diff --git a/FlippR-Driver/src/GPIOInterface.cpp b/FlippR-Driver/src/GPIOInterface.cpp
index dac590e..58370c6 100644
--- a/FlippR-Driver/src/GPIOInterface.cpp
+++ b/FlippR-Driver/src/GPIOInterface.cpp
@@ -22,12 +22,12 @@ GPIOInterface::GPIOInterface()
   std::call_once(GPIO_LIB_INITIALIZED, wiringPiSetup);
 }
 
-void GPIOInterface::initialize_input_pin(char address)
+void GPIOInterface::initialize_input_pin(const char address)
 {
   pinMode(address, INPUT);
 }
 
-void GPIOInterface::initialize_output_pin(char address)
+void GPIOInterface::initialize_output_pin(const char address)
 {
   pinMode(address, OUTPUT);
 }
diff --git a/FlippR-Driver/src/GPIOInterface.h b/FlippR-Driver/src/GPIOInterface.h
index 9f31954..88eb243 100644
--- a/FlippR-Driver/src/GPIOInterface.h
+++ b/FlippR-Driver/src/GPIOInterface.h
@@ -25,13 +25,13 @@ public:
   virtual ~GPIOInterface() = default;
 
 protected:
-  static void initialize_input_pin(char address);
+  static void initialize_input_pin(const char address);
 
-  static void initialize_output_pin(char address);
+  static void initialize_output_pin(const char address);
 
-  static void write_pin(char address, char data);
+  static void write_pin(const char address, const char data);
 
-  static bool read_pin(char address);
+  static bool read_pin(const char address);
 
 public:
   static std::once_flag GPIO_LIB_INITIALIZED;
diff --git a/FlippR-Driver/src/input/DistributingEvent.cpp b/FlippR-Driver/src/input/DistributingEvent.cpp
index 248706a..2445576 100644
--- a/FlippR-Driver/src/input/DistributingEvent.cpp
+++ b/FlippR-Driver/src/input/DistributingEvent.cpp
@@ -6,9 +6,9 @@
 
 flippR_driver::input::DistributingEvent::DistributingEvent(char address, int priority, std::string name,
                                                            std::chrono::milliseconds bounce_time, std::shared_ptr<IEventNotifier> event_notifier):
-  Event(address, priority, name),
+  Event(address, priority, std::move(name)),
   bounce_time(bounce_time),
-  event_notifier(event_notifier),
+  event_notifier(std::move(event_notifier)),
   activation_state(NOT_ACTIVATED)
 {}
 
diff --git a/FlippR-Driver/src/input/EventHandler.cpp b/FlippR-Driver/src/input/EventHandler.cpp
index 158c3ff..4e274ba 100644
--- a/FlippR-Driver/src/input/EventHandler.cpp
+++ b/FlippR-Driver/src/input/EventHandler.cpp
@@ -13,7 +13,7 @@ namespace input
 {
 
 EventHandler::EventHandler(std::shared_ptr<IInputDriver> input_driver) :
-    input_driver(input_driver)
+    input_driver(std::move(input_driver))
 {
   this->input_driver->register_event_handler(this);
 
diff --git a/FlippR-Driver/src/input/IInputGPIOInterface.h b/FlippR-Driver/src/input/IInputGPIOInterface.h
index 428d36d..c98d05a 100644
--- a/FlippR-Driver/src/input/IInputGPIOInterface.h
+++ b/FlippR-Driver/src/input/IInputGPIOInterface.h
@@ -16,10 +16,9 @@ namespace input
 class IInputGPIOInterface
 {
 public:
-  virtual ~IInputGPIOInterface()
-  = default;;
+  virtual ~IInputGPIOInterface() = default;
 
-  virtual bool read_data(char pin) = 0;
+  virtual bool read_data(char pin) const = 0;
 };
 
 }
diff --git a/FlippR-Driver/src/input/InputDriver.cpp b/FlippR-Driver/src/input/InputDriver.cpp
index 8c5e7b9..4816b1a 100644
--- a/FlippR-Driver/src/input/InputDriver.cpp
+++ b/FlippR-Driver/src/input/InputDriver.cpp
@@ -16,7 +16,7 @@ namespace input
 
