diff --git a/build-flags/build_flags_stm32 b/build-flags/build_flags_stm32
index a00350a..16d1315 100644
--- a/build-flags/build_flags_stm32
+++ b/build-flags/build_flags_stm32
@@ -12,6 +12,8 @@
 
 -DENABLE_HWSERIAL1
 -DdebugSerialPort=Serial1
+-D TIMER_INT
+
 
 #-DFLASH_BASE_ADDRESS
 #-DFLASH_DATA_SECTOR 
diff --git a/build-flags/build_flags_stm32-noip b/build-flags/build_flags_stm32-noip
index 263c950..78aa547 100644
--- a/build-flags/build_flags_stm32-noip
+++ b/build-flags/build_flags_stm32-noip
@@ -17,7 +17,7 @@
 -D THERMOSTAT_CHECK_PERIOD=5000
 -D ULTRASONIC
 
-
+-D TIMER_INT
 -DENABLE_HWSERIAL1
 -DdebugSerialPort=Serial1
 
diff --git a/lighthub/abstractch.h b/lighthub/abstractch.h
index 01d65d9..7f8bf3e 100644
--- a/lighthub/abstractch.h
+++ b/lighthub/abstractch.h
@@ -19,8 +19,8 @@ public:
 
 
 protected:
-virtual int publishTopic(const char* topic, long value, const char* subtopic = NULL);
-virtual int publishTopic(const char* topic, float value, const char* subtopic = NULL );
-virtual int publishTopic(const char* topic, const char * value, const char* subtopic = NULL);
-//friend Input;
+int publishTopic(const char* topic, long value, const char* subtopic = NULL);
+int publishTopic(const char* topic, float value, const char* subtopic = NULL );
+int publishTopic(const char* topic, const char * value, const char* subtopic = NULL);
+
 };
diff --git a/lighthub/abstractout.cpp b/lighthub/abstractout.cpp
index e744500..45ec28f 100644
--- a/lighthub/abstractout.cpp
+++ b/lighthub/abstractout.cpp
@@ -1,5 +1,3 @@
-
-
 #include "item.h"
 #include "abstractout.h"
 #include "itemCmd.h"
diff --git a/lighthub/abstractout.h b/lighthub/abstractout.h
index 5cde9ed..7140d0c 100644
--- a/lighthub/abstractout.h
+++ b/lighthub/abstractout.h
@@ -7,7 +7,9 @@ class Item;
 class chPersistent {};
 class abstractOut  : public abstractCh{
 public:
-    abstractOut(Item * _item):abstractCh(){item=_item;};
+    //abstractOut(Item * _item):abstractCh(){item=_item;};
+    abstractOut():item(NULL){};
+    virtual void link(Item * _item){item=_item;};
     virtual int Ctrl(itemCmd cmd,  char* subItem=NULL, bool toExecute=true, bool authorized = false) =0;
     virtual int isActive();
     virtual bool isAllowed(itemCmd cmd){return true;};
@@ -17,8 +19,10 @@ public:
     virtual int Status() override;
     virtual void setStatus(uint8_t status) override;
     int Setup()  override;  
+    Item * getItem() {return item;}
 protected:
     int pubAction(bool state);
 
       Item * item;
 };
+
diff --git a/lighthub/candriver.cpp b/lighthub/candriver.cpp
index 724e9cc..22e0c0f 100644
--- a/lighthub/candriver.cpp
+++ b/lighthub/candriver.cpp
@@ -522,16 +522,14 @@ else //Requests
         if ((id.payloadType == payloadType::itemCommand) && (len ==8))
             {
                 Item it(id.itemId,id.subItemId);
-                if (it.isValid())
-                    {
-                        itemCmd ic;
-                        ic.cmd = packet->cmd;
-                        ic.param = packet->param;
-                        //debugSerial<<F("CAN: itemCmd: ");
+                if (!it.isValid()) return false;
+
+                itemCmd ic;
+                ic.cmd = packet->cmd;
+                ic.param = packet->param;   
+                         //debugSerial<<F("CAN: itemCmd: ");
                         //ic.debugOut();
-                        return it.Ctrl(ic,it.getSubItemStrById(id.subItemId));
-                    }
-               return false;
+                return it.Ctrl(ic,it.getSubItemStrById(id.subItemId));
             }
         else if ((id.payloadType == payloadType::lookupMAC) && (len>=6))
             {             
@@ -749,7 +747,17 @@ bool canDriver::sendCommand(aJsonObject * can, itemCmd cmd, bool status)
              int suffix=txt2subItem(sfx->valuestring);
              if (suffix) cmd.setSuffix(suffix);
             }
-         if (subItemObj && subItemObj->type==aJson_Int && subItemObj->valueint>=0 && subItemObj->valueint<63) subItem=subItemObj->valueint;
+
+         if (subItemObj)
+            switch (subItemObj->type)
+            {
+             case  aJson_Int: 
+                   if (subItemObj->valueint>=0 && subItemObj->valueint<SUBITEM_IS_COMMAND) subItem=subItemObj->valueint;
+             break;
+             case  aJson_String:
+             int suffix=txt2cmd(subItemObj->valuestring);
+             if (suffix) subItem = suffix | SUBITEM_IS_COMMAND;
+            }   
 
