On 13/03/2019 09:54, Roger Hayter wrote:
I'd still try a new microswitch first. Their operating point does move
a lot as the contacts wear.
No. it doesn't.
If you look at how they work, it is a matter of levers within the thing
whose actions are more about where the button sits on the arm and the
arm length than where the contact is
https://www.components.omron.com/web...tch/basic02-01
what wears, is not the contact, but the actual BUTTON.
--
It is dangerous to be right in matters on which the established
authorities are wrong.
Voltaire, The Age of Louis XIV