Re: [amsat-bb] Gray code shaft encoder photo master

[Bdale Garbee <bdale@xxxxxxx>]

cbuttsch@slonet.org (Clifford Buttschardt) writes:

> Right Ross, we are all in one the "simple" positioner!  I have seen a
> photo master of the gray code shaft encoder about three inches in diameter
> SOMEWHERE in the last ten years.  It is just a matter of time before one
> of us finds it.  Then all we have to do is put three photo interrupters
> on the film along with some basic electronics.  Cliff K7RR

I did a quick Google search ("gray code shaft encoder").  Try this, it was
the first hit, and looks pretty cool.

        http://www.phesk.demon.co.uk/encoder/

73 - Bdale, KB0G
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