#include <IRremote.h>

const int IR_PIN = 0;  // GPIO pin connected to the IR receiver

IRrecv irrecv(IR_PIN);
decode_results results;

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

void loop() {
  if (irrecv.decode(&results)) {
    Serial.println(results.value, HEX);  // Print the received IR code in hexadecimal
    irrecv.resume();  // Receive the next value
  }
}