3x4 keypad and lcd interfacing with 8051

Discussion in 'Homework Help' started by HAFIZ IMRAN, Nov 23, 2012.

  1. HAFIZ IMRAN

    Thread Starter New Member

    Nov 1, 2011
    2
    0
    hi, i want to interface 3x4 keypad and 16x2 lcd with 8051. i want to get input from keypad and then take decisions accordingly, please give keil uvision3 based code and proteus 6.9 based circuit simulation

    1) it will show "toll plaza"
    and wait for 2 seconds approx
    2) it will ask "1 for two wheeler "
    "2 for four wheeler"
    3)on pressing 1 or 2 it will ask "enter your i.d"
    4) if entered i.d matches with the saved i.d then it will show "you paid $5/$3" depending on vehicle size.
    5) after that it should say "thanks"
    "your balance is xxxx"
     
  2. bertus

    Administrator

    Apr 5, 2008
    15,648
    2,348
    Hello,

    We are NOT going to do your projects.
    Show us what you have done upto now.

    Bertus
     
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