Password Door Lock System

We are using it.
Password door lock system. The password based door lock system allows only authorized persons to access the restricted areas. You might have noticed the password protected safe or doors everywhere you go. Password protected door locking system step 1. About the 4 4 keypad.
A 4 4 or 4 3 keypad can be used to enter the desired password. Now read the five digit password from the user. The entire project is controlled by using the arduino. Most of the electrical components mentioned above can be found in evive iot kit.
Our digital code lock project is a simple electronic number lock system or an electronic combination lock using 8051 which has a preset 5 digit password stored inside the program the system collects 5 digit user input compares the user input with the preset password inside program and if the user input and stored password matches access will be granted by opening the door with the help of relay for a few seconds and closing it automatically after stipulated time. Compare the entered password with the. Also declare port2 to.