First commit, serial test

com-test/com-test.ino

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+void setup() {
+  // initialize serial communication at 9600 bits per second:
+  Serial.begin(9600);
+}
+
+void loop() {
+  // send data only when you receive data:
+  while (Serial.available() > 0) {
+    // read the incoming byte:
+    int incomingByte = Serial.read();
+
+    Serial.write(incomingByte);
+  }
+
+  static int no = 0;
+  
+  Serial.print("serial port test ");
+  Serial.println(no++);
+  delay(2000);
+}

libraries/readme.txt

@@ -0,0 +1 @@
+For information on installing libraries, see: http://www.arduino.cc/en/Guide/Libraries