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

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

Everything runs from 12 volts and construction is pretty simple.
Orientation
of tranistors etc. is not an issue and my instructions are getting better.
You should not have any problems. I can even include a high res picture for
you now.

I can label the resistors etc. if you like.

Ian

-----Original Message-----
From: Paul Gordon [mailto:paul_gordon@xxxxxxx]
Sent: 07 February 2001 14:39
To: ukha_d@xxxxxxx
Subject: RE: [ukha_d] WAS: Hullo out there? NOW: Ian's PCB's


Thanks Ian,

Yeah, I followed the thread originally last time it was running
(November-ish ISTR), so I'm familiar with the device and its functionality,
but as I didn't think I wanted one at the time, I didn't pay >too<
much
attention to it.

I'm sure I could manage a kit of parts and solder it all together myself,
Just a little concerned about component identification though, as I
definately recall several posts from people who'd got the transistors the
wrong way round and so on... (I seem to recall a lot of helpfull posts from
Nigel at the time, helping people to troubleshoot their circuits). - I tend
to lose patience pretty quickly if things dont work straight away...

Just >exactly< how simple is it to put together - I can solder OK,
but I'm
not sure I could tell the Anode from the Cathode on a diode, or the base
from the emitter on a transistor, nor can I read the resistor colour-code
from memory, and so on....

For me to have any chance if it all working 1st time I put it together, it
would need to have some pretty mickey-mouse instructions (like numbered
components, a-la "painting by numbers" style), and orientation
instructions
to avoid the abovementioned transistor cock-ups.

Also, what about power supply for them? - 12V? 5V? - anything in-between?
(I
have 12V availablie in the PIR, perhaps I could use that?)

Thanks

Paul G.

>
>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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