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Problems with a serial devi

Discussion in 'Electronic Basics' started by Dani Rodríguez, Sep 9, 2004.

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  1. Hi all,
    I have a device that works linked to the serial port of a PC. Throw this
    serial port some commands are sent to return some information. I am trying
    to do a circuit that allows me, after of send a command throw the serial
    port, desconect the device from the PC maintening the suply by a baterry,
    and store autonomly ina temporal memory all sent by the device for, later,
    plug it to the PC and download the info stored in this temporal memory.
    I do not know if I have explained myself correctly but I have been trying to
    do this assembly for a long time and I have test some things that do not
    respond correctly. If someone have done something similar or knows where
    could I find this info or someone that could give me it, I will thank a lot
    any help.

    Thank you in advance
  2. Jamie

    Jamie Guest

    yes, you explained your self.
    look into Atmel, AVR, and PIC
    embedded mircroporcessors.
    they come in many different packages
    in single chips.
    you get your self a starter kit and
    write the actual code using your PC then
    a programmer that is connected to your
    serial or parallel port to place the program
    code in the chip.
    from there on the chip can boot on and operate
    using the Legs of the chip as you assigned them
    in your programming code as inputs/ouputs, ADC
    DAC etc.., and most of them are low enough power
    to run on a battery for a while.
    you can get them with Flash memory etc....
    look at places like
    you need a starter kit!
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