         if (dev && it && dev->type == aJson_Int && it->type == aJson_Int)
             return sendCommand(dev->valueint, it->valueint, cmd, status,subItem); 
diff --git a/lighthub/candriver.h b/lighthub/candriver.h
index 999b736..652ac21 100644
--- a/lighthub/candriver.h
+++ b/lighthub/candriver.h
@@ -1,5 +1,6 @@
 #pragma once
 #define NO_SUBITEM 63
+#define SUBITEM_IS_COMMAND 0x20
 #ifdef  CANDRV
 
 #if defined(ARDUINO_ARCH_STM32)
diff --git a/lighthub/colorchannel.h b/lighthub/colorchannel.h
index 26807d1..a0575d4 100644
--- a/lighthub/colorchannel.h
+++ b/lighthub/colorchannel.h
@@ -9,11 +9,13 @@
 class colorChannel : public abstractOut {
 public:
 
-    colorChannel(Item * _item):abstractOut(_item) {
+    colorChannel():iaddr(0),numArgs(0) {};
+    void link (Item * _item) {
+                          abstractOut::link(_item); 
                           iaddr = item->getArg();        //Once retrieve and store base address
                           if (iaddr<0) iaddr=-iaddr;
                           numArgs = item->getArgCount(); // and how many addresses is configured
-                        };
+                        };                       
     int Ctrl(itemCmd cmd, char* subItem=NULL, bool toExecute=true, bool authorized=false) override;
     //int getDefaultStorageType()override;
     virtual int PixelCtrl(itemCmd cmd, char* subItem=NULL, bool show=true, bool authorized = false ) =0;
diff --git a/lighthub/item.cpp b/lighthub/item.cpp
index 2f87202..49320fe 100644
--- a/lighthub/item.cpp
+++ b/lighthub/item.cpp
@@ -83,6 +83,7 @@ extern PubSubClient mqttClient;
 extern int8_t ethernetIdleCount;
 extern int8_t configLocked;
 extern lan_status lanStatus;
+driverFactory df;
 
 int retrieveCode(char **psubItem);
 
@@ -172,7 +173,8 @@ void Item::Parse() {
         if (cmdObj) itemExt = cmdObj->next;
 
         itemType = replaceTypeToInt (itemTypeObj);
-
+        driver=df.getDriver(this);
+/*
         switch (itemType)
         {
 #ifndef  PWM_DISABLE            
@@ -265,14 +267,13 @@ void Item::Parse() {
           break;
 #endif
           default: ;
-        }
+        } */
 //        debugSerial << F(" Item:") << itemArr->name << F(" T:") << itemType << F(" =") << getArg() << endl;
  }
 }
 
 boolean Item::Setup()
 {
-
 if (driver)
        {
         if (driver->Status()) driver->Stop();
@@ -287,7 +288,7 @@ else return false;
 }
 
 void Item::Stop()
-{
+{ 
 if (driver)
        {
         driver->Stop();
@@ -299,7 +300,7 @@ Item::~Item()
 {
   if (driver)
               {
-              delete driver;
+              df.freeDriver (this);
               }
 }
 
