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3pcs Microphone Voice Sound Sensor Module For Arduino

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                  Description:

                  This is microphone voice sound sensor module for Arduino
                  Brand: KEYES
                  Model: KY-038
                  Adopt LM393 main chip
                  Electric condenser microphone
                  Features Single channel signal output
                  Low level output signal used for sound control light
                  Great module for sound alarm system
                  Working voltage: DC 4-6V

                  Interface definition:

                  AO: analog output sensor
                  GND: ground
                  VCC: Power supply input range: 3V-24V.
                  DO: Digital Output (comparator output)
                  Two red LED indication: POWER and SENSOR. POWER: Power is off. SENSOR: When the microphone senses sound reaches a certain value, this LED light.

                  Package included:

                  3 x Voice sound sensor module

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