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thanks for the reply.
this is way outside of the scope I have in mind.
the water is neither deep enough nor fast enough to work as you imagine it to be.
I am looking for a solid state solution, not a mechanical one.
thanks for the idea, though.
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thanks for the reply...
I would like to build a circuit to light a physical bridge built over a small stream in my back yard.
I need two strings of 20 LEDs each, to line the sides of the bridge so that people don't fall off in the dark.
I want it to be battery powered, and I want it to turn on 4 hours a night, and...
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