What is function "F" that is used for the input to Serial3?
I tried using Software Serial, and tried plain read and write
(with the characters). Didn't see anything, so am guessing
the function F does something. Does anyone know?
What is function "F" that is used for the input to Serial3?
I tried using Software Serial, and tried plain read and write
(with the characters). Didn't see anything, so am guessing
the function F does something. Does anyone know?