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/diy/ - Do It Yourself

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>> No.2701865 [View]
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2701865

So this is sort of cool. This is a disassembled exterior light stake from the dollar store. So for $1.25, I get a solar panel, a NiCad battery and an LED circuit.
I’m thinking about using three of these to power an Arduino nano. I assume I don’t need any charging circuitry for this, since the light panel outputs about 2.2 V in full sunlight. Is there any issue with a solar panel, consuming power, or is it just one big diode type element?

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