Something I’d fishy in Denmark. I’ll have to draw it out, but no way, no how can it cause any problems with the computer!
Till I can noodle on it, see if the resistor pack by those pins is in the correct orientation.
I’m going to assume an EZ board. Crude drawing attached.
There is nothing but a pull-up resistor.
As a matter of personal preference, I use the NC side of limit/home switches. That way, any switch, wiring or connectors that fail usually will fail open (e.g. fail safe).
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