In the frozen tundra of western New York shines a single candle, running on a AA battery brought back from the dead. This light is shining to bring holiday cheer to all those near. '...the thief sa...Read More…
In the frozen tundra of western New York shines a single candle, running on a AA battery brought back from the dead. This light is shining to bring holiday cheer to all those near.
'...the thief said "Let there be light. Behold a single candle lit by the joules of a dead cell."'
This is a fully assembled LED candle based on the popular joule thief circuit that allows it to run off a single AA battery for days. Now 43% SMD by component count! (insignificant by weight)
There is something about LEDs and the joule thief circuit that keeps me coming back. This time around I went for something festive for the December holiday season along with a SMD transformer, no longer will I have to hand wind toroidal transformers.
A single warm white LED mimics the light from a candle. The white PCB with included silkscreen artwork while not fooling anyone clearly indicates that this is a LED candle and not a simple flashlight. The included power switch lets the user giveth and taketh the light with ease. Clever battery placement enables this candle to stand upright without any additional support. Measures approximately 86mm high x 14mm wide and 18mm deep.
AA battery not included
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United States Postal Service: USPS First Class
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I am a mechanical engineer who tinkers with electronics in my spare time. Check out my personal blog where I post most of my projects and interests: samueldperry.com