Password Door Lock System

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.

Password door lock system.

Now read the five digit password from the user. Password protected door locking system step 1. About the 4 4 keypad. 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.

You might have noticed the password protected safe or doors everywhere you go. 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. Then display the message enter password on lcd. The entire project is controlled by using the arduino.

Also declare port2 to. A 4 4 or 4 3 keypad can be used to enter the desired password. We are using it.