> So would this mean that in the light pen wand thingy that there
> is some sort of tilt mechanism there that synchronizes the lights
> with the speed it is waving back and forth?

I have a design (Silicon Chip a couple or three years ago) with a
mercury switch for doing just that

--
http://www.piclist.com hint: The PICList is archived three different
ways.  See http://www.piclist.com/#archives for details.