GY-SPH0645LM4H I2S Interface MEMS Digital Sound Sensor Microphone Mic Head Microphone

Product Introduction

The function of a sound sensor is equivalent to a microphone. It is used to receive sound waves and winter display vibration images, but cannot measure the intensity of noise. The sensor is equipped with a capacitive electret microphone that is sensitive to sound. Sound waves cause the diaphragm inside the microphone to vibrate, resulting in a change in capacitance and a corresponding small voltage variation. This voltage is then converted into a 0-5V voltage, which is received by the data collector through A/D conversion and transmitted to the meter.

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