8051 controller......

respected sir,
can u help me in keyboard interfacing?.....and in LCD interfacing with password....in c LANGUAGE....i also want some hint in ASSEMBLY language......
plz...
thANK YOU...

check this site

Code Library - 8052.com

this has keyboard interface and lcd and eeprom.. try to combine these programs........

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check
http://www.bipom.com/applications/micro_interfacing.pdf
2x16 LCD And 4x4 Keypad Interfacing With 8051 in Assembly Language | bOtskOOl

Matrix Keypad interfacing with Microcontroller AVR tutorial: AVR Programming : 8051 Microcontroller Projects AVR PIC Projects Tutorials Ebooks Libraries codes

---------- Post added at 19:15 ---------- Previous post was at 19:15 ----------

http://www.pps.jussieu.fr/~amadio/En...1_Tutorial.pdf