Setup

I use a Logitech Harmony 885 to control the device. There's a configured "Pearl Lamp Works IRC160N-1" -- whatever that device might be :-) -- to which the IRlicht responds.

Links

How to make an Arduino remote control: http://www.build-electronic-circuits.com/arduino-remote-control/
Arduino infrared library: https://github.com/shirriff/Arduino-IRremote
Description of the library: http://www.righto.com/2009/08/multi-protocol-infrared-remote-library.html