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 ...

Since you use your Mac on a regular basis, it has most likely become a treasure box full of your personal information that you might wish to keep as private as possible. This may especially ring true ...

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 ...

One of the most frustrating troubleshooting situations one may come across is when a user has forgotten his or her system password. Luckily, resetting it is pretty straightforward. Joe is a seasoned ...

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 ...

If you have used Windows for a long time, I am sure you are aware of BIOS or UEFI password. This password lock makes sure that you need to enter the set password even before the Windows computer boots ...

If you buy an iPhone second-hand and it has iCloud Activation Lock activated, and the seller is unavailable, you can still get going with the iPhone. Here's how to remove iCloud Activation Lock ...

On the first day after your vacation, you sit down at your PC, type in the password — and fail. Windows says: “The password is incorrect. Please repeat the process” and expects you to click “OK.” ...