diff --git a/Arduino/mousetroll/mousetroll.ino b/Arduino/mousetroll/mousetroll.ino
new file mode 100644
index 0000000..d580d68
--- /dev/null
+++ b/Arduino/mousetroll/mousetroll.ino
@@ -0,0 +1,29 @@
+#include <DigiMouse.h>
+
+void setup() {
+  DigiMouse.begin(); //start or reenumerate USB - BREAKING CHANGE from old versions that didn't require this
+}
+
+
+int step = 0;
+double stepsize = PI / 100;
+int oldx = 0;
+int oldy = 0;
+int rad = 100;
+
+void loop() {
+  int x = (cos(stepsize * step) * rad);
+  int y = (sin(stepsize * step) * rad);
+
+  DigiMouse.moveY(y - oldy);
+  DigiMouse.moveX(x - oldx);
+  DigiMouse.update();
+
+  oldx = x;
+  oldy = y;
+
+  step ++;
+  if (step == 201)//less operations than modulo and we need that calculation power!
+    step = 0;
+  delay(5);
+}
diff --git a/README.md b/README.md
index 1f4f082..822d091 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,11 @@
 # MouseTroll
 A little Programm, that spinn your mouse coursor.
-There is an Arduino Digispark version for [this](http://digistump.com/products/1) USB-Stick planed.
+The Arduino version is for [this](http://digistump.com/products/1) USB-Stick.
 
 To stop the Java version, just move your mouse to the top left corner and then down to the bottom right within 5 seconds
 (should work for multi-screen-setup, but no warranty.)
+To stop the Arduino version just unplug the device or constantly reset the processor of the device (not the computer!!!).
 
-###### Have a nice, funny troll
+###### Have a nice and funny troll
+
+I take no warranty for anything!
\ No newline at end of file