Difference between revisions of "Sound Sensor"

Revision as of 01:56, 17 September 2012

Overview

The Sound sensor module is a simple microphone based on a opamp LM358 to amplify the sound strength of the environment like door knocks, etc loud enough to be picked up by a microcontroller's Analog to Digital converter. The value of output can be adjusted by the potentiometer.

Applications

Simple microphone Sound detection

Connection Diagram

Examples

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);

}

How to buy

Click here to buy Sound sensor