Re: TI-H: Stuff For IR Link
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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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