If I want to set pin 16 high on a Nano I've tried these three methods and they all work. digitalWrite (16, HIGH); PORTC = 1 << 2; PORTC = 0B00000100; In setup I have three of the pins in PORTC set as outputs. I see no use in using DDRC... because setting the pinMode only happens once during setu…

best way to set pin high/low without using digitalWrite?

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