diff --git a/onewire/integrationpluginonewire.cpp b/onewire/integrationpluginonewire.cpp
index a423bde2..958ebe12 100644
--- a/onewire/integrationpluginonewire.cpp
+++ b/onewire/integrationpluginonewire.cpp
@@ -312,23 +312,29 @@ void IntegrationPluginOneWire::onPluginTimer()
         if (thing->thingClassId() == temperatureSensorThingClassId) {
             QByteArray address = thing->paramValue(temperatureSensorThingAddressParamTypeId).toByteArray();
             double temperature = 0;
+            bool connected = false;
             if (m_owfsInterface) {
                temperature = m_owfsInterface->getTemperature(address);
+               connected = m_owfsInterface->isConnected(address);
             } else if (m_w1Interface) {
                 temperature = m_w1Interface->getTemperature(address);
+                connected = m_w1Interface->deviceAvailable(address);
              }
             thing->setStateValue(temperatureSensorTemperatureStateTypeId, temperature);
+            thing->setStateValue(temperatureSensorConnectedStateTypeId, connected);
         }
 
         if (thing->thingClassId() == singleChannelSwitchThingClassId) {
             QByteArray address = thing->paramValue(singleChannelSwitchThingAddressParamTypeId).toByteArray();
             thing->setStateValue(singleChannelSwitchDigitalOutputStateTypeId, m_owfsInterface->getSwitchOutput(address, Owfs::SwitchChannel::PIO_A));
+             thing->setStateValue(singleChannelSwitchConnectedStateTypeId, m_owfsInterface->isConnected(address));
         }
 
         if (thing->thingClassId() == dualChannelSwitchThingClassId) {
             QByteArray address = thing->paramValue(dualChannelSwitchThingAddressParamTypeId).toByteArray();
             thing->setStateValue(dualChannelSwitchDigitalOutput1StateTypeId, m_owfsInterface->getSwitchOutput(address, Owfs::SwitchChannel::PIO_A));
             thing->setStateValue(dualChannelSwitchDigitalOutput2StateTypeId, m_owfsInterface->getSwitchOutput(address, Owfs::SwitchChannel::PIO_B));
+            thing->setStateValue(dualChannelSwitchConnectedStateTypeId, m_owfsInterface->isConnected(address));
         }
 
         if (thing->thingClassId() == eightChannelSwitchThingClassId) {
@@ -341,6 +347,7 @@ void IntegrationPluginOneWire::onPluginTimer()
             thing->setStateValue(eightChannelSwitchDigitalOutput6StateTypeId, m_owfsInterface->getSwitchOutput(address, Owfs::SwitchChannel::PIO_F));
             thing->setStateValue(eightChannelSwitchDigitalOutput7StateTypeId, m_owfsInterface->getSwitchOutput(address, Owfs::SwitchChannel::PIO_G));
             thing->setStateValue(eightChannelSwitchDigitalOutput8StateTypeId, m_owfsInterface->getSwitchOutput(address, Owfs::SwitchChannel::PIO_H));
+            thing->setStateValue(eightChannelSwitchConnectedStateTypeId, m_owfsInterface->isConnected(address));
         }
     }
 }
diff --git a/onewire/integrationpluginonewire.json b/onewire/integrationpluginonewire.json
index 834091c7..f4979797 100644
--- a/onewire/integrationpluginonewire.json
+++ b/onewire/integrationpluginonewire.json
@@ -68,6 +68,14 @@
                         }
                     ],
                     "stateTypes": [
+                        {
+                            "id": "32305a16-b042-4574-8bd7-ad99d9e8e5da",
+                            "name": "connected",
+                            "displayName": "connected",
+                            "displayNameEvent": "connected changed",
+                            "defaultValue": false,
+                            "type": "bool"
+                        },
                         {
                             "id": "b04ee2a5-9b27-4ffc-9e12-7e05f5a41690",
                             "name": "temperature",
@@ -102,7 +110,15 @@
                             "readOnly": true
                         }
                     ],
-                    "stateTypes": [
+                    "stateTypes": [                      
+                        {
+                            "id": "16bae8e8-bfe1-4648-9018-f6ce610f4236",
+                            "name": "connected",
+                            "displayName": "connected",
+                            "displayNameEvent": "connected changed",
+                            "defaultValue": false,
+                            "type": "bool"
+                        },
                         {
                             "id": "ca10a9fd-e4e0-4608-a2d2-6a4ce9644f40",
                             "name": "digitalOutput",
@@ -139,6 +155,14 @@
                         }
                     ],
                     "stateTypes": [
+                        {
+                            "id": "fb6e63db-316b-4959-a349-0ff58a679f71",
+                            "name": "connected",
+                            "displayName": "connected",
+                            "displayNameEvent": "connected changed",
+                            "defaultValue": false,
+                            "type": "bool"
+                        },
                         {
                             "id": "f8b6b4a7-355c-4580-a676-8a4d0d619ff9",
                             "name": "digitalOutput1",
@@ -186,6 +210,14 @@
                         }
                     ],
                     "stateTypes": [
+                        {
+                            "id": "b99585e0-5147-46e3-9474-fba555bac68a",
+                            "name": "connected",
+                            "displayName": "connected",
+                            "displayNameEvent": "connected changed",
+                            "defaultValue": false,
+                            "type": "bool"
+                        },
                         {
                             "id": "78fa12c0-246c-4112-8be6-5943d3c3cda5",
                             "name": "digitalOutput1",
diff --git a/onewire/owfs.cpp b/onewire/owfs.cpp
index 739f82bb..701fedac 100644
--- a/onewire/owfs.cpp
+++ b/onewire/owfs.cpp
@@ -111,11 +111,16 @@ bool Owfs::discoverDevices()
 bool Owfs::interfaceIsAvailable()
 {
     return true;
+    //TODO
+    //QByteArray fullPath;
+    //fullPath.append(m_path);
+    //if(OW_present(fullPath) < 0)
+    //   return false;
+    //return true;
 }
 
 bool Owfs::isConnected(const QByteArray &address)
 {
-    Q_UNUSED(address)
     QByteArray fullPath;
     fullPath.append(m_path);
     fullPath.append(address);
diff --git a/onewire/w1.cpp b/onewire/w1.cpp
index 1d93d991..34ea7c11 100644
--- a/onewire/w1.cpp
+++ b/onewire/w1.cpp
@@ -66,12 +66,17 @@ bool W1::interfaceIsAvailable()
     return w1SysFSDir.exists();
 }
 
+bool W1::deviceAvailable(const QString &address)
+{
+   QDir temperatureSensor("/sys/bus/w1/devices/"+address);
+   return temperatureSensor.exists();
+}
+
 double W1::getTemperature(const QString &address)
 {
     QDir temperatureSensor("/sys/bus/w1/devices/"+address);
     if (temperatureSensor.exists()) {
-        qCDebug(dcOneWire()) << "Temperature" << address;
-        QFile temperature(temperatureSensor.dirName()+"/temperature");
+        QFile temperature(temperatureSensor.path() +"/temperature");
         if (!temperature.exists()) {
             qCWarning(dcOneWire()) << "Directory doesn't exist" << temperature.fileName();
         }
diff --git a/onewire/w1.h b/onewire/w1.h
index 2d009784..597eb307 100644
--- a/onewire/w1.h
+++ b/onewire/w1.h
@@ -44,6 +44,7 @@ public:
 
     QStringList discoverDevices();
     bool interfaceIsAvailable();
+    bool deviceAvailable(const QString &address);
     double getTemperature(const QString &address);
 
 private: