In almost all of the sample sketches I've looked at, integers (int) are used to are used when referencing the IO pins. Why int and not byte? Seems to me byte would make a lot more sense as I/O pins can only be positive, (int can be negative) and there's no need for 2^16 / 65,536 with int when 2^8 o…

Why use int instead of byte?

Coding_Badly May 12, 2018, 9:10pm 3

Historical artifact.

In either case, a named constant (byte) is the best choice.