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 ...

If you need to measure a distance, it is tempting to reach for the ubiquitous ultrasonic module like an HC-SR04. These work well, and they are reasonably easy to use. However, they aren’t without ...

In a way, the magic of a soil moisture sensor’s functionality boils down to a simple RC circuit. But of course, in practice there is a bit more to it than that. [rbaron] explains exactly how ...

If you spend a lot of time reading about cameras, you’re probably familiar with the terms CMOS sensor and CCD sensor, as they describe the two most popular digital camera sensor types. You probably ...

David Priest is an award-winning writer and editor who formerly covered home security for CNET. Flood sensors are handy gadgets to have around the house, especially if you live in a floodplain or find ...

New cars are confusing. With all the computers, sensors, and gadgets, it may seem like there's some sort of magical witchcraft taking place under the hood. We're here to show you how modern automotive ...

Why Replace A Faulty Oxygen Sensor? A faulty sensor cannot transmit accurate data to the car's computer, causing the engine to run unbalanced. An unbalanced engine either burns fuel with too much or ...

I like this report from Ford on how they keep self driving sensors clean. They have air blowers which can divert any insects heading for the sensor up and over it, and sprayers and other air blowers ...