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Josh Koffman wrote:

> What kind of lights do you have in the room your are working in? I was
> once working on an IR project, and had difficulty because of a small
> switching power supply driving my halogen light. It ran at 20KHz which
> gave me some false triggers. IIRC flourescents can do similar things.

Not for room - it looks on street - it need to open gate...
maybe those biiiiiig Hg. bulbs made a problem???
How to fix that?
THANKS!

>
>
> Josh
>
> --
> A common mistake that people make when trying to design something
> completely foolproof is to underestimate the ingenuity of complete
> fools.
>         -Douglas Adams
>
> "Milan Pavlica (YU7AEC)" wrote:
> >
> > Hi PICListers!
> > I have next problem:
> > On 16f84 RB1 i have connected SFH506 IR senzor.
> > On RBx i have relay which need to hold for a few sec when PIC get from
> > SFH coded word - something like "1010101".
> > Each bit is 40uS long.
> > Everythin work perfect.
> > BUT:
> > Sometimes i get uncontroled starting of relay.
> > I disabled WDT, timer, and all those stuffs inside PIC.
> > What could product that state of uncontrolled starting of relay??
> > Could be problem with some other light - SFH is only at datlight and i
> > start it when i send coded word from TV remote.
> > Is there maybe some RF problem???
> > How i can reduce false ignition???
> > THANKS A LOT!
>
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