The light-emitting diode (LED) keeps making inroads into everyday electronics. From displays to bulbs to headlamps and other lamps in newer vehicles, this device is producing brighter, more attractive ...

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 ...

In a previous article, we explored the behavior of an LED diode as a small light source. We have seen how important a protection resistor is to light up this component. In this article, we will ...