Listing 5. Example of a Server Sketch

/* Serial communication demo: +1*/

/* Server program
Amit Saha*/


int number;

void setup()
{
  // Open the serial connection, 9600 baud
  Serial.begin(9600);
 }

void loop()
{
  // Get the data "packet"
  // Wait for some data to arrive
  if (Serial.available()>1) {
      //operation=Serial.read();
      number=Serial.read();

      Serial.println(number + 1);
    }

}