AVR-Chat

At 08:05 PM 6/28/2004 +0000, Phil wrote:

>Some one did do just that.  check out this page - 
><http://www.portlandrobotics.org/robots/servo_encoder/index.html>
>
>but wouldn't an optical encoder simply tell you relative motion (not 
>absolute)?  

Depends on the encoder. Gray code or binary units give absolute, quadrature gives relative.

>How important is it to know the initial position?  You can command a 
>servo to a known position and go from there.  

Good point.