Learn how LED headlight beam patterns affect visibility, what causes glare, and how to choose bulbs that deliver clear, ...
This Design Idea describes a simple LED-lighting-effects circuit comprising only five chips and costing only a few dollars. When you first observe the circuit in action, you will think that it uses a ...
Philips sent me one of their 12.5W dimmable LED bulbs to evaluate. (This is Philips L-Prize entry, for those following the DOE contest. WRONG, see below.) Tear-down time! Some of you have mentioned ...
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