BakeBit - Buzzer/zh
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Kangjing
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1
介绍
Buzzer
BakeBit - Buzzer是一个无源蜂鸣器模块,无源蜂鸣器内部有音圈和钼片,输入方波信号时,方波信号通过绕在支架上的线包在支架的芯柱上产生一交变的磁通,交变的磁通和磁环恒定磁通进行叠加,使钼片以给定的方波信号频率振动并配合共振腔发声。通过调整输入方波信号的频率即可使无源蜂鸣器发出频率不同的声音。
广泛应用于计算机、报警器、电子玩具、汽车电子设备、定时器等电子产品中作发声器件。
2
特性
使用标准的2.0mm 4 Pin BakeBit接口
数字信号输入
PCB尺寸(mm):20x24
引脚说明:
名称
描述
V
电源5V
G
地
S
输入,接PWM
3
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