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Arduino won't connect with Ramps

Posted by Gordo 
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Gordo
Arduino won't connect with Ramps
August 25, 2015 05:06PM
My PC connect with my Arduino mega. But if i mount the ramps over it disconnect. I delete the stepperdrivers but nothing happens. What is wrong?
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imqqmi
Re: Arduino won't connect with Ramps
August 25, 2015 06:22PM
Maybe it's a dud. If you have a multimeter, check if 5v to ground is shorted. If not I'd replace the ramps board.
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Dust
Re: Arduino won't connect with Ramps
August 25, 2015 09:49PM
Check your endstops are not shorting 5v to gnd. This will stop a mega dead.
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Gordo
Re: Arduino won't connect with Ramps
August 26, 2015 11:06AM
thx Dust. This is it.
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