diff --git a/FlippR-Driver/src/output/items/OutputItem.cpp b/FlippR-Driver/src/output/items/OutputItem.cpp
index e8aa639..f9f0685 100644
--- a/FlippR-Driver/src/output/items/OutputItem.cpp
+++ b/FlippR-Driver/src/output/items/OutputItem.cpp
@@ -17,12 +17,12 @@ OutputItem::OutputItem(std::shared_ptr<utility::IOutputGPIOInterface> output_gpi
 
 void OutputItem::activate()
 {
-
+  output_gpio_interface->activate_output_item(this);
 }
 
 void OutputItem::deactivate()
 {
-
+  output_gpio_interface->deactivate_output_item(this);
 }
 
 }
diff --git a/FlippR-Driver/src/output/items/OutputItem.h b/FlippR-Driver/src/output/items/OutputItem.h
index e14b8c9..2264427 100644
--- a/FlippR-Driver/src/output/items/OutputItem.h
+++ b/FlippR-Driver/src/output/items/OutputItem.h
@@ -28,10 +28,11 @@ public:
   OutputItem(std::shared_ptr<utility::IOutputGPIOInterface> output_gpio_interface, unsigned int address, unsigned int i2c_address, unsigned int data_pin_address, std::string name);
   virtual ~OutputItem();
 
-protected:
+public:
   const unsigned int address, i2c_address, data_pin_address;
   const std::string name;
 
+protected:
   const std::shared_ptr<utility::IOutputGPIOInterface> output_gpio_interface;
 
 protected:
diff --git a/FlippR-Driver/src/utility/OutputGPIOInterface.h b/FlippR-Driver/src/utility/OutputGPIOInterface.h
index 961bb5e..adfc2cb 100644
--- a/FlippR-Driver/src/utility/OutputGPIOInterface.h
+++ b/FlippR-Driver/src/utility/OutputGPIOInterface.h
@@ -23,8 +23,8 @@ class OutputGPIOInterface : public GPIOInterface
 {
 
 public:
-  void activate_output_item(output::items::OutputItem &item);
-  void deactivate_output_item(output::items::OutputItem &item);
+  void activate_output_item(output::items::OutputItem *item);
+  void deactivate_output_item(output::items::OutputItem *item);
 
   void write_display(Display &display);