@@ -356,7 +357,7 @@ uint16_t getCanNum(aJsonObject* verb)
 
 char * Item::getSubItemStrById(uint8_t subItem)
 {
-if (subItem == NO_SUBITEM) return NULL;
+if (subItem == NO_SUBITEM || (subItem | SUBITEM_IS_COMMAND)) return NULL;
 if (!itemArg) return NULL;
 aJsonObject * i = itemArg;
 if (i->type == aJson_Array) i=i->child;
@@ -421,8 +422,16 @@ return NO_SUBITEM;
                     {
                         debugSerial<<"Find item: "<< itemArr->name << " addr:" << num << endl;
                         Parse();
-                        char * subItemStr = getSubItemStrById(subItem);
-                        if (subItemStr) strncpy(defaultSubItem,subItemStr,sizeof(defaultSubItem)); 
+                        if (subItem | SUBITEM_IS_COMMAND)
+                        {
+                          subItem &=~ SUBITEM_IS_COMMAND;
+                          if (subItem<commandsNum) strncpy_P(defaultSubItem, commands_P[subItem], sizeof(defaultSubItem));
+                        }
+                        else 
+                        {
+                         char * subItemStr = getSubItemStrById(subItem);
+                         if (subItemStr) strncpy(defaultSubItem,subItemStr,sizeof(defaultSubItem)); 
+                        }                    
                         return;
                     }
             itemArr = itemArr->next;
@@ -899,8 +908,8 @@ bool Item::digGroup (aJsonObject *itemArr, itemCmd *cmd, char* subItem, bool aut
                                                     configLocked--;    
                                                     return true; //Not execution, just activity check. If any channel is active - return true
                                                     }
+                                        }           
                                } 
-                    }    
                     break;
                     case aJson_Object:
                     case aJson_Array:
@@ -1091,6 +1100,7 @@ int Item::Ctrl(itemCmd cmd,  char* subItem, bool allowRecursion, bool authorized
     long status2Send = 0;
     uint8_t  command2Set = 0;
     itemCmd  originalCmd = cmd;
+    int subitemCmd = subitem2cmd(subItem);
 
     /// Common (GRP & NO GRP) commands
     switch (cmd.getCmd()) 
@@ -1228,6 +1238,13 @@ int Item::Ctrl(itemCmd cmd,  char* subItem, bool allowRecursion, bool authorized
                                status2Send |= FLAG_PARAMETERS | FLAG_SEND_DEFFERED;  
                                cmd.setSuffix(S_SET);  
                              } else {cmd=fallbackCmd;invalidArgument=true; errorSerial << F("Invalid arg")<<endl;}
+                             break;
+                        case S_TEMP:
+                             if (cmd.incrementTemp(step))
+                             {
+                               status2Send |= FLAG_PARAMETERS | FLAG_SEND_DEFFERED;  
+                               cmd.setSuffix(S_SET);  
+                             } else {cmd=fallbackCmd;invalidArgument=true; errorSerial << F("Invalid arg")<<endl;}     
                       } //switch suffix
 
              } //Case UP/DOWN
@@ -1273,18 +1290,19 @@ int Item::Ctrl(itemCmd cmd,  char* subItem, bool allowRecursion, bool authorized
                     if ((suffixCode!=S_CMD) ||  (cmd.getCmd() != CMD_XON) || !getFlag(FLAG_DISABLED))
                         {
                             digGroup(itemArg,&cmd,subItem,authorized);   
+                             
                             if ((suffixCode==S_CMD) &&  cmd.isValue())  
                                                     {
                                                     scheduleOppositeCommand(originalCmd,chActive,authorized);         
                                                     scheduledOppositeCommand = true;
                                                     }   
-                        if (subItem) status2Send |= FLAG_SEND_IMMEDIATE;                             
+                        if (subItem && !subitemCmd) status2Send |= FLAG_SEND_IMMEDIATE;                             
                         }
                     }
                 }
                 
        res=1;     
-
+      if (subitemCmd) subItem = NULL;
     
       // Post-processing of group command - converting HALT,REST,XON,XOFF to conventional ON/OFF for status
       switch (cmd.getCmd()) {
@@ -1383,7 +1401,7 @@ int Item::Ctrl(itemCmd cmd,  char* subItem, bool allowRecursion, bool authorized
         if (subItem) 
         {
         //Check if subitem is some sort of command    
-        int subitemCmd = subitem2cmd(subItem);
+        
         short prevCmd  = getCmd();
         if (!prevCmd && chActive) prevCmd=CMD_ON;
 
