diff --git a/Cube4Fun/src/CubeNetwork.cpp b/Cube4Fun/src/CubeNetwork.cpp
index 5574175..d98465d 100644
--- a/Cube4Fun/src/CubeNetwork.cpp
+++ b/Cube4Fun/src/CubeNetwork.cpp
@@ -31,6 +31,8 @@
 //using Poco::Net::SocketAddress;
 //using Poco::Exception;
 
+TCPConnector* connector;
+
 unsigned char buffer3D[64];
 unsigned char receiveBuffer[32];
 int bytesReceived;
@@ -114,7 +116,7 @@ void msgCloseFrameStream() {
     if (stream) {
         buffer3D[0] = 's';
         buffer3D[1] = 'S';
-        stream->send(buffer3D, 2); // End the stream mode
+        stream->send(reinterpret_cast<const char*>(buffer3D), 2); // End the stream mode
     }
 }
 
@@ -129,7 +131,7 @@ void msgOpenFrameStream() {
         buffer3D[6] = 'S';
         buffer3D[7] = 's';
         buffer3D[8] = ' ';
-        stream->send(buffer3D, 9);
+        stream->send(reinterpret_cast<const char*>(buffer3D), 9);
     }
 }
 
@@ -157,7 +159,7 @@ void msgStartWrite(u_int32_t msgLength) {
         printf("2: %u\n", myBuffer[2]);
         printf("3: %u\n", myBuffer[3]);
         
-        stream->send(buffer3D, 13);
+        stream->send(reinterpret_cast<const char*>(buffer3D), 13);
     }
 }
 
@@ -190,7 +192,7 @@ void testFrame() {
         buffer3D[60]=254;
         buffer3D[63]=254;
     }
-    stream->send(buffer3D, 64);
+    stream->send(reinterpret_cast<const char*>(buffer3D), 64);
 }
 
 
@@ -206,7 +208,7 @@ void testStream2() {
                     buffer3D[i] = 255;  // Aus
                 }
             }
-            stream->send(buffer3D, 64);
+            stream->send(reinterpret_cast<const char*>(buffer3D), 64);
             sleepcp(1000); // 20 FPS
             if ( frameChange < 2 ) {
                 frameChange++;  
@@ -228,7 +230,7 @@ void CubeNetwork::sendBytes(const unsigned char* byteBuffer, unsigned int byteLe
         if ( byteBuffer != NULL ) {
             // let arduino knows what to expect
             msgStartWrite(byteLength);
-            unsigned char myBuffer[4];
+            char myBuffer[4];
             int ret = stream->receive(myBuffer,4);
             printf("received Length:\n");
             printf("0: %u\n", myBuffer[0]);
@@ -238,7 +240,7 @@ void CubeNetwork::sendBytes(const unsigned char* byteBuffer, unsigned int byteLe
             printf("ret: %u\n", ret);
             
             // send bytes to write
-            stream->send(byteBuffer, byteLength);
+            stream->send(reinterpret_cast<const char*>(byteBuffer), byteLength);
             // Reset to the frameStream mode
             if ( streamMode == 2 ) {
                 msgOpenFrameStream();
@@ -258,7 +260,7 @@ void CubeNetwork::updateFrame(const unsigned char * frameSequence, unsigned int
                 buffer3D[i] = frameSequence[i+((frameCount-1)*64)];
             }
             // Send the frame
-            stream->send(buffer3D, 64);
+            stream->send(reinterpret_cast<const char*>(buffer3D), 64);
         }
     }
     
diff --git a/Cube4Fun/src/CubeNetwork.h b/Cube4Fun/src/CubeNetwork.h
index b40bec0..c5d5d8a 100644
--- a/Cube4Fun/src/CubeNetwork.h
+++ b/Cube4Fun/src/CubeNetwork.h
@@ -22,11 +22,11 @@
 #define __Cube4Fun__CubeNetwork__
 
 #include <iostream>
-#include "Poco/Foundation.h"
-#include "Poco/Net/SocketAddress.h"
-#include "Poco/Net/DialogSocket.h"
-#include "Poco/Net/NetException.h"
-#include "Poco/Exception.h"
+//#include "Poco/Foundation.h"
+//#include "Poco/Net/SocketAddress.h"
+//#include "Poco/Net/DialogSocket.h"
+//#include "Poco/Net/NetException.h"
+//#include "Poco/Exception.h"
 #include <stdlib.h>     /* srand, rand */
 #include <time.h>       /* time */
 #include <chrono>
@@ -43,8 +43,6 @@ public:
     static bool openConnection(const char* ipAddr, unsigned int port);
     //static void openConnection();
     static void closeConnection();
-private:
-    static TCPConnector* connector;
 };
 
 #endif /* defined(__Cube4Fun__CubeNetwork__) */
diff --git a/Cube4Fun/src/ObjCtoCPlusPlus.h b/Cube4Fun/src/ObjCtoCPlusPlus.h
index 59517f0..c87324e 100755
--- a/Cube4Fun/src/ObjCtoCPlusPlus.h
+++ b/Cube4Fun/src/ObjCtoCPlusPlus.h
@@ -26,4 +26,4 @@
 + (bool) openConnection: (const char *) ipAddress port: (UInt32) port;
 + (void) closeConnection;
 + (bool) connected;
-@end
\ No newline at end of file
+@end