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Microcontroller Based Digital code Lock (AT89C2051)
Author Binu J
Author email binu_ji@yahoo.com
Author website www.binu.somee.com
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Description Security is a prime concern in our day-today life. Everyone wants to be as much secure as possible. An access control for doors forms a vital link in a security chain. The microcontroller based digital lock for Doors is an access control system that allows only authorized persons to access a restricted area. The system is fully controlled by the 8 bit microcontroller AT89C2051 which has a 2Kbytes of ROM for the program memory. The password is stored in the EPROM so that we can change it at any time. The system has a Keypad by which the password can be entered through it. When the entered password equals with the password stored in the memory then the relay gets on and so that the door is opened. If we entered a wrong password for more than three times then the Alarm is switched on.
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Filesize 28.35 kb
Date Wednesday 04 July 2007 - 02:57:24
Downloads 5590
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Rating
 7.0 - 6 votes 

Comments



Microcontroller ebooks Projects codes examples bromio_47 | 01 Aug : 01:34
How does this work? N how to change the lock? as i dont know assembly language so tell me where to change da code.
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Microcontroller ebooks Projects codes examples DJ | 10 Aug : 06:31
Hello sir, how r u;
project name "Microcontroller Based Digital code Lock (AT89C2051)". This project is great & my project proposal is approved but i have 1 problem i have no block diagram of that whole circuit, but my professor said give the block diagram before 11 august, if uhave a block diagram so please mail on my id "ali_22qalimi@hotmail.com" please hurry up b/c i have only that day.
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Microcontroller ebooks Projects codes examples Ajay | 10 Aug : 11:43
Hey DJ why don't you ask for the block diagram in the forum.. it think there are many people out there who can help including me. Please post your requirement in the forum
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Microcontroller ebooks Projects codes examples DJ | 11 Aug : 08:35
hi sir,
please give me detail about the project which is Microcontroller Based Digital code Lock (AT89C2051) with discription of circuit
and also brief detail according to block diagram which u give me.
i shall be thankfull to u please reply.
id is ali_22qalimi@hotmail.com
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Microcontroller ebooks Projects codes examples eduardsmall | 11 Aug : 09:01
hi sir,
please give me detail about the project which is Microcontroller Based Digital code Lock (AT89C2051) with discription of circuit
and also brief detail according to block diagram which u give me and also the components and pcb layout......and also the program if ever it had.....
i shall be thankfull to u please reply.

please send it to my email add: eduardsmall@yahoo.com

im looking forward to ur responce....thanks alot..

this is a big help for me and my partner...

i wana make this project for my school project hope u would help us.........

thanks..

eduardsmall,16

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Microcontroller ebooks Projects codes examples jasonlce | 13 Aug : 09:48
hello sir,
can i have the full details about this project including the hardware and software part??
can i have da software part in Assembly code???

please send it to chun_ei@hotmail.com
looking forward to your reply...
really appreciate if you can help...

thanks!!!
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Microcontroller ebooks Projects codes examples sayaara | 17 Aug : 23:44
can i have the full details about this project including the hardware and software part??
can i have da software part in Assembly code???
please send it to sayaarapatel@yahoo.co.in
looking forward to your reply...
really appreciate if you can help...

thanks!!!

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Microcontroller ebooks Projects codes examples Shikha | 18 Aug : 02:48
Hello Sir,
Can u please guide me about ur project giving the full details of how it works?? Please do tell me about the software as well as the h/w part of this project.
Anxiously waiting for ur reply on my mail Sanghamitra1_Sen@yahoo.com
Thank U!!!!!!
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Microcontroller ebooks Projects codes examples vani | 19 Aug : 05:20
Good evening sir,
Iam final year student & my branch is Electronics & Telecommunication. I have choosen this topic for my project. It's your courtesy if you can help me by giving all the details about this topic(hardware & software part) soon before 20 August.
please send it to shivani_1_patel@yahoo.com
Thank U!!!!
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Microcontroller ebooks Projects codes examples Anita | 19 Aug : 23:11
Good morning sir,
I am final year student having a branch "ELECTRONICS AND TELECOMMUNICATION".I want topics for projects based on microcontroller with block diagrams.
can you please give me details before 22th August on my E-mail visit2rohini@yahoo.co.in
Thank you!!!
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Microcontroller ebooks Projects codes examples monica | 25 Aug : 11:23
can i plzzz get hex file of software n description of hardware of this project.... m to make this as my major project
my email id is
mm_ece25@yahoo.co.in
thanks!!!!!!!
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Microcontroller ebooks Projects codes examples abhijeet | 01 Sep : 00:50
hi,sir
i am final yr student of B.E ELECTRICAL .
I want to do project on microcontroller based prepaid energy meter & i need block dia. for that so please send me the block dia. on following e-mail id
"r.abhi242yahoo.co.in"
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Microcontroller ebooks Projects codes examples abhijeet | 01 Sep : 00:52
hi,sir
i am final yr student of B.E ELECTRICAL .
I want to do project on microcontroller based prepaid energy meter & i need block dia. for that so please send me the block dia. on following e-mail id
"r.abhi24yahoo.co.in"
Reply to this  


Microcontroller ebooks Projects codes examples Ajay | 01 Sep : 00:53
Please post in the forum...
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Microcontroller ebooks Projects codes examples abhijeet | 01 Sep : 00:56
Good morning sir,
I am final year student having a branch "ELECTRICAL"
I want topics for projects based on microcontroller with block diagrams.
can you please give me details before 10th sept on my E-mail
"r.abhi24yahoo.co.in"
Thank you!!!

