Password Based Door Lock System Using Pic16f877a

This system allows the user to unlock the device with a password.

Password based door lock system using pic16f877a.

The major components include a keypad lcd and the controller pic16f877a. Same logic is used to rotate motor anticlockwise. 2 or 3 different types of password. And then its asks to close the door by pressing digit one.

So you can use microcontroller based electronic lock to make any device password protected. This project is much similar to my previous one password based door locking system. Can be used in various rooms like seminar hall conference room and study rooms in college. The project password detector can be used to automate the door locking process so the user need not to carry the door lock keys along with them they need to just remember the password and use it later to open the door.

The user can also set his password to ensure better protection. I need to multiple password system door lock. Like main password guests password public password to open the door closed the door. We are widely familiar with the password based e locks and might have installed in our house.

This article describes the making of an electronic code lock using the 16f877a microcontroller. Password based door lock using pic microcontroller https elektronicsgarage wordpress c. The password is entered by making use of a keypad. If the entered password is not correct then the message.

If both strings matches then it will send signal to l293d ic and rotates motor in clock wise direction. In this way a simple door lock system can be implemented with the use of a microcontroller. Atmega based garage door opening. But we are going for electronic locks made by any company when you can make one by your own.

Here i am going to explain you a simple password based circuit breaker project using pic microcontroller. The system turns on the appliance on entering a four digit password set by the user and displays message password accepted on lcd screen for 2 seconds followed by the message lock open. Circuit breakers are electromechanical devices used in the power system to connect or disconnect the power flow at the generator substation or load location. Digital door lock using pic16f877a with 16x2 lcd and keypad with dc motor.

For example speed control of a dc motor home automation system automatic doors and measurements systems can be made password protected the electronic bell of school can also be made password protected using the electronic lock. This is an advanced door opening system compared to the above system. Electronic code locking system is extremely useful in protecting our precious possessions and can be installed anywhere with bit of engineering in it. If the person attempting to open the door enters a wrong password then the microcontroller switches the alarm for further course of action.