Re: breakout board question

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "turbulatordude"
<davemucha@j...> wrote:

> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "ja_erickson"
> <ja_erickson@y...> wrote:
> > Evening,
> >
> > I have the need to construct a breakout board for my
> > parallel port and game port. are opto-couplers the best way
> > to go for isolating the ports , i've read elsewhere
> > that they are slow ? can anyone tell me what components
> > or ratings that i would need? i'm using geckos, so i
> > believe these units are already isolated.
> > i know there are suppliers already out there , but
> > i just dont have the bux
> >
> > thanks
> > jeff
>
>
>
> opto's for the inputs like home switches.
>
> Gecko's already supplied with them so redundancy is not a benefit.
>
> A simple darlington and some small relays and you are set. the

relay

> isolate the board from anything else.
>
> of, if you find cheap electronic relays that will work, that is a
> great find.
>
> Dave

Dave,

you wouldnt know of anyone thats got a shematic ? i'm
not well versed in assembling that kind of stuff
.........yet?

Jeff