[MLB-WIRELESS] Electrical guinesses step forward !

[David]

Dick Smiths had a book "Controlling the World with your PC"
The book had circuits for input & output controls with Source code for
Basic, Pascal & C.


          Thank you
          David
          VK3JDA
          Webmaster M&DRC
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          Melbourne ATV Users Group
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----- Original Message -----
From: "David Ng" <nudge at d2.net.au>
To: <melbwireless at wireless.org.au>
Sent: Wednesday, June 12, 2002 11:24 AM
Subject: Re: [MLB-WIRELESS] Electrical guinesses step forward !


> Building a IR reciever for your computer isnt to hard to do.
> I've built one using parts sourced from a local Dick Smith.
>
> Part listings and prices are below:
> R1090 Resistor 4k7 $0.04
> Z1955 Sensor IR buffered Rcvr w/ Lens $6.50
> Z6108 LM 78L05CZ +5V 100mA V/Reg $1.00
> Z3120 Diode 1N4148 Small Signal $0.06
> P2686 9-Pin Sub-D Plasitc Backshell $2.20
> P2685 9-Pin Sub-D Solder Tail Socket $1.35
> R4295 Cap Electro RB 1.0 uF 50WV $0.20
>
> Follow the schematic shown here:
> http://www.lirc.org/receivers.html
> http://www.lirc.org/images/schematics.gif
>
> ...and the assembly instructions here (but by using the above components
and
> schematic):
>
http://www.heatseekerz.net/index.php?page=articles&articleid=4&page_number=1
>
> And you should be right!
> Its handy because the entire IR reciever fits snugly into a 9-pin serial
> port connector!
>
> For windows, you'll need the two following programs to drive the IR
reciever
> and to control windows:
> http://winlirc.sourceforge.net/ (WinLIRC)
> http://www.girder.nl/ (Girder)
>
> For linux, you can just use:
> http://www.lirc.org/ (LIRC)
>
>
> I should also mention that I have heard that it is possible to build an IR
> reciever by using the Line-In input on your soundcard.
> Instructions are here:
> http://forums.overclockers.com.au/showthread.php?s=&threadid=60426
> I havent tried it myself, but looks rather simple!
>
>
> Hope this helps,
> nudge.
>
> ----- Original Message -----
> From: "Tony Langdon" <tlangdon at atctraining.com.au>
> To: "'Brian Slater'" <b_slater at hotmail.com>;
<melbwireless at wireless.org.au>
> Sent: Wednesday, June 12, 2002 10:36 AM
> Subject: RE: [MLB-WIRELESS] Electrical guinesses step forward !
>
>
> > > > To make a power switch controlled by a PC, and to then make
> > > an Infrared
> > > > input for the switch. - so i can use a remote to turn on
> > > and off, say ...
> > > > the kettle (cant think of much better things, than watchin
> > > TV and starting
> > > > the kettle with out getting up ;)
> >
> > Shouldn't be too hard...  The Coffee HowTo has some sketchy ideas.  For
on
> > off applications, one can use one bit the printer port to drive an opto
> > isolator/triac or relay combination (don't forget the isolation!!!!!!).
> If
> > you want non simultaneous control of up to 256 devices, you could decode
> the
> > 8 pins of the printer port.  An alternative approach is a serial
> controlled
> > PIC based system, which could operate completely standalone if you
wanted
> > to.  As an aside, I could do such control over a wider range with the
IRLP
> > box...  "Press hash to boil the kettle..." :-)
> >
> > > >
> > > > If it could also repeat the Infrared signal as well ? (eg.
> > > sender) it
> > > could
> > > > turn on the Stereo in another room ;-)
> >
> > This one is better handled outside the PC.  There have been kits for
> "infra
> > red repeaters" over the years.
> >
> > ---
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