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

#define LED1 18
#define LED2 16
#define LED3 17
#define recv 4

IRrecv recv_pin(recv);
LiquidCrystal_I2C lcd(0x27, 20, 4);

void setup() {
  lcd.init(); 
  lcd.backlight(); 
  //write code to enable the IR receiver here
  recv_pin.enableIRIn();
  recv_pin.blink13(true);
  pinMode(LED1, OUTPUT);
  pinMode(LED2, OUTPUT);
  pinMode(LED3, OUTPUT);
}

void loop() {

  lcd.setCursor(0, 0);
  lcd.print("Status:");

  if(recv_pin.decode()){

    //write code to store the decoded IR receiver data in response variable
    //int response=recv_pin.decodedIRData.command;
    String response = String(recv_pin.decodedIRData.command);

    if(response=="48") { // NUM 1 BUTTON
      digitalWrite(LED1, HIGH);
      lcd.setCursor(0, 2);
      lcd.print("LED1 ON");
    }
    else if(response=="24"){ //NUM 2 BUTTON
      digitalWrite(LED2, HIGH);
      lcd.setCursor(0, 2);
      lcd.print("LED2 ON");
    }
    else if(response=="122"){ // NUM 3 BUTTON 
      digitalWrite(LED3, HIGH);
      lcd.setCursor(0, 2);
      lcd.print("LED3 ON");
    }
    else if(response=="162"){ //POWER OFF BUTTON
      digitalWrite(LED1, LOW);
      digitalWrite(LED2, LOW);
      digitalWrite(LED3, LOW);
      lcd.setCursor(0, 2);
      lcd.print("LEDs OFF");
    }
  recv_pin.resume();
  }
  
}