Password Based Door Lock System Using 8051 Microcontroller Project Report

Password based door lock system using8051 microcontrollertraditional lock systems using mechanical lock and key mechanism are being replaced by newadvanced techniques of locking system.

Password based door lock system using 8051 microcontroller project report. The password is stored in the eprom so that we can change it at any time. This controller requires a supply voltage of 5v dc. 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. Here at89c51 microcontroller is used and it is an 8 bit controller.

Video of the project. Password based door locking system. The main concept behind this project is a door latch opening using a password entered through the keypad. These techniques are an integration of mechanical andelectronic devices and highly intelligent.

There are many types technologies available to secure our place like pir based security systems rfid based security system laser security alarms bio matrix systems etc. The microcontroller based door locker is an access control system that allows only authorized person to access a restricted area the system is fully controlled by the 8 bit microcontroller 8051 which has a 2kbytes of rom for the program memory. All the processing s will be done by 8051 microcontroller. User can change this password anytime he she wish using a keypad.

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. Password based door lock system using 8051 microcontroller final report. In our diy digital lock system 8051 89c51 89c52 is our intelligent unit. It is a simple embedded system with input from the keyboard and the output being actuated accordingly.

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. Again if another person arrives it will ask to enter the password.