[Maarten Tromp]’s replacement of his motorcycle’s tail light with LED equivalents is a great example of something that every hacker learns sooner or later: interfacing to and working around ...

Planning a headlight upgrade? Learn how to choose the best LED bulb for your car by matching filament position, wattage, and colour temperature for safe, reliable performance.

That makes it the most efficient 60W replacement we've tested, with a very impressive 94 lumens per watt to its name -- a full 10 lumens-per-watt better than its nearest competitor, the Cree LED.

There’s plenty of debate about drop-in LED headlight bulbs, especially when they’re used with older reflector housings that were designed for halogen bulbs. Whether or not you personall… ...