diff --git a/FlippR-Driver/contrib/json_example/output/Lamp_Config.json b/FlippR-Driver/contrib/json_example/output/Lamp_Config.json
index 6e60bbd..a8a8191 100644
--- a/FlippR-Driver/contrib/json_example/output/Lamp_Config.json
+++ b/FlippR-Driver/contrib/json_example/output/Lamp_Config.json
@@ -303,7 +303,7 @@
     },
     {
       "address" : 50,
-      "name" : "Bonux Multiplier x50"
+      "name" : "Bonus Multiplier x50"
     },
     {
       "address" : 51,
diff --git a/FlippR-Driver/contrib/json_example/output/Solenoid_Config.json b/FlippR-Driver/contrib/json_example/output/Solenoid_Config.json
index cc174de..a024e3e 100644
--- a/FlippR-Driver/contrib/json_example/output/Solenoid_Config.json
+++ b/FlippR-Driver/contrib/json_example/output/Solenoid_Config.json
@@ -11,7 +11,7 @@
   "flippers" :
   [
     {
-      "address" : 59,
+      "address" : 60,
       "name" : "Flipper Relay"
     },
     { 
diff --git a/FlippR-Driver/networking/output/OutputRequestHandler.cpp b/FlippR-Driver/networking/output/OutputRequestHandler.cpp
index eb17bc3..5bf5cc0 100644
--- a/FlippR-Driver/networking/output/OutputRequestHandler.cpp
+++ b/FlippR-Driver/networking/output/OutputRequestHandler.cpp
@@ -84,7 +84,7 @@ void OutputRequestHandler::handleRequest(HTTPServerRequest &request,
       json_response->stringify(ostr);
     }
   }
-  catch(const NotFoundException &e)
+  catch(const Poco::NotFoundException &e)
   {
     response.setStatusAndReason(HTTPServerResponse::HTTP_NOT_FOUND, e.displayText());
   }
@@ -92,6 +92,10 @@ void OutputRequestHandler::handleRequest(HTTPServerRequest &request,
   {
     response.setStatusAndReason(HTTPServerResponse::HTTP_BAD_REQUEST, e.displayText());
   }
+  catch(const std::exception &e)
+  {
+    response.setStatusAndReason(HTTPServerResponse::HTTP_BAD_REQUEST, e.what());
+  }
 }
 
 boost::optional<Poco::JSON::Object> OutputRequestHandler::parseRequest(const std::string& item_type, const std::string& item_name, const std::string& action, const std::string& score)
diff --git a/FlippR-Driver/src/output/detail/DriverBoardPinController.cpp b/FlippR-Driver/src/output/detail/DriverBoardPinController.cpp
index 0cf951d..d7a5767 100644
--- a/FlippR-Driver/src/output/detail/DriverBoardPinController.cpp
+++ b/FlippR-Driver/src/output/detail/DriverBoardPinController.cpp
@@ -9,6 +9,8 @@
 
 #include "utility/config.h"
 
+#include <string>
+
 namespace flippR_driver
 {
 namespace output
@@ -56,6 +58,7 @@ void DriverBoardPinController::deactivate(items::DriverBoardItem &driver_board_i
 
 void DriverBoardPinController::select_address(uint8_t address)
 {
+  CLOG(DEBUG, OUTPUT_LOGGER) << "Select address " << std::to_string(address);
   address = address % 8;
   write_pin(this->address_pins[0], address & 0b001);
   write_pin(this->address_pins[1], address & 0b010);
@@ -64,6 +67,7 @@ void DriverBoardPinController::select_address(uint8_t address)
 
 void DriverBoardPinController::select_mux(uint8_t mux)
 {
+  CLOG(DEBUG, OUTPUT_LOGGER) << "Select mux " << std::to_string(mux);
   write_pin(this->mux_enable_pins[mux], 0);
 }
 
diff --git a/FlippR-Driver/src/output/detail/OutputDriver.cpp b/FlippR-Driver/src/output/detail/OutputDriver.cpp
index 4842be1..ba7240d 100644
--- a/FlippR-Driver/src/output/detail/OutputDriver.cpp
+++ b/FlippR-Driver/src/output/detail/OutputDriver.cpp
@@ -129,27 +129,47 @@ std::vector<std::shared_ptr<Solenoid>> OutputDriver::get_solenoids() const
 
 boost::optional<std::shared_ptr<items::Lamp>> OutputDriver::get_lamp(const std::string &name) const
 {
-  return this->lamps.find(name)->second;
+  auto lamp = this->lamps.find(name);
+  if(lamp == this->lamps.end()) {
+      return boost::optional<std::shared_ptr<items::Lamp>>();
+  }
+  return lamp->second;
 }
 
 boost::optional<std::shared_ptr<items::Solenoid>> OutputDriver::get_solenoid(const std::string &name) const
 {
-  return this->solenoids.find(name)->second;
+    auto solenoid = this->solenoids.find(name);
+    if(solenoid == this->solenoids.end()) {
+        return boost::optional<std::shared_ptr<items::Solenoid>>();
+    }
+  return solenoid->second;
 }
 
 boost::optional<std::shared_ptr<items::Sound>> OutputDriver::get_sound(const std::string &name) const
 {
-  return this->sounds.find(name)->second;
+    auto sound = this->sounds.find(name);
+    if(sound == this->sounds.end()) {
+        return boost::optional<std::shared_ptr<items::Sound>>();
+    }
+  return sound->second;
 }
 
 boost::optional<std::shared_ptr<items::Flipper>> OutputDriver::get_flipper(const std::string &name) const
 {
-  return this->flippers.find(name)->second;
+    auto flipper = this->flippers.find(name);
+    if(flipper == this->flippers.end()) {
+        return boost::optional<std::shared_ptr<items::Flipper>>();
+    }
+  return flipper->second;
 }
 
 boost::optional<std::shared_ptr<items::Display>> OutputDriver::get_display(const std::string &name) const
 {
-  return this->displays.find(name)->second;
+    auto display = this->displays.find(name);
+    if(display == this->displays.end()) {
+        return boost::optional<std::shared_ptr<items::Display>>();
+    }
+  return display->second;
 }
 
 void OutputDriver::shut_down_driver() const