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General Mach Discussion / Re: Any help / suggestions please?
« on: March 12, 2018, 11:26:03 AM »Hi,
Thanks for the advice. I have used a dedicated 5v power supply BUT I have returned all earths to a din rail switching mode. Why is putting all grounds together an issue? Pardon my ignorance.
I have no ground loops that I can detect and I have tested everywhere I can think of.
Thanks.
I can't detect either