Amazon is selling two $35 LED motion-sensing spotlights for $19, and shoppers say they're 'sturdy and long-lasting' An easy and affordable way to add an extra level of security to dark areas.

Forget Prime Day—where huge deals are really happening is at the Walmart Deals Event. Walmart is a great place to buy ...

As I've experimented and played with a lot of different sensors, I've discovered that these basic devices can be built for super cheap, and they're incredibly versatile. When you're done using an ...

Looking for an alarm system to make you feel more secure? We've tested all the best professional and DIY home security systems to help you decide which is right to protect your family and property.

With the development of technology, inertial sensor-based motion capture systems are being widely used, and there is an increasing demand for their accuracy and practicality. This paper presents a ...