Analog_Sound_Sensor_(SKU__DFR0034) - jimaobian/DFRobotWiki GitHub Wiki

Introduction

This small breakout board couples a small electret microphone with a 100x opamp to amplify the sounds of voice, door knocks, etc loud enough to be picked up by a microcontroller's Analog to Digital converter.

Pin Definition

The definition of sound sensor pin is

1. Signal Output
2. GND
3. Power

Connection Diagram

Sample Code

void setup()
{
  Serial.begin(9600); // open serial port, set the baud rate to 9600 bps
}
void loop()
{
      int val;
      val=analogRead(0);   //connect mic sensor to Analog 0
      Serial.println(val,DEC);//print the sound value to serial
      delay(100);
}

Projects

shopping analog sound sensor (sku: dfr0034)

category: Product Manual category: DFR Series category: Sensors category:source category:Diagram