20Pcs KY-038 Microphone Sound Sensor Module For Arduino
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sku: 1145485
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$15.83
Shipping from: China
Description
Description: 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: 20 x Voice sound sensor module
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