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Ramps power question

Posted by Meltedplastic 
Ramps power question
July 01, 2013 05:58AM
Just started wiring up my motors to the ramps board and was wondering if there is a proper powering on sequence?

USB power to arduino then external power supply or other way around?

Or does it not matter?

Hopefully not totally stupid question just didn't want to damage anything

Re: Ramps power question
July 01, 2013 07:46AM
It shouldn't really matter, at least it doesn't for me..

Waitaki 3D Printer
Re: Ramps power question
July 02, 2013 12:02AM
I agree with Waitaki, it shouldn't matter. Having said that I found it did with one printer. USB first then power to ramps. (otherwise the pC would not connect). However I later found that the problem was an earthing one on the power supply and once that was sorted the order problem went away.
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