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 ...

Most burglaries involve criminals forcibly entering a home, according to FBI statistics—and many of them come in through the front door. That’s why you need a good deadbolt. Consumer Reports’ door ...

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 ...

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Here at the Strategist, we like to think of ourselves as crazy (in the good way) about the stuff we buy, but as much as we’d like to, we can’t try everything. Which is why we have People’s Choice, in ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Tim Heffernan Tim Heffernan is a writer who covers air and water quality and ...

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 ...