diff --git a/FlippR-Driver/contrib/json_example/Solenoid_Config.json b/FlippR-Driver/contrib/json_example/Solenoid_Config.json
index ba39761..9e3b670 100644
--- a/FlippR-Driver/contrib/json_example/Solenoid_Config.json
+++ b/FlippR-Driver/contrib/json_example/Solenoid_Config.json
@@ -1,4 +1,5 @@
 {
+  "deactivation_time_milliseconds" : 10,
   "solenoids" :
   [
     { // todo is this solenoid?
diff --git a/FlippR-Driver/include/DriverFactory.h b/FlippR-Driver/include/DriverFactory.h
index 1ad5028..2350915 100644
--- a/FlippR-Driver/include/DriverFactory.h
+++ b/FlippR-Driver/include/DriverFactory.h
@@ -17,7 +17,8 @@ namespace flippR_driver
   std::shared_ptr<output::IOutputDriver> get_OutputDriver(std::istream &output_pin_config,
                                                           std::istream &lamp_config,
                                                           std::istream &solenoid_config,
-                                                          std::istream &sound_config);
+                                                          std::istream &sound_config,
+                                                          std::istream &display_config);
 }
 
 #endif //flippR_driver_DRIVERFACTORY_H
diff --git a/FlippR-Driver/include/output/items/ISolenoid.h b/FlippR-Driver/include/output/items/ISolenoid.h
index 676f40d..b4906c1 100644
--- a/FlippR-Driver/include/output/items/ISolenoid.h
+++ b/FlippR-Driver/include/output/items/ISolenoid.h
@@ -22,6 +22,7 @@ class ISolenoid : public IItem
 public:
   ~ISolenoid()
   {};
+
   virtual void trigger() = 0;
 };
 
diff --git a/FlippR-Driver/src/DriverFactory.cpp b/FlippR-Driver/src/DriverFactory.cpp
index 8b8b9c5..578516e 100644
--- a/FlippR-Driver/src/DriverFactory.cpp
+++ b/FlippR-Driver/src/DriverFactory.cpp
@@ -17,8 +17,9 @@ namespace flippR_driver
   std::shared_ptr<output::IOutputDriver> get_OutputDriver(std::istream &output_pin_config,
                                                           std::istream &lamp_config,
                                                           std::istream &solenoid_config,
-                                                          std::istream &sound_config)
+                                                          std::istream &sound_config,
+                                                          std::istream &display_config)
   {
-    return output::OutputDriverFactory::get_OutputDriver(output_pin_config, lamp_config, solenoid_config, sound_config);
+    return output::OutputDriverFactory::get_OutputDriver(output_pin_config, lamp_config, solenoid_config, sound_config, display_config);
   }
 }
diff --git a/FlippR-Driver/src/output/IOutputGPIOInterface.h b/FlippR-Driver/src/output/IOutputGPIOInterface.h
index ab666cf..0edcec9 100644
--- a/FlippR-Driver/src/output/IOutputGPIOInterface.h
+++ b/FlippR-Driver/src/output/IOutputGPIOInterface.h
@@ -7,7 +7,7 @@
 
 #include "IOutputGPIOInterface.h"
 
-#include "output/items/IDriverBoardItem.h"
+#include "output/items/IItem.h"
 #include "output/items/ISound.h"
 #include "output/items/IDisplay.h"
 #include <memory>
@@ -22,10 +22,10 @@ class IOutputGPIOInterface
 public:
   virtual ~IOutputGPIOInterface() = default;
 
-  virtual void activate(items::IDriverBoardItem *driver_board_item) = 0;
+  virtual void activate(items::IItem *driver_board_item) = 0;
   virtual void activate(items::ISound *sound) = 0;
 
