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The 1st Arduino Playground in Greece - Open Source Hardware

Sound Sensor

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Introduction 

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Grove - Sound Sensor can detect the sound intensity of the environment. The main component of the module is a simple microphone, which is based on the LM386 amplifier and an electret microphone. This module's output is analog and can be easily sampled and tested by a Seeeduino.

Features
  • Easy to use
  • Provides analog output signal
  • Easily integrates with Logic modules on the input side of Grove circuits

What we need and connection

For this tutorial we will need:
  • Arduino UNO
  • Grove Base Shield
  • Sound Sensor
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The code

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// test code for Grove - Sound Sensor
// loovee @ 2016-8-30

const int pinAdc = A0;

void setup()
{
    Serial.begin(115200);
    //Serial.println("Grove - Sound Sensor Test...");
}

void loop()
{
    long sum = 0;
    for(int i=0; i<32; i++)
    {
        sum += analogRead(pinAdc);
    }

    sum >>= 5;

    Serial.println(sum);
    delay(10);
}
Download the code from here and open it with Arduino IDE.
grove-_sound_sensor.zip
File Size: 0 kb
File Type: zip
Download File

Well done!

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You have successfully completed one more Arduino Grove tutorial.

I hope you liked this, let me know in the comments.
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