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Hi,

My colleague has worked on something similar  - I've forwarded your request
to him.

Regards,
Dan



 (Embedded     Peter May <manager@SALE-NET.COM.AU>@MITVMA.MIT.EDU>
 image moved   30/10/2001 07:32
 to file:
 pic23387.pcx)





Please respond to pic microcontroller discussion list
      <PICLIST@MITVMA.MIT.EDU>
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To:   PICLIST@MITVMA.MIT.EDU
cc:
Subject:  [OT]: A cable for SMS phones etc

Security Level:?         Internal


I have been reading this list and surfing the web for some info on
controlling a GSM phone from a pic. So far I have managed to find various
links etc on various cables. I have even went and bought a commersial cable
that seems to work with my phone with various bits of software but I am
unable to get it to work with a terminal package. the reason for the
terminal package is if I can do this with AT commands I should be able to
get it to do it using a serial port on a PIC with basically the same
commands. I realise there is another format of talking to the phone but my
research (and I would love to be corrected on this) has shown that you can
apparently use simple AT commands.

For the record I am using a Nokia 5110 as my test phone

Hence:

I have found a couple of sites with home made data cables etc and have
intentions of building one using a MAx3232 chip. I was wondering if some of
you would like to provide a link with a build it yourself data-cable type
web page that you have used to build a succesful design....

And I am confused as to the format of communications to the phone. Is it 7
or 8 bit at 9600 or what?

I would love to hear from anyone (on or off the list) about any of the
above
of if you can offer any further links or info.

Warmest regards, Peter

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