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diff --git a/libraries/Esplora/Beginners/EsploraJoystickMouse/EsploraJoystickMouse.ino b/libraries/Esplora/Beginners/EsploraJoystickMouse/EsploraJoystickMouse.ino
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+++ b/libraries/Esplora/Beginners/EsploraJoystickMouse/EsploraJoystickMouse.ino
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+/*
+  Esplora Joystick Mouse
+ 
+ This  sketch shows you how to read the joystick and use it to control the movement
+ of the cursor on your computer.  You're making your Esplora into a mouse!
+ 
+ WARNING: this sketch will take over your mouse movement. If you lose control
+ of your mouse do the following:
+ 1) unplug the Esplora.
+ 2) open the EsploraBlink sketch
+ 3) hold the reset button down while plugging your Esplora back in
+ 4) while holding reset, click "Upload"
+ 5) when you see the message "Done compiling", release the reset button.
+ 
+ This will stop your Esplora from controlling your mouse while you upload a sketch
+ that doesn't take control of the mouse.
+ 
+ Created on 22 Dec 2012
+ by Tom Igoe
+ 
+ This example is in the public domain.
+ */
+
+#include <Esplora.h>
+
+void setup()
+{
+  Serial.begin(9600);       // initialize serial communication with your computer
+  Mouse.begin();            // take control of the mouse
+} 
+
+void loop()
+{
+  int xValue = Esplora.readJoystickX();        // read the joystick's X position
+  int yValue = Esplora.readJoystickY();        // read the joystick's Y position
+  int button = Esplora.readJoystickSwitch();   // read the joystick pushbutton
+  Serial.print("Joystick X: ");                // print a label for the X value
+  Serial.print(xValue);                        // print the X value
+  Serial.print("\tY: ");                       // print a tab character and a label for the Y value
+  Serial.print(yValue);                        // print the Y value
+  Serial.print("\tButton: ");                  // print a tab character and a label for the button
+  Serial.print(button);                        // print the button value
+
+  int mouseX = map( xValue,-512, 512, 10, -10);  // map the X value to a range of movement for the mouse X
+  int mouseY = map( yValue,-512, 512, -10, 10);  // map the Y value to a range of movement for the mouse Y
+  Mouse.move(mouseX, mouseY, 0);                 // move the mouse
+  
+  delay(10);                                  // a short delay before moving again
+}
+