LEDs for Beginners : 9 Steps (with Pictures) - Instructables
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Forward Voltage and KVL | All About LEDs | Adafruit Learning System
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3 Simple Ways to Light an Led Bulb with a Battery - wikiHow
LEDs for Beginners : 9 Steps (with Pictures) - Instructables
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9v battery to parallel 3v LEDs - burnout - Electrical Engineering Stack Exchange
LEDs for Beginners : 9 Steps (with Pictures) - Instructables
