Infrastructure projects like the Tokyo Gate Bridge are now turning to LED lighting because of its economical and environmental advantages. But these devices still need the right current-limiting ...

A ballast resistor is a resistor inserted into a circuit to compensate for different changes. Others might give a different answer to the question “what is a ballast resistor” like this: A resistor ...

LEDs form an inevitable part in the modern electronics as simple indicators to optical communication devices. Light Emitting Diodes exploit the property of the p-n junction to emit photons when it is ...