What do you get for the geek who has everything and likes LEDs? A tricked-out LED tester, naturally. [Dave Cook]’s deluxe model sports an LCD screen and two adjustable values: desired current and ...

High-power light-emitting diodes (LEDs) used in lighting signs, warning lights, decorative lights, and as color backlights for cell phones and laptop computers. Colors include red, blue, yellow, green ...

Pacific Grove >> Whether or not LED streetlights will be installed in Pacific Grove remains to be seen, but city officials are taking measures to make sure residents won’t be in the dark about them.

CLEVELAND, Ohio -- Residents and motorists in several Cleveland neighborhoods will see their streets in a different light next month -- when the warm glow of traditional street lights is replaced by ...

If you’ve worked on a project with small LEDs, you know the frustration of determining their polarity. This ingenious LED Probe from [David] packs a lot of useful features into a simple, ...