#include <Wire.h>
#include <LiquidCrystal_I2C.h>


const int irSensorPin1 = 4; 
const int irSensorPin2 = 2; 


LiquidCrystal_I2C lcd(0x27, 16, 2); 


int enterCount = 0; 
int exitCount = 0;  

void setup() {
  
  Serial.begin(115200);

  
  pinMode(irSensorPin1, INPUT);
  pinMode(irSensorPin2, INPUT);

  lcd.init();
  lcd.backlight();

  
  lcd.begin(16, 2);
  lcd.print("Enter: 0   Exit: 0");
}

void loop() {
  
  if (digitalRead(irSensorPin1) == HIGH) {
    
    enterCount++;
    updateLCD();
    delay(1000); 
  }

  if (digitalRead(irSensorPin2) == HIGH) {
    
    exitCount++;
    updateLCD();
    delay(1000); 
  }
}

void updateLCD() {
  lcd.setCursor(7, 0);
  lcd.print("    "); 
  lcd.setCursor(13, 0);
  lcd.print("    "); 

  lcd.setCursor(7, 0);
  lcd.print(enterCount); // Display the updated enter count

  lcd.setCursor(13, 0);
  lcd.print(exitCount); // Display the updated exit count
}