4*4 Keypad interfacing AT89s52

Discussion in 'Embedded Systems and Microcontrollers' started by veerakumars, Mar 25, 2010.

  1. veerakumars

    Thread Starter New Member

    Sep 18, 2008
    6
    0
    Hai All
    I was working on induction motor speed control using AT89s52. I want the sample C coding for 4*4 keypad interfacing with subroutines for pressed keys. Please help me...
     
  2. Umer_Farooq

    Member

    Mar 6, 2010
    104
    3
    Here is a C sample code attach use this code for your requiremnt and edit this code for your rquirement
     
    • key.txt
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  3. veerakumars

    Thread Starter New Member

    Sep 18, 2008
    6
    0
    hai Farooq
    Thaks for u r reply
     
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