Yes. One of those.
Yes. One of those.
On a 9V power supply with an "M" connector, is:
Inside + Outisde-
Or
Inside- OUtside+
What is a "M" connector?
-- ? Michael A. Terrell Central Florida
Yes, one or the other, unless it's an AC supply :)
Usually it's marked on the device _ outer -----(o----- inner ~ Bye. Jasen
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