无源蜂鸣器+ARDUINO开发板播放音乐
用到材料
1个无源蜂鸣器
2根杜邦线
一片开发板
原理图
蜂鸣器长脚的为正，短脚为负极。
在蜂鸣器的底下也有标价正负。
接好线，选择喜欢的程序
1超级玛丽 扬声器
2蜂鸣器唱歌 小星星 国际歌
3模拟防控警报的响声
提供 3个测试程序，自己选择自己喜欢的下载玩玩。
代码：
超级玛丽
/*
Play Super Mario theme song with Arduino and speaker
circuit:
* 8-ohm speaker on digital pin 8
created 4 June 2011
by naozhendang.com
reference:
http://arduino.cc/en/Tutorial/Tone
*/
#define NOTE_B0 31
#define NOTE_C1 33
#define NOTE_CS1 35
#define NOTE_D1 37
#define NOTE_DS1 39
#define NOTE_E1 41
#define NOTE_F1 44
#define NOTE_FS1 46
#define NOTE_G1 49
#define NOTE_GS1 52
#define NOTE_A1 55
#define NOTE_AS1 58
#define NOTE_B1 62
#define NOTE_C2 65
#define NOTE_CS2 69
#define NOTE_D2 73
#define NOTE_DS2 78
#define NOTE_E2 82
#define NOTE_F2 87
#define NOTE_FS2 93
#define NOTE_G2 98
#define NOTE_GS2 104
#define NOTE_A2 110
#define NOTE_AS2 117
#define NOTE_B2 123
#define NOTE_C3 131
#define NOTE_CS3 139
#define NOTE_D3 147
#define NOTE_DS3 156
#define NOTE_E3 165
#define NOTE_F3 175
#define NOTE_FS3 185
#define NOTE_G3 196
#define NOTE_GS3 208
#define NOTE_A3 220
#define NOTE_AS3 233
#define NOTE_B3 247
#define NOTE_C4 262
#define NOTE_CS4 277
#define NOTE_D4 294
#define NOTE_DS4 311
#define NOTE_E4 330
#define NOTE_F4 349
#define NOTE_FS4 370
#define NOTE_G4 392
#define NOTE_GS4 415
#define NOTE_A4 440
#define NOTE_AS4 466
#define NOTE_B4 494
#define NOTE_C5 523
#define NOTE_CS5 554
#define NOTE_D5 587
#define NOTE_DS5 622
#define NOTE_E5 659
#define NOTE_F5 698
#define NOTE_FS5 740
#define NOTE_G5 784
#define NOTE_GS5 831
#define NOTE_A5 880
#define NOTE_AS5 932
#define NOTE_B5 988
#define NOTE_C6 1047
#define NOTE_CS6 1109
#define NOTE_D6 1175
#define NOTE_DS6 1245
#define NOTE_E6 1319
#define NOTE_F6 1397
#define NOTE_FS6 1480
#define NOTE_G6 1568
#define NOTE_GS6 1661
#define NOTE_A6 1760
#define NOTE_AS6 1865
#define NOTE_B6 1976
#define NOTE_C7 2093
#define NOTE_CS7 2217
#define NOTE_D7 2349
#define NOTE_DS7 2489
#define NOTE_E7 2637
#define NOTE_F7 2794
#define NOTE_FS7 2960
#define NOTE_G7 3136
#define NOTE_GS7 3322
#define NOTE_A7 3520
#define NOTE_AS7 3729
#define NOTE_B7 3951
#define NOTE_C8 4186
#define NOTE_CS8 4435
#define NOTE_D8 4699
#define NOTE_DS8 4978
// notes in the melody:
int melody[] = {
NOTE_E4, NOTE_E4, NOTE_E4, NOTE_C4, NOTE_E4, NOTE_G4, NOTE_G3,
NOTE_C4, NOTE_G3, NOTE_E3, NOTE_A3, NOTE_B3, NOTE_AS3, NOTE_A3, NOTE_G3, NOTE_E4, NOTE_G4, NOTE_A4, NOTE_F4, NOTE_G4, NOTE_E4, NOTE_C4, NOTE_D4, NOTE_B3,
NOTE_C4, NOTE_G3, NOTE_E3, NOTE_A3, NOTE_B3, NOTE_AS3, NOTE_A3, NOTE_G3, NOTE_E4, NOTE_G4, NOTE_A4, NOTE_F4, NOTE_G4, NOTE_E4, NOTE_C4, NOTE_D4, NOTE_B3,
