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The buzzer can be used in your Arduino development plots to generate sounds at different frequencies. This device can play a wide range of frequencies.
It's ideal to alert you that a particular process has ended, for example, the completion of tea making by an automaton.
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Devices that can produce a sound when under the influence of a variable voltage. They have a much simpler construction than the speakers in the audio speakers.
Active buzzers take power from a source (such as a 5 V lead on the Arduino plate, which can generate more power than an ordinary pin) and are powered by a combo element.
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