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Electret microphone useful in sound detection.
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The electret microphone is useful in your electronics projects where you want to detect sound. Its operation is very simple and you only need a capacitor and a resistor to use it. An example of use in which an LED lights up depending on the volume of music can be found here . For this project, you need an LM386 amplifier and an Arduino development board.
Dimensions: 9.7 mm x 6.7 mm
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