 InputDriver::InputDriver(std::shared_ptr<IEventNotifier> event_notifier, std::unique_ptr<IDetector> detector,
                          std::map<std::string, std::shared_ptr<Event>> events) :
-event_notifier(event_notifier), detector(std::move(detector)), events(events)
+event_notifier(std::move(event_notifier)), detector(std::move(detector)), events(std::move(events))
 {
   CLOG(INFO, INPUT_LOGGER) << "Created InputDriver";
 }
diff --git a/FlippR-Driver/src/input/InputDriverFactory.cpp b/FlippR-Driver/src/input/InputDriverFactory.cpp
index 59498af..e6ae654 100644
--- a/FlippR-Driver/src/input/InputDriverFactory.cpp
+++ b/FlippR-Driver/src/input/InputDriverFactory.cpp
@@ -26,7 +26,7 @@ namespace InputDriverFactory
 using namespace nlohmann;
 using namespace flippR_driver::utility;
 
-std::shared_ptr<IInputDriver> get_InputDriver(std::istream& input_config_stream, std::istream& matrix_config_stream)
+std::shared_ptr<IInputDriver> get_InputDriver(std::istream &input_pin_stream, std::istream &matrix_config_stream)
 {
   LoggerFactory::CreateInputLogger();
 
@@ -36,23 +36,24 @@ std::shared_ptr<IInputDriver> get_InputDriver(std::istream& input_config_stream,
   std::vector<std::shared_ptr<DistributingEvent>> events;
   std::map<std::string, std::shared_ptr<Event>> name_event_map;
 
-  json matrix_config;
-  matrix_config_stream >> matrix_config;
-  create_events(matrix_config, events, name_event_map, event_notifier);
+  create_events(matrix_config_stream, events, name_event_map, event_notifier);
 
-  std::unique_ptr<IInputGPIOInterface> input_gpio_interface(new InputGPIOInterface(input_config_stream));
+  std::unique_ptr<IInputGPIOInterface> input_gpio_interface(new InputGPIOInterface(create_pin_map(input_pin_stream)));
   std::unique_ptr<IDetector> detector(new Detector(std::move(input_gpio_interface), events));
 
-  return std::shared_ptr<InputDriver>(new InputDriver(event_notifier, std::move(detector), name_event_map));
+  return std::make_shared<InputDriver>(event_notifier, std::move(detector), name_event_map);
 }
 
 namespace
 {
-  void create_events(json matrix_config, std::vector<std::shared_ptr<DistributingEvent>> &events,
+  void create_events(std::istream &matrix_config_stream, std::vector<std::shared_ptr<DistributingEvent>> &events,
                       std::map<std::string, std::shared_ptr<Event>> &name_event_map,
                       std::shared_ptr<IEventNotifier> event_notifier)
   {
-    int global_bounce_time = matrix_config.at("global_bounce_time").get<json::number_integer_t>();
+    json matrix_config;
+    matrix_config_stream >> matrix_config;
+
+    int global_bounce_time = matrix_config.at("global_bounce_time").get<uint8_t>();
     auto &json_events = matrix_config.at("input_matrix");
     for(auto &json_event : json_events)
     {
@@ -68,8 +69,8 @@ namespace
     try
     {
       std::string name = json_event.at("name");
-      char address = json_event.at("address").get<json::number_integer_t>();
-      int priority = json_event.at("priority").get<json::number_integer_t>();
+      char address = json_event.at("address").get<uint8_t>();
+      int priority = json_event.at("priority").get<uint8_t>();
 
       set_individual_bounce_time(json_event, bounce_time);
 
@@ -88,10 +89,45 @@ namespace
 
     if(it_bounce_time != json_event.end())
     {
-      bounce_time = it_bounce_time->get<json::number_integer_t>();
+      bounce_time = it_bounce_time->get<uint8_t>();
     }
   }
 
