This sound sensor is typically used in detecting the loudness in ambient environment.You can use it to make interactive circuits such as a voice-operated switch.
The sound sensitivity can be adjusted by the potentiometer. The sensor comes with a fixed hole, easy for fixation on other devices.
This module should be used together with EASY plug control board.
Features
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Sensor type: Analog
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Supply Voltage: 3.3V to 5V
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Operating current：<10mA
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Output signal：analog signal