Window sensors are a critical part of any home security system. When cameras fail, a window sensor becomes your last line of defense. Install them on all your windows, and you will know when an ...

Tire pressure monitoring systems (TPMS) are relatively new additions to your car’s suite of sensors. At least if you’re old enough to remember when keeping an eye on tire pressures was boasted about ...

Your car's tires are a vital element of your car's overall safety, and absolutely must be in ideal working order to ensure a safe driving experience. However, while it's easy enough to clock a ...

Are you curious about the fascinating world of smart home technology? Are you eager to understand the inner workings of those ...

Modern vehicles rely on a massive amount of electrical systems, sensors, and control modules to keep the wheels turning. Some of those devices are well-known, like your car's main computer or engine ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› Advice, staff picks, mythbusting, and more. Let us help you. Published August 13, ...

If you’re shopping for a digital camera, sensor size is one of the first things you’ll hear about. Chances are you’ve seen terms like “crop sensor,” “full frame,” and “micro four-thirds” thrown around ...

PCWorld explains how to create an affordable CO2 air quality monitor using a Raspberry Pi and MH-Z19C sensor for under $40. This DIY project helps monitor indoor air quality since high CO2 levels ...

Hydrogen leaks are hard to detect in humid air, but a sensor gets more accurate as moisture rises. Could this change safety ...

So your car’s transmission is acting up or throwing a heart-stopping fault code and you want to find out if the speed sensors are causing it? Fabulous. Your car’s transmission speed sensors are vital ...

Cameras keep getting better, but it sometimes feels like the pace of improvement has slowed. You can look at photos from the original Canon 5D, released in 2005, and they look pretty good! In some ...