NodeMCU IR

IRGCSendTest.ino

/*
 * IRremoteESP8266: IRsendGCDemo - demonstrates sending Global Cache-formatted IR codes with IRsend
 * An IR LED must be connected to ESP8266 pin 0.
 * Version 0.1 30 March, 2016
 * Based on Ken Shirriff's IrsendDemo Version 0.1 July, 2009, Copyright 2009 Ken Shirriff, http://arcfn.com
 */

#include <IRremoteESP8266.h>

IRsend irsend(4); //an IR emitter led is connected to GPIO pin 4

void setup()
{
  irsend.begin();
  Serial.begin(115200);
}

void loop() {
  Serial.println("Toggling power");
  irsend.sendNEC(0x124815A2, 32);
  delay(10000);
}

IRrecvTest.ino

/*
 * IRremoteESP8266: IRrecvDemo - demonstrates receiving IR codes with IRrecv
 * An IR detector/demodulator must be connected to the input RECV_PIN.
 * Version 0.1 Sept, 2015
 * Based on Ken Shirriff's IrsendDemo Version 0.1 July, 2009, Copyright 2009 Ken Shirriff, http://arcfn.com
 */

#include <IRremoteESP8266.h>

int RECV_PIN = 2; //an IR detector/demodulatord is connected to GPIO pin 2

IRrecv irrecv(RECV_PIN);

decode_results results;

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

void loop() {
  if (irrecv.decode(&results)) {
    Serial.println(results.value, HEX);
    irrecv.resume(); // Receive the next value
  }
  delay(100);
}