Add a new example to show how serial monitor can be used

examples/README.md

@@ -3,9 +3,7 @@ the different usage patterns
 
 - BlinkInAVRC - Shows how to use plain AVR C code
 - ATtinyBlink - Shows how to use different cores like ATtiny
-
-These three examples are a step back, in the "tests" directory.
-
 - Blink - Shows normal usage
 - HelloWorld - Shows how to include Arduino libraries
+- SerialPrint - Shows how serial monitor can be used
 - BlinkChipKIT - Shows how to use ChipKIT

examples/SerialPrint/Makefile

@@ -0,0 +1,5 @@
+# Arduino Make file. Refer to https://github.com/sudar/Arduino-Makefile
+
+BOARD_TAG    = uno
+
+include ../../Arduino.mk

examples/SerialPrint/SerialPrint.ino

@@ -0,0 +1,10 @@
+void setup() {
+	Serial.begin(9600);
+	Serial.print("Press any key: ");
+}
+
+void loop() {
+	if (Serial.available()) {
+		Serial.println(Serial.read());
+	}
+}