DT Light Bulb Notes

LED light bulbs 

LED means Light Emitting Diode 

They are output devices that recieve a signal and perform a fungtion.

A Light Emitting Diode is a special kind of diode that glows when electricty passes through it. 

Most LEDs are made from a semi-coducting material.

They require a small amount of enery to light up.

An LED display is a flat panel display, which uses…