About the 4 4 keypad.
Password based door locking system using arduino uno.
Download the library for keypad h from below.
The entire project is controlled by using the arduino.
Old fashioned lock systems use mechanical locking and these can be replaced by new advanced techniques of locking systems.
Password based door lock system using arduino uno is a simple project where a secure password will act as a door unlocking system.
You can simply copy paste the code using arduino ide.
In this project we will learn how to make password based door lock security system using arduino keypad.
The simply compile it then finally upload it to the atmega328 microcontroller.
The code for password based door lock security system using arduino keypad is given below.
As thefts are increasing day by day security is becoming a major concern nowadays.
A 4 4 or 4 3 keypad can be used to enter the desired password.
So a digital code lock can secure your home or locker easily.