@@ -1657,6 +1675,8 @@ if ((!driver || driver->isAllowed(cmd))
                         case CMD_HALT:
                         case CMD_XOFF:   
                         digitalWrite(iaddr, k = (inverse) ? HIGH : LOW); 
+                     default:
+                       k = -1;   
                     }
 /*
                         if (inverse)
@@ -1780,7 +1800,6 @@ int Item::isActive() {
                       return -1;
                       }
     int cmd = getCmd();
-
     if (driver) {
                 short active =  driver->isActive();
                 if (active >= 0)
@@ -1905,7 +1924,6 @@ switch (cause)
             sendDelayedStatus();
     }
   }
-
   if (driver && driver->Status())
                       {
                       return driver->Poll(cause);
@@ -2186,7 +2204,7 @@ int Item::SendStatus(long sendFlags, char * subItem) {
 }
 
 int Item::getChanType()
-{
+{ 
 if (driver) return driver->getChanType();
 return itemType;
 }
@@ -2218,7 +2236,6 @@ int Item::checkRetry() {
     {   // if last sending attempt of command was failed
       itemCmd val(ST_VOID,CMD_VOID);
       val.loadItem(this, FLAG_COMMAND | FLAG_PARAMETERS);
-      
       if (driver) 
                     {
                     clearFlag(FLAG_SEND_RETRY);     // Clean retry flag    
@@ -2721,5 +2738,158 @@ int Item::checkModbusDimmer(int data) {
     } //if data changed
   return 1;  
 }
-
 #endif
+
+Item * driverFactory::getItem(Item * item)
+{
+abstractOut * driver = findDriver(item);
+if (driver) return driver->getItem();
+return NULL;
+}
+
+abstractOut * driverFactory::findDriver(Item * item)
+{
+if (!item || !item->isValid()) return NULL;
+uint8_t itemType = item->itemType;
+if (itemType>CH_MAX) return NULL;
+
+switch (itemType)
+{
+            case CH_RGBW:
+            case CH_RGB:
+            case CH_RGBWW:
+            itemType = CH_DIMMER;
+}
+return drivers[itemType];
+}
+
+void driverFactory::freeDriver(Item * item)
+{
+if (item && item->driver) 
+        {   
+            abstractOut * driver = findDriver(item);   
+            if (driver)
+              {
+                    if (driver->getItem() == item)
+                                item->driver->link(NULL);
+                    else delete item->driver;            
+              }     
+        }
+}
+
+abstractOut * driverFactory::getDriver(Item * item)
+{
+if (!item || !item->isValid()) return NULL;    
+abstractOut * driver = findDriver(item);
+if (driver) 
+    {
+      if (driver->getItem()) driver = newDriver(item->itemType);
+    }
+
+else 
+    {
+        driver = newDriver(item->itemType);
+        if (driver) drivers[item->itemType]=driver;   
+    }
+
+ 
+if (driver) driver->link(item);         
+return driver;
+}
+ 
+abstractOut * driverFactory::newDriver(uint8_t itemType)
+ {
+ abstractOut * driver = NULL;    
+switch (itemType)
+        {
+#ifndef  PWM_DISABLE            
+          case CH_PWM:
+          driver = new out_pwm ;
+          break;
+#endif          
+
+#ifndef   DMX_DISABLE
+            case CH_DIMMER:
+            driver = new out_dmx ;
+            break;
+#endif
+#ifndef   SPILED_DISABLE
+          case CH_SPILED:
+          driver = new out_SPILed ;
+          break;
+#endif
+
+#ifndef   AC_DISABLE
+          case CH_AC:
+          driver = new out_AC ;
+          break;
+#endif
+
+#ifndef   MOTOR_DISABLE
+          case CH_MOTOR:
+          driver = new out_Motor ;
+          break;
+#endif
+
+#ifndef   MBUS_DISABLE
+          case CH_MBUS:
+          driver = new out_Modbus ;
+          break;
+#endif
+
+#ifndef   PID_DISABLE
+          case CH_PID:
+          driver = new out_pid ;
+          break;
+#endif
+
+
+#ifndef   RELAY_DISABLE
+          case CH_RELAYX:
+          driver = new out_relay ;
+          break;
+#endif
+
+#ifndef   MULTIVENT_DISABLE
+          case CH_MULTIVENT:
+          driver = new out_Multivent ;
+          break;
+#endif
+
+#ifdef   UARTBRIDGE_ENABLE
+          case CH_UARTBRIDGE:
+          driver = new out_UARTbridge ;
+//          debugSerial<<F("AC driver created")<<endl;
+          break;
+#endif
+
+#ifdef ELEVATOR_ENABLE
+          case CH_ELEVATOR:
+          driver = new out_elevator ;
+//          debugSerial<<F("AC driver created")<<endl;
+          break;
+#endif
+
+#ifdef HUMIDIFIER_ENABLE
+          case CH_HUMIDIFIER:
+          driver = new out_humidifier ;
+          break;
+#endif
+
+#ifdef MERCURY_ENABLE
+          case CH_MERCURY:
+          driver = new out_Mercury ;
+          break;
+#endif
+
+#ifndef COUNTER_DISABLE
+          case CH_COUNTER:
+          driver = new out_counter ;
+//          debugSerial<<F("AC driver created")<<endl;
+          break;
+#endif
+          default: ;
+}
+
+return driver;
+}
\ No newline at end of file
diff --git a/lighthub/item.h b/lighthub/item.h
index 6d15a8b..ab8c7b8 100644
--- a/lighthub/item.h
+++ b/lighthub/item.h
@@ -1,4 +1,4 @@
-/* Copyright © 2017-2020 Andrey Klimov. All rights reserved.
+/* Copyright © 2017-2025 Andrey Klimov. All rights reserved.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -22,6 +22,7 @@ e-mail    anklimov@gmail.com
 #include "abstractout.h"
 #include "itemCmd.h"
 
