Re: Hmevision ir transmitter

["andy_powell_is" <ukha@xxxxxxx>]

Frank,

--- In ukha_d@y..., "Frank Mc Alinden" <armagh@b...>
wrote:

>         Why do you need 8
emitters on each zone?. I would have 
thought maybe
> 2 emitters per zone would be enough?. 

because the emitters are effectively /inside/ the target device, so 
that for example 2 identical CD players (for different zones) can be 
independantly controlled without the worry that ir from one zone 
would leak and control both players... so up to 8 bits of kit per 
zone .. 

>When you say you are just starting out
> i assume you mean dabbling in electronics if so have a look at 
these sites.

Yes, that's it.. i've messed about a little, but this is the 
first 'from the groud up' project...

> http://www.rentron.com/index.html   
and this one
> http://www.poptronics.com/interactive/index.html

Thanks for the links... :D

Andy


> ----- Original Message -----
> From: "andy_powell_is" <ukha@b...>
> To: <ukha_d@y...>
> 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




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