Re: Re: Hmevision ir transmitter

["Frank Mc Alinden" <armagh@xxxxxxx>]

Andy
        Why do you need 8 emitters on
each zone?. I would have thought maybe
2 emitters per zone would be enough?. When you say you are just starting
out
i assume you mean dabbling in electronics if so have a look at these
sites.
http://www.rentron.com/index.html   
and this one
http://www.poptronics.com/interactive/index.html
Frank Mc
----- Original Message -----
From: "andy_powell_is" <ukha@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Thursday, May 30, 2002 5:59 PM
Subject: [ukha_d] Re: Hmevision ir transmitter


> Frank,
>
> I've only really just started out, and am trying to work out what
I
> need to do. I would, however,
> be very interested in anything you could 'throw' my way.. as you
are
> probably aware this is quite a learning curve. I've scoured the
web
> in search of all sorts of info but not come up with very much.
You'd
> have to bear in mind that I'm just learning at the moment.
>
> I noticed that you said you were using 3 port pins, which sounds
> better than using 8...
>
> Essentially I'm looking at providing an  8 zone with 8 emitters
in
> each zone, plus an indicator (as you say) for status indication.
Also
> when I say emitters, actually I'm talking about 3.5mm Jacks
because
> what I've actually started to do is internally mount an IR emitter
in
> a piece of equipment (eg DDAR/RIO)  which goes to a jack socket
on
> the back of the equipment's case. Then it would be just a simple
case
> of using a mono to mono lead to connect the Homevision IR box to
the
> equipment... all that really does is hide the ugly stick on
emitters
> and cable, just looks a little nicer IMHO.
>
> Thanks for the reply,
>
> Andy
>
>
>
>
>
> --- In ukha_d@y..., "Frank Mc Alinden" <armagh@b...>
wrote:
> > Hi Andy
>
>            
Did you have any luck with the 8 zone ir tx circuit. I
> emailed a schematic for an  8 channel ir circuit to Ian Bird. It
was
> similar to a home brew unit i made except for the opto isolation
> (like Ians relay board concept) . I believe it would do what you
> require although would have to be tested. It uses only 3 port pins
of
> HomeVision. If you are interested i could probably do something on
it
> on the weekend. I believe you require leds which i assume are for
tx
> status indication?.Anyway if interested let me know.
> > Frank Mc
>
>
>
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