-  virtual void deactivate(items::IDriverBoardItem *driver_board_item) = 0;
+  virtual void deactivate(items::IItem *driver_board_item) = 0;
   virtual void deactivate(items::ISound *sound) = 0;
 
   virtual void write_display(std::shared_ptr<output::items::IDisplay> display) = 0;
diff --git a/FlippR-Driver/src/output/OutputDriver.cpp b/FlippR-Driver/src/output/OutputDriver.cpp
index 1729707..dc99682 100644
--- a/FlippR-Driver/src/output/OutputDriver.cpp
+++ b/FlippR-Driver/src/output/OutputDriver.cpp
@@ -17,8 +17,8 @@ namespace output
 
 using namespace items;
 
-OutputDriver::OutputDriver(std::map<std::string, std::shared_ptr<ISolenoid>> solenoids, std::map<std::string, std::shared_ptr<ILamp>> lamps, std::map<char, std::shared_ptr<IDisplay>> displays, std::map<std::string, std::shared_ptr<ISound>> sounds)
-: solenoids(std::move(solenoids)), lamps(std::move(lamps)), displays(std::move(displays)), sounds(std::move(sounds))
+OutputDriver::OutputDriver(std::map<std::string, std::shared_ptr<ISolenoid>> solenoids, std::map<std::string, std::shared_ptr<ILamp>> lamps, std::map<std::string, std::shared_ptr<ISound>> sounds, std::map<char, std::shared_ptr<IDisplay>> displays)
+: solenoids(std::move(solenoids)), lamps(std::move(lamps)), sounds(std::move(sounds)), displays(std::move(displays))
 {}
 
 
diff --git a/FlippR-Driver/src/output/OutputDriver.h b/FlippR-Driver/src/output/OutputDriver.h
index 7e6448c..7212cbe 100644
--- a/FlippR-Driver/src/output/OutputDriver.h
+++ b/FlippR-Driver/src/output/OutputDriver.h
@@ -20,7 +20,7 @@ namespace output
 class OutputDriver : public IOutputDriver
 {
 public:
-  OutputDriver(std::map<std::string, std::shared_ptr<items::ISolenoid>> solenoids, std::map<std::string, std::shared_ptr<items::ILamp>> lamps, std::map<char, std::shared_ptr<items::IDisplay>> displays, std::map<std::string, std::shared_ptr<items::ISound>> sounds);
+  OutputDriver(std::map<std::string, std::shared_ptr<items::ISolenoid>> solenoids, std::map<std::string, std::shared_ptr<items::ILamp>> lamps,  std::map<std::string, std::shared_ptr<items::ISound>> sounds, std::map<char, std::shared_ptr<items::IDisplay>> displays);
 
   ~OutputDriver() override = default;
   // todo what is flipper_relay ?
@@ -37,8 +37,9 @@ public:
 private:
   const std::map<std::string, std::shared_ptr<items::ILamp>> lamps;
   const std::map<std::string, std::shared_ptr<items::ISolenoid>> solenoids;
-  const std::map<char, std::shared_ptr<items::IDisplay>> displays;
   const std::map<std::string, std::shared_ptr<items::ISound>> sounds;
+  
+  const std::map<char, std::shared_ptr<items::IDisplay>> displays;
 };
 
 } /* namespace output */
diff --git a/FlippR-Driver/src/output/OutputDriverFactory.cpp b/FlippR-Driver/src/output/OutputDriverFactory.cpp
index 7fe8659..82f6927 100644
--- a/FlippR-Driver/src/output/OutputDriverFactory.cpp
+++ b/FlippR-Driver/src/output/OutputDriverFactory.cpp
@@ -4,6 +4,9 @@
 
 #include "OutputDriverFactory.h"
 
+#include "OutputDriver.h"
+
+
 namespace flippR_driver
 {
 namespace output
@@ -16,7 +19,7 @@ namespace
 
 using namespace nlohmann;
 
-std::shared_ptr<IOutputDriver> get_OutputDriver(std::istream &output_pin_config, std::istream &solenoid_config, std::istream &lamp_config, std::istream &sound_config)
+std::shared_ptr<IOutputDriver> get_OutputDriver(std::istream &output_pin_config, std::istream &solenoid_config, std::istream &lamp_config, std::istream &sound_config, std::istream &display_config)
 {
   auto output_gpio_interface = create_OutputGPIOInterface(output_pin_config);
 
