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Can a Piezo make a sound without an Arduino?

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Can a Piezo (such as this one make a sound without an Arduino?
asked July, 28, 2021
Marcus Schappi

1 Answer

There are two types of buzzers, active buzzers and passive buzzers.
Active buzzers can generate sound without an external signal, passive buzzers require an external signal.
answered July, 28, 2021
Marcus Schappi

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