The Sound sensor module is a simple microphone. Based on the power amplifier LM386 and the electret microphone, it can be used to detect the sound strength of the environment. The value of output can be adjusted by the potentiometer. Features Grove compatible interface Wide supply voltage range: 4V-12V Low quiescent current drain: 4mA 2.0cm x 2.0cm twig module Minimum external parts Gain adjustable Applications Ideas Simple microphone Sound detection 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 your using of the product. Technical details Dimensions 24mm x 20mm x 9.8mm Weight G.W 7g 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 Includes Grove – Sound Sensor X 1 Documents Schematic in Eagle File LM386.pdf Related