@@ -24,7 +27,9 @@ std::shared_ptr<IOutputDriver> get_OutputDriver(std::istream &output_pin_config,
   auto lamps = create_lamps(lamp_config, output_gpio_interface);
   auto sounds = create_sounds(sound_config, output_gpio_interface);
 
-  return std::make_shared<IOutputDriver>(solenoids, lamps, sounds);
+  auto displays = create_displays(display_config, output_gpio_interface);
+
+  return std::make_shared<OutputDriver>(solenoids, lamps, sounds, displays);
 }
 
 std::shared_ptr<OutputGPIOInterface> create_OutputGPIOInterface(std::istream &output_pin_config)
@@ -88,39 +93,85 @@ std::map<std::string, uint8_t> parse_pins_display(json &display_board_config)
   return std::map<std::string, uint8_t>();
 }
 
-std::map<std::string, std::shared_ptr<items::ISolenoid>> create_solenoids(std::istream &solenoid_config, std::shared_ptr<IOutputGPIOInterface> output_gpio_interface)
+std::map<std::string, std::shared_ptr<items::ISolenoid>> create_solenoids(std::istream &solenoid_config, std::shared_ptr<OutputGPIOInterface> output_gpio_interface)
 {
-  std::map<std::string, items::ISolenoid> solenoids;
+  std::map<std::string, std::shared_ptr<items::ISolenoid>> solenoids;
+
+  json solenoids_json;
+  solenoid_config >> solenoids_json;
+
+  auto deactivation_time = get_deactivation_time(solenoids_json);
+
+  for(auto &solenoid_json : solenoids_json)
+  {
+    auto solenoid = create_solenoid(solenoid_json, output_gpio_interface, deactivation_time);
+    solenoids.emplace(solenoid->Item::get_name(), solenoid_json);
+  }
   return solenoids;
 }
 
-std::map<std::string, std::shared_ptr<items::ILamp>> create_lamps(std::istream &lamp_config, std::shared_ptr<IOutputGPIOInterface> output_gpio_interface)
+std::map<std::string, std::shared_ptr<items::ILamp>> create_lamps(std::istream &lamp_config, std::shared_ptr<OutputGPIOInterface> output_gpio_interface)
 {
-  std::map<std::string, items::ILamp> lamps;
+  std::map<std::string, std::shared_ptr<items::ILamp>> lamps;
+
+  json lamps_json;
+  lamp_config >> lamps_json;
+
+  for(auto &lamp_json : lamps_json)
+  {
+    auto lamp = create_lamp(lamp_json, output_gpio_interface);
+    lamps.emplace(lamp->Item::get_name(), lamp);
+  }
+
   return lamps;
 }
 
-std::map<std::string, std::shared_ptr<items::ISound>> create_sounds(std::istream &sound_config, std::shared_ptr<IOutputGPIOInterface> output_gpio_interface)
+std::map<std::string, std::shared_ptr<items::ISound>> create_sounds(std::istream &sound_config, std::shared_ptr<OutputGPIOInterface> output_gpio_interface)
 {
   std::map<std::string, std::shared_ptr<items::ISound>> sounds;
 
   json sounds_json;
   sound_config >> sounds_json;
 
+  auto deactivation_time = get_deactivation_time(sounds_json);
+
   for(auto &sound_json : sounds_json)
   {
-    auto sound = create_sound(sound_json);
-    sounds.emplace(sound->get_name(), sound);
+    auto sound = create_sound(sound_json, output_gpio_interface, deactivation_time);
+    sounds.emplace(sound->Item::get_name(), sound);
   }
 
   return sounds;
 }
-std::shared_ptr<items::ISolenoid> create_solenoid(nlohmann::json &solenoid_json, std::shared_ptr<IOutputGPIOInterface> output_gpio_interface)
+
+std::chrono::milliseconds get_deactivation_time(nlohmann::json &json)
 {
-  return std::shared_ptr<items::ISolenoid>();
+  try
+  {
+    uint deactivation_time = json.at("deactivation_time_milliseconds").get<uint>();
+    return std::chrono::milliseconds(deactivation_time);
+  }
+  catch(json::type_error &e)
+  {
+    // todo log and exit
+  }
 }
 
