Thread: Arduino CNC Shield Power Routing
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26-06-2017 #1
Hi,
New to the forum, came from the 3D Printing world having conquered it and have to say... the open source software, firmware and hardware for 3D Printing is WAY more advanced than for CNC machines.
Anyway, as such I'm used to my motherboard shield powering the Arduino it sits on. However when I send power to the CNC shield (this being the name as well as description) the Arduino doesn't come alive. I've buzzed out the PSU-shield with no issues, tried shield positive to Arduino jack plug positive, which gave me a reading but the negatives didn't.
So, to clarify (as there doesn't seem to be much user friendly information out there)... does the CNC shield power the Arduino or does the Arduino use its host computer's power through the USB to power it?
Thanks for any help :)
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