1)Objective

In this project, we will use Arduino to detect input signal from sound sensor. If sound sensor detects sound, it will send low voltage to Arduino, and Arduino will turn on LED.

Parts and Devices:

1 x arduino UNO

1 x  Sound sensor

1 x RED LED

1 x USB cable

Jumper wires

3)Circuit graph

sound_sensor_arduino_bb

4)Sample code download link:

sound_sensor Arduino code download here

Unzip sound_sensor.rar file downloaded from above link and then load it into Arduino, you will see following results.

5)Results

We you speak or make noise near sound sensor, you will see LED flash. If no sound detected, the LED will turn off

 

 

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