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???
04/24/08 19:58
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#153984 - 4x4 keypad
Hi guys,

can someone explain me how the 4x4 keypad is inplimented with the t89c51ac2 by assembly language?

thanks

List of 11 messages in thread
TopicAuthorDate
4x4 keypad            01/01/70 00:00      
   Which part are you stuck with?            01/01/70 00:00      
      4x4 keypad.            01/01/70 00:00      
         Do you understand how the matrix works?            01/01/70 00:00      
         use matrix keypad & timer interrupt            01/01/70 00:00      
            code for your keyboard.            01/01/70 00:00      
   C code for your keypad            01/01/70 00:00      
      C code for your keypad - do not use            01/01/70 00:00      
         Eric, you must have good eyesight            01/01/70 00:00      
            naah, I spotted the basic error immediately, ...            01/01/70 00:00      
      How to post source code            01/01/70 00:00      

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