This is a simple password based door locking system circuit designed using 8051 microcontroller. It provides control to the actuating the load. It is a simple embedded system with input from the ...

The main purpose of this paper is to design and implement a locker high security system based on RFID, Fingerprint, Password and GSM technology which can be organized in bank, secured offices and ...

Here is the circuit diagram of Electronic code lock system using 8051 microcontroller. It is very useful at residential places to ensure better safety. This system demonstrates a circuit named ...