> question is simply, can I write:
> const char units[] = "µA";
> Or will the compilation depend on my computer locale ?


Many codepages have µ (mue) at index 230 defined. However, you may not
relay on this. If you need the character consider using unicode or (as
we do for half a decade now) write "mue" instead of the character.
Just my .02$
-
Gernot