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This example is for Wiring version 0024+. If you have a previous version, use the examples included with your software. If you see any errors or have comments, please let us know.

Simple Write.
Write data to the serial port

    char val = 'a';
    char space = ' ';

    void setup() {
      Serial.begin(9600);
    }

    void loop() {
      Serial.print(val);  // sends an 'a'
      Serial.print(space);  // sends a ' '
      delay(1000);        // wait 1 second for next print
    }