Password Based Door Lock System Using Pic16f877a

Electronic code locking system using pic 16f877 mircocontroller.

Password based door lock system using pic16f877a.

And then its asks to close the door by pressing digit one. This article describes the making of an electronic code lock using the 16f877a microcontroller. You can simply copy paste the code using arduino ide. The simply compile it then finally upload it to the atmega328 microcontroller.

We are widely familiar with the password based e locks and might have installed in our house. Password based door lock system using arduino and keypad duration. This project is much similar to my previous one password based door locking system. Atmega based garage door opening.

This is an advanced door opening system compared to the above system. The code for password based door lock security system using arduino keypad is given below. Circuit diagram of electronics lock is shown below. Razib shahadat 147 664 views.

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. This is also such an electronic locking system in which pic16f887a microcontroller plays the role of the central processing unit. Here i am going to explain you a simple password based circuit breaker project using pic microcontroller.

The major components include a keypad lcd and the controller pic16f877a. If the person attempting to open the door enters a wrong password then the microcontroller switches the alarm for further course of action. Home microcontroller projects. Digital door lock using pic16f877a with 16x2 lcd and keypad with dc motor.

Whenever any key is pressed on the keypad the software program in the mcu identifies the pressed key and accordingly turns on or turns off the appliance. Default password 1234 is stored in eeprom of pic microcontroller. Electronic code locking system is extremely useful in protecting our precious possessions and can be installed anywhere with bit of engineering in it. Electronic lock takes inputs from the user with the help of 4x4 keypad.

Pic16f877a microcontroller reads these inputs and compared it with a already stored password. This system allows the user to unlock the device with a password. Same logic is used to rotate motor anticlockwise. Programming the pic16f84a in c with mplab x duration.

The mcu is interfaced with a 4 4 matrix keypad and a 16 2 lcd to form the user interface. The user can also set his password to ensure better protection.