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LM393 main chip
Electric condenser microphone
Features Single channel signal output
Low level output signal used for sound control light
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 lights up.
Package included:
1 x Voice sound sensor module
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