Re: [CAD_CAM_EDM_DRO] Hacking Optical Mice as position/distance encoders

> Just a dumb thought...anything keep them from being in any position in the circle as long as the 90 degree phasing is maintained?

> Hmmm,
>
> Point taken Jon although I still can't quite figure out how it si done -
> I'll be pulling another mouse to bits tomorrow for sure!! The ones I've been
> into so far have just the one sensor per encoder but it does have three
> wires. I had assumed that these were simply normal phototransistors but
> maybe not. However, even if they are not and are two photodiodes back to
> back, they surely can't give real quadrature as I thought that required the
> photosensors to be spaced by half a 'line-width'.
>
> Ian
> --
> Ian W. Wright
> Sheffield UK