+
 #define S_NOTFOUND  0
 #define S_CMD  1
 #define S_SET  2
@@ -67,6 +68,7 @@ const suffixstr suffix_P[] PROGMEM =
 #define CH_COUNTER 20
 #define CH_HUMIDIFIER 21
 #define CH_MERCURY 22
+#define CH_MAX 22
 
 #define POLLING_SLOW 1
 #define POLLING_FAST 2
@@ -169,6 +171,18 @@ class Item
   int  defaultSuffixCode;
 };
 
+class driverFactory {
+    public:
+    driverFactory(){memset(drivers,0,sizeof(drivers));};
+    Item * getItem(Item * item);
+    abstractOut * getDriver(Item * item);
+    abstractOut * findDriver(Item * item);
+    void freeDriver(Item * item);
+    abstractOut * newDriver(uint8_t itemType);
+    private:
+    abstractOut * drivers[CH_MAX+1];
+};
+
 typedef union
 {
 struct
diff --git a/lighthub/itemCmd.cpp b/lighthub/itemCmd.cpp
index e6fe14f..5717fa3 100644
--- a/lighthub/itemCmd.cpp
+++ b/lighthub/itemCmd.cpp
@@ -429,6 +429,23 @@ bool itemCmd::incrementS(long int dif)
 
 }
 
+bool itemCmd::incrementTemp(long int dif)
+{int par=param.colorTemp;
+  switch (cmd.itemArgType)
+  {
+    case ST_HSV255:
+     par+=dif/TENS_BASE;
+     if (par>100) par=100;
+     if (par<1) par=1;
+    break;
+
+   default: return false;
+  }
+  param.colorTemp=par;
+  return true;
+
+}
+
 
 itemCmd itemCmd::assignFrom(itemCmd from, short chanType)
 {
@@ -1514,7 +1531,7 @@ char * itemCmd::toString(char * Buffer, int bufLen, int sendFlags, bool scale100
        if (!Buffer || !bufLen) return NULL;
        *Buffer=0;
        char * argPtr=Buffer;
-       if (isCommand() && (sendFlags & FLAG_COMMAND))
+       if (isCommand() && (sendFlags & FLAG_COMMAND) && cmd.cmdCode<commandsNum)
                         {
                           int len;
                           strncpy_P(Buffer, commands_P[cmd.cmdCode], bufLen);
diff --git a/lighthub/itemCmd.h b/lighthub/itemCmd.h
index a4922ea..fd9fade 100644
--- a/lighthub/itemCmd.h
+++ b/lighthub/itemCmd.h
@@ -261,6 +261,7 @@ public:
   bool incrementPercents(long int, long int limit);
   bool incrementH(long int);
   bool incrementS(long int);
+  bool incrementTemp(long int dif);
 
   long int getInt();
   long int getTens();
diff --git a/lighthub/main.cpp b/lighthub/main.cpp
index f76c9a4..6cd05fc 100644
--- a/lighthub/main.cpp
+++ b/lighthub/main.cpp
@@ -23,7 +23,7 @@ e-mail    anklimov@gmail.com
 #include "flashstream.h"
 #include "config.h"
 
-#if defined(__SAM3X8E__)
+#if defined(TIMER_INT)
 #include "TimerInterrupt_Generic.h"
 #endif
 
@@ -2185,6 +2185,25 @@ int16_t attachTimer(double microseconds, timerCallback callback, const char* Tim
 }
 #endif
 
