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 ...

Why we love it: Of every LED mask we've ever put on our face, this is hands-down the most fancy. It has 770 LED bulbs, emits ...

One of the most exciting aspects of the advent of LED lighting has been the chance for companies to take unique approaches to how they want to solve the challenges presented by the shift in technology ...

A series where we find out which products the professionals (who really know what they’re talking about) actually use and really stand behind. Read more here. Maybe you’ve seen an influencer gliding ...

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 ...

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 ...

At this point you're likely familiar with the often-touted upsides to using LED (light-emitting diode) bulbs instead of incandescent (glass with a heat-based filament) ones. LED bulbs are said to last ...

QLED and regular LED TVs are some of the most common TV technologies. While they are very similar in many ways, their main differences means their overall performance tends to be quite different.

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 ...