My Avast! anti-virus software picked up a trojan when I attempted to download the project file.
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what is the password ??
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Sir Can I design this project in my final year B.E. . Plz suggest some projects based on microcontrollers.
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can anyone have the program in c language of this project
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Ajay Bhargav | 30 Jun : 22:20 Check download section.. Reply to this

Please,tell me 10 Digit master password which is preprogrammed in the controller.
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Ajay Bhargav | 07 Aug : 22:04 its there in c file check it (main.c) Reply to this

DivyangPatel | 22 Aug : 23:12 thanks Reply to this

HI
CAN ANY ONE PROVIED ME THE C CODE OF THIS PROJECT KINDLY I NEED IT. PLZ HELP ME AND PROVIDE ME THE CODE
kindly contact me at "tauqeerahmadpk786@gmail.com"
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hi
please tell me where we connect pin 7,8,9,10 of LCD which represent by x-sign.
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jernax | 07 Jul : 19:04 i think the pins 7,8,9,10 are connected parallel to the pin 8 of the IC Reply to this

Sir,
I'm sheen I like to do the Digital Lock Using AT89C2051 with LCD and Keypad project, I need Ur help to make the flow chart of this project.
regarding the best frm U SHEEN
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can i use it as a mtech project

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Ajay Bhargav | 11 Sep : 12:21 well it depends on you, if you feel it is good enough to do it, then you can choose it. Reply to this

hey ajay,
what if i need to modify that 1 led to become 3 led, and 1 5 digit pass to 7x 5 digit pass with each pass leads to different combination of gates that will open, for example pass1/2/3 = gate A/B/C, pass4 = gate A+B pass5 = gate B+C, and etc.
i tried modifying but ended messing everything up. any clues for me?
thanks in advance, =)
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Ajay Bhargav | 17 Sep : 13:00 use forum, might help you out then Reply to this

how i scan the matrix keyboard with 89c2051 having connection with port p3 for row and column plz send me asm code for that my mail id is nnarendra_rathore@rediffmail.com
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Ajay Bhargav | 18 Sep : 12:25 please look at keypad tutorial. if any problem use forum, we do not mail anyone Reply to this

i want to interface this circuit with RS232 to get the all the entry on the PC... cn u help me out how to manage that ???
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in this code also like the previous one the hex code is of size more than 2k
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Ajay Bhargav | 26 Nov : 11:46 Its the file of hex file not the code. more information please use help. Reply to this

ok i got the answer 4 my previous question
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sir u r project has been good. u please send the brief explanation of the above circuit

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Ajay Bhargav | 11 Dec : 12:56 Ashok Please use forum for any help. I will explain you there. Reply to this

sir actually i wanted to a pdf file or project report on this project,,

so, on witch link or side i get the projet report sir,..

please help me,,sir
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hi Ajay how are u .hope you will be fine.
i have simulate your lock on 89c51 but its not working. kindly guide me. thanks

best regards

s m yasir
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Respected sir
my keil compiler in not generating the hex codecan you please solve my problem
or please provide me the hex file
please its urgent
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anyone, can tell me how does this 3x4 keypad works? can give me some data sheet about the operation of this project? i need it urgently...
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Ajay Bhargav | 14 Mar : 01:50 Please use forum if you need any information. Reply to this

chinvui88 | 15 Mar : 18:14 Hi.. is there any information about the operation for this keypad..? Can tell me how does this 3x4 keypad works? can give me some data sheet about the operation of this project? i need it urgently... Thank you Reply to this

Ajay Bhargav | 16 Mar : 04:29 check keypad tutorial to know working of keypad. Reply to this

sir actualy you have given same project 2 times one in assembly and another in C
m i right sir
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sir in C code
there is many file
Delay.d,delay.c
lcd.h,lcd.c
also main.c
and also lock.hex

how it works sir
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shahjee572 | 25 Mar : 10:44 You need to include all these files in single prject directory. Then compile all files. By doing so, the main file will be executed first and will load others in itself. And a single hex file will be generated by ur compiler.. Reply to this

Anuj kumar | 29 Mar : 04:50 thanks sir for reply i have in same manner as you suggest but the hex generated is litted bit different from the hex file provided in project hex size provided in project is 5.15k and generated by my keil compiler is 5.09k please suggest me what is the problem i also assamble whole circuit at bread bord but is not working i have check all the connection very very care fully Reply to this

hello sir,i hv 1 doubt. as AT89C2051 has 2kb memory..how could it store the hex file having size 3kb??
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Sir i need this program for AT89S52, can i use this program as it is. If not so, please advice me in this regard.
And the circuit diagram is also a bit different then I have.

