Light-emitting diode, LEDs. Who invented them, how to use them

Light-emitting diode, LEDs. Learn - who invented them, how to use them.

LEDs have a lot of different uses, from a simple power on indicator to traffic
signals. LEDs use about ten percent of the energy of a traditional light bulb,
and they can last about thirty times longer. That makes them a pretty big hit
with businesses looking to do large scale visual communication.

This video will take you through the history of LED invantion, thier modern
days applications and how to use them.

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