Last August, the town of Irondequoit, N.Y., near Rochester, opened its $13 million, 37,800-sf public library. The entry lobby is illuminated by organic light-emitting diode (OLED) fixtures, one of the ...

The project aims to build a digital clock by using an Arduino while lighting up a group of discrete LEDs wherein each segment is driven by transistor since they require more power. The project aims to ...

A diode is a device that allows electric current to flow in only one direction, from its anode towards its cathode but not the other way around. There is plenty of online material explaining diode ...

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