#include <ArduinoJson.h>
#include <IRremote.h> 

#define RECEIVER_PIN 5
IRrecv receiver(RECEIVER_PIN);
decode_results results;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  receiver.enableIRIn();
}

void loop() {
  // put your main code here, to run repeatedly:
  if(receiver.decode(&results))
  {
    Serial.println(results.value, HEX);
    receiver.resume();
  }
}