digital code lock with keypad and lcd using 89c2051 : 8051 Microcontroller Projects AVR PIC Projects Tutorials Ebooks Libraries codes

Forums

8051 Microcontroller Projects AVR PIC Projects Tutorials Ebooks Libraries codes :: Forums :: Project Development :: Project Doubts		<< Previous thread \| Next thread >>
digital code lock with keypad and lcd using 89c2051


Moderators: Ajay, Junied , abbas1707, Arun Kumar V, pdi33, Shailesh NAYAK, ۞ TPS ۞, shyam, sashijoseph

Author

Post

Deepak D

Tue Nov 25 2008, 09:20AM

Registered Member #12519

Joined: Mon Nov 24 2008, 08:43AM

Posts: 27
Thanked 0 times in 0 posts

can i connect a buzer and red led to the port which is free.. then where i should make change in the code? and can you tell the code too

[ Edited Tue Nov 25 2008, 09:44AM ]

sashijoseph

Tue Nov 25 2008, 06:17PM

Registered Member #5870

Joined: Mon Feb 04 2008, 06:26PM

Posts: 648
Thanked 137 times in 130 posts

When do you want the buzzer and led to work? .. if a wrong code is entered?

Let there be music........

Deepak D

Wed Nov 26 2008, 10:26AM

Registered Member #12519

Joined: Mon Nov 24 2008, 08:43AM

Posts: 27
Thanked 0 times in 0 posts

yes wen you enter a wrong code buzer should work along with a red LED

Ajay

Wed Nov 26 2008, 11:00AM

Rickey's World Admin

Registered Member #1

Joined: Fri Feb 24 2006, 04:56AM

Posts: 4035
Thanked 751 times in 710 posts

in schematic there is P3.4 vacant you can connect your LED and buzzer there. regarding programming, are you using C or assembly?

www.rickeyworld.info
If you feel satisfied with the user's forum reply please click on the thank button.

Obey forum rules!
Respect others!

dellvi

Sat Nov 29 2008, 08:37AM

Registered Member #12682

Joined: Sat Nov 29 2008, 08:17AM

Posts: 2
Thanked 0 times in 0 posts

hii all...
i need help, i am from indonesia...

i want to ask mr. ajay, can u write the code with bascom 8051..???

and i am sorry if my language so bad because i can't speak english very well..