NOTE_G4, NOTE_FS4, NOTE_E4, NOTE_DS4, NOTE_E4, NOTE_GS3, NOTE_A3, NOTE_C4, NOTE_A3, NOTE_C4, NOTE_D4, NOTE_G4, NOTE_FS4, NOTE_E4, NOTE_DS4, NOTE_E4, NOTE_C5, NOTE_C5, NOTE_C5,
NOTE_G4, NOTE_FS4, NOTE_E4, NOTE_DS4, NOTE_E4, NOTE_GS3, NOTE_A3, NOTE_C4, NOTE_A3, NOTE_C4, NOTE_D4, NOTE_DS4, NOTE_D4, NOTE_C4,
NOTE_C4, NOTE_C4, NOTE_C4, NOTE_C4, NOTE_D4, NOTE_E4, NOTE_C4, NOTE_A3, NOTE_G3, NOTE_C4, NOTE_C4, NOTE_C4, NOTE_C4, NOTE_D4, NOTE_E4,
NOTE_C4, NOTE_C4, NOTE_C4, NOTE_C4, NOTE_D4, NOTE_E4, NOTE_C4, NOTE_A3, NOTE_G3
};
// note durations: 4 = quarter note, 8 = eighth note, etc.:
int noteDurations[] = {
8,4,4,8,4,2,2,
3,3,3,4,4,8,4,8,8,8,4,8,4,3,8,8,3,
3,3,3,4,4,8,4,8,8,8,4,8,4,3,8,8,2,
8,8,8,4,4,8,8,4,8,8,3,8,8,8,4,4,4,8,2,
8,8,8,4,4,8,8,4,8,8,3,3,3,1,
8,4,4,8,4,8,4,8,2,8,4,4,8,4,1,
8,4,4,8,4,8,4,8,2
};
void setup() {
// iterate over the notes of the melody:
for (int thisNote = 0; thisNote < 98; 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.
}
小星星 国际歌
int song[] = {
/* 儿歌《小星星》*/
277,277,415,415,466,466,415,
370,370,330,330,311,311,277,
415,415,370,370,330,330,311,
415,415,370,370,330,330,311,
277,277,415,415,466,466,415,
370,370,330,330,311,311,277,
/*《国际歌》*/
370,494,466,554,494,370,311,415,330,
415,554,494,466,415,370,330,311,
370,494,466,554,494,370,311,415,330,
415,554,494,466,554,659,494,
622,554,466,415,466,494,415,466,370,
370,330,370,415,415,554,494,466,
554,554,466,370,370,330,370,622,494,
415,466,494,466,554,494,415,370,
622,554,494,370,311,415,330,
554,494,466,415,370,
370,622,554,370,494,466,
466,415,415,415,554,554,
622,554,494,370,311,415,330,330,
554,494,466,415,370,622,311,622,
740,659,622,554,622,659,
659,622,622,554,554,494,
};
int noteDurations[] = {
2,2,2,2,2,2,1,
2,2,2,2,2,2,1,
2,2,2,2,2,2,1,
2,2,2,2,2,2,1,
2,2,2,2,2,2,1,
2,2,2,2,2,2,1,
1,1,2,2,2,2,2,1,2,
2,1,2,2,2,2,2,1,
1,1,2,2,2,2,2,1,2,
2,2,2,1,1,1,1,2,
2,2,1,2,2,2,2,1,2,
2,2,2,2,1,1,1,2,
2,1,2,2,2,2,2,1,2,
2,2,2,1,1,2,1,2,
2,2,1,1,2,1,2,
2,2,1,1,2,2,
1,1,1,1,1,1,
2,1,2,1,2,1,2,
2,2,1,1,2,1,2,2,
2,2,1,1,1,1,2,1,
1,1,1,1,2,2,
1,1,2,1,2,1,
};
void setup()
{
for (int thisNote = 0; thisNote <154; thisNote++)
{
int noteDuration = 1000/noteDurations[thisNote];// 计算每个节拍的时间，以一个节拍一秒为例，四分之一拍就是1000/4毫秒，八分之一拍就是1000/8毫秒
tone(8, song[thisNote],noteDuration);
int pauseBetweenNotes = noteDuration * 1.10; //每个音符间的停顿间隔，以该音符的130%为佳
delay(pauseBetweenNotes);
noTone(8);
}
}
void loop()
{
setup();//反复唱
}
模拟防控警报
void setup()
{
}
void loop()
{
for(int i=200;i=800;i++) 用循环的方式将频率从200HZ 增加到800HZ
{
pinMode(4,OUTPUT);
tone(4,i); 在四号端口输出频率
delay(5); 该频率维持5毫秒
}
delay(4000); 最高频率下维持4秒钟
for(int i=800;i=200;i--)
{
pinMode(4,OUTPUT);
tone(4,i);
delay(10);
}
}
来源：CSDN
作者：甜航一直在
链接：https://blog.csdn.net/qq_37631068/article/details/103447647