• keypad
    hi,what is the driver for an 8 bit keypad?i need ur help,urgent.tnx
  • Keypad problem
    I use ATMEL 89c51 microcontroller with keypad 4x4. My problems is that my 1st row contain 1 2 3 A it display 1 2 3 A for every row i checked the code on proteus8 its working fine and also on 8051...
  • keypad notes
    i want notes for programming 4*3 keypad using 8051 so can any one give some information about this .
  • keypad lcd
    i need source code of keypad, LCD, sent into my web site
  • Keypad Help
    Hey guys, I am currently trying to interface a 4x4 matrix keypad to 89c52. i have conntected the keypad to 89C52 column and row. Pin 12 is for column1, pin 13 for col 2, pin 14 for col 3, pin 15 for col...