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Microcontroller ebooks Projects codes examples Anonymous | 09 Sep : 05:18
hai sri
i am final year student. i want any motor or generator based in 8051 project. please give the tapics
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Microcontroller ebooks Projects codes examples MAdhu sudhana sg | 07 Sep : 04:46
Iam a trainee in RVE technoploiges and i want to do some project so im had selected this project can i have the full details of the project ( both hardware and software )on my mail before 10 th september
madhunen@yahoo.co.in
Thank you
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Microcontroller ebooks Projects codes examples dayananda | 09 Sep : 04:49
hello sir this is daya from blore,first of all i wish to acknowledge ur effort in helpin us ..me too am lookin for a project in 8051 based system please help mr understand the details of this project with algorithm and the hardware.please mail ur reply to dayananda.a@gmail.com
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Microcontroller ebooks Projects codes examples Ajay | 09 Sep : 11:16
Please post your doubts in the forum.. i will surely help you and.. there is no mail being sent to any of the person asking for help. Whatever is there is on the site.. Please make use of the forum
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Microcontroller ebooks Projects codes examples Vipul | 13 Sep : 01:31
Plz give me details about microcontroller based Digital code lock with description of
circuit and also brief details inckudeing block diagram , PCB layout and also programme.
wiating for your prompt reply..

vipul56tiwari@gmail.com
thanking you.
Vipul Tiwari.....
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Microcontroller ebooks Projects codes examples DJ | 27 Sep : 05:22
Hi Sir,

Im ali ur forum member, i make the project which is "digital code lock" but some problem in password which cannot match,

and led not glow please give me the passwords so can i match it with ur password which is in ur project and then again i can operate the circuit & another thing is that their is the two loads please give me the detail or understand about that matter.

Sir if i connect the lcd with that project so what can changes required in the circuit please help me,send me on id
ali_06qalimi@yahoo.com

thankx.

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Microcontroller ebooks Projects codes examples Ajay | 27 Sep : 08:10
This project is different from what i designed.
It doesn't have an LCD.
Password for Lock 1: 1279
Password for Lock 2: 1271

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Microcontroller ebooks Projects codes examples solangi01@yahoo.com | 29 Sep : 03:09
hi sir,
please give me detail about the project which is Microcontroller Based Digital code Lock (AT89C2051) with discription of circuit
and also brief detail according to block diagram which u give me and also the hex file.
i shall be thankfull to u please reply.
please send it to my email add: solangi01l@yahoo.com
im looking forward to ur responce....thanks alot..
this is a big help for me
i wana make this project for my help us.........
thanks..
Reply to this  

Microcontroller ebooks Projects codes examples raziq | 29 Sep : 06:41
hi sir,
please give me detail about the project which is Microcontroller Based Digital code Lock (AT89C2051) with discription of circuit
and also brief detail according to block diagram which u give me and also the hex file.
i shall be thankfull to u please reply.
please send it to my email add: raziq_halim@yahoo.com
Reply to this  

Microcontroller ebooks Projects codes examples ece | 02 Oct : 05:01
how can i get reg_51.pdf file
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Microcontroller ebooks Projects codes examples Ajay | 02 Oct : 05:13
download the missing files from here
http://www.8051projects.net/downloads189.html
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Microcontroller ebooks Projects codes examples taralshah | 06 Oct : 05:00
http://www.fun-soft.de/showtopic.php?threadid=7224&replyto=42229&time=&post_start=lastpage


my id is : taral_vigour@yahoo.com
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Microcontroller ebooks Projects codes examples ece | 04 Oct : 02:06
thanx for sending file but i didn't get ckt description and all stuff can u send me that also if possible?
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Microcontroller ebooks Projects codes examples Ajay | 04 Oct : 06:14
ask in forum...
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Microcontroller ebooks Projects codes examples chetan_limdi05@yahoo.co.in | 30 Oct : 23:19
thanks for your help
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Microcontroller ebooks Projects codes examples ishu | 04 Nov : 23:51
hi sir!!
i want the block diagram of("Microcontroller Based Digital code Lock (AT89C2051)". and also the explanation of the blocks and circuit information... plz sir reply as soon as possible..
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Microcontroller ebooks Projects codes examples Ajay | 05 Nov : 00:16
Ishu, Please make use of forum for your doubts!
i will assist you there..
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Microcontroller ebooks Projects codes examples solangi01 | 06 Feb : 09:16
sir,
I am intersting the made of Mircor Based Digital Code Lock
I don't now what is the password and change new password process please help me i am very thankful to u

thanks
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Microcontroller ebooks Projects codes examples Ajay | 06 Feb : 10:22
use forum
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Microcontroller ebooks Projects codes examples navleen | 06 Apr : 08:57
Sir,
It'll be really kind of you if you could send the software details i.e. functioning of various code subroutines as well as the block diagram associated. please reply as soon as possible because we are facing some problem with its working .

thanx n regards
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