On Wed, 13 Mar 2019 at 22:29, Gene Heskett <[email protected]> wrote:

> Since I've never put a home switch on a rotary,

Neither have I. It isn't often necessary. If I had something  without
rotational symmetry I would probably use a spirit level on the part...

When I have considered doing it I have thought in terms of a
semi-circular track and an opto-sensor. (so it never takes more than
180 degrees to home)

-- 
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial use of mechanical geniuses, daredevils and
lunatics."
— George Fitch, Atlanta Constitution Newspaper, 1916


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