And i'll be v thankfull to you if u plz tell me a brief difference b/w AT89C51 and AT89C2051 (is they r same)...?

Waiting for ur kind reply.
ShahJee
yawar512@gmail.com
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Ajay Bhargav | 25 Mar : 16:26 you can use any 8051 compatible controller, keep the I/O port same.. as used in original project. for further help use forum. Reply to this

its a great project
i have complete this project
its working very good

thanks Ajay sir

u r the best
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its a great project
i have complete this project
its working very good

thanks Ajay sir

u r the best sir
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can i do this for my mini project?How much time it will take to make it?
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Ajay Bhargav | 05 Apr : 10:58 yes you can do it as your mini project. just make the hardware and burn the hex file as coding is done already. only time you are going to spend on is soldering. faster you do it, faster you finish your project. so at max u can say it will take a week or something? If you need any help regarding project use forum. Reply to this

Hi.. anyone can help me? i am doing a final project using at80s52. we are doing automatic door lock, including matrix keypad(3x4), electromagnetic lock, LCD display(2x16) and buzzer. anyone can help me to find any information about this? such as the assembler or programming for it...?
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Ajay Bhargav | 07 Apr : 02:56 just download this project for reference. If you need help use forum. Reply to this

hello sir i have done this project bt for preparing its report which contents should i include?plz reply fast sir
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Hi.. now i only need the assembly, C file and HEX file for the matrix keypad(3x4). anyone can help me? please send to my email at chinvui88@yahoo.com. If there is any matrix keypad(3x4) C program work with the magnetic lock(output) will be better. Thanks
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Ajay..can u show me which forum category will be more suitable with my problem? thanks
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hi sir......thank u for ur excellent job......i need a ppt of this project sir.......please send me at sekar.krishnan@yahoo.co.in
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hi sir,
can u suggest a software where i could program and write the code to AT89C2051 coz im using the latest version of winpic software but the AT89C2051 is not in the list of microcontroller
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Ajay Bhargav | 08 Jul : 06:40 winpic is for PIC microcontrollers. you need a special parallel programmer for programming AT89C2051. Please use forum for more help and explanation. Reply to this

sir,
What kind of load can be connected at output other than an LED. Can A.C devices be connected like a computer or only device that word on 5Volts D.C supply.
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hi r sir can youu please send me the ppt of this project
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hi sir,
can u please tell me why this ic is selected for the project,
can we use any another micro controller,i need them urgently,i have a ppt this monday .
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Ajay Bhargav | 14 Sep : 14:04 anil its better to use forum for any doubts. will surely help. Reply to this

Ajay Bhargav where exactly in the download section is the code in C language. When I check it, it leads back to this place and cant see any .c files in the zip file
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Ajay Bhargav | 05 Dec : 04:03 check this http://www.8051projects.net/downloads184.html Reply to this

9zyte | 07 Dec : 12:15 Thank you! I've downloaded it and will check it out Reply to this

hey ajay....
its a wonderful project no doubt.....
but can you please tell me that what is the rating of potentiometer in the block diagram and also what is y1 given in the circuit???
as i am new to this so please guide me....thanks in advance
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Ajay Bhargav | 27 Feb : 12:38 a simple 10K pot. Reply to this

iram | 06 Mar : 23:25 hey ajay thnx..... actually i completed to build the circuit but i am having a bit problem ... when i turn on the circuit the lcd shows "enter code lock"...but when i try to enter the code it does not appear....and the circuit does nothing.....is that a code problem or a problem with my circuit???please help.... Reply to this

Ajay Bhargav | 08 Mar : 05:03 circuit probably. use forum for better help with your problem. Reply to this

Can u pls tel me what is d use of crystal in this proj??
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and i also wud like to knw the use of potentiometer...
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Ajay Bhargav | 16 Mar : 10:15 please use forum, i would be happy to clear your doubts with better explanation. Reply to this