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Re: IR with Comfort
Sounds good.
I'm in no great hurry, so while this is on the horizon, I'll wait.
Let me know either way though, if it fails I'll have some boards without
feedback protection, rather than none at all!
Nick
----- Original Message -----
From: Ian B <ian.bird@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Monday, March 26, 2001 12:01 AM
Subject: RE: [ukha_d] IR with Comfort
> This is a bit of a long one so here is the condensed version.
>
> I separated the bus from the local receivers and linked then into the
local
> transmitter using logic gates. I made a couple of PCB's this weekend
for
> final testing and as soon as I get some time......... It worked on the
> breadboard although I don't know if it still controlled anything as I
was
> using a visible LED so I could see what was happening. I did this
pretty
> much all on my own although I will send details and pics to Nigel when
> everything is finished.
>
> The only down side is, assuming they work, they are designed for only
one
Tx
> per room. I can send you more info soon (when I know the test
results).
The
> extra components are 3 chips (AND, OR, NOT), two diodes, 1 resistor
and a
> tranny or thereabouts. Total cost of not very much. The boards however
> suddenly got all complicated.
>
> I think they can be added to the current transmitters assuming nothing
> drastic changes (like a daughter board). It will mean cutting a track
or
two
> and a little soldering but hey, not bad for an afterthought.
>
> Ian
>
> -----Original Message-----
> From: nick broughton [mailto:mail@xxxxxxx]
> Sent: 25 March 2001 08:53
> To: ukha_d@xxxxxxx
> Subject: Re: [ukha_d] IR with Comfort
>
>
> Ian
>
> How have you implemented the feedback protection? Did Nigel help with
the
> circuit? Is it radically different or just a 'few' extra components?
>
> Having finally sorted RF distribution I know need IR distribution. I
was
> about to order some boards from you but as you know, feedback
protection
is
> something I would like in this system.
>
> I'm keen to know more, keep us informed.
>
> Regards
>
> Nick
> ----- Original Message -----
> From: Ian B <I.Bird@xxxxxxx>
> To: <ukha_d@xxxxxxx>
> Sent: Friday, March 23, 2001 11:58 PM
> Subject: RE: [ukha_d] IR with Comfort
>
>
> > Ahhh, that will be me then.......
> >
> > There are a couple of flavours. The 'all in one' which has the
transmitter
> > and receiver all on one board and the 'normal' variety where the
> transmitter
> > is on one board and the receiver on another. These can be mixed
and
> matched
> > at will. They all run on 12 volts and use one bus wire to
communicate.
> I'll
> > dig out some pics and send them to you with more of an
explanation of
how
> > they work.
> >
> > I am hoping to test a design with some feedback protection built
in this
> > weekend but with kids nothing is certain. This will prevent
transmission
> in
> > a room being picked up by the receiver and then retransmission
happening -
> > instant loop. Having said this the IR LED's are quite directional
and
> > careful positioning of the Tx and Rx solves the problem as well.
> >
> > More later Clive
> >
> > Ian
> >
> > -----Original Message-----
> > From: Clive Dilley [mailto:clive@xxxxxxx]
> > Sent: 23 March 2001 15:42
> > To: 'ukha_d@xxxxxxx'
> > Subject: RE: [ukha_d] IR with Comfort
> >
> >
> > where do I get one from?
> >
> > On Friday, March 23, 2001 1:58 PM, Mark McCall
> > [SMTP:mark@xxxxxxx] wrote:
> > > A ready-made PCB to build Nigels circuit.
> > >
> > > M.
> > >
> > >
> > >
> > > >-----Original Message-----
> > > >From:
> > >
> >
>sentto-1109639-8251-985355870-mark=automatedhome.co.uk@xxxxxxx
> > > >om
> > >
> >
>[mailto:sentto-1109639-8251-985355870-mark=automatedhome.co.uk@xxxxxxx
> > > >nelist.com]On Behalf Of Clive Dilley
> > > >Sent: Friday, March 23, 2001 1:55 PM
> > > >To: 'ukha_d@xxxxxxx'
> > > >Subject: RE: [ukha_d] IR with Comfort
> > > >
> > > >
> > > >I must have missed something!!
> > > >
> > > >I know about Nigel's IR transmitters/receivers (when I
get some
> > > >.......), but what is Ian's PCB?
> > > >
> > > >On Thursday, March 22, 2001 5:20 PM, Graham Howe
> > > >[SMTP:graham@xxxxxxx] wrote:
> > > >> Why not just make you own IR
transmitters/receivers as per
> > > >Nigel's design
> > > >> using Ian's PCB's it really is almost too easy to
be true and
> > > >costs very
> > > >> little.
> > > >>
> > > >> Graham
> > > >> -----Original Message-----
> > > >> From: Gareth Cook/STA/Lotus [mailto:gcook@xxxxxxx]
> > > >> Sent: 22 March 2001 16:49
> > > >> To: ukha_d@xxxxxxx
> > > >> Subject: [ukha_d] IR with Comfort
> > > >>
> > > >>
> > > >>
> > > >> Hi All
> > > >>
> > > >> I'm having the new IR module (IRM01) installed
with my Comfort
> > > >system - it
> > > >> will sit in my A/V cabinet to control the VCR,
etc.
> > > >>
> > > >> So - is there any way to have a small module
wired up to
> > > >comfort to allow it
> > > >> to receive controls from a 2nd handset in the
bedroom, in
> > > >order to relay
> > > >> them to the a/v cabinet downstairs ? i don't know
of any
receivers
> > for
> > > >> comfort other than what is in my KP02 IR enabled
keypad.
> > > >>
> > > >> The reason I dont use a generic IR transmitter is
the VCR
> > > >upstairs is the
> > > >> same make as the one downstairs - both Tosh. So
if I were to
> > > >press the power
> > > >> switch for the one upstairs, a generic "send
it all" type
> > > >transitter would
> > > >> also send the power signal to the one
downstairs...(!)
> > > >>
> > > >> G.
> > > >> Gareth Cook
> > > >> Senior Engineering Specialist
> > > >> GeT IT Engineering,Networks,Security
> > > >> IBM SWG, Lotus Park, Staines, TW18 3AG Office:
+44 (0) 1784 445
16
> 6
> > > >> Mobile: +44 (0) 7980 445 166
> > > >> Fax: +44 (0) 1784 499 166 Work:
gcook@xxxxxxx
> > > >> Personal: g@xxxxxxx
> > > >> AOL AIM : theboyg
> > > >> Pager : gpage.csc1@xxxxxxx
> > > >>
> > > >>
> > > >> Yahoo! Groups Sponsor
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> > > >>
> > > >>
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