Whether you’re preparing for a power outage, an emergency, a camping trip, or a hike, an LED lantern can come in handy when ...

From coffee and tea to curry and pasta sauce, many of our favorite foods (okay, sauces) and beverages can stain our teeth yellow, making them anything but pearly whites. And while some at-home teeth ...

Red light therapy is booming. Previously reserved for in-clinic treatments, there are now plenty of at-home options. It’s become strangely normal to see pictures of people peering out from beneath ...

Light-emitting diode (LED) light therapy is a cosmetic and medical treatment that uses LED wavelengths to treat various skin conditions, such as acne and psoriasis. You can get this therapy at a ...

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You've probably scrolled past more than a few Instagram posts of someone using an LED light therapy mask, but those futuristic devices do a whole lot more than make for some interesting social media ...

Researchers at Graz University of Technology have created a new type of 3D printer that uses LED instead of laser sources for additive manufacturing of metal parts. The new 3D printer can optimize 3D ...

This is a story about a successful system that nevertheless failed to make the cut. An experimental LED brightness adjustment is something [Mitxela] explored in a project for a high-precision clock; ...

With this circuit, any type of LED can be driven from a single-cell supply in the range of 1.0 to 1.5 V (see the figure). As a result, it can be used with alkaline, carbon-zinc, NiCd, or NiMH cells ...

With only a few additional components, you can use a highly efficient step-down dc/dc converter to create a constant-current, multiple-channel LED driver. It is relatively easy to drive a ...

As you probably know, we love our clocks here at Hackaday. Odd display technologies are always interesting to see, as are unusual encoding techniques such as binary, ternary or higher-radix number ...

LED light therapy is a popular noninvasive skin treatment for acne, sun damage, wounds, and other skin problems. People can choose to have LED light therapy at a dermatologist’s office or to use a ...