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

// IR setup
const int RECV_PIN = 11;
IRrecv irrecv(RECV_PIN);
decode_results results;

// LCD setup (I2C address may be 0x27 or 0x3F)
LiquidCrystal_I2C lcd(0x27, 20, 4);

void setup() {
  Serial.begin(9600);
  irrecv.begin(RECV_PIN);

  lcd.init();
  lcd.backlight();
  lcd.setCursor(0, 0);
  lcd.print("IR Receiver Ready");
}

void loop() {
  if (irrecv.decode()) {
    unsigned long code = irrecv.decodedIRData.decodedRawData;

    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("IR Code:");
    lcd.setCursor(0, 1);
    lcd.print(code, HEX);  // Use DEC for decimal if you want

    Serial.print("IR Code: ");
    Serial.println(code, HEX);

    delay(1000); // Avoid rapid refresh
    irrecv.resume(); // Ready to receive next
  }
}