The polarity markings on LEDs (Light Emitting Diodes) seem to be a common cause of confusion. The polarity may be indicated by a flat section on one side of the body or by one lead being shorter than ...

Light emitting diodes are used through-out modern electronic design and systems for display and status. As boards have become more complicated vendors have sought more testing capabilities at the ...

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, ...

Visible high brightness light emitting diodes (HBLEDs) have gained a reputation for high efficiency and long lifetimes, which has led to their use in a growing list of applications, including ...