A 4 4 or 4 3 keypad can be used to enter the desired password.
Password based door locking system using arduino uno.
The simply compile it then finally upload it to the atmega328 microcontroller.
So a digital code lock can secure your home or locker easily.
The entire project is controlled by using the arduino.
As thefts are increasing day by day security is becoming a major concern nowadays.
It will open your door only when the right password is entered.
In this project we will learn how to make password based door lock security system using arduino keypad.
Password based door lock system using arduino simulino uno schematic diagram read smart phone controlled home automation using arduino the key pad library for the arduino uno available in this link keypad this library is setup to do every function for the keypad.
Download the library for keypad h from below.
You can simply copy paste the code using arduino ide.
About the 4 4 keypad.
Password based door lock system using arduino uno is a simple project where a secure password will act as a door unlocking system.