+#if defined(ARDUINO_ARCH_STM32) && defined (TIMER_INT)
+STM32Timer ITimer0(TIM1);
+
+int16_t attachTimer(double microseconds, timerCallback callback, const char* TimerName)
+{  
+    if (timerNumber!=-1) return timerNumber;
+	// Interval in microsecs
+	if (ITimer0.attachInterruptInterval(microseconds, callback))
+	{
+		debugSerial.print(F("Starting ITimer0 OK"));
+        timerNumber = 0;
+	}
+	else
+		debugSerial.println(F("Can't set ITimer0. Select another freq. or timer"));
+  return timerNumber;
+}
+
+#endif
+
 #if defined(__SAM3X8E__) && defined (PULSEPIN12)
 #define MATURA_PULSE 100
 #define MATURA_PERIOD 2500
@@ -3117,7 +3136,11 @@ configLocked++;
     // Interval in microsecs
     attachTimer(TIMER_CHECK_INPUT * 1000, TimerHandler, "ITimer");  
     attachMaturaTimer();
+    #endif     
 
+    #if defined(ARDUINO_ARCH_STM32) && defined (TIMER_INT)  
+    // Interval in microsecs
+    attachTimer(TIMER_CHECK_INPUT * 1000, TimerHandler, "ITimer");  
     #endif     
 configLocked--;
 }
diff --git a/lighthub/modules/out_ac.h b/lighthub/modules/out_ac.h
index 81b897b..229c349 100644
--- a/lighthub/modules/out_ac.h
+++ b/lighthub/modules/out_ac.h
@@ -35,7 +35,8 @@ public:
 class out_AC : public abstractOut {
 public:
 
-    out_AC(Item * _item):abstractOut(_item){store = (acPersistent *) item->getPersistent(); getConfig();};
+    out_AC():store(NULL){};
+    void link(Item * _item){abstractOut::link(_item); if (_item) {store = (acPersistent *) item->getPersistent(); getConfig();} else store = NULL;};
     void getConfig();
     int Setup() override;
     int Poll(short cause) override;
diff --git a/lighthub/modules/out_counter.h b/lighthub/modules/out_counter.h
index 297c480..77861ca 100644
--- a/lighthub/modules/out_counter.h
+++ b/lighthub/modules/out_counter.h
@@ -8,8 +8,6 @@
 
 class out_counter : public abstractOut {
 public:
-
-    out_counter(Item * _item):abstractOut(_item){};
     int Setup() override;
     int Poll(short cause) override;
     int Stop() override;
diff --git a/lighthub/modules/out_dmx.h b/lighthub/modules/out_dmx.h
index 53bf259..ac0051a 100644
--- a/lighthub/modules/out_dmx.h
+++ b/lighthub/modules/out_dmx.h
@@ -9,14 +9,10 @@
 
 class out_dmx : public colorChannel {
 public:
-
-    out_dmx(Item * _item):colorChannel(_item){};
     int Setup() override;
     int Stop() override;
   
     int getChanType() override;
-//    int Ctrl(itemCmd cmd, char* subItem=NULL) override;
-//    int PixelCtrl(itemCmd cmd) override;
     virtual int PixelCtrl(itemCmd cmd, char* subItem=NULL, bool show=true, bool authorized = false) override;
 
 protected:
diff --git a/lighthub/modules/out_mercury.h b/lighthub/modules/out_mercury.h
index 525576f..a5ca685 100644
--- a/lighthub/modules/out_mercury.h
+++ b/lighthub/modules/out_mercury.h
@@ -42,13 +42,15 @@ public:
 class out_Mercury : public abstractOut {
 public:
 
-    out_Mercury(Item * _item):abstractOut(_item){store = (mercuryPersistent *) item->getPersistent();};
+    //out_Mercury(Item * _item):abstractOut(_item){store = (mercuryPersistent *) item->getPersistent();};
+    out_Mercury():store(NULL){};
+    void link(Item * _item){abstractOut::link(_item); if (_item) {store = (mercuryPersistent *) item->getPersistent();} else store = NULL;};
+   
     int Setup() override;
     int Poll(short cause) override;
     int Stop() override;
     int getChanType() override;
     int Ctrl(itemCmd cmd, char* subItem=NULL, bool toExecute=true, bool authorized = false) override;
-    //int getDefaultStorageType(){return ST_INT32;};
 
