Password Door Lock System

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.

Password door lock system.

Then display the message enter password on lcd. Password protected door locking system step 1. Password based door lock system algorithm initially declare the port1 to lcd data pins and control pins rs and e to p3 0 and p3 2. Etekjoy electronic door lock 3 in 1 password rfid card tag hidden keyhole digital touchscreen keypad left right lever reversible handle keyless smart auto lock 3 9 out of 5 stars 90 80 00 80.

A 4 4 or 4 3 keypad can be used to enter the desired password. You might have noticed the password protected safe or doors everywhere you go. Compare the entered password with the. The entire project is controlled by using the arduino.

Now read the five digit password from the user. About the 4 4 keypad. The password based door lock system allows only authorized persons to access the restricted areas.