The Sound Detector is Sensor module is based on a microphone and a power amplifier. It can be used for detecting the sound strength of the environment. The value of digital output can be adjusted by the potentiometer. Also, can use Analog output to get an analog variable signal.
For Sound Detector has two outputs:
AO - analog output, real-time output voltage signal of the microphone
DO - when the sound intensity reaches a certain threshold, the output high and low signal The threshold-sensitivity can be adjusted via potentiometer on the sensor
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