I know this might be a noob questions, and I think I know the answer but; For long term, is it best to set unused pins as OUTPUT or INPUT, HIGH or LOW? Setting them as INPUT,HIGH would enable the internal pullup and a small amount of current would flow. I'm thinking setting them as OUTPUT,LOW wou…

What to do with unused pins

Grumpy_Mike May 2, 2012, 8:20pm 13

Not very much because the input has so high an impedance.

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