EDN

Password Based Door Lock System using 8051 Microcontroller

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 ...
New York Post

NYC’s $43M plan to install door-locking system in public schools marred by ‘mishaps,’ delays

The city Department of Education’s plan to install remote door-locking systems in all public schools is well behind schedule – and critics say poor planning is to blame. The DOE last year awarded Long ...
TechCrunch

A single default password exposes access to dozens of apartment buildings

A security researcher says the default password shipped in a widely used door access control system allows anyone to easily and remotely access door locks and elevator controls in dozens of buildings ...
EDN

Password Based Door Locking System Using 8051

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 ...