[Andrea] just sent us this great student hack he made for his room. He’s constructed an Arduino keypad door lock — without using any proper fastening hardware! The entire build is made out of scrap ...

Project Components: arduino uno, keypad, 7-segment display, buzzer, led, pump, relay, batteries Project Structure: (1) keypad, display, buzzer, led and relay connected to uno (2) pump with battery ...

The alphabet soup of TV terminology is overwhelming enough, but you might have seen a particularly confusing term pop up lately: mini-LED. LEDs are already tiny, so what exactly could the "mini" here ...

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, ...

Yale’s latest electronic lock won’t connect to your other smart home gear or to your smartphone, but it’s easy to install and manage. It covers the basics in style. Yale’s parade of high-tech locks ...

The locked door of the Nurses' Station in Brookhaven Hospital was always one of the most infamous puzzles in Silent Hill 2, and it's made a comeback for the Silent Hill 2 Remake. Here's what to do to ...

The Phone app on iPhone doesn't often get updated, but with iOS 18, Apple has given it some love by adding several notable new features, such as suggested contacts and the ability to add new numbers ...

While Ford’s SecuriCode keypad might not be the most cutting-edge way to lock or unlock a vehicle, it’s become a staple for many owners. The feature was first introduced on the Thunderbird and Lincoln ...

In our daily lives, we use thermometers on various occasions and for various purposes, from medical needs to repair and diagnostic purposes. As you know there are different types of thermometers, and ...

Ben Smith is a writer based in Los Angeles, California who has been covering consumer tech for at least five years. He's written thousands of articles for various sites about laptops, tablets, and ...