Coding guna Infra Red sensor.

 nt LED1=5;

int LED2=6;

int LED3=7;

int IR1 = 2;

void setup() {

  // put your setup code here, to run once:

pinMode(LED1,OUTPUT);

pinMode(LED2,OUTPUT);

pinMode(LED3,OUTPUT);

pinMode(8, INPUT_PULLUP);

pinMode(9, INPUT_PULLUP);

pinMode(11, INPUT_PULLUP);

pinMode(IR1, INPUT);

}

void loop() {

  // put your main code here, to run repeatedly:

  

Serial.begin(9600);

 int Button1 = digitalRead(11);

 int Button2 = digitalRead(9);

 int Button3 = digitalRead(8);

 int Button4 = digitalRead(IR1);

digitalWrite(LED1,LOW);

digitalWrite(LED2,LOW);

digitalWrite(LED3,LOW); 

delay(500);

 

if(Button1 == LOW)

{

digitalWrite(LED1,HIGH);

delay(1000);

digitalWrite(LED1,LOW);

delay(1000);

Serial.print(" azan "); 

}

else if(Button2 == LOW)

{

digitalWrite(LED2,HIGH);

delay(1000);

digitalWrite(LED2,LOW);

delay(1000);

}

else if(Button3 == LOW)

{

digitalWrite(LED3,HIGH);

delay(1000);

digitalWrite(LED3,LOW);

delay(1000);

}

else if(Button4 == LOW)

{

digitalWrite(LED3,HIGH);

digitalWrite(LED1,HIGH);

delay(1000);

}

else

{

digitalWrite(LED1,HIGH);

digitalWrite(LED2,HIGH);

digitalWrite(LED3,HIGH); 

delay(500); 

}

}