How about a screen shot of the red text? Also, when you edited the pins header file in notepad did you just do a regular save? Just make sure notepad didn’t add a .txt extension to the filename or the compiler won’t find it. If so,open In notepad and “save as” .Select “all files” under save as type and make the filename has the .H extension. You may already know to do this, just covering possibilities here.
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