• keypad
    hi,what is the driver for an 8 bit keypad?i need ur help,urgent.tnx
  • Note for us
    Hello embedded's Bigboys i need for you to confime me if that true if i wrong with any sentence correct to me to spread the knowledge every error in assembler has code like A45 : undefined symbol...
  • 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...
  • keypad lcd
    i need source code of keypad, LCD, sent into my web site
  • 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...