#include <IRremoteESP8266.h>
 
IRsend irsend(0); //an IR led is connected to GPIO pin 0
 
void setup()
{
  irsend.begin();
}
 
void loop() {
  for (int i = 0; i < 3; i++) {
    irsend.sendNEC(0xffb04f, 32);
    delay(20);
  }
  delay(3000); //5 second delay between each signal burst
}