RE: [stella] Programming Contest?

Subject: RE: [stella] Programming Contest?
From: "Gonzalo Fernández" <horcas@xxxxxxxxxxxxxxxxxx>
Date: Sat, 27 Oct 2001 02:27:20 -0300 (ART)
> discs inside it which will generate a 4-bit sequence (quadrature output, 
> think it's called). By looking at the sequence, one can determine which 
> direction the device is turning. Looking at the schematic, only 2 of 
> pins are used to generate the sequence..

This guy made his own Indy controller using two little optical devices (how 
are they called?) that can generate the Gray code. It is a curious design.


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