#include <IRremote.h>


#define IR_RECEIVER_PIN 12 // GPIO pin to which IR receiver OUT is connected

IRrecv irrecv(IR_RECEIVER_PIN);
decode_results results;

void setup() {
  Serial.begin(115200);
  irrecv.enableIRIn(); // Start the IR receiver
}

void loop() {
  if (irrecv.decode(&results)) {
    Serial.println(results.value, HEX);
    irrecv.resume(); // Receive the next value
  }
}