Re: mouse encoder?

Hi Tony,

Nice work! Are you going to sell these? I'm curious about the sensor
you used, and the circuitry, a PIC? Perhaps you'd share them with us
(if you're not planing to sell them!)?

Alan KM6VV


Tony Jeffree wrote:

>
> At 04:17 21/08/2001 +0000, you wrote:
> >Having just taken four meeces apart, and finding one that had
> >50 segments, I got to thinking about how to make or find a better resolution
> >disc for them.
> >
> >Are the discs something one could purchase separately?
>
> Nothing to stop you from making your own discs if you have a suitably small
> end mill. I made a 60-slot disc for RPM measurement using a 1/6" end mill &
> the 3" diam platter from a defunct hard drive - worked a treat. You can
> see some photos of that plus my PIC-based RPM meter at:
>
> http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/Tony%27s%20files/RPM/
>
> Of course, the disc I am using is rather larger than the ones in the
> mouse... I'm thinking of using it to build a larger navigation device for
> Windoze - probably call it the "elephant"...;-)
>
> Regards,
> Tony
>
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