+  std::map<std::string, uint8_t> create_pin_map(std::istream &input_pin_stream)
+  {
+    std::map<std::string, uint8_t> input_pin_map;
+
+    json pin_config;
+    input_pin_stream >> pin_config;
+
+    try
+    {
+      json row_json = pin_config.at("row");
+      input_pin_map["row_address_A"] = row_json.at("A").get<uint8_t>();
+      input_pin_map["row_address_B"] = row_json.at("B").get<uint8_t>();
+      input_pin_map["row_address_C"] = row_json.at("C").get<uint8_t>();
+
+      json col_json = pin_config.at("col");
+      input_pin_map["col_address_A"] = col_json.at("A").get<uint8_t>();
+      input_pin_map["col_address_B"] = col_json.at("B").get<uint8_t>();
+      input_pin_map["col_address_C"] = col_json.at("C").get<uint8_t>();
+
+      input_pin_map["data_address"] = pin_config.at("data").get<uint8_t>();
+    }
+    catch(json::type_error &e)
+    {
+      CLOG(ERROR, INPUT_LOGGER) << "Input json corrupted! " << e.what();
+      exit(EXIT_FAILURE);
+    }
+    catch(json::out_of_range &e)
+    {
+      CLOG(ERROR, INPUT_LOGGER)  << "Input json corrupted! " << e.what();
+      exit(EXIT_FAILURE);
+    }
+
+    return input_pin_map;
+  }
+
 }
 }
 }
diff --git a/FlippR-Driver/src/input/InputDriverFactory.h b/FlippR-Driver/src/input/InputDriverFactory.h
index 394188e..a98017c 100644
--- a/FlippR-Driver/src/input/InputDriverFactory.h
+++ b/FlippR-Driver/src/input/InputDriverFactory.h
@@ -22,17 +22,19 @@ namespace input
 {
 namespace InputDriverFactory
 {
-  std::shared_ptr<IInputDriver> get_InputDriver(std::istream& input_config_stream, std::istream& matrix_config_stream);
+  std::shared_ptr<IInputDriver> get_InputDriver(std::istream &input_pin_stream, std::istream &matrix_config_stream);
 
   namespace
   {
-  static void create_events(nlohmann::json matrix_config,
+  static void create_events(std::istream &matrix_config,
                                   std::vector<std::shared_ptr<DistributingEvent>> &events,
                                   std::map<std::string, std::shared_ptr<Event>> &name_event_map,
                                   std::shared_ptr<IEventNotifier> event_notifier);
 
   static std::shared_ptr<DistributingEvent> create_event(nlohmann::json &json_event, std::shared_ptr<IEventNotifier> event_notifier, int bounce_time);
   static void set_individual_bounce_time(nlohmann::json &json_event, int &bounce_time);
+
+  static std::map<std::string, uint8_t> create_pin_map(std::istream &input_pin_stream);
   }
 };
 }
diff --git a/FlippR-Driver/src/input/InputGPIOInterface.cpp b/FlippR-Driver/src/input/InputGPIOInterface.cpp
index 477aafd..89f5ef5 100644
--- a/FlippR-Driver/src/input/InputGPIOInterface.cpp
+++ b/FlippR-Driver/src/input/InputGPIOInterface.cpp
@@ -5,14 +5,14 @@
  *      Author: Andreas Schneider, Johannes Wendel, Jonas Zeunert
  */
 
-#include <fstream>
+#include "InputGPIOInterface.h"
+
 #include <thread>
 
-#include "InputGPIOInterface.h"
 #include "json/json.hpp"
 #include "easylogging/easylogging++.h"
 #include "utility/config.h"
-#include <string>
+
 namespace flippR_driver
 {
 namespace input
@@ -20,14 +20,14 @@ namespace input
 
 using namespace nlohmann;
 
-InputGPIOInterface::InputGPIOInterface(std::istream &input_config)
-{
-  init_members(input_config);
 
+InputGPIOInterface::InputGPIOInterface(std::map<std::string, uint8_t> pins)
+ : pins(pins)
+{
   init_pins();
 }
 
