The only thing I can find is that the power supply takes 5 - 12v dc or up to 20v at the max.
Would I need two of those then?
would I be okay since the LEDs run off the 5v rail on the Mega?
Supplying voltage via the 5V or 3.3V pins bypasses the regulator, and can damage your board. We don't advise it.
Would it hurt to plug it into the barrel jack just to be on the safe side?
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