Create Moving Sign with AT89S51

Discussion in 'Embedded Systems and Microcontrollers' started by sutaya, Mar 16, 2009.

  1. sutaya

    Thread Starter New Member

    Mar 11, 2009
    2
    0
    hi all
    i am newbie with microcontroller.
    i want to make a moving sign project using AT89S51, but i have problem about I/O on the micro. i need many I/O to support my project.
    Help me to expand I/O on micro,:confused: please!!


    thaks
    Sutaya
     
  2. beenthere

    Retired Moderator

    Apr 20, 2004
    15,815
    282
    I would suggest that you need a complete design for the sign. Once you have that, controlling the display becomes possible. A program can't do anything by itself.
     
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