接收紅外線操控LED

/*

 * IRremote: IRrecvDemo - demonstrates receiving IR codes with IRrecv

 * An IR detector/demodulator must be connected to the input RECV_PIN.

 * Version 0.1 July, 2009

 * Copyright 2009 Ken Shirriff

 * http://arcfn.com

 */

#include <IRremote.h>

int RECV_PIN = 11;

IRrecv irrecv(RECV_PIN);

decode_results results;

void setup()

{

  Serial.begin(9600);

  // In case the interrupt driver crashes on setup, give a clue

  // to the user what's going on.

  Serial.println("Enabling IRin");

  irrecv.enableIRIn(); // Start the receiver

  Serial.println("Enabled IRin");

}

void loop() {

  if (irrecv.decode(&results)) {

    Serial.println(results.value, HEX);

    irrecv.resume(); // Receive the next value

  }

  delay(100);

}