Re: TI-H: Talk 85

Subject: Re: TI-H: Talk 85
From: Ben Shakal <shakal@ns.net>
Date: Tue, 6 Nov 1996 18:34:39 +0000
In-Reply-To: <TI-H: Talk 85>

> K &amp; M Temme wrote:
> > 
> > How does Talk 85 work?  Does it transfer on the red to white wires or
> > what?  I think an RF would be easiest to make if the talk 85 was used.
> > Then, the only problem would be to create the radio link with different
> > send/receive frequencies.  There would be no hassle with ZShell programs
> > or anything else.  Just a suggestion.
> > 
> > Also, has anyone started building an RF yet?
> > 
> >                                                         Karsten Temme
> Listen carefully....
> 
> According to what someone said, the TI sends and recieves on the same
> wire (the white one, I think). Why do we need two frequencies?  If you
> think the radio sending will interfere with the other calculator, tell
> me why sending direct doesn't do the same thing??


The calc uses both wires at all times.  It pulls one wire to signify a 
value of 1, and it pulls the other wire to signify a value of 0.  The 
other calc then pulls the unused wire of the two to signify that it 
received the signal.


shakal@ns.net

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