-std::shared_ptr<items::Sound> create_sound(nlohmann::json &sound_json, std::shared_ptr<IOutputGPIOInterface> &output_gpio_interface, std::chrono::milliseconds deactivation_time)
+std::shared_ptr<items::Solenoid> create_solenoid(nlohmann::json &solenoid_json, std::shared_ptr<OutputGPIOInterface> output_gpio_interface, std::chrono::milliseconds deactivation_time)
+{
+  try
+  {
+    std::string name = solenoid_json.at("name");
+    uint8_t address = solenoid_json.at("address").get<uint8_t>();
+    return std::make_shared<items::Solenoid>(output_gpio_interface, address, name, deactivation_time);
+  }
+  catch(json::type_error &e)
+  {
+    // todo log and exit
+  }
+}
+
+std::shared_ptr<items::Sound> create_sound(nlohmann::json &sound_json, std::shared_ptr<OutputGPIOInterface> &output_gpio_interface, std::chrono::milliseconds deactivation_time)
 {
   try
   {
diff --git a/FlippR-Driver/src/output/OutputDriverFactory.h b/FlippR-Driver/src/output/OutputDriverFactory.h
index 9c33e85..44fb6f6 100644
--- a/FlippR-Driver/src/output/OutputDriverFactory.h
+++ b/FlippR-Driver/src/output/OutputDriverFactory.h
@@ -19,18 +19,22 @@ namespace output
 {
 namespace OutputDriverFactory
 {
-  std::shared_ptr<IOutputDriver> get_OutputDriver(std::istream &output_pin_config, std::istream &solenoid_config, std::istream &lamp_config, std::istream &sound_config);
+  std::shared_ptr<IOutputDriver> get_OutputDriver(std::istream &output_pin_config, std::istream &solenoid_config, std::istream &lamp_config, std::istream &sound_config, std::istream &display_config);
 
   namespace
   {
-    std::map<std::string, std::shared_ptr<items::ISolenoid>> create_solenoids(std::istream &solenoid_config, std::shared_ptr<IOutputGPIOInterface> output_gpio_interface);
-    std::shared_ptr<items::ISolenoid> create_solenoid(nlohmann::json &solenoid_json, std::shared_ptr<IOutputGPIOInterface> output_gpio_interface);
+    std::map<std::string, std::shared_ptr<items::ISolenoid>> create_solenoids(std::istream &solenoid_config, std::shared_ptr<OutputGPIOInterface> output_gpio_interface);
+    std::shared_ptr<items::Solenoid> create_solenoid(nlohmann::json &solenoid_json, std::shared_ptr<OutputGPIOInterface> output_gpio_interface, std::chrono::milliseconds deactivation_time);
 
-    std::map<std::string, std::shared_ptr<items::ILamp>> create_lamps(std::istream &lamp_config, std::shared_ptr<IOutputGPIOInterface> output_gpio_interface);
-    std::shared_ptr<items::ILamp> create_lamp(nlohmann::json &lamp_json, std::shared_ptr<IOutputGPIOInterface> output_gpio_interface);
+    std::map<std::string, std::shared_ptr<items::ILamp>> create_lamps(std::istream &lamp_config, std::shared_ptr<OutputGPIOInterface> output_gpio_interface);
+    std::shared_ptr<items::Lamp> create_lamp(nlohmann::json &lamp_json, std::shared_ptr<OutputGPIOInterface> output_gpio_interface);
 
