Episode 27- Basics of GAS dictator (Malayalam)

The circuit


The Code 

	#define gas_pin 3
	#define buzzer 13
	#define led 12
	boolean value;
	void setup() {
	Serial.begin(9600);
	pinMode(gas_pin,INPUT);
	pinMode(buzzer,OUTPUT);
	pinMode(led,OUTPUT);
	digitalWrite(buzzer,LOW);
	digitalWrite(led,LOW);
	}
	void loop() {
	value=digitalRead(gas_pin);
	if(value==0)
	{
	digitalWrite(buzzer,HIGH);
	digitalWrite(led,HIGH);
	delay(5000);
	digitalWrite(buzzer,LOW);
	digitalWrite(led,LOW);
	}
	}

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