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You are here: Home / Topics / progam to interface 4×4 matrix keypad using m74c922

progam to interface 4×4 matrix keypad using m74c922

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Microcontroller › PIC › progam to interface 4×4 matrix keypad using m74c922

  • This topic has 0 replies, 1 voice, and was last updated 13 years, 6 months ago by khulekani.
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  • November 16, 2011 at 9:09 am #1403
    khulekani
    Participant

    hey guys!

     

    i need help with my project, i need to interface a 4×4 keypad using a keypad encoder(MM74C922N) to a pic 16F873A,

     

    i need pic basic pro code.

     

    please help smiley

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