IR remote contolled relays - Arduino

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

int receiver = 11;

bool isOn1 = false;
bool isOn2 = false;
bool isOn3 = false;
bool isOn4 = false;


/*-----( Declare objects )-----*/
IRrecv irrecv(receiver);     // create instance of 'irrecv'
decode_results results;      // create instance of 'decode_results'

LiquidCrystal_I2C lcd(0x27,20,4);

void setup()
{
  lcd.init();
  lcd.backlight();
  lcd.setCursor(0,0);
  lcd.print("Daradici Levente");
  lcd.setCursor(7,1);

  lcd.setCursor(0,1);
  lcd.print("       & Andras");
  delay(3000);
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("Infrared remote");
  lcd.setCursor(4,1);
  lcd.print("Arduino");
  delay(3000);
  lcd.clear();
  lcd.setCursor(1,0);
  lcd.print("Press a button");
  Serial.begin(9600);
  Serial.println("IR Receiver Button Decode");
  irrecv.enableIRIn(); // Start the receiver
  pinMode(13, OUTPUT);

  pinMode(2, OUTPUT);
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(5, OUTPUT);

  digitalWrite(2, HIGH);
  digitalWrite(3, HIGH);
  digitalWrite(4, HIGH);
  digitalWrite(5, HIGH);
}/*--(end setup )---*/


void loop()
{
  if (irrecv.decode(&results)) // have we received an IR signal?

  {
    translateIR();
    irrecv.resume(); // receive the next value
  }
}

/*-----( Function )-----*/
void translateIR() // takes action based on IR code received

// describing Remote IR codes

{

  switch(results.value)

  {

  case 0xFFA25D: Serial.println(" 1"); lcd.clear(); lcd.setCursor(1, 0); lcd.print("Button pressed"); lcd.setCursor(7, 1); lcd.print(" 1");   if(isOn1){digitalWrite(2, HIGH); isOn1 = false;}else{digitalWrite(2, LOW); isOn1 = true;}   break;
  case 0xFF629D: Serial.println(" 2"); lcd.clear(); lcd.setCursor(1, 0); lcd.print("Button pressed"); lcd.setCursor(7, 1); lcd.print(" 2");   if(isOn2){digitalWrite(3, HIGH); isOn2 = false;}else{digitalWrite(3, LOW); isOn2 = true;}   break;
  case 0xFFE21D: Serial.println(" 3"); lcd.clear(); lcd.setCursor(1, 0); lcd.print("Button pressed"); lcd.setCursor(7, 1); lcd.print(" 3");   if(isOn3){digitalWrite(4, HIGH); isOn3 = false;}else{digitalWrite(4, LOW); isOn3 = true;}   break;
  case 0xFF22DD: Serial.println(" 4"); lcd.clear(); lcd.setCursor(1, 0); lcd.print("Button pressed"); lcd.setCursor(7, 1); lcd.print(" 4");   if(isOn4){digitalWrite(5, HIGH); isOn4 = false;}else{digitalWrite(5, LOW); isOn4 = true;}   break;
  case 0xFF02FD: Serial.println(" 5"); lcd.clear(); lcd.setCursor(1, 0); lcd.print("Button pressed"); lcd.setCursor(7, 1); lcd.print(" 5");   break;
  case 0xFFC23D: Serial.println(" 6"); lcd.clear(); lcd.setCursor(1, 0); lcd.print("Button pressed"); lcd.setCursor(7, 1); lcd.print(" 6");   break;
  case 0xFFE01F: Serial.println(" 7"); lcd.clear(); lcd.setCursor(1, 0); lcd.print("Button pressed"); lcd.setCursor(7, 1); lcd.print(" 7");   break;
  case 0xFFA857: Serial.println(" 8"); lcd.clear(); lcd.setCursor(1, 0); lcd.print("Button pressed"); lcd.setCursor(7, 1); lcd.print(" 8");   break;
  case 0xFF906F: Serial.println(" 9"); lcd.clear(); lcd.setCursor(1, 0); lcd.print("Button pressed"); lcd.setCursor(7, 1); lcd.print(" 9");   break;
  case 0xFF6897: Serial.println(" *"); lcd.clear(); lcd.setCursor(1, 0); lcd.print("Button pressed"); lcd.setCursor(7, 1); lcd.print(" *");   break;
  case 0xFF9867: Serial.println(" 0"); lcd.clear(); lcd.setCursor(1, 0); lcd.print("Button pressed"); lcd.setCursor(7, 1); lcd.print(" 0");   break;
  case 0xFFB04F: Serial.println(" #"); lcd.clear(); lcd.setCursor(1, 0); lcd.print("Button pressed"); lcd.setCursor(7, 1); lcd.print(" #");   break;
  case 0xFF18E7: Serial.println(" UP"); lcd.clear(); lcd.setCursor(1, 0); lcd.print("Button pressed"); lcd.setCursor(6, 1); lcd.print(" Up");   break;
  case 0xFF10EF: Serial.println(" LEFT"); lcd.clear(); lcd.setCursor(1, 0); lcd.print("Button pressed"); lcd.setCursor(5, 1); lcd.print(" Left");   break;
  case 0xFF38C7: Serial.println(" -OK-"); lcd.clear(); lcd.setCursor(1, 0); lcd.print("Button pressed"); lcd.setCursor(6, 1); lcd.print(" Ok");   break;
  case 0xFF5AA5: Serial.println(" RIGHT"); lcd.clear(); lcd.setCursor(1, 0); lcd.print("Button pressed"); lcd.setCursor(4, 1); lcd.print(" Right");   break;
  case 0xFF4AB5: Serial.println(" DOWN"); lcd.clear(); lcd.setCursor(1, 0); lcd.print("Button pressed"); lcd.setCursor(5, 1); lcd.print(" Down");   break;
  //case 0xFFFFFFFF: Serial.println(" REPEAT"); lcd.clear(); lcd.setCursor(1, 0); lcd.print("Button pressed"); lcd.setCursor(2, 1); lcd.print(" Repeat");   break;

  default:
    Serial.println(results.value, HEX);
    Serial.println(" other button   ");
  }// End Case

  delay(500);


}