Building an Arduino speed detector using IR technology to measure the speed of a moving object is much more cost-effective, ...

Typically referred to as light therapy or LED face masks, these contraptions use light-emitting diodes to shine light at specific wavelengths onto the skin for various purposes like reducing ...

Typically referred to as light therapy or LED face masks, these contraptions use light-emitting diodes to shine light at specific wavelengths onto the skin for various purposes such as reducing ...

There are so many kinds of Bluetooth speakers to choose from, all coming in various forms and at different prices, and with varying discounts and deals intermittently thrown into the equation, it can ...

Executive Editor David Carnoy has been a leading member of CNET's Reviews team since 2000. He covers the gamut of gadgets and is a notable reviewer of mobile accessories and portable audio ...

Here’s how it works. Our team of audio experts has been reviewing the best Bluetooth speakers for nearly two decades. If you’re feeling nostalgic, take a look at our Parrot DS1120 Bluetooth Sp ...

So if you're interested in vinyl records but want the option to listen to them on Bluetooth headphones or wireless speakers, then a Bluetooth turntable is what you need. Bluetooth record players – ...

Here’s how it works. It’s never been easier to move your music from room to room (and even outside) than with the best Bluetooth speakers. There are loads of different options out there ...

They're the next big development in LCD TVs, and they take the technology used in the best mini-LED TVs to a new level. The crucial development of RGB backlit TVs is that the backlight behind the ...

Cree is aiming at horticulture lighting with a 660nm red led that is 6% more efficient than its XP-G3 Photo Red S Line devices. Called the XP-L Photo Red S Line, “this extra performance can be used to ...

Here are the best low-cost Bluetooth speakers we've tested ... I worked as an audio engineer—my love of recording audio eventually led me to writing about audio gear.

The best Bluetooth car adapters ensure you can enjoy hands-free audio in your car — no matter how low-tech your car might be. You don't have to spend a fortune on this process, and the only ...