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I have an Arduino project that has 15 different output pins set. Some are currently attached to devices and others are not. Will testing my program cause a problem / damage if it sets pints to HIGH that do not have anything connected to them?

asked Mar 31, 2015 at 19:22

1 Answer 1

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Nope, you should be just fine.

Having a pin set to any state while unplugged will not cause any problems with your microcontroller.

answered Mar 31, 2015 at 19:25

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