Piezo Microphones

Piezo Microphones

Piezo contact microphone Contact microphones are piezoelectric transducers and are mostly used for producing sound as buzzers, beepers and small speakers in electronic devices. For example a doorbel, microwave ping, cellphones, etc. If you reverse the signal and use the piezo transducer as a mic instead of a primitive speaker, you’re actually picking up vibrations. The […]

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