Password Door Lock System Using 8051 Microcontroller

Abstract security is a prime concernin our day today life.

Password door lock system using 8051 microcontroller.

Password based door lock circuit design uses five major components a microcontroller a relay a dc motor a 4 3 matrix keypad and a lcd. All the processing s will be done by 8051 microcontroller. Password based door lock system using 8051 microcontroller is a simple project where a secure password will not enough to act as a door unlocking system since any body can use the password and open the door. In this project i am going to design a simple automatic door lock system using 8051 89c51 89c52 microcontroller 16 2 lcd 4 4 numeric keypad and a digital lock.

This controller requires a supply voltage of 5v dc. In our diy digital lock system 8051 89c51 89c52 is our intelligent unit. We are going to use 16 2 alphanumeric liquid crystal display lcd which means it can display alphabets along with numbers on 2 lines each containing 16 characters. Predefined hard coded password is downloaded.

Everyone wants to be as much secure as possible. To overcome this we design rfid password and otp based door lock system using 8051 microcontroller. Traditional lock systems using mechanical lock and key mechanism are being replaced by new advanced techniques of locking system. An accesscontrolfor doors forms a vital link in a security chain.

This controller requires a supply voltage of 5v dc. Here at89c52 microcontroller is used and it is an 8 bit controller. Here an at89c52 microcontroller is used and it is an 8 bit controller. Password based door lock system using 8051 microcontroller is a simple project where a secure password will act as a door unlocking system.

Electronic code lock system circuit design. Sensing the password using keypad and to check whether it is a correct password or a wrong password and rotate the stepper motor if the password entered is a correct password. Here at89c51 microcontroller is used and it is an 8 bit controller. Password based door lock system using 8051 microcontroller circuit design uses five major components a microcontroller an l293d motor driver a dc motor a 4 4 matrix keypad and a 16 2 lcd.

This controller requires a supply voltage of 5v dc.