GAS LEAKGE DETECTOR

In this tutorial we will learn how to make a GAS LEAKAGE DETECTOR to protect your home from a big explosion

USE OF THIS CIRCUIT

This is very usefull circuit to protect your home from a big explosion because when the gas leaks the sensor used in this circuit recognise it and make sound (if you are using buzzer)

THINGS NEEDED

* Arduino  : https://amzn.to/40m7UpN

* Gas Sensor (I am using MQ-6 Gas Sensor)  : https://amzn.to/41n8Co2

*LED or Buzzer

CIRCUIT

Gas Sensor : VCC to VCC

                      GND to GND

                     A0 to A0

LED :         Positive to Pin 8

                      Negative to GND

CODE

///https://dreamprojectsnow.blogspot.com/
//DREAM PROJECT MALAYALAM

int buzzer = 10; //YOU CAN CHANGE THE PIN NUMBER
int smokeA0 = A0;
int sensorThres = 600;

void setup() {
  pinMode(buzzer, OUTPUT);
  pinMode(smokeA0, INPUT);
  Serial.begin(9600);
}

void loop() {
  int analogSensor = analogRead(smokeA0);
  Serial.print("Pin A0: ");
  Serial.println(analogSensor);
  if (analogSensor > sensorThres)
  {
    digitalWrite(buzzer, HIGH);  
  }
  else
  {
    digitalWrite(buzzer, LOW);
  }
  delay(100);}
  

 
WORKING



If your circuit is not working rotate the screw behind the sensor or change the value in 
the code according to your sensor output 

Thank you