Lasersaber has also replicated Dr. Jones type circuit about a year ago, drawing very low current, but I don't really see a bright led, on that video.
This is some of Lasersaber's newest circuits, also drawing low power off of crystal cells:
lasersaber's Channel - YouTube
This is some of Lasersaber's newest circuits, also drawing low power off of crystal cells:
lasersaber's Channel - YouTube
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