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

#define PIN_RECEIVER 2   // Signal Pin of IR receiver

IRrecv receiver(PIN_RECEIVER);

LiquidCrystal lcd(12, 11, 10, 9, 8, 7);

void setup()
{
  lcd.begin(16, 2);
  lcd.print("<press a button>");
  receiver.enableIRIn(); // Start the receiver
  pinMode(5, OUTPUT);
  pinMode(4, OUTPUT);
}

void loop()
{
  // Checks received an IR signal
  if (receiver.decode()) {
    translateIR();
    receiver.resume();  // Receive the next value
  }
}

void lcdPrint(char* text)
{
  lcd.clear();
  lcd.setCursor(0, 1);
  lcd.print(text);
}

void translateIR()
{
  // Takes command based on IR code received
  switch (receiver.decodedIRData.command) {
    
    // 1
    case 48:
      digitalWrite(5, HIGH);
      delay(200);
      digitalWrite(5, LOW);
      delay(200);
      digitalWrite(5, HIGH);
      delay(200);
      digitalWrite(5, LOW);
      delay(200);
      digitalWrite(5, HIGH);
      delay(200);
      digitalWrite(5, LOW);
      delay(200);
      digitalWrite(5, HIGH);
      delay(200);
      digitalWrite(5, LOW);
      delay(200);
      digitalWrite(5, HIGH);
      delay(200);
      digitalWrite(5, LOW);
      delay(200);
      break;

    // 4
    case 16:
      lcdPrint("Hello World");
      break;

  
    // 6
    case 90:
      digitalWrite(4, HIGH);
      delay(2000);
      digitalWrite(4, LOW);
      break;

    
    default:
      lcd.clear();
  }
}