Why don't your Christmas lights work? Sadly, in the event of a string of lights going out on your tree, replacing the strand is usually the best option. It's pretty difficult to find that one bulb ...
White LEDs used in backlighting provide illumination for the pixels in liquid crystal displays. The LEDs are typically routed on one or two sides of the displays light diffuser, and biased with 20 mA ...
Advanced Analogic Technologies’ AAT1231 high-frequency, high-efficiency inductive boost dc-dc converter controls white LEDs in portable systems operating from single-cell lithium-ion/polymer batteries ...
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