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Amazon.com: Chanzon 3mm LED Diode Lights Assortment Kit 60 pcs(6 colors x 10 pcs) Pack (Diffused Round Lens DC 3V 20mA) Lighting Bulb Lamp Assorted Variety Color Electronics Components Light Emitting Diodes
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Engineers invent vertical, full-color microscopic LEDs | MIT News | Massachusetts Institute of Technology
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Why does an LED burn if connected to a battery without a resistor? - Quora
ZEISS Microscopy Online Campus | Light-Emitting Diodes
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LED 5mm blue - 10pcs. - justPi Botland - Robotic Shop
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LED | Definition, Lights, Types, & Facts | Britannica
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