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[aprssig] RE: WRT54G - now simple embedded

Alex Carver kf4lvz at yahoo.com
Tue Nov 20 21:45:15 UTC 2007


> Message: 18
> Date: Tue, 20 Nov 2007 17:18:48 +0000
> From: "Bill Vodall WA7NWP" <wa7nwp at gmail.com>
> Subject: [aprssig] RE: WRT54G - now simple embedded
> computer
> To: "TAPR APRS Mailing List"
> <aprssig at lists.tapr.org>
> Message-ID:
> 
>
<5abd436b0711200918v609883a4m648bbbaf93944ea7 at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
> 
> I've been searching for months for a simple embedded
> system that
> simply has two real serial ports.    Effectively all
> I want is to
> connect a standard landline modem to a standard
> external TNC.  I just
> need the computer to handle the handshaking and
> issue a couple modem
> ATxyz strings.   After that it would simply pass the
> bytes back and
> forth.  Any suggestions?   The Basic stamps are
> close but I haven't
> found one with two serial ports.


Take a look at the Javelin stamps from Parallax.  You
can create serial ports on any pin and it will support
more than one.  You don't really need handshaking for
the modem or TNC but you can always just pass them
around the mini controller.


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