOTE_A4, NOTE_B4, NOTE_C5
};
int noteDurations[] = {
4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4, 4, 4, 4, 4,
2, 2, 2, 2, 2, 2, 4, 4, 4,
4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4, 4, 4, 4, 4,
2, 2, 2, 2, 2, 2, 4, 4, 4,
4, 4, 4, 4, 4, 4, 4, 4
};
void setup() {
pinMode(8, OUTPUT);
}
void loop() {
for (int i = 0; i < sizeof(melody) / sizeof(melody[0]); i++) {
int noteDuration = 1000 / noteDurations[i];
tone(8, melody[i], noteDuration);
int pauseBetweenNotes = noteDuration * 1.30;
delay(pauseBetweenNotes);
noTone(8);
}
}
```
这段代码使用了 `tone()` 函数来控制 buzzer 发出声音,使用了 `noTone()` 来停止声音。`melody` 数组包含了每个音符的音高,`noteDurations` 数组包含了每个音符的持续时间。`sizeof()` 函数则用来获取数组的长度,以便迭代整个数组。
将代码上传到 Arduino 开发板并接上 buzzer,它应该开始演奏卡农!