Light-emitting diode - Wikipedia
File:LED light bulb.jpg - Wikimedia Commons
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Light-emitting diode - Wikipedia
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Light-emitting diode - Wikipedia
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/cloudfront-us-east-1.images.arcpublishing.com/gray/DR47BOT2YFHZZGLW5RHFF7HZXU.jpg "$2 million energy-efficiency grant awarded to aid local institutions")
$2 million energy-efficiency grant awarded to aid local institutions
An LED. Source: Wikipedia. | Download Scientific Diagram
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Light-emitting diode - Wikipedia
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Light-emitting diode - Wikipedia
Light-emitting diode - Wikipedia
Light-emitting diode - Wikipedia
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HEKEE Motion Sensor LED Light Bulb 9W A19 PIR Built-in IR 60W Equivalent Bright 810 Lumens E26 Base Warm White Bulbs ( 2 Packs) - - Amazon.com
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L-53P3C - Kingbright - Phototransistor, 940 nm, 100 mW
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