I wanted to know why my LED lights weren't lasting as long as they were supposed to. The answer wasn't what I expected.

Solid state lighting applications are expanding as higher performance LEDs are now available. One application getting considerable attention is the retrofit of existing triac-based dimmers by ...

The following essay is reprinted with permission from The Conversation, an online publication covering the latest research. There’s a handy trick for reading station signs that otherwise fly past in a ...

The LM3445 from National Semiconductor enables a full 100:1 range of offline, uniform, flicker-free dimming for high-brightness LEDs with a conventional TRIAC forward or reverse phase-control wall ...

First of all, apologies if this is not the appropriate forum for such a thing, but I didn't really think it appropriate to put anywhere else. In any case, I bought 2 30 light strings from the HEB up ...

There are many applications for LED lighting, from simple incandescent or CCFL lamp replacement to new opportunities in architectural, industrial, medical, and other applications. Each of these ...

Halloween is coming and [Paulo] decided to make some flickering jack-o-lanterns by hijacking the flickering circuit of a cheap LED tea light to drive a much more powerful light! He has tons of old 12V ...

Let's say you have gone on a vacation halfway around the world and have shot tons of video to commemorate that trip. You return home and notice that many of the videos shot indoors with LED lights ...

Here at Hackaday we’re no strangers to the colorful glow of LEDs. But what if there was more to appreciate beneath the surface? Back in 2011 [Windell] over at Evil Mad Scientist dug into a certain ...

This is an LED bulb that fits into a recessed light fixture. It can become an annoying strobe light in your home. (Tim Carter) Analysis by Tim Carter Q: I feel like I’m going to have a seizure. I’ve ...