Great HTPC Idea. AmazonOLD has this FLIRC USB Dongle for Media Players Sale Priced at $14.95. Free Shipping for Prime members or on orders of $35+. 4.3 of 5 stars from 200+ reviewers.

What is it? Flirc learns from any remote control, not caring about different vendor protocols. Just walk through the super simple setup - pairing individual remote buttons with 'Media Centre Buttons' and you're done. Works on anything with a USB port; Amazon FireTV, Raspberry Pi, XBOX, Playstation, PC's, NUC's...you name it.