[chbot] Odometry

[Christopher Sawtell]

On Tuesday 31 October 2006 21:56, Carl Ranson wrote:
> I'd like to modify my base to correct for the slight differences in the
> motors and thought that odometry might be the way to do it.
>
> Anyone had experience with through hole type encoders (where the shaft
> goes through the encoder)?
Do you mean something like one of these?
http://en.wikipedia.org/wiki/Gray_code

Or were you thinking of something similar to the mechanism in an oldfashioned 
( ball ) mouse?

> What about the home made reflective ones?
Six of one - half dozen of other imho.

Anybody a PostScript wizz who could write the code to
make a printer produce the image for an encoding wheel? 

--
CS