Password Based Door Lock System

Now read the five digit password from the user.

Password based door lock system.

The keypad is an input device that helps to enter a code to open the door. Password based door locking system with 8051 principle behind the project. You can simply copy paste the code using arduino ide. Working of password based door locking system with 8051.

Also declare port2 to. This output load can be a motor or a lamp or any other mechanical electrical load. Download the library for keypad h from below. The necessity of a low cost electronic home security system designed in coordination with other security measures is always there in our society to reduce the risk of home intrusion.

This block gives the entered code signals to the microcontroller. Keeping this problem in mind we are working on a project on. Password and onetime password based door lock system such an automatic lock system consists of electronic control assembly which controls the output load through a password. A simple yet effective means to safeguard your home and office by preventing others from entering your room without the correct password.

Lie back and relax for your abode and workplace are now protected from attempted break ins with this easy to make diy security mechanism. Presenting to you the diy password based door lock. Here at89c51 microcontroller is used and it is an 8 bit controller. In this project 4 3 keypad is used.

Password based door lock circuit design uses five major components a microcontroller a relay a dc motor a 4 3 matrix keypad and a lcd. Password based door locking system the operation of this system can be described by the above block diagram which consists of blocks as keypad a buzzer an lcd a motor driver and a stepper motor. When power supply is turned on a message enter your password. This controller requires a supply voltage of 5v dc.

Four rows const byte cols 4. The simply compile it then finally upload it to the atmega328 microcontroller. Then display the message enter password on lcd. The code for password based door lock security system using arduino keypad is given below.

Password based door lock system using arduino simulino uno code include include initialize the library with the numbers of the interface pins liquidcrystal lcd 9 8 7 6 5 4. The main component in the circuit is 8051 controller. Four columns define the cymbols on the buttons of the keypads char hexakeys rows cols 7 8 9. Compare the entered password with the.

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.