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 ...

Stuck on Activation Lock after an iOS update? Learn why it happens and follow simple, safe steps to unlock your iPhone or iPad and use it again.

To keep our system safe from prying eyes, it is essential to restrict users’ access by locking down the system. Windows by default feature a lock system, however, it can be easily unblocked with a ...

Locking & protecting your computer with a USB has always been an additional feature for securing your Windows computer. If you leave your PC alone for short intervals, then using a USB to lock your ...

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 ...