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Serial Interface for LCD

Discussion in 'Misc Electronics' started by CWatters, Oct 8, 2003.

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  1. CWatters

    CWatters Guest

    I know that many multi row LCD displays use the HD 4780 controller and that
    there several interface boards available convert RS232 to HD4780 but... What
    about simple single row displays? Is there a "standard" way to drive a
    single row of eight 7 segment digits from a serial port? (Eg for outdoor
    signs).

    I could easily design my own interface but would like the option of being
    able to buy a bigger commercial unit later if such a standard exists.
     
  2. --------------------------------
    Sure, easy, look at this:

    http://ourworld.compuserve.com/homepages/Bill_Bowden/page3.htm#32bit_receiver

    Just latch and pipe that to your displays.

    -Steve
     
  3. CWatters

    CWatters Guest

    Hi Steve,

    Thanks for the reply but what I was really trying to find out is..

    Is there a standard for the serial interface protocol?

    eg

    <ESC> <Digit 1> <Digit 2>......etc

    Looking round it would seem each manufacturer has their own protocol.
     
  4. CWatters

    CWatters Guest

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