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Topic: can not get computer to communicate ?

Hi, I just got done building a M one Prime and I am using a ramps 1.4 setup.
I can not seem to get arduino to communicate with my ramps?  I have good spare ramps board so I tried that and still nothing?
Not sure where to start? its says my com3 port is in use.  I have disable and re enabled com3 still nothing. same error.

2 (edited by heartless 2016-02-27 21:25:11)

Re: can not get computer to communicate ?

try setting the com port to a higher number in device manager (properties > advanced settings), then select that port in arduino and see if that helps

also make sure you have the correct board selected in arduino

SD4 #1 & #2 - Lawsy carriages, E3D v6, Rumba controller board, mirror bed plate, X motor fan, upgraded PSU & Mica bed heater
SD4 #3 - in the works ~ Folgertech FT-5, rev 1
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