High-powered LEDs are used in a growing number of applications, including automotive lighting, camera-phone flash, entertainment lighting, location lighting, landscape lighting, flashlights, bicycle ...

How a single LED driver can support buck, boost, and buck-boost topologies. Design details for each topology type. How such drivers work in automotive and machine-vision designs. The breadth of LED ...

LED light bulbs are cheap and energy efficient, writes Chris Goodall. A crash programme to replace all the lights in the UK with LEDs would cut electricity bills, reduce carbon emissions and other ...

There are many power management methods that can be used for LED lighting. You can drive them via a number of dedicated driver ICs available on the market, or even use microcontroller units (MCUs) for ...

LED output is a function of the current through it. So to drive the device, it would seem simple enough to set the LED current with a series power resistor. But there’s a problem with this idea. First ...

Palatine, Ill. — Designed for front-panel applications, Lumex's Chroma LED family of switches feature LED illumination in a variety of colors and styles including toggle, rocker, and pushbutton.

Being compatible only with single-pole switches in single-gang boxes are big limitations, but the SwitchLight is an otherwise terrific addition to any home’s lighting controls. As with the Safelight, ...

Researchers have devised a novel attack that recovers the secret encryption keys stored in smart cards and smartphones by using cameras in iPhones or commercial surveillance systems to video record ...