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Topic: Help with WaveShield coding! (Read 2609 times) previous topic - next topic

okay awesome!
Also whats a good power source if i wanna unplug it from my computer?
Would 12v battery pack be efficient?


A 9V would be better, but not those small square batteries they are rubbish.
As the arduino needs about 6.5V minimum to regulate down to 5V any more than this is simply wasted in heat and is not very efficient.

would this one do the trick?


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