Re: OptoSwitch?

Why not just get a set of the devices used to keep garage doors from closing
on someone. They do just what you want and will work.

Dan

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Dan Hollands
1120 S Creek Dr
Webster NY 14580
585-872-2606
QuickScore@xxxxxxxxxxxxx
www.QuickScoreRace.com


<ggold6@xxxxxxxxx> wrote in message
news:1121129783.671050.210590@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> Hi All,
>
> This is for a simple home project i'm cooking up.
> I need an optical component that signals high (or low..) as a beam it
> emits is interrupted (basically, what the had in the old elevators to
> open the door if somebody interrupted while it was closing). I'de
> rather have a retroreflector on one side to keep all the wires together
> so a trasmitter and receiver should be incorporated in one component
> controlled by a microcontroller. The distance beteeen component and
> retroreflector should be ~50cm-1m.
>
> A cheap solution would be nice..
>
> Thanks,
> gilad.
>


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