Re: TI-H: Stuff For IR Link

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Re: TI-H: Stuff For IR Link


Whoops.  Suggestion withdrawn. :P  Could still be done, but a royal pain in
the ass.

--nick



Nick Foster / Bistromath / zaphod@coe.neu.edu
KeyID 2048/1024 0x663CB446
6CAF FFD4 F9BA 64BA ECF9  032E 7402 3886 663C B446


----- Original Message -----
From: Grant Stockly <gussie@stockly.com>
To: <ti-hardware@lists.ticalc.org>
Sent: Thursday, September 16, 1999 1:39 AM
Subject: Re: TI-H: Stuff For IR Link


>
> The problem is that your idea won't work with the TI protocol.
>
> You'd need two encoders and two decoders.  To make it operate easily
> without too much work, you'd also need 4 different IR transmitter/receiver
> sets (with different bandwidths).
>
> Grant
>
>
> >no need for a pic or a pc board.  a couple of transistors, maybe an
op-amp
> >set up as a Schmitt trigger would do the trick just fine. you'd want to
put
> >it through an ir decoder like the one radio shack sells (part no.
276-137).
> >The encoder half requires a 556 dual timer.  It should take you about
four
> >hours to design & build on a couple breadboards, and can probably be
powered
> >by the calc's own power supply.
> >
> >--nick
> >
> >Nick Foster / Bistromath / zaphod@coe.neu.edu
> >KeyID 2048/1024 0x663CB446
> >6CAF FFD4 F9BA 64BA ECF9  032E 7402 3886 663C B446
> >
> >
> >----- Original Message -----
> >From: Rob Smith <kormoc@netzero.net>
> >To: <ti-hardware@lists.ticalc.org>
> >Sent: Wednesday, September 15, 1999 3:31 AM
> >Subject: TI-H: Stuff For IR Link
> >
> >
> >>
> >> any1 know where i can get the stuff to make a ir link. i need a
> >> preprogramed chip and a burned board, so if any1 knows where i can get
> >some
> >> of this, please tell me.
> >>
> >> thanks
> >> Thanks,
> >> -Rob Smith
> >> ---
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