diff --git a/simulation/VirtualLedBoard/VirtualLedBoard.pro b/simulation/VirtualLedBoard/VirtualLedBoard.pro
index 4ba635f..208ce2e 100644
--- a/simulation/VirtualLedBoard/VirtualLedBoard.pro
+++ b/simulation/VirtualLedBoard/VirtualLedBoard.pro
@@ -16,6 +16,7 @@ SOURCES += \
 
 HEADERS += \
     mainwindow.h \
+    settings.h \
     udpserver.h
 
 FORMS += \
diff --git a/simulation/VirtualLedBoard/mainwindow.h b/simulation/VirtualLedBoard/mainwindow.h
index d96514a..d17aeb9 100644
--- a/simulation/VirtualLedBoard/mainwindow.h
+++ b/simulation/VirtualLedBoard/mainwindow.h
@@ -5,17 +5,7 @@
 #include <QImage>
 #include "udpserver.h"
 
-
-#define MAXIMUM_PANELSIZE 5
-#define PANEL_WIDTH 32
-#define PANEL_HEIGHT 40
-
-#define LED_DIAMETER 8
-#define LED_DISTANCE (LED_DIAMETER + 3)
-
-#define DEFAULT_WIDTH   (LED_DISTANCE * MAXIMUM_PANELSIZE * PANEL_WIDTH)
-#define DEFAULT_HEIGHT  (LED_DISTANCE * PANEL_HEIGHT)
-
+#include "settings.h"
 
 #define COLOR_BACKGROUND    Qt::black
 #define COLOR_FOREGROUND    QColor(255, 127, 0, 255)
diff --git a/simulation/VirtualLedBoard/settings.h b/simulation/VirtualLedBoard/settings.h
new file mode 100644
index 0000000..c1b23ef
--- /dev/null
+++ b/simulation/VirtualLedBoard/settings.h
@@ -0,0 +1,14 @@
+
+#define PACKET_LENGTH   801
+#define PACKET_INDEX_BRIGHTNESS 0
+#define PACKET_INDEX_PANEL0     1
+
+#define MAXIMUM_PANELSIZE 5
+#define PANEL_WIDTH 32
+#define PANEL_HEIGHT 40
+
+#define LED_DIAMETER 8
+#define LED_DISTANCE (LED_DIAMETER + 3)
+
+#define DEFAULT_WIDTH   (LED_DISTANCE * MAXIMUM_PANELSIZE * PANEL_WIDTH)
+#define DEFAULT_HEIGHT  (LED_DISTANCE * PANEL_HEIGHT)
diff --git a/simulation/VirtualLedBoard/udpserver.cpp b/simulation/VirtualLedBoard/udpserver.cpp
index 9887cea..a814395 100644
--- a/simulation/VirtualLedBoard/udpserver.cpp
+++ b/simulation/VirtualLedBoard/udpserver.cpp
@@ -1,4 +1,5 @@
 #include "udpserver.h"
+#include "settings.h"
 #include <QUdpSocket>
 #include <QNetworkDatagram>
 
@@ -29,7 +30,7 @@ void UdpLedServer ::readPendingDatagrams()
 }
 
 void UdpLedServer::processTheDatagram(QNetworkDatagram datagram) {
-    if (datagram.isValid()) {
+    if (datagram.isValid() && datagram.data().length() == PACKET_LENGTH) {
         qDebug() << "Received datagram:" << datagram.data().size();
     }
 }