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What is a mechanical buzzer

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  • 07 2018-08
    What is a mechanical buzzer ?
    What is a mechanical buzzer? The mechanical buzzer is a special sub-category of the electromagnetic buzzer, which consists of an oscillator, an electromagnetic coil, a magnet, a casing and etc.The mechanical buzzer is always with high impedance, DC resistance is infinite, AC impedance is also very l
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