Arduino Sound Sensor Tutorial | Arduino Clap Sensor Tutorial

Introduction: Arduino Sound Sensor Tutorial | Arduino Clap Sensor Tutorial

Hi guys in this instructables we will learn how to use sound sensor with Arduino and basically sound sensor is used to detect sounds and read the sound using Arduino and we can use sound inputs with Arduino using sound sensor.

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Step 1: Things You Need

For this instructables we will need following things :

Arduino uno

Sound sensor

Jumper wires



Resistor 220ohm

Step 2: Connections

Please follow the shown schmatics and connect everything According to it.

Pin - Wiring to Arduino
D0 - Digital pins
VCC - 5V

Step 3: Code

Please copy the following code and upload it to the arduino Board :

int ledPin=13;
int sensorPin=7;
boolean val =0;

void setup(){
pinMode(ledPin, OUTPUT);
pinMode(sensorPin, INPUT);
Serial.begin (9600);

void loop (){
val =digitalRead(sensorPin);
Serial.println (val);
// when the sensor detects a signal above the threshold value, LED flashes
if (val==HIGH) {
digitalWrite(ledPin, HIGH);
else {
digitalWrite(ledPin, LOW);

Step 4: Output

After uploading the code, you can clap next to the sensor. If the LED is not lighting up, you need to change the sensor sensitivity by rotating the potentiometer.

You can also adjust the sensitivity so that the LED follows the beat of a certain music.

Add more LEDs for a more spectacular effect!

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