Since the earliest versions of indoor LED light bulbs were developed, their designers have faced a variety of technical challenges. These include AC-to-DC power conversion, thermal design/heat-sinking ...

At CNET, we -- like many others -- have run into LED bulbs that seem fine at first, only to start flickering and burn out ...

So I have a couple of floor lamps that have three-way switches and was designed for incandescent light bulbs. To clarify, when I say three-way switch, I mean it cycles between off, low, medium, and ...

This circuit operates a LED in pulsing mode, i.e. the LED goes from off state, lights up gradually, then dims gradually, etc. This operation mode is obtained by a triangular wave generator formed by ...

A recent discussion with Scott Brown of iWatt revealed some interesting facts about the design of IC drivers for consumer LED lighting. Although LED lifetime can reach about 20 years and the power ...

Evil Mad Scientist Labs brings us this easy to make LED blinking circuit. The idea is to put a LED in series with a small blinking incandescent bulb from a string of Christmas lights. The bulb has an ...

LEDs are supposed to last for years, along with delivering lower energy use, and even smart features like connecting with Alexa. They're a major leap forward versus incandescent bulbs, but they don't ...

Back in 2005, Oprah got on TV, with Leonardo DiCaprio and his Prius, to warn us all of the dangers of global warming, urging us to swap out incandescent bulbs for more energy-conscious compact ...

LED bulbs are the way to go for a “smarter” smart home. While some bulbs and bulb kits may be a bit of an investment upfront, the cash you’ll save in the long run, combined with many of the great ...

Light bulbs are one of those things that you don’t really pay attention to until one burns out and you have to replace it. So when that time comes, do you replace it with an incandescent bulb, or a ...