#include <LiquidCrystal.h>

LiquidCrystal lcd(7, 6, 5, 4, 3, 2);  // RS, EN, D4, D5, D6, D7

const int irReceiverPin = 2;
const int rfidButtonPin = 7;  // Simulated RFID button pin

void setup() {
  Serial.begin(9600);
  lcd.begin(16, 2);  // Initialize the LCD
  
  pinMode(irReceiverPin, INPUT);
  pinMode(rfidButtonPin, INPUT_PULLUP);  // Simulated RFID button
  
  lcd.print("RFID Attendance");
  lcd.setCursor(0, 1);
  lcd.print("System");
  delay(2000);
}

void loop() {
  // Check for IR signal
  if (digitalRead(irReceiverPin) == HIGH) {
    lcd.clear();
    lcd.print("IR Detected!");
    delay(1000);
    lcd.clear();
  }
  
  // Check for simulated RFID button press
  if (digitalRead(rfidButtonPin) == LOW) {
    lcd.clear();
    lcd.print("Card ID: 0xABCD");
    delay(2000);
    lcd.clear();
    lcd.print("Presented!");
    delay(1000);
    lcd.clear();
  }
}