-bool InputGPIOInterface::read_data(char pin)
+bool InputGPIOInterface::read_data(char pin) const
 {
   // setting address to read
   write_row(pin / INPUT_MATRIX_SIZE);
@@ -36,63 +36,36 @@ bool InputGPIOInterface::read_data(char pin)
   // wait for mux to set address
   std::this_thread::sleep_for(std::chrono::nanoseconds(INPUT_SLEEP_DURATION_NANO));
 
-  return read_pin(this->data_address);
+  return read_pin(this->pins.at("data_address"));
 }
 
-void InputGPIOInterface::write_row(char data)
+void InputGPIOInterface::write_row(char data) const
 {
-  write_pin(this->row_address_A, data & 0b001);
-  write_pin(this->row_address_B, data & 0b010);
-  write_pin(this->row_address_C, data & 0b100);
+  write_pin(this->pins.at("row_address_A"), data & 0b001);
+  write_pin(this->pins.at("row_address_B"), data & 0b010);
+  write_pin(this->pins.at("row_address_C"), data & 0b100);
 }
 
-void InputGPIOInterface::write_col(char data)
+void InputGPIOInterface::write_col(char data) const
 {
-  write_pin(this->col_address_A, data & 0b001);
-  write_pin(this->col_address_B, data & 0b010);
-  write_pin(this->col_address_C, data & 0b100);
+  write_pin(this->pins.at("col_address_A"), data & 0b001);
+  write_pin(this->pins.at("col_address_B"), data & 0b010);
+  write_pin(this->pins.at("col_address_C"), data & 0b100);
 }
 
-void InputGPIOInterface::init_members(std::istream &input_config_stream)
+
+
+void InputGPIOInterface::init_pins() const
 {
-  json input_config;
-  input_config_stream >> input_config;
+  initialize_output_pin(this->pins.at("col_address_A"));
+  initialize_output_pin(this->pins.at("col_address_B"));
+  initialize_output_pin(this->pins.at("col_address_C"));
 
-  try
-    {
-      json row_json = input_config.at("row");
-      row_address_A = row_json.at("A").get<json::number_integer_t>();
-      row_address_B = row_json.at("B").get<json::number_integer_t>();
-      row_address_C = row_json.at("C").get<json::number_integer_t>();
+  initialize_output_pin(this->pins.at("row_address_A"));
+  initialize_output_pin(this->pins.at("row_address_B"));
+  initialize_output_pin(this->pins.at("row_address_C"));
 
-      json col_json = input_config.at("col");
-      col_address_A = col_json.at("A").get<json::number_integer_t>();
-      col_address_B = col_json.at("B").get<json::number_integer_t>();
-      col_address_C = col_json.at("C").get<json::number_integer_t>();
-
-      data_address = input_config.at("data").get<json::number_integer_t>();
-    }
-  catch(json::type_error &e)
-    {
-      CLOG(ERROR, INPUT_LOGGER) << e.what();
-    }
-  catch(json::out_of_range &e)
-    {
-      CLOG(ERROR, INPUT_LOGGER) << e.what();
-    }
-}
-
-void InputGPIOInterface::init_pins()
-{
-  initialize_output_pin(col_address_A);
-  initialize_output_pin(col_address_B);
-  initialize_output_pin(col_address_C);
-
-  initialize_output_pin(row_address_A);
-  initialize_output_pin(row_address_B);
-  initialize_output_pin(row_address_C);
-
-  initialize_input_pin(data_address);
+  initialize_input_pin(this->pins.at("data_address"));
 }
 
 }
diff --git a/FlippR-Driver/src/input/InputGPIOInterface.h b/FlippR-Driver/src/input/InputGPIOInterface.h
index 1822d62..10d7c49 100644
--- a/FlippR-Driver/src/input/InputGPIOInterface.h
+++ b/FlippR-Driver/src/input/InputGPIOInterface.h
@@ -8,8 +8,11 @@
 #ifndef SRC_UTILITIES_INPUTGPIOINTERFACE_H_
 #define SRC_UTILITIES_INPUTGPIOINTERFACE_H_
 
