Re: Open circuit interrupt?

You use the definite article - "the circuit", but you don't describe 'the circuit'

Input PortD:2 (pin 7) and PortD:3 (Pin 8).
Currently closed circuit switches connected to those ports with a 10k ohm resistor tied to ground to bring the port LOW when the switch opens.

Wired as per diagram on digital input inBrian Evans Arduino Programming Notebook.

Wired as per diagram on digital input inBrian Evans Arduino Programming Notebook.

Don't have a copy.

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