喇叭模块:修訂版本之間的差異
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:'''示例代码''' | :'''示例代码''' | ||
− | + | ||
//Speaker test | //Speaker test | ||
//simulate the ambulance voice by speaker | //simulate the ambulance voice by speaker | ||
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<br> | <br> | ||
+ | |||
+ | 示例代码 | ||
+ | //Speaker test | ||
+ | //simulate the ambulance voice by speaker | ||
+ | | ||
+ | | ||
+ | int speakerPin = 6; //set speaker pin | ||
+ | | ||
+ | void setup() { | ||
+ | pinMode(speakerPin, OUTPUT); | ||
+ | } | ||
+ | | ||
+ | void loop() { | ||
+ | unsigned char i, j; | ||
+ | while (1) | ||
+ | { | ||
+ | for (i = 0; i < 80; i++) //make frequency of a sound | ||
+ | { | ||
+ | digitalWrite(speakerPin, HIGH); | ||
+ | delay(1); | ||
+ | digitalWrite(speakerPin, LOW); | ||
+ | delay(1); | ||
+ | } | ||
+ | for (i = 0; i < 100; i++) //make another frequency of a sound | ||
+ | { | ||
+ | digitalWrite(speakerPin, HIGH); | ||
+ | delay(2); | ||
+ | digitalWrite(speakerPin, LOW); | ||
+ | delay(2); | ||
+ | } | ||
+ | } | ||
+ | } | ||
+ | 程序下载地址:Speaker_test / Speaker_test-Yun.baidu | ||
+ | |||
+ | 程序运行结果:给两种不同频率,使其发出两种声音,模拟救护车声音。 | ||
+ | |||
+ | |||
===扩展程序=== | ===扩展程序=== |
2021年2月2日 (二) 08:59的修訂版本
產品簡介
喇叭模塊,採用高保真功放芯片LM4871製作,保證音質輸出;撥盤式電位器,輕鬆調節音量大小;寬電壓範圍:3V - 5.5V ;PH2.0接線端子,配合專用3P杜邦線,使用非常方便,趕緊加入你的項目吧。
可配合語音模塊的DAC模式使用!!
提示:無源蜂鳴器雖然也能實現唱歌發聲功能,但音質和喇叭模塊不能比的!
規格參數
- 供電電壓:DC3 - 5V
- 安裝孔徑:3MM
- 模塊重量:5g
- 模塊尺寸圖:單位mm
主要應用
時鐘報時、天氣語音播報、唱歌等
引腳說明
- 1. G -- Gnd(地)
- 2. V -- Vcc(電源+5V)
- 3. S -- Sign(信號)
應用示例
- 電路連接示意圖
- 示例代碼
//Speaker test //simulate the ambulance voice by speaker
int speakerPin = 6; //set speaker pin
void setup() {
pinMode(speakerPin, OUTPUT);
}
void loop() {
unsigned char i, j; while (1) { for (i = 0; i < 80; i++) //make frequency of a sound { digitalWrite(speakerPin, HIGH); delay(1); digitalWrite(speakerPin, LOW); delay(1); } for (i = 0; i < 100; i++) //make another frequency of a sound { digitalWrite(speakerPin, HIGH); delay(2); digitalWrite(speakerPin, LOW); delay(2); } }
} </pre> 程序下載地址:Speaker_test / Speaker_test-Yun.baidu
程序運行結果:給兩種不同頻率,使其發出兩種聲音,模擬救護車聲音。
示例代碼 //Speaker test //simulate the ambulance voice by speaker int speakerPin = 6; //set speaker pin void setup() {
pinMode(speakerPin, OUTPUT);
} void loop() {
unsigned char i, j; while (1) { for (i = 0; i < 80; i++) //make frequency of a sound { digitalWrite(speakerPin, HIGH); delay(1); digitalWrite(speakerPin, LOW); delay(1); } for (i = 0; i < 100; i++) //make another frequency of a sound { digitalWrite(speakerPin, HIGH); delay(2); digitalWrite(speakerPin, LOW); delay(2); } }
} 程序下載地址:Speaker_test / Speaker_test-Yun.baidu
程序運行結果:給兩種不同頻率,使其發出兩種聲音,模擬救護車聲音。
擴展程序
再給大家兩個參考程序及DIY教程
- 超級瑪麗音樂:Super_Mario / Super_Mario-Yun.baidu
參考資料
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