diff --git a/CMakeLists.txt b/CMakeLists.txt
index ff1b2fe..deb4686 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -59,6 +59,7 @@ set(helloworld_SRCS
     racelistgenerator.cpp
     datahelper.cpp
     colorwidget.cpp
+    qrc_resource.cpp
 
     mainwindow.ui
     windowrace.ui
@@ -69,7 +70,7 @@ set(helloworld_SRCS
     evaluation.ui
 )
 # Tell CMake to create the helloworld executable
-add_executable(Rennbahn  ${helloworld_SRCS})
+add_executable(Rennbahn  ${helloworld_SRCS} )
 
 # Use the Widgets module from Qt 5
 target_link_libraries(Rennbahn Qt5::Widgets Qt5::Core Qt5::Sql)
diff --git a/hardwaresetup.cpp b/hardwaresetup.cpp
index 217a4eb..713e51c 100644
--- a/hardwaresetup.cpp
+++ b/hardwaresetup.cpp
@@ -324,7 +324,7 @@ void HardwareSetup::run() {
 
         // prepare buffer
         struct TransCheck * received;
-        uint8_t uintBuf[4 * 6 + 2];
+        uint8_t uintBuf[sizeof(struct TransCheck)];
         void * voidBuf;
 
         // configure among others non-canonical mode (important)
@@ -334,10 +334,10 @@ void HardwareSetup::run() {
         tcsetattr(fd, TCSANOW, &config);
 
         // read raw data to buffer
-        ssize_t length = read(fd, uintBuf, 24 + 2);
+        ssize_t length = read(fd, uintBuf, sizeof(struct TransCheck));
 
         // flush existing data
-        if (length < 24) {
+        if (static_cast<unsigned long>(length) < sizeof(struct TransCheck)) {
             tcflush(fd, TCIFLUSH);
         }
 
@@ -345,7 +345,7 @@ void HardwareSetup::run() {
 
             // read data
             cout << "try to read data" << endl;
-            read(this->fd, uintBuf, 4 * 6 + 2);
+            read(this->fd, uintBuf, sizeof(struct TransCheck));
             cout << "data read" << endl;
             voidBuf = static_cast<void *>(uintBuf);
             received = static_cast<struct TransCheck *>(voidBuf);
@@ -354,7 +354,10 @@ void HardwareSetup::run() {
 
             for (int i = 0; i < 6; i++) {
                 if (received->begin == '#' && received->end == '!') {
-
+                    cout << "i: " << i << " time: "
+                         << static_cast<int>(received->data[i].time)
+                         << " update: "
+                         << static_cast<int>(received->data[i].update) << endl;
                     if (received->data[i].update != 0) {
                         switch (received->data[i].id) {
                         case 0:
@@ -386,7 +389,7 @@ void HardwareSetup::run() {
                                      2);
                             break;
                         case 4:
-                            cout << "Shell Zeit 2: "
+                            cout << "Shell Zeit 3: "
                                  << static_cast<int>(received->data[i].time)
                                  << endl;
                             emit Shell(static_cast<int>(received->data[i].time),