RE: [CAD_CAM_EDM_DRO] Re: Optical mouse for DRO anyone? - not for WIRE!

> At 12:58 AM 4/25/2007, you wrote:
> >1) Newer mice are USB, so hard to interface (you need an expensive
> >PC). If you must, then track down a serial port optical mouse, it's
> >the eaiest to hook up. You may be able to figure out PS2,
> the poster
> >thinks it's simple because he found the specs. I can point
> him to the USB specs...
>
> Um, is
> http://www.dfsdirectsales.com/dell/desktop/ctl641/cp19257/si24
> 61995/cl1
> for $199.00 really that expensive?

Yeah, it is.

See www.picaxe.com. Then see www.mouser.com for the raw PIC chips.

Don't forget to add in running costs.

I also forgot to mention it's entirely possible that mice are crap at
measuring distance anyway (they're designed to detect movement & direction).

Tony