 
 protected:
diff --git a/lighthub/modules/out_modbus.cpp b/lighthub/modules/out_modbus.cpp
index da7f6d6..8ea7c1d 100644
--- a/lighthub/modules/out_modbus.cpp
+++ b/lighthub/modules/out_modbus.cpp
@@ -451,7 +451,7 @@ itemCmd out_Modbus::findRegister(uint16_t registerNum, uint16_t posInBuffer, uin
                                       {   
                                       mappedParam = findRegister(defMappingObj->valueint,defMappingObj->valueint-registerFrom,regType,registerFrom,registerTo,false,&submitRecurrentOut);
                                       executeWithoutCheck=true;
-                                      debugSerial<<"MBUSD: recurrent check res: "<<"SRO:"<<submitRecurrentOut<<endl;
+                                      traceSerial<<"MBUSD: recurrent check res: "<<"SRO:"<<submitRecurrentOut<<endl;
                                       }
                                   else 
                                   {
diff --git a/lighthub/modules/out_modbus.h b/lighthub/modules/out_modbus.h
index 802c3a3..215566e 100644
--- a/lighthub/modules/out_modbus.h
+++ b/lighthub/modules/out_modbus.h
@@ -31,8 +31,10 @@ public:
 
 class out_Modbus : public abstractOut {
 public:
+    //out_Modbus(Item * _item):abstractOut(_item){store = (mbPersistent *) item->getPersistent();};
+    out_Modbus():store(NULL){};
+    void link(Item * _item){abstractOut::link(_item); if (_item) {store = (mbPersistent *) item->getPersistent(); } else store = NULL;};
 
-    out_Modbus(Item * _item):abstractOut(_item){store = (mbPersistent *) item->getPersistent();};
     int Setup() override;
     int Poll(short cause) override;
     int Stop() override;
diff --git a/lighthub/modules/out_motor.h b/lighthub/modules/out_motor.h
index c3edc09..ad3899e 100644
--- a/lighthub/modules/out_motor.h
+++ b/lighthub/modules/out_motor.h
@@ -20,7 +20,9 @@ static int8_t motorQuote = MOTOR_QUOTE;
 class out_Motor : public abstractOut {
 public:
 
-    out_Motor(Item * _item):abstractOut(_item){getConfig();};
+    //out_Motor(Item * _item):abstractOut(_item){getConfig();};
+    //out_Motor(){};
+    void link(Item * _item){abstractOut::link(_item);  if (_item) getConfig();};   
     int Setup() override;
     int Poll(short cause) override;
     int Stop() override;
diff --git a/lighthub/modules/out_multivent.h b/lighthub/modules/out_multivent.h
index 64cc8df..8058ab7 100644
--- a/lighthub/modules/out_multivent.h
+++ b/lighthub/modules/out_multivent.h
@@ -12,7 +12,9 @@
 class out_Multivent : public abstractOut {
 public:
 
-    out_Multivent(Item * _item):abstractOut(_item){getConfig();};
+    //out_Multivent(Item * _item):abstractOut(_item){getConfig();};
+    //out_Multivent(){};
+    void link(Item * _item){abstractOut::link(_item);  if (_item) getConfig();};    
     int Setup() override;
     int Poll(short cause) override;
     int Stop() override;
diff --git a/lighthub/modules/out_pid.h b/lighthub/modules/out_pid.h
index d82ad42..0987d27 100644
--- a/lighthub/modules/out_pid.h
+++ b/lighthub/modules/out_pid.h
@@ -25,7 +25,10 @@ public:
 class out_pid : public abstractOut {
 public:
 
-    out_pid(Item * _item):abstractOut(_item){store = (pidPersistent *) item->getPersistent();};
+    //out_pid(Item * _item):abstractOut(_item){store = (pidPersistent *) item->getPersistent();};
+    out_pid():store(NULL){};
+    void link(Item * _item){abstractOut::link(_item); if (_item) {store = (pidPersistent *) item->getPersistent();} else store = NULL;};
+
     int Setup() override;
     int Poll(short cause) override;
     int Stop() override;
diff --git a/lighthub/modules/out_pwm.h b/lighthub/modules/out_pwm.h
index 47305b7..c692e96 100644
--- a/lighthub/modules/out_pwm.h
+++ b/lighthub/modules/out_pwm.h
@@ -10,7 +10,7 @@
 class out_pwm : public colorChannel {
 public:
 
-    out_pwm(Item * _item):colorChannel(_item){numChannels=0;};
+//    out_pwm():numChannels(0){};
     int Setup() override;
     int Stop() override;
 
@@ -19,7 +19,7 @@ public:
     //int Ctrl(itemCmd cmd, char* subItem=NULL) override;
     int PixelCtrl(itemCmd cmd, char* subItem=NULL, bool show=true, bool authorized = false ) override;
 
