Joule Thief Ultraviolet Tests

Quick video of a Joule Thief running 2 ultraviolet leds attached to plastic tubing coated on the inside with black light paint. (green) What I want to know is can we design a circuit that will pulse the battery every time the supercaps run down to charge them up again? This is my question. Thanks again to all my friends on Overunitydotcom and Youtube. See you next time. Bill

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