#include <IRremote.h>
#include <LiquidCrystal.h>

const int RECV_PIN = 11; // IR Receiver output pin

IRrecv irrecv(RECV_PIN);
decode_results results;

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

void setup() {
  Serial.begin(9600);
  irrecv.enableIRIn(); // Start the IR receiver
  lcd.begin(16, 2); // Initialize the LCD
  lcd.print("IR RFID System");
  lcd.setCursor(0, 1);
  lcd.print("Ready");
  delay(2000);
  lcd.clear();
}

void loop() {
  if (irrecv.decode(&results)) {
    unsigned long irCode = results.value;
    lcd.clear();
    lcd.print("Tag detected:");
    lcd.setCursor(0, 1);
    lcd.print(irCode, HEX);
    irrecv.resume(); // Receive the next value
    delay(1000); // Delay to avoid multiple reads
    lcd.clear();
  }
}