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January 26, 2015








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LEDs are usually red. They are good for displaying images because they can be relatively small, and they do not burn out. http://www.webopedia.com/TERM/L/LED.html http://www.edgesystem.net/LED_light_therapy.htm A small indicator light most often used to show the power is on or the device is being used...
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LEDs are found on your computer case, monitor, printer, modem, CD-ROM drive, and hard drive. What is Inside an LED? LED's are special diodes that emit light when connected in a circuit. They are frequently used as "pilot" lights in electronic appliances to indicate whether the circuit is closed or not...
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