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draw 30W @ 5v to run LED light string and Arduino from a car battery?
I've got a set of LPD6803 LED lights controlled by an Arduino that I'd like to connect to a 12v system powered off an auto battery. … The lights can run off 5-12V but this particular Arduino board is spec'd for only 4-8V Vin.
The total draw of the lights will be something under 30W. …