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Be sure to use the Arduino Stack Exchange for questions that are more Arduino and less electronics.

3 votes
3 answers
2k views

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. …
Steve Eisner's user avatar