#include <IRremote.h>

int RECV_PIN = 11; // define input pin on Arduino
IRrecv irrecv(RECV_PIN);
decode_results results; // decode_results class is defined in IRremote.h

void setup() {
  Serial.begin(9600);   // Start the serial communication
  irrecv.enableIRIn();  // Start the receiver
}

void loop() {
  if (irrecv.decode(&results)) {
    Serial.println(results.value, HEX); // Print the received value in hexadecimal
    irrecv.resume(); // Receive the next value
  }
  delay(100); // small delay to prevent reading errors
}