#define LED 2
#define PIN_RECEIVER 15

#include <IRremote.h>

//定义红外接收器的引脚
IRrecv receiver(PIN_RECEIVER);

void setup() {
  receiver.enableIRIn(); // Start the receiver
  Serial.begin(115200); // Any baud rate should work
  Serial.println("Hello Arduino\n");
  pinMode(LED, OUTPUT);
}

void loop() {
    delay(100);

  // Checks received an IR signal
  if (receiver.decode()) {
    translateIR();
    receiver.resume();  // Receive the next value

    digitalWrite(LED, HIGH);
    digitalWrite(LED, LOW);
  }
}

void translateIR()
{
  // Takes command based on IR code received
  Serial.println(receiver.decodedIRData.decodedRawData, HEX);
}