Grove - Sound Sensor Based on LM386 amplifier - Arduino Compatible

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An Arduino sound sensor based on the power amplifier LM386 and the electret microphone. It can be used to detect whether there's sound (like the sound of clapping, noise, etc) surround or not and output the sound strength of the environment. This sound module provides analog output signal.

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For all Grove users (especially beginners), we provide you guidance PDF documents. Please download and read through Preface - Getting Started and Introduction to Grove before you use this  product.

Key Features

  • Easy project operation: Grove compatible interface

  • Analog output signal

  • Wide supply voltage range: 4V-12V

  • Low quiescent current drain: 4mA

  • Tiny size: 2.0cm x 2.0cm twig module

  • Minimum external parts

  • Based on the power amplifier LM386


The Sound sensor module is a simple microphone compatible with many microcontrollers and SBCs like Arduino and Raspberry Pi. Based on the power amplifier LM386 and the electret microphone, it can be used to detect whether there's sound (like the sound of clapping, noise, etc) surround or not and output the sound strength of the environment. This module can easily integrate with logic modules on the input side of Grove circuits and its output is analog. With its tiny size and high performance, it is perfect for your Raspberry Pi audio detection project and interactive project.

Typical Application

  • Simple microphone

  • Sound/noise detector

  • Smart home: Sound control lamp

  • Sound interactive device

Technical details

Dimensions 24mm x20mm x9.8mm
Weight G.W 9g
Battery Exclude
Operating Voltage Range 3.3/5 V
Operating Current(Vcc=5V) 4~5 mA
Voltage Gain(V=6V, f=1kHz) 26 dB
Microphone sensitivity(1kHz) 52-48 dB
Microphone Impedance 2.2k Ohm
Microphone Frequency 16-20 kHz
Microphone S/N Radio 54 dB

Part List

Grove - Sound Sensor 1


HSCODE 9031900090
USHSCODE 8473305100
UPC 841454107613

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Grove - Sound Sensor

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