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Password based door locking system
08-03-2010, 03:27 PM
Post: #1
Password based door locking system
hi,i am doing a embeded system project which is - password based door locking system.It ll be helpful if u can assist me in that with source code..

Thank you

07-06-2010, 10:47 PM
Post: #2
RE: Password based door locking system
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
14-10-2010, 11:26 AM
Post: #3
RE: Password based door locking system
Password Based Door Locking System

Aim: The main objective of this project 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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