If that tuning pot is acting up on one end of the range, it may need to be replaced. ?Sounds like it may have been dealing with the better part of an Amp to or from pin A7, enough for the regulator to get hot. ?Which could warp stuff inside that pot.
On Fri, Jan 27, 2017 at 03:20 pm, Jerry Gaffke wrote:
I assume the regulator is now running cool, it should hardly get warm at all. ?If it's still hot, you may yet have trouble with the Nano.
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