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  1. Replies
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    Re: Interfacing a microcontroller to a cell phone

    I'm doing the PIC to NOKIA SMS project too!
    using the f-bus, my fone is a 2310.
    I can send a software version request to the fone and get a response, the fone acknowledges my request then sends me...
  2. Replies
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    64,136

    Re: Interfacing a microcontroller to a cell phone

    you might need a level convertor chip, the PC's RS port works with signal levels between +12V and -12V, some laptops use +8V to -8V. your phone works with 0V to 5V. the timing etc is all the same,...
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