The code which I've attached is the same you could download from Ken Shirriff's blog
, meanwhile the pcb is designed to fit into the little box by Muji. Yes, another Muji box, and no, at Muji they don't pay me to find alternative uses for their boxes
, however not yet ;-)
My TVBGone uses only a little IR LED, so it shouldn't be much powerful, anyway it's enough to turn off the unwanted tv with ads which had born as mushrooms anywhere in any station here in Milan, the difference is that mushrooms are very quiet...