diff --git a/lighthub/main.cpp b/lighthub/main.cpp
index 8da1fef..99cdb78 100644
--- a/lighthub/main.cpp
+++ b/lighthub/main.cpp
@@ -119,8 +119,10 @@ lan_status lanStatus = INITIAL_STATE;
 const char configserver[] PROGMEM = CONFIG_SERVER;
 const char verval_P[] PROGMEM = QUOTE(PIO_SRC_REV);
 
+#if defined(__SAM3X8E__)
+UID UniqueID;
+#endif
 
-unsigned int UniqueID[5] = {0,0,0,0,0};
 char *deviceName = NULL;
 aJsonObject *topics = NULL;
 aJsonObject *root = NULL;
@@ -273,12 +275,15 @@ else
 void printMACAddress() {
     debugSerial<<F("MAC:");
     for (byte i = 0; i < 6; i++)
+{
+  if (mac[i]<16) debugSerial<<"0";
 #ifdef WITH_PRINTEX_LIB
         (i < 5) ?debugSerial<<hex <<(mac[i])<<F(":"):debugSerial<<hex<<(mac[i])<<endl