-    std::map<std::string, std::shared_ptr<items::ISound>> create_sounds(std::istream &sound_config, std::shared_ptr<IOutputGPIOInterface> output_gpio_interface);
-    std::shared_ptr<items::ISound> create_sound(nlohmann::json &sound_json, std::shared_ptr<IOutputGPIOInterface> output_gpio_interface, std::chrono::milliseconds deactivation_time);
+    std::map<std::string, std::shared_ptr<items::ISound>> create_sounds(std::istream &sound_config, std::shared_ptr<OutputGPIOInterface> output_gpio_interface);
+    std::shared_ptr<items::Sound> create_sound(nlohmann::json &sound_json, std::shared_ptr<OutputGPIOInterface> output_gpio_interface, std::chrono::milliseconds deactivation_time);
+
+    std::chrono::milliseconds get_deactivation_time(nlohmann::json &json);
+
+    std::map<char, std::shared_ptr<items::IDisplay>> create_displays(std::istream &display_config, std::shared_ptr<OutputGPIOInterface> output_gpio_interface);
 
     std::shared_ptr<OutputGPIOInterface> create_OutputGPIOInterface(std::istream &output_pin_config);
     std::map<std::string, uint8_t> parse_pins_driver_board(nlohmann::json &driver_board_config);
diff --git a/FlippR-Driver/src/output/OutputGPIOInterface.cpp b/FlippR-Driver/src/output/OutputGPIOInterface.cpp
index e08e3e4..39f5208 100644
--- a/FlippR-Driver/src/output/OutputGPIOInterface.cpp
+++ b/FlippR-Driver/src/output/OutputGPIOInterface.cpp
@@ -45,7 +45,7 @@ void OutputGPIOInterface::initialize_i2c_addresses()
   mcp23017Setup(pins_display.at("pin_base"), pins_display.at("i2c_address"));
 }
 
-void OutputGPIOInterface::activate(output::items::ISoundItem *sound)
+void OutputGPIOInterface::activate(output::items::ISound *sound)
 {
   std::lock_guard<std::mutex> guard(output_item_mutex);
 
@@ -54,7 +54,7 @@ void OutputGPIOInterface::activate(output::items::ISoundItem *sound)
   fire_sound(true);
 }
 
-void OutputGPIOInterface::activate(output::items::IDriverBoardItem *driver_board_item)
+void OutputGPIOInterface::activate(output::items::IItem *driver_board_item)
 {
   std::lock_guard<std::mutex> guard(output_item_mutex);
 
@@ -63,7 +63,7 @@ void OutputGPIOInterface::activate(output::items::IDriverBoardItem *driver_board
   write_data(true);
 }
 
-void OutputGPIOInterface::deactivate(output::items::IDriverBoardItem *driver_board_item)
+void OutputGPIOInterface::deactivate(output::items::IItem *driver_board_item)
 {
   std::lock_guard<std::mutex> guard(output_item_mutex);
 
@@ -72,7 +72,7 @@ void OutputGPIOInterface::deactivate(output::items::IDriverBoardItem *driver_boa
   write_data(false);
 }
 
-void OutputGPIOInterface::deactivate(output::items::ISoundItem *sound)
+void OutputGPIOInterface::deactivate(output::items::ISound *sound)
 {
   std::lock_guard<std::mutex> guard(output_item_mutex);
 
diff --git a/FlippR-Driver/src/output/OutputGPIOInterface.h b/FlippR-Driver/src/output/OutputGPIOInterface.h
index 0dcf8df..4f9a867 100644
--- a/FlippR-Driver/src/output/OutputGPIOInterface.h
+++ b/FlippR-Driver/src/output/OutputGPIOInterface.h
@@ -32,10 +32,10 @@ public:
 
   ~OutputGPIOInterface() override = default;
 
-  void activate(items::IDriverBoardItem *driver_board_item) override;
+  void activate(items::IItem *driver_board_item) override;
   void activate(items::ISound *sound) override;
 
