IRReceiverSender.ino

#define IR_SEND_PIN 27
#include <IRremote.h>

int RECV_PIN = 14;
IRrecv irrecv(RECV_PIN);  
IRsend irsend;

int lastAddress = 1;
int lastCommand = 1;

void setup() {     
  Serial.begin(9600);     

  irrecv.enableIRIn();
  pinMode(RECV_PIN, INPUT_PULLUP);
}

void loop() {
  irsend.sendNEC(lastAddress, lastCommand, 1, false);
  delay(1000);
  
  irrecv.enableIRIn();
  pinMode(RECV_PIN, INPUT_PULLUP);
  delay(500);

  if (irrecv.decode() && irrecv.decodedIRData.address != 0) {
   lastAddress = irrecv.decodedIRData.address;
   lastCommand = irrecv.decodedIRData.command;
   irrecv.resume();
   Serial.println("Received");   
  }


  irrecv.disableIRIn();
  delay(500);
  Serial.println(lastAddress);
  Serial.println(lastCommand);
  Serial.println();
  
}