Hello, I download Arduino Serial Sample and Upload program to my arduino Uno, but when I write "a" or "b" in Arduino Serial Sample Example nothing happened and led don't blink.... List code String inputString = ""; // a string to hold incoming data boolean stringComplete = false; // whether the s…

How to control Arduino Uno from Xcode

system April 8, 2014, 7:10pm 3

AWOL:
  if (inputString="a")
double equals.

=( still doesn't work