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IR Infrared Obstacle Avoidance Reflection Sensor Module for Robot Car $0.21
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Microphone Sound Voice Whistle Detection Sensor Module Red KY-037 $0.24

Microphone Sound Voice Whistle Detection Sensor Module Blue

$0.24

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SKU: ARD2178 Category:
Description

Working voltage: DC3.3-5V
Output: digital (0 and 1)
Adjustable sensitivity

Additional information
Weight 0.005 kg
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