diff --git a/lib/iictask/GwBME280.cpp b/lib/iictask/GwBME280.cpp
index 01e75f4..a1bca7d 100644
--- a/lib/iictask/GwBME280.cpp
+++ b/lib/iictask/GwBME280.cpp
@@ -1,6 +1,6 @@
 #include "GwBME280.h"
 #ifdef _GWIIC
-    #if defined(GWBME280) || defined(GWBME2801) || defined(GWBME2802)|| defined(GWBME2803)|| defined(GWBME2804)
+    #if defined(GWBME280) || defined(GWBME28011) || defined(GWBME28012)|| defined(GWBME28021)|| defined(GWBME28022)
         #define _GWBME280
     #else
         #undef _GWBME280
@@ -19,8 +19,8 @@
 #ifdef _GWBME280
 #define PRFX1 "BME28011"
 #define PRFX2 "BME28012"
-#define PRFX3 "BME28013"
-#define PRFX4 "BME28014"
+#define PRFX3 "BME28021"
+#define PRFX4 "BME28022"
 class BME280Config : public SensorBase{
     public:
     bool prAct=true;
@@ -154,7 +154,7 @@ class BME280Config : public SensorBase{
         }
         if (prefix == PRFX4)
         {
-            busId = 1;
+            busId = 2;
             addr = 0x77;
             #undef CG
             #define CG(name) CFG_GET(name, BME28022)
@@ -181,24 +181,28 @@ void registerBME280(GwApi *api,SensorList &sensors){
     {
         BME280Config *cfg=new BME280Config(api,PRFX1);
         sensors.add(api,cfg);
+        #pragma message "GWBME28011 defined"
     }
     #endif
     #if defined(GWBME28012)
     {
         BME280Config *cfg=new BME280Config(api,PRFX2);
         sensors.add(api,cfg);
+        #pragma message "GWBME28012 defined"
     }
     #endif
     #if defined(GWBME28021)
     {
         BME280Config *cfg=new BME280Config(api,PRFX3);
         sensors.add(api,cfg);
+        #pragma message "GWBME28021 defined"
     }
     #endif
     #if defined(GWBME28022)
     {
         BME280Config *cfg=new BME280Config(api,PRFX4);
         sensors.add(api,cfg);
+        #pragma message "GWBME28022 defined"
     }
     #endif
 }
diff --git a/lib/iictask/GwIicTask.cpp b/lib/iictask/GwIicTask.cpp
index 2fbb186..889d539 100644
--- a/lib/iictask/GwIicTask.cpp
+++ b/lib/iictask/GwIicTask.cpp
@@ -69,7 +69,7 @@ void runIicTask(GwApi *api){
             {
                 if (GWIIC_SDA < 0 || GWIIC_SCL < 0)
                 {
-                    LOG_DEBUG(GwLog::ERROR, "IIC 1 invalid config %d,%d",
+                    LOG_DEBUG(GwLog::ERROR, "IIC 1 invalid config sda=%d,scl=%d",
                               (int)GWIIC_SDA, (int)GWIIC_SCL);
                 }
                 else
@@ -77,12 +77,14 @@ void runIicTask(GwApi *api){
                     bool rt = Wire.begin(GWIIC_SDA, GWIIC_SCL);
                     if (!rt)
                     {
-                        LOG_DEBUG(GwLog::ERROR, "unable to initialize IIC 1 at %d,%d",
+                        LOG_DEBUG(GwLog::ERROR, "unable to initialize IIC 1 at sad=%d,scl=%d",
                                   (int)GWIIC_SDA, (int)GWIIC_SCL);
                     }
                     else
                     {
                         buses[busId] = &Wire;
+                        LOG_DEBUG(GwLog::ERROR, "initialized IIC 1 at sda=%d,scl=%d",
+                                  (int)GWIIC_SDA, (int)GWIIC_SCL);
                     }
                 }
             }
@@ -91,7 +93,7 @@ void runIicTask(GwApi *api){
             {
                 if (GWIIC_SDA2 < 0 || GWIIC_SCL2 < 0)
                 {
-                    LOG_DEBUG(GwLog::ERROR, "IIC 2 invalid config %d,%d",
+                    LOG_DEBUG(GwLog::ERROR, "IIC 2 invalid config sda=%d,scl=%d",
                               (int)GWIIC_SDA2, (int)GWIIC_SCL2);
                 }
                 else
@@ -100,12 +102,14 @@ void runIicTask(GwApi *api){
                     bool rt = Wire1.begin(GWIIC_SDA2, GWIIC_SCL2);
                     if (!rt)
                     {
-                        LOG_DEBUG(GwLog::ERROR, "unable to initialize IIC 2 at %d,%d",
+                        LOG_DEBUG(GwLog::ERROR, "unable to initialize IIC 2 at sda=%d,scl=%d",
                                   (int)GWIIC_SDA2, (int)GWIIC_SCL2);
                     }
                     else
                     {
                         buses[busId] = &Wire1;
+                        LOG_DEBUG(GwLog::LOG, "initialized IIC 2 at sda=%d,scl=%d",
+                                  (int)GWIIC_SDA2, (int)GWIIC_SCL2);
                     }
                 }
             }
@@ -129,7 +133,7 @@ void runIicTask(GwApi *api){
             continue;
         }
         TwoWire *wire=bus->second;
-        bool rt=cfg->initDevice(api,&Wire);
+        bool rt=cfg->initDevice(api,wire);
         if (rt){
             runLoop=true;
             timers.addAction(cfg->intv,[wire,api,cfg,counterId](){
diff --git a/lib/iictask/GwSHT3X.cpp b/lib/iictask/GwSHT3X.cpp
index f4dc62e..3bda811 100644
--- a/lib/iictask/GwSHT3X.cpp
+++ b/lib/iictask/GwSHT3X.cpp
@@ -29,7 +29,7 @@ class SHT3XConfig : public SensorBase{
     }
     virtual bool preinit(GwApi * api){
         GwLog *logger=api->getLogger();
-        LOG_DEBUG(GwLog::LOG,"SHT3X configured");
+        LOG_DEBUG(GwLog::LOG,"%s configured",prefix.c_str());
         api->addCapability(prefix,"true");
         addHumidXdr(api,*this);
         addTempXdr(api,*this);
@@ -46,7 +46,7 @@ class SHT3XConfig : public SensorBase{
             double temp = device->cTemp;
             temp = CToKelvin(temp);
             double humid = device->humidity;
-            LOG_DEBUG(GwLog::DEBUG, "SHT3X measure temp=%2.1f, humid=%2.0f", (float)temp, (float)humid);
+            LOG_DEBUG(GwLog::DEBUG, "%s measure temp=%2.1f, humid=%2.0f",prefix.c_str(), (float)temp, (float)humid);
             if (huAct)
             {
                 sendN2kHumidity(api, *this, humid, counterId);
@@ -58,7 +58,7 @@ class SHT3XConfig : public SensorBase{
         }
         else
         {
-            LOG_DEBUG(GwLog::DEBUG, "unable to query SHT3X: %d", rt);
+            LOG_DEBUG(GwLog::DEBUG, "unable to query %s: %d",prefix.c_str(), rt);
         }
     }
     /**