High-brightness LEDs are an inexpensive, robust, and green replacement for halogen light bulbs. This Idea for Design shows you how to apply an AC LED driver to convert the usual 12 or 24 V AC ...

Ever since the electric light bulb was conceived in the early 1800s, inventors have sought to improve on its design to provide greater light output, better power efficiency, and increased longevity.

It’s of course true that LED headlights on luxury cars and other new cars definitely look better than traditional halogen headlights, but the benefits reach far beyond looks — they’re also much safer ...