#include <IRremote.h>
const byte IR_RECEIVE_PIN = 2;
void setup() {
  Serial.begin(9600);
  IrReceiver.begin(IR_RECEIVE_PIN, ENABLE_LED_FEEDBACK);
}

void loop() {
  if(IrReceiver.decode()){
    String ir_code = String(IrReceiver.decodedIRData.command, HEX);
    Serial.print("IR : ");
    Serial.println(ir_code);
    delay(500);
    IrReceiver.resume();
  }
}