High voltage is no joke, but you don’t need special electrical knowhow or skills to safely replace your light switch or ...

Dusk-to-dawn light bulbs turn on at dusk and turn off when daylight breaks, detecting the change in light using a photocell ...

Bats are nocturnal hunters and use echolocation to orient themselves by emitting high-frequency ultrasonic sounds in rapid ...

Vehicles have three kinds of oil lights, and each means something different. So when they come on, how long should you wait ...

It might look unassuming, but this small Aqara FP300 sensor could result in a massive upgrade to modern smart homes.

If your vehicle's headlights are misaligned, you don't have to go to the mechanic. Here's how to adjust them yourself and how ...

For year-round lighting that you can change to the go-to orange or purple for Halloween, this set is perfect. This 200-foot ...

Diabetes affects millions of Americans, and many don’t even realize they have it. Instead of relying on costly and ...

Plants flower only when both blue light and cool air signals align. PHOT2 and NPH3 handle light, while CAMTA2 and EHB1 handle ...

The company's sensor uses sonar and echos to give robots more information about their surrounding environment.

Knowing what to set your shutter speed, aperture and ISO to can be very confusing when you're starting out. Here are some ...

Shorten the sensor’s detection zone by adjusting the range dial. Start with the dial set to max and turn down until the range is correct. Also, brighten up the night with the best outdoor smart lights ...