We now find high-brightness light-emitting diodes (HBLEDs) in a growing array of applications, including automotive displays and exterior lights, backlighting for televisions and video monitors, ...

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, ...

Next week, Easton will begin a test program that may lead to changing all of the city's streetlamps to energy-efficient LED lights. Five streetlights in one corner of Easton's Centre Square will be ...

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 ...

The simple Diode and LED Tester presented here costs under £5 to build (including all components, the battery and a cheap case) and will indicate the polarity of almost all types of LED and other ...