is it possible to use keypad without controller

Discussion in 'The Projects Forum' started by dark dragon, Dec 12, 2008.

  1. dark dragon

    Thread Starter Member

    Dec 11, 2008
    13
    0
    tell me can i interface keypad not for any controller or the processor and giving directly to a combinational logic circuit
    then what to do with baud rate and the clock of the keypad

    how to give more than one i/p then

    where i can get some example circuits for that.............
     
  2. beenthere

    Retired Moderator

    Apr 20, 2004
    15,815
    282
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