DIY Homemade Sound Sensor

Make sound sensor at your home

Jun 18, 2021

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4600 views

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1 respects

audio

home automation

smart appliances

Components and supplies

150 ohm resistor

condesner mic

3 mm LED: Green

Resistor 100k ohm

Single Turn Potentiometer- 100k ohms

LM393 IC

Resistor 330 ohm

Resistor 10k ohm

LED (generic)

Jumper wires (generic)

Arduino UNO

Tools and machines

Hot glue gun (generic)

PCB, For DMB-4775

Soldering iron (generic)

Project description

Code

Test code of Sound sensor

arduino

1//https://www.youtube.com/channel/UCaXI2PcsTlH5g0et67kdD6g //
2// Sound  sensor code //
3// MOHD SOHAIL //
4
5const int ledpin=13; // ledpin and soundpin  are not changed throughout the process
6const int soundpin=A2;
7const int threshold=200;  // sets threshold value for sound sensor
8void setup() {
9Serial.begin(9600);
10pinMode(ledpin,OUTPUT);
11pinMode(soundpin,INPUT);
12}
13void  loop() {
14int soundsens=analogRead(soundpin); // reads analog data from sound  sensor
15if (soundsens>=threshold) {
16digitalWrite(ledpin,HIGH); //turns led  on
17delay(3000);
18}
19else{
20digitalWrite(ledpin,LOW);
21}
22}
23

//https://www.youtube.com/channel/UCaXI2PcsTlH5g0et67kdD6g //
// Sound  sensor code //
// MOHD SOHAIL //

const int ledpin=13; // ledpin and soundpin  are not changed throughout the process
const int soundpin=A2;
const int threshold=200;  // sets threshold value for sound sensor
void setup() {
Serial.begin(9600);
pinMode(ledpin,OUTPUT);
pinMode(soundpin,INPUT);
}
void  loop() {
int soundsens=analogRead(soundpin); // reads analog data from sound  sensor
if (soundsens>=threshold) {
digitalWrite(ledpin,HIGH); //turns led  on
delay(3000);
}
else{
digitalWrite(ledpin,LOW);
}
}

Test code of Sound sensor

arduino

1//https://www.youtube.com/channel/UCaXI2PcsTlH5g0et67kdD6g //
2// Sound
3  sensor code //
4// MOHD SOHAIL //
5
6const int ledpin=13; // ledpin and soundpin
7  are not changed throughout the process
8const int soundpin=A2;
9const int threshold=200;
10  // sets threshold value for sound sensor
11void setup() {
12Serial.begin(9600);
13pinMode(ledpin,OUTPUT);
14pinMode(soundpin,INPUT);
15}
16void
17  loop() {
18int soundsens=analogRead(soundpin); // reads analog data from sound
19  sensor
20if (soundsens>=threshold) {
21digitalWrite(ledpin,HIGH); //turns led
22  on
23delay(3000);
24}
25else{
26digitalWrite(ledpin,LOW);
27}
28}
29

//https://www.youtube.com/channel/UCaXI2PcsTlH5g0et67kdD6g //
// Sound
  sensor code //
// MOHD SOHAIL //

const int ledpin=13; // ledpin and soundpin
  are not changed throughout the process
const int soundpin=A2;
const int threshold=200;
  // sets threshold value for sound sensor
void setup() {
Serial.begin(9600);
pinMode(ledpin,OUTPUT);
pinMode(soundpin,INPUT);
}
void
  loop() {
int soundsens=analogRead(soundpin); // reads analog data from sound
  sensor
if (soundsens>=threshold) {
digitalWrite(ledpin,HIGH); //turns led
  on
delay(3000);
}
else{
digitalWrite(ledpin,LOW);
}
}

Downloadable files

Circuit Diagram of sound sensor

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