uh we'll get to all my personal preferences in just a second.
So then there's this other matter of the chips and um well we could use a simple design on the board ,
uh these simple chips , but that's only works for the bu you don't get very much um intelligence with this simple one. And um then there was the regular which  I regret that I've forgotten exactly why I'm eliminating that one. Uh the other option was this advanced chip on print ,  and uh we liked th we we found that it it includes this infrared sender ,
which w 'member the beam was  that was an important component of finding the right chip.