here is my schematic and code
i am newbie i feel very happy to say i don't know about microcontrollers that much
;PORT DECLERATION
LCD_RS EQU P2.0 ;LCD REGISTER SELECT LINE
LCD_E EQU P2.1 ;LCD ENABLE LINE
LCD_DB4 EQU P2.2 ;PORT 1 IS USED FOR DATA
LCD_DB5 EQU P2.3 ;USED FOR DATA
LCD_DB6 EQU P2.4 ;FOR DATA
LCD_DB7 EQU P2.5 ;FOR DATA
transmit EQU P1.1 ;+ keypad
;xtal 11.0592 both tx and rx
org 000h
anl pcon,#7fh ;set smod bit to 0 for baude * 32 rate
anl tmod,#30h ;alter timer t1 configuration only
orl tmod,#20h ;set timer t1 as an 8 bit autoload
mov th1,#baudnum ;th1 set for divide clock by 13d
set tr1 ;t1 running at 1E6/13=76923 hz
mov scon,#40h ;set uart to mode 1
xmit
mov sbuf,#'U' ;transmit U continiously
wait
jbc ti,xmit
sjmp wait end
i could not interface 4*4 key pad with micro and to write lcd commands
i just want to transmit few letters like UUUUU may be the word Apple to next micro
pls help me sir
i have seen similar project on
Free 8051 Microcontroller projects secured wireless data by BINU i found that project too complicated for me standard keyboard interfacing ,lcd, etc i want to do simple first and learn that project