diff --git a/FlippR-Driver/CMakeLists.txt b/FlippR-Driver/CMakeLists.txt
index c109c87..a998016 100644
--- a/FlippR-Driver/CMakeLists.txt
+++ b/FlippR-Driver/CMakeLists.txt
@@ -56,7 +56,7 @@ file(GLOB_RECURSE SOURCES src/*.cpp)
 if(BUILD_SHARED_LIB)
   add_library(${PROJECT_NAME} SHARED ${SOURCES})
 else()
-  add_library(${PROJECT_NAME} STATIC ${SOURCES} cli/OutputInterpreter.cpp cli/OutputInterpreter.h src/output/items/detail/DriverBoardItem.cpp src/output/items/detail/DriverBoardItem.h include/DriverFactory.h src/utility/Colors.h src/output/factories/SoundFactory.cpp src/output/factories/SoundFactory.h src/output/factories/ItemFactory.cpp src/output/factories/ItemFactory.h src/output/factories/FlipperFactory.cpp src/output/factories/FlipperFactory.h src/output/factories/LampFactory.cpp src/output/factories/LampFactory.h src/output/factories/DisplayFactory.cpp src/output/factories/DisplayFactory.h src/output/factories/SolenoidFactory.cpp src/output/factories/SolenoidFactory.h)
+  add_library(${PROJECT_NAME} STATIC ${SOURCES} cli/OutputInterpreter.cpp cli/OutputInterpreter.h src/output/items/detail/DriverBoardItem.cpp src/output/items/detail/DriverBoardItem.h include/DriverFactory.h src/utility/Colors.h src/output/factories/SoundFactory.cpp src/output/factories/SoundFactory.h src/output/factories/ItemFactory.cpp src/output/factories/ItemFactory.h src/output/factories/FlipperFactory.cpp src/output/factories/FlipperFactory.h src/output/factories/LampFactory.cpp src/output/factories/LampFactory.h src/output/factories/DisplayFactory.cpp src/output/factories/DisplayFactory.h src/output/factories/SolenoidFactory.cpp src/output/factories/SolenoidFactory.h src/utility/helper_functions.hpp)
 endif(BUILD_SHARED_LIB)
 
 target_include_directories(${PROJECT_NAME} PRIVATE ${CMAKE_SOURCE_DIR}/src)
diff --git a/FlippR-Driver/src/output/detail/DriverBoardPinController.cpp b/FlippR-Driver/src/output/detail/DriverBoardPinController.cpp
index d91372b..0cf951d 100644
--- a/FlippR-Driver/src/output/detail/DriverBoardPinController.cpp
+++ b/FlippR-Driver/src/output/detail/DriverBoardPinController.cpp
@@ -2,6 +2,7 @@
 // Created by rhetenor on 14.12.18.
 //
 
+#include <utility/helper_functions.hpp>
 #include "output/detail/DriverBoardPinController.h"
 
 #include "output/items/DriverBoardItem.h"
@@ -94,34 +95,25 @@ void DriverBoardPinController::set_address_pins(std::array<uint8_t, 3> address_p
 {
   this->address_pins = address_pins;
 
-  std::stringstream ss;
-
-
   for(auto pin : address_pins)
   {
-    ss << int{pin} << ", ";
     initialize_output_pin(pin);
     write_pin(pin, 1);
   }
-  ss << std::string(2, 0x08);
 
-  CLOG(DEBUG, OUTPUT_LOGGER) << "Pin addresses for driver board set to: [" << ss.str() << "]";
+  CLOG(DEBUG, OUTPUT_LOGGER) << "Pin addresses for driver board set to: " + help::make_list_string<std::array<uint8_t, 3>>(address_pins);
 }
 void DriverBoardPinController::set_mux_pins(std::array<uint8_t, 13> mux_enable_pins)
 {
   this->mux_enable_pins = mux_enable_pins;
 
-  std::stringstream ss;
-
   for(auto pin : mux_enable_pins)
   {
-    ss << int{pin} << ", ";
     initialize_output_pin(pin);
     write_pin(pin, 1);
   }
-  ss << std::string(2, 0x08);
 
-  CLOG(DEBUG, OUTPUT_LOGGER) << "Pin addresses for multiplexers set to: [" << ss.str() << "]";
+  CLOG(DEBUG, OUTPUT_LOGGER) << "Pin addresses for multiplexers set to: " + help::make_list_string<std::array<uint8_t, 13>>(mux_enable_pins);
 }
 void DriverBoardPinController::set_data_pin(uint8_t data_pin)
 {
diff --git a/FlippR-Driver/src/output/detail/SoundBoardPinController.cpp b/FlippR-Driver/src/output/detail/SoundBoardPinController.cpp
index c27fe09..b918199 100644
--- a/FlippR-Driver/src/output/detail/SoundBoardPinController.cpp
+++ b/FlippR-Driver/src/output/detail/SoundBoardPinController.cpp
@@ -2,6 +2,7 @@
 // Created by rhetenor on 14.12.18.
 //
 
+#include <utility/helper_functions.hpp>
 #include "output/detail/SoundBoardPinController.h"
 
 #include "utility/config.h"
@@ -80,15 +81,7 @@ void SoundBoardPinController::set_address_pins(std::array<uint8_t, 7> address_pi
     this->initialize_output_pin(pin);
   }
 
-  //print string in a nice manner
-  std::stringstream ss;
-  for (auto & p : address_pins)
-  {
-    ss << int{p} << ", ";
-  }
-  ss << std::string(2, 0x08);
-
-  CLOG(DEBUG, OUTPUT_LOGGER) << "Pin addresses for sounds set to: [" << ss.str() << "]";
+  CLOG(DEBUG, OUTPUT_LOGGER) << "Pin addresses for sounds set to: " + help::make_list_string<std::array<uint8_t, 7>>(address_pins);
 }
 
 void SoundBoardPinController::set_fire_address(const uint8_t &fire_address)
diff --git a/FlippR-Driver/src/utility/helper_functions.hpp b/FlippR-Driver/src/utility/helper_functions.hpp
new file mode 100644
index 0000000..2bfae15
--- /dev/null
+++ b/FlippR-Driver/src/utility/helper_functions.hpp
@@ -0,0 +1,24 @@
+/*
+ * helper_functions.hpp
+ *
+ *  Created on: Jan 16, 2020
+ *      Author: Andreas Schneider, Johannes Wendel, Jonas Zeunert
+ */
+#include <string>
+#include <sstream>
+
+namespace help
+{
+  template<typename Container>
+  std::string make_list_string(Container container)
+  {
+    std::stringstream ss;
+    for(auto & elem : container)
+    {
+      ss << std::to_string(elem) << ", ";
+    }
+    ss << std::string(2, 0x08);
+
+    return std::string("[") + ss.str() + "]";
+  }
+}