#Dual-Use of a Switch?

1 messages · Page 1 of 1 (latest)

fair moth
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Say I've got a momentary switch connected to MF in the usual way -- one pin to ground, one pin to my microcontroller. If I wanted to connect that same switch to a completely separate controller so that either one of them (or both of them) could service the button press -- would the dual connection mess anything up? (Yes, I know this is an ususual use-case -- I'm trying to make something work with an existing PCB)

marsh barn
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Oops, I wrote nonsense. Disregard 😅

slow tangle
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I think it should work. It is just sending a LOW signal to two boards, so the two boards GND should be connected together. I am assuming both boards expect LOW as trigger for the button press action.