Password based door locking system
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Joined: Mar 2010
08-03-2010, 03:27 PM

hi,i am doing a embeded system project and implimentation which is - password based door locking system.It ll be helpful if u can assist me in that with source code..

Thank you
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07-06-2010, 10:47 PM

hey vinaysingri please read for getting more information of the idea Password based door locking system

i hope you enjoyed it..
and come again for participate in this forum for helping other students doubt
Use Search at wisely To Get Information About Project Topic and Seminar ideas with report/source code along pdf and ppt presenaion
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14-10-2010, 11:26 AM

.doc   Password Based Door Locking System.doc (Size: 32.5 KB / Downloads: 362)
Password Based Door Locking System

Aim: The main objective of this project and implimentation is to implement an Pass word Based Door Locking System Using AT89c51 Microcontroller.

Project 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 Door locker 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 AT89C51 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 Stepper motor rotate forward side so that the door is opened. If we entered a wrong password for more than three times then the Alarm is switched on. When we go inside and come back then the microcontroller will sense the person using the IR, the microcontroller will automatically open the door for you.

The default password is 1111 and you can change the password by dialing 1234, old password, and new password #button. for example if you want to change the password from the default to 4523 then dial 123411114523# after dialing you can hear a beep sound which confirm the operation goes successful.

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19-01-2012, 10:37 AM

to get information about the topic PASSWORD BASED DOOR LOCKING SYSTEM fullreport,ppt and related topic refer the link bellow
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27-02-2013, 02:28 PM

Embedded password based door locking system

.pptx   Embedded password.pptx (Size: 80.31 KB / Downloads: 25)


Security is prime concern in our day-to-day life. Every one wants to be as much as secure as to be possible.
It allows only authorized persons to access a restricted area. This system is best suitable for corporate offices, ATMs and home security.
The system comprises a small electronic unit with a numeric keypad.
When an authorized person enters predetermined user ID and password via the keypad, the stepper motor is operated for a limited time to unlatch the solenoid-operated lock so the door can be open.
At the end of preset delay, the stepper motor is operated in reverse direction and the door gets locked again. When the code has been incorrectly entered three times in a row, the code lock


give the power supply
it will display to open the door or to close the door
to close the door we have to press the ‘*’ and for opening press #’
Program will not continue till we press ‘*’ or ’#’.
after that it will ask to enter the password and instead of displaying the password we are displaying ‘*’ on the LCD.
If password is matched according to the command door will open/close.
For opening and closing the door in this we connect DC motors and we are rotating forward direction for opening the door and reverse direction for closing the door.
If password not matched buzzer will start .This process will continue .

Important Note..!

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Tagged Pages: mobile based door locking system project, password based door locking system objectives, project file on password based door locking system using 8051, www about pass ward based locking system, passward based doorlock, implement an pass word based door locking system using at89c51 microcontroller, pasward operated door open system,
Popular Searches: at89s52 based door locking project report, door locking system project using gsm documentation, source code for password based door locking system, password based door locking details, project on embedded password based secyrity door, abstract for gsm based door locking ssystem, automatic door locking system project ppt,

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