The main principle of this circuit is that the door lock opens only when the buttons in series are pressed at a time. We can use it to lock the doors and for other security purposes. This article ...

We've received a review sample of the Lockzo AL501 3-in-1 smart door lock system (Smart Lock + Video Camera + Doorbell). It ...

With technology permeating every aspect of our lives, the idea of home security has changed dramatically in recent years. In this progression, smart door locks have become essential, giving homeowners ...

Xiaomi has launched the Smart Door Lock E30 with free on-site installation for the first time and 3 years of free warranty. It enables you to say goodbye to the keys and make your life a bit easier.

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 ...