Listing 2 1 YourFirstProgram

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/* Listing 2-1 . The Source Code for Your First Program  */
void setup()
{                       // Start of setup() function body             

 Serial.begin(9600);  // Step 1, Initialization

  // Step 2, Input (the letters between the quotes)
  // Step 3. Process - Serial object formats data for display 
  // Step 4. Output - Display the message on the monitor
  Serial.println("This is my first Arduino program!");
}                       // End of setup() function body             


void loop()
{                       // Start of loop() function body             
} // End of loop() function body