diff --git a/src/app/src/main/java/wificar/RockerView.java b/src/app/src/main/java/wificar/RockerView.java
index 517f930..f36a4ef 100644
--- a/src/app/src/main/java/wificar/RockerView.java
+++ b/src/app/src/main/java/wificar/RockerView.java
@@ -82,24 +82,24 @@ public class RockerView extends View{
             case "LEFT":
                 // TODO Auto-generated method stub
                 try {
-                    socketWriter.write(new byte[]{(byte) 0xff, (byte) 0x00, (byte) 0x04, (byte) 0x00, (byte) 0xff});
+                    socketWriter.write(new byte[]{(byte) 0xff, (byte) 0x00, (byte) 0x03, (byte) 0x00, (byte) 0xff});
                     socketWriter.flush();
                 } catch (Exception e) {
                     // TODO Auto-generated catch block
                     e.printStackTrace();
                 }
-                canvas.drawArc(mRectF, 135, 90, true, rectfPaint);
+                canvas.drawArc(mRectF, -45, 90, true, rectfPaint);
                 break;
             case "RIGHT":
                 // TODO Auto-generated method stub
                 try {
-                    socketWriter.write(new byte[]{(byte) 0xff, (byte) 0x00, (byte) 0x03, (byte) 0x00, (byte) 0xff});
+                    socketWriter.write(new byte[]{(byte) 0xff, (byte) 0x00, (byte) 0x04, (byte) 0x00, (byte) 0xff});
                     socketWriter.flush();
                 } catch (Exception e) {
                     // TODO Auto-generated catch block
                     e.printStackTrace();
                 }
-                canvas.drawArc(mRectF, -45, 90, true, rectfPaint);
+                canvas.drawArc(mRectF, 135, 90, true, rectfPaint);
                 break;
             case "STOP":
                 // TODO Auto-generated method stub