light blocking sensor

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                 //light blocking sensor coding

                 //this coding belongs to pradeep royal creation youtube channel

int Led=13;//define the led's(also use buzzer) port

int sensor =3; //define the port of light blocking module

int val;//define digital variable val

 

 

void  setup()

{

pinMode(Led,OUTPUT);//define digital variable val

pinMode(sensor ,INPUT);//define light blocking module as a output port

}

 

void  loop()

{ val=digitalRead(sensor);//read the value of the digital interface 3 assigned to val

if(val==HIGH)//when the light blocking sensor have signal, LED blink

{

digitalWrite(Led,HIGH);

}

else

{

digitalWrite(Led,LOW);

}

}