• keypad to LCD help
    hi, i have been writing an assembly code for 89c51,which allows me to send data to lcd by keypad. But the lcd only showing me the initialize step and, no matter how i hit the keypad button,it wont show...
  • LCD and Keypad
    Hi, Have anyone try connecting a LCD and keypad to the board before... Can you post your script online? Thanks..
  • keypad lcd
    i need source code of keypad, LCD, sent into my web site
  • keypad
    hi,what is the driver for an 8 bit keypad?i need ur help,urgent.tnx
  • 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...