Compare Prices on 2pcs Red/Blue KY-037 Microphone Sensor Sound Detection Module. Today you can find offers and read

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£4.45

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Overview

KY-037 High Sensitive Sound Microphone Sensor. Main chip:LM393, Electret condenser microphone. Single channel signal output. When there is sound, outputs low level and the signal light. The output effective signal is low level.

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