//program using IR sensor


int sensorPin1 = 14; 
int sensorPin2 = 13; 
int ledPin1 = 19;    
int ledPin2 = 18;    

void setup()
{
  pinMode(ledPin1, OUTPUT);
  pinMode(ledPin2, OUTPUT);
  pinMode(sensorPin1, INPUT);
  pinMode(sensorPin2, INPUT);
  Serial.begin(9600);
}

void loop()
{
  int sensor1State = digitalRead(sensorPin1);
  int sensor2State = digitalRead(sensorPin2);
  
  if (sensor1State == HIGH && sensor2State == LOW) 
  {
    digitalWrite(ledPin1, HIGH); 
    digitalWrite(ledPin2, LOW);  
    Serial.println("Person entered the room");
    delay(500);
  }
  else if (sensor1State == LOW && sensor2State == HIGH) 
  {
    digitalWrite(ledPin1, LOW);   
    digitalWrite(ledPin2, HIGH);  
    Serial.println("Person exited the room");
    delay(500);
  }
  else // No person detected
  {
    digitalWrite(ledPin1, LOW);   // Turn off first LED
    digitalWrite(ledPin2, LOW);   // Turn off second LED
    Serial.println("No person detected");
    delay(500);
  }
}