There's almost the right amount of advice from the cats and some Judge Rinder & Countdown later in the video.
The channel-changing script is at [You must be registered and logged in to see this link.] and more info on the Hitachi Pi is at [You must be registered and logged in to see this link.] .
My other Old Tech. New Spec projects are all on Instructables at [You must be registered and logged in to see this link.]
More information on my website at [You must be registered and logged in to see this link.]. and on Twitter