Re: TI-H: Stuff For IR Link


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Re: TI-H: Stuff For IR Link




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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