// Include IR Remote Library by Ken Shirriff
#include <IRremote.h>

#define RECV_PIN 4    // Define sensor pin
 
// Define IR Receiver and Results Objects
IRrecv irrecv(RECV_PIN);
decode_results results;
 
void setup(){
  // Serial Monitor @ 9600 baud
  Serial.begin(9600);
  // Enable the IR Receiver
  irrecv.enableIRIn();
}
 
void loop(){
  if (irrecv.decode(&results)){
    // Print Code in HEX
        Serial.println(results.value, HEX);
        irrecv.resume();
  }
}