arduino学习笔记⼆⼗--⽆源蜂鸣器+ARDUINO开发板播放⾳乐⽆源蜂鸣器+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
reference:
/en/Tutorial/Tone
*/
#define NOTE_B0 31
#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 #def
ine 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_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_ 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_ 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, NO 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, NO 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_D 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);
}
}
⼩星星 国际歌
int song[] = {
/* ⼉歌《⼩星星》*/
html播放音乐代码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()
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);
}
}
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