Re: Re: Calling all IR experts...

["RobertCrawshaw" <robert@xxxxxxx>]

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Robert Crawshaw                 http://www.golcarbob.com

The internet has had no effect on my life wwwhatsoever.com

I am Dyslexia of Borg            Your ass will be laminated

----- Original Message -----
From: "psghome2002" <psghome@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Monday, March 11, 2002 10:39 PM
Subject: [ukha_d] Re: Calling all IR experts...


> It's a long time since I used a scope - my first job way back when I
> worked for an electronics company. Quite fancy having a play -
> anyone know of a cheap scope source?
>
> Paul.
>
> --- In ukha_d@y..., "Ian B" <Ian@M...> wrote:
> > >1) How likely is it that the IR signals the Kustom units use
are
> > >compatible with the signals produced by HV / Comfort? i.e. is
> there
> > >a standard for passing IR signals?
> >
> > There are several e.g. pwm, rc5, space modulated to name a few.
> Most
> > controllers can learn most of these. IR data is sometimes moved
> between A
> > and B using a protocol and then decoded prior to transmission.
> Look for
> > unidentified boxes with chips in at the end. If there is only an
> IR LED then
> > it is raw data.
> >
> > >2) If they are, could I splice into the IR data line, a
connection
> > >from HomeVision or Comfort (thereby allowing IR to pass from
the
> > >controller to amp as designed but also to 'inject' a signal
at the
> > >amp)? - Did that make sense?
> >
> > It makes sense but I have no idea.
> >
> > >3) What testing should I do to make sure I don't shag
anything up
> > >before trying this!?
> >
> > The best thing is to gat a scope on the matter. There is no
'real'
> standard
> > I know of for transmission (i.e. voltages etc.) and it all
depends
> on the
> > manufacturer.
> >
> > Good luck
> >
> > Ian
>
>
>
> For more information: http://www.automatedhome.co.uk
> Post message: ukha_d@xxxxxxx
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>
>


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