-protected:
-    short numChannels;
+//protected:
+//    short numChannels;
 };
 #endif
diff --git a/lighthub/modules/out_relay.h b/lighthub/modules/out_relay.h
index 07387b9..0bde632 100644
--- a/lighthub/modules/out_relay.h
+++ b/lighthub/modules/out_relay.h
@@ -8,8 +8,7 @@
 
 class out_relay : public abstractOut {
 public:
-
-    out_relay(Item * _item):abstractOut(_item){ getConfig();};
+    void link(Item * _item){abstractOut::link(_item); if (_item) getConfig();};
     void getConfig();
     void relay(bool state);
     int Setup() override;
diff --git a/lighthub/modules/out_spiled.h b/lighthub/modules/out_spiled.h
index c317d24..f584d84 100644
--- a/lighthub/modules/out_spiled.h
+++ b/lighthub/modules/out_spiled.h
@@ -15,7 +15,9 @@
 class out_SPILed : public colorChannel {
 public:
 
-    out_SPILed(Item * _item):colorChannel(_item){getConfig();};
+    //out_SPILed(Item * _item):colorChannel(_item){getConfig();};
+    //out_SPILed(){};
+    void link(Item * _item){colorChannel::link(_item);if (_item) getConfig();};
     int Setup() override;
     int Stop() override;
     int getChanType() override;
diff --git a/lighthub/modules/out_uartbridge.h b/lighthub/modules/out_uartbridge.h
index 41312d7..bfd35bf 100644
--- a/lighthub/modules/out_uartbridge.h
+++ b/lighthub/modules/out_uartbridge.h
@@ -58,7 +58,12 @@ public:
 class out_UARTbridge : public abstractOut {
 public:
 
-    out_UARTbridge(Item * _item):abstractOut(_item){store = (ubPersistent *) item->getPersistent();};
+   // out_UARTbridge(Item * _item):abstractOut(_item){store = (ubPersistent *) item->getPersistent();};
+
+    out_UARTbridge():store(NULL){};
+    void link(Item * _item){abstractOut::link(_item); if (_item) {store = (ubPersistent *) item->getPersistent();} else store = NULL;};
+
+
     int Setup() override;
     int Poll(short cause) override;
     int Stop() override;
diff --git a/lighthub/utils.cpp b/lighthub/utils.cpp
index 0a8cff5..dd55fa7 100644
--- a/lighthub/utils.cpp
+++ b/lighthub/utils.cpp
@@ -130,7 +130,7 @@ long getIntFromStr(char **chan) {
 // chan is pointer to pointer to string
 // Function return first retrived number and move pointer to position next after ','
 itemCmd getNumber(char **chan) {
-    itemCmd val(ST_TENS,CMD_VOID);
+    itemCmd val(ST_VOID,CMD_VOID); //WAS ST_TENS ?
     if (chan && *chan && **chan)
     {
     //Skip non-numeric values
@@ -161,7 +161,7 @@ itemCmd getNumber(char **chan) {
           if (isDigit(*(fractptr+i))) fractnumbers += constrain(*(fractptr+i)-'0',0,9);  
          }
     }
-    
+    if (!fractlen && !intlen) return val; //VOID
     if (!fractlen) val.Int(atol(*chan));
     else if (fractlen<=TENS_FRACT_LEN && intlen+TENS_FRACT_LEN<=9)
         {
@@ -670,11 +670,15 @@ aJsonObject *can = NULL;
 aJsonObject *icmd = NULL;
 aJsonObject *ecmd = NULL;
 char cmdType = 0;
-
-//char * out = aJson.print(cmd);
-//debugSerial<<"Exec:"<<out<<endl;
-//free (out);
-
+if (serialDebugLevel>=LOG_TRACE || udpDebugLevel>=LOG_TRACE) 
+{
+char*  out = aJson.print(cmd);
+if (out)
+{
+debugSerial<<"Exec:"<<out<<endl;
+free (out);
+}
+}
 if (cmd) cmdType = cmd->type;
    
 switch (cmdType)
diff --git a/platformio.ini b/platformio.ini
index b5a584c..dab5ef0 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -1010,7 +1010,8 @@ lib_deps =
 	https://github.com/anklimov/ModbusMaster
 	pazi88/STM32_CAN
 	ericksimoes/Ultrasonic
-	https://github.com/mathertel/RotaryEncoderv
+	https://github.com/mathertel/RotaryEncoder
+	;TimerInterrupt_Generic
 
 monitor_speed = 115200