Episode 26- Basics of Arduino Clap Switch (Malayalam)

Circuit

CODE

	#define led_pin 13
	#define sound 12
	boolean led=LOW;
	boolean value_1;
	boolean value_2;
	void setup() {
	pinMode(led_pin,OUTPUT);
	pinMode(sound,INPUT);
	digitalWrite(led_pin,led);
	Serial.begin(9600);
	}
	void loop() {
	value_1=digitalRead(sound);
	Serial.print("value 1 is ");
	Serial.println(value_1);
	delay(20);
	value_2=digitalRead(sound);
	Serial.print("Value 2 is ");
	Serial.println(value_2);
	if(value_1!=value_2)
	{
	led=!led;
	digitalWrite(led_pin,led);
	delay(100);
	}
	}

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