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5Pcs Sound Sensor Module, 3 to 5V Microphone Sound Sensor Microphone Sensor Module Ultra Small Professional Microphone Amplifier IC KY-038 for Assembly with Indicator Lights
Application: The sound sensor is suitable for assembly, and installed on various small equipment like microphone and robot.
High-performance: This module uses professional microphone amplifier IC, which possess high sensitivity. Give you a professional and comfortable using feeling.
High-quality: Low power consumption of sensor is easy to control, more stable and more efficient, which is and has long life service.
Client d'
Reviewed in Canada on April 2, 2023
Useless,unworkable, a waste of money. The DO output is always ON. Most likely because the voltage do not drop enough.
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