-#include <exception>
 #include "IInputGPIOInterface.h"
+
+#include <istream>
+#include <map>
+
 #include "GPIOInterface.h"
 
 namespace flippR_driver
@@ -20,23 +23,17 @@ namespace input
 class InputGPIOInterface : public IInputGPIOInterface, GPIOInterface
 {
 public:
-  explicit InputGPIOInterface(std::istream &input_config);
-  bool read_data(char pin) override;
+  explicit InputGPIOInterface(std::map<std::string, uint8_t> pins);
+  bool read_data(char pin) const override;
 
 private:
-  void init_members(std::istream &input_config_stream);
-  void init_pins();
-  void write_row(char data);
-  void write_col(char data);
+  void init_pins() const;
+  void write_row(char data) const;
+  void write_col(char data) const;
 
 private:
-  char row_address_A;
-  char row_address_B;
-  char row_address_C;
-  char col_address_A;
-  char col_address_B;
-  char col_address_C;
-  char data_address;
+  const std::map<std::string, uint8_t> pins;
+
 };
 
 }
diff --git a/FlippR-Driver/src/output/DisplayController.cpp b/FlippR-Driver/src/output/DisplayController.cpp
index afaf63c..e49a66c 100644
--- a/FlippR-Driver/src/output/DisplayController.cpp
+++ b/FlippR-Driver/src/output/DisplayController.cpp
@@ -15,7 +15,7 @@ namespace output
 {
 
 DisplayController::DisplayController(std::vector<std::shared_ptr<items::IDisplay>> displays, std::shared_ptr<IOutputGPIOInterface> output_gpio_interface)
-  : displays(displays), output_gpio_interface(output_gpio_interface), is_running(true)
+  : displays(std::move(displays)), output_gpio_interface(std::move(output_gpio_interface)), is_running(true)
 {
   this->display_cycle_thread = std::thread(&DisplayController::cycle_displays, this);
 
diff --git a/FlippR-Driver/src/output/IDisplayController.h b/FlippR-Driver/src/output/IDisplayController.h
index ce26085..a376370 100644
--- a/FlippR-Driver/src/output/IDisplayController.h
+++ b/FlippR-Driver/src/output/IDisplayController.h
@@ -16,8 +16,7 @@ class IDisplayController
 {
 
 public:
-  IDisplayController ();
-  virtual ~IDisplayController ();
+  virtual ~IDisplayController () = default;
 };
 
 } /* namespace output */
diff --git a/FlippR-Driver/src/output/items/IDisplay.h b/FlippR-Driver/src/output/items/IDisplay.h
index cd1ded4..b6efc10 100644
--- a/FlippR-Driver/src/output/items/IDisplay.h
+++ b/FlippR-Driver/src/output/items/IDisplay.h
@@ -21,8 +21,7 @@ class IDisplay
 {
 
 public:
-	IDisplay();
-	virtual ~IDisplay();
+	virtual ~IDisplay() = default;
 
 	virtual std::vector<char> get_content() = 0;
 };
diff --git a/FlippR-Driver/src/output/items/IItem.h b/FlippR-Driver/src/output/items/IItem.h
index 32613ca..2ca16eb 100644
--- a/FlippR-Driver/src/output/items/IItem.h
+++ b/FlippR-Driver/src/output/items/IItem.h
@@ -20,7 +20,7 @@ namespace items
 class IItem
 {
 public:
-  virtual ~IItem();
+  virtual ~IItem() = default;
 
   virtual uint8_t get_address() = 0;
 };
diff --git a/FlippR-Driver/src/output/items/Item.h b/FlippR-Driver/src/output/items/Item.h
index 7277b15..5933916 100644
--- a/FlippR-Driver/src/output/items/Item.h
+++ b/FlippR-Driver/src/output/items/Item.h
@@ -26,7 +26,7 @@ class Item : public IItem
 {
 public:
   Item(std::shared_ptr<IOutputGPIOInterface> output_gpio_interface, uint8_t address, std::string name);
-  ~Item() override;
+  virtual ~Item() = default;
 
   uint8_t get_address() override;