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One Time Programmable Password Lock

Description

Comments

which type of lcd is used

 

please can u tell me the name of the diode D2

branch (C) below the relay it goes to where ?
there is a red branch abover the lcd it goes to where or connected to what ?
help please

that is diode connected between relay terminals. its a normal diode

is that working and if yes then how can i interface lcd and keypad with the given c program if i took them individually and merge then keil shows error so now what can i do plz suggest  me or send me a new code on kasturenishant @ gmail.com(no space is there)

 

what is the value of d2??

 

willthis code work for at89c51

sir i have ultra 8051 devlopment board v1.2 in this i double check connection but keypad not works 

sir kindly reply fast

 

can you have proteus simution for this project

Hi, have a very good day wherever you are. Can this source code compiled in MIDE code compiler instead of KEIL (IDE) compiler ?

code for this project pleas

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