Gas Sensor Arduino

Introduction: Gas Sensor Arduino

About: CLASS 8TH STUDENT

Gas Sensor Arduino

Supplies

Arduino uno
MQ5 gas sensor
Buzzer
Breadboard

Step 1: Code

int gas; //random variable
void setup() {
pinMode(12,OUTPUT); //output pin for relay board, this will sent signal to the relay
pinMode(9,INPUT); //input pin coming from soil sensor
}void loop() {
gas = digitalRead(9); // reading the coming signal from the soil sensor
if(gas == HIGH) // if water level is full then cut the relay
{
digitalWrite(12,LOW); // low is to cut the relay
}
else
{
digitalWrite(12,HIGH); //high to continue proving signal and water supply
}
}

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