//2009 mlab.uiah.fi/paja
//Understanding Serial.print and println commands

void setup ()
{
  // Initiate serial communication between Arduiono and PC
  // Parameter is for baude rate. In this course, we constantly use 9600.
  Serial.begin(9600);
}

void loop ()
{
  Serial.print("Hello world");
  Serial.print("\t\t"); // print tabs
  
  Serial.println("Hello world again");
  delay(2000);   //wait for 2000 miliseconds = 2 second
}