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.
Grove compatible interface
Wide supply voltage range: 4V-12V
Low quiescent current drain: 4mA
2.0cm x 2.0cm twig module
Minimum external parts
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.
Please visit our wiki page for more info about this product. It will be appreciated if you can help us improve the documents, add more demo code or tutorials. For technical support, please post your questions to our forum.
It measures in terms of analog voltage and you need to convert them to dB using a formula.
I would like to use this to send audio frequencies to an Arduino Uno board for light up the 3 different group of RGB LED. The single Led is on by one frequencies of sound (low, medium or high).
how much sensor i need, one for single led or just one
It can detect the sound strength of the environment, but not the audio frequencies. If you wanna use one to judge the level of sound, yes you can.
I would like to use this sensor to detect pure tones and to react Arduino depending of each single pure tone sent. So, can it be used in this way?? Any demo code for this one?
Hi there, it can only be used to detect the sound strength of the environment. About the demo code you can go to Wiki Page to view and refer to.
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