Re: Encoders - API??? (possibly of interest only to programmers)

Hi,

Or you can go to the US Digital website and purchase a 500 line
(2,000 counts per rev) quadrature modular encoder for $39 single
quantity.

Mariss

--- In CAD_CAM_EDM_DRO@y..., "Hugh Prescott" <hugh@r...> wrote:
> Unless I am missing something how about using a cheap rotary
encoder such as
> Grayholl, CTS, Panasonic make.
>
> Optical 32 cpr for $20.54 with a .250 shaft standard Quadature
output.
> Requires 5VDC
>
> DigiKey part num GH6102-ND Grayhill part 61C11-01-08-2
>
> Several manufactures are listed in the latest Digi-Key catalog or
visit
> www.didikey.com
>
> Hugh
>
>
>
> ----- Original Message -----
> From: Ray <rehenry@u...>
> To: <CAD_CAM_EDM_DRO@y...>
> Sent: Thursday, April 05, 2001 9:08 AM
> Subject: [CAD_CAM_EDM_DRO] Re: Re: Encoders - API??? (possibly of
interest
> only to programmers)
>
>
> >
> > From: Alan Marconett KM6VV <KM6VV@a...>
> > Subject: Re: Encoders - API??? (possibly of interest only to
programmers)
> >
> > Hi,
> >
> > <s>but if you are implementing a counter in the PIC, then the PIC
would
> > >have to know which direction too! I guess you could run a line
from the
> > >direction line going to each driver (step/dir).
> >
> > You could stack two pulse generators for each axis with outputs
offset for
> > quad but the hardware to do this may offset the cost advantage.
> >
> > Ray
> >
> >
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