> Hi,
>
> For my next project, I would like to send/recieve SMSes through a
> Nokia 3310 or 5110/6110.
> I have found some excellent sites and it looks quite easy.
> What I need now is a phone ($30) and a cable.
>
> Problem: All the designs I have seen on a cable is either a
> bought cable ($$ and several feet long) or one built with an F84
> and some RS-232 interface chip to make communication with a PC
> serial directly possible. This seems both expensive (well, not
> really) but above all unnessecary, with a high count of component
> to first make the Nokia talk RS232, and then to make the AVR talk
> RS232. Can't I just skip the double conversion there? :)
>
> 1. Would it be hard to make a C program (GCC) to talk to the
> Nokia directly?
>
> 2. Would it be possible to hardwire the pins of the AVR/PIC to
> the pins on the Nokia? The Nokia is 3,3 volts, but if I run a
> capable AVR on the same 3,3v feed? Of course, the logic levels
> are 0-0,8 and 2-2,8.. Hmm..
>
> 3. Recommendations? (Buy a cable you cheap fool !? :)
>
> Thanks in advance,

        I always thought interfacing to these phones were "hard" since they don't
emulate an AT compatible modem? That's why you have to use a software driver
on a PC. Have the details to do it been "figured out"?

        I only ask since I'd love to interface a PIC to a 5190, I even have the
cable, but always though it wasn't easy due to the proprietary nature of the
interface? Thanks, TTYL

----------------------------------
Herbert's PIC Stuff:
http://repatch.dyndns.org:8383/pic_stuff/

--
http://www.piclist.com hint: To leave the PICList
mailto:piclist-unsubscribe-request@mitvma.mit.edu