RE: WAS: Hullo out there? NOW: Ian's PCB's

["Ian B" <I.Bird@xxxxxxx>]

I understand Nigel is taking a holiday from this list because of ePod fever
and general lack of time.

-----Original Message-----
From: Matthew Norman [mailto:matt.norman@xxxxxxx]
Sent: 07 February 2001 14:58
To: ukha_d@xxxxxxx
Subject: Re: [ukha_d] WAS: Hullo out there? NOW: Ian's PCB's


Ah - someone else with a knowledge of IR.

Can I pose the same question to you?

Whats so special about infra red receiver modules (as sold by letsautomate)
That makes them so expensive?

Matthew

----- Original Message -----
From: "Ian B" <I.Bird@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Wednesday, February 07, 2001 2:10 PM
Subject: RE: [ukha_d] WAS: Hullo out there? NOW: Ian's PCB's


> Have a look at Nigels IR page for an idea of what it does. The link is
> http://www.geocities.com/nigelorr/ir_extend.html
>
> I have made some PCB's for this circuit which come in two flavours.
There
is
> a transmitter and receiver pair or an 'all in one' board. They can be
mixed
> and matched as they work on a one wire bus theory. At the moment the
only
> thing to be careful about is there is no feedback protection. This
means:-
> the Tx sends out a signal and the Rx in the same room picks it up, it
then
> sends it to the Tx and the process goes round and round. The IR
emitters
we
> are currently using are quite directional so careful positioning
solves
the
> problem. I hope to build in some protection but am having to learn
about
> electronics first.
>
> At the moment I am doing the boards for 3 pounds each (Tx and Rx pair
count
> as one board). Kits etc. are simply the cost of parts on top.
Pre-built -
> haven't thought about it but a little on top I guess to cover time
etc.
>
> I have sent a picture of the early prototypes to your hotmail account
since
> it is about 50k. The coin is a one pound. I don't have a picture of
the
'all
> in one' handy at the moment.
>
> Hope this helps and feel free to ask more questions.
>
> Ian
>
>
>
>
> -----Original Message-----
> From: Paul Gordon [mailto:paul_gordon@xxxxxxx]
> Sent: 07 February 2001 12:31
> To: ukha_d@xxxxxxx
> Subject: RE: [ukha_d] WAS: Hullo out there? NOW: Ian's PCB's
>
>
> Ian,
>
> >I can do you IR repeater PCB or Kits a la NIgels circuit on his
web site
if
> >you like
> >though.
> >
>
> What can you do again? - I may be interested in one now, as I spent a
good
> few hours last night grovelling around in soot, fibre-glass
insulation,
and
> old wasps-nests' mounting some flush speakers in my bathroom ceiling
to
form
> part of the eventual whole-house audio system.
>
> So now I will also need control from the bathroom, and I already have
a
PIR
> in the opposite corner to the bath, in an ideal place to mount an IR
> receiver. (This is the first stage, which I hope will get me WAF to
proceed
> with a full-on setup)
>
> So, what do/can you do? - fully assembled & ready to use would be
ny
> preference, but I can manage a bit of simple soldering if necessary.
> I'm sure you've probably stated all this before, so sorry for asking
> again....
>
> Cheers.
>
> Paul G.
>
>
>
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