-  void deactivate(items::IDriverBoardItem *driver_board_item) override;
+  void deactivate(items::IItem *driver_board_item) override;
   void deactivate(items::ISound *sound) override;
 
   void write_display(std::shared_ptr<output::items::IDisplay> display) override;
diff --git a/FlippR-Driver/src/output/items/IDriverBoardItem.h b/FlippR-Driver/src/output/items/IDriverBoardItem.h
deleted file mode 100644
index c7d6e85..0000000
--- a/FlippR-Driver/src/output/items/IDriverBoardItem.h
+++ /dev/null
@@ -1,29 +0,0 @@
-//
-// Created by rhetenor on 23.11.18.
-//
-
-#ifndef FLIPPR_DRIVER_IDRIVERBOARDITEM_H
-#define FLIPPR_DRIVER_IDRIVERBOARDITEM_H
-
-#include "output/items/IItem.h"
-
-#include <cstdint>
-
-namespace flippR_driver
-{
-namespace output
-{
-namespace items
-{
-
-class IDriverBoardItem : public IItem
-{
-public:
-  ~IDriverBoardItem() override = default;
-};
-
-}
-}
-}
-
-#endif //FLIPPR_DRIVER_IDRIVERBOARDITEM_H
diff --git a/FlippR-Driver/src/output/items/Item.cpp b/FlippR-Driver/src/output/items/Item.cpp
index 8cb3477..62803de 100644
--- a/FlippR-Driver/src/output/items/Item.cpp
+++ b/FlippR-Driver/src/output/items/Item.cpp
@@ -21,6 +21,7 @@ uint8_t Item::get_address()
 {
   return this->address;
 }
+
 std::string Item::get_name()
 {
   return this->name;
diff --git a/FlippR-Driver/src/output/items/Lamp.h b/FlippR-Driver/src/output/items/Lamp.h
index 0433de3..179b3ca 100644
--- a/FlippR-Driver/src/output/items/Lamp.h
+++ b/FlippR-Driver/src/output/items/Lamp.h
@@ -10,7 +10,6 @@
 
 #include "Item.h"
 #include "output/items/ILamp.h"
-#include "IDriverBoardItem.h"
 
 namespace flippR_driver
 {
@@ -19,7 +18,7 @@ namespace output
 namespace items
 {
 
-class Lamp : public Item, ILamp, IDriverBoardItem
+class Lamp : public Item, public ILamp
 {
 public:
   Lamp(std::shared_ptr<IOutputGPIOInterface> output_gpio_interface, uint8_t address, std::string name);
diff --git a/FlippR-Driver/src/output/items/Solenoid.h b/FlippR-Driver/src/output/items/Solenoid.h
index 591604b..f8a3df3 100644
--- a/FlippR-Driver/src/output/items/Solenoid.h
+++ b/FlippR-Driver/src/output/items/Solenoid.h
@@ -10,7 +10,6 @@
 
 #include "output/items/ISolenoid.h"
 #include "Item.h"
-#include "IDriverBoardItem.h"
 
 #include <future>
 #include <chrono>
@@ -22,7 +21,7 @@ namespace output
 namespace items
 {
 
-class Solenoid : public Item, ISolenoid, IDriverBoardItem
+class Solenoid : public Item, public ISolenoid
 {
 public:
   Solenoid(std::shared_ptr<IOutputGPIOInterface> output_gpio_interface, u_int8_t address,  std::string name, std::chrono::milliseconds deactivation_time);
diff --git a/FlippR-Driver/src/output/items/Sound.h b/FlippR-Driver/src/output/items/Sound.h
index 5fc414b..c7b0771 100644
--- a/FlippR-Driver/src/output/items/Sound.h
+++ b/FlippR-Driver/src/output/items/Sound.h
@@ -24,7 +24,7 @@ namespace output
 namespace items
 {
 
-class Sound : public ISound, Item
+class Sound : public ISound, public Item
 {
 public:
 	u_int id;