One of the easiest soldering projects to do as a beginner is to solder a resistor to an LED. You can technically put the resistor on either side, but I typically choose to put it on the long leg of ...

This USB LED vase is a simple yet elegant device that fuses art with electronics to create a decorative lighting display. Powered directly from a standard USB port, it uses readily available ...

Abstract: Light-emitting diode (LED) luminous flux and efficacy as a function of temperature and current is important to qualify and optimize the design of an LED system. In this paper, the extension ...