The Yale Code is a new electronic lock that borrows many features from smart locks like the Assure Lock 2, yet it isn’t technically a smart lock. It lacks support for Google Home, Amazon Alexa, Apple ...

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 ...

A code that prevents a wireless phone from unauthorized use. When explicitly locked, and each time the phone is turned on, it will prompt the user to enter the code before it will allow a call to be ...

This electronic lock for domestic use opens only when you connect the right combination of five switches. There are twelve switches in total. If you connect a wrong combination, the lock remains ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Doug Mahoney Doug Mahoney is a writer covering home-improvement topics, ...

Locks come in a variety of types and designs to meet a wide range of security needs. While many locks use a simple key-and-tumbler design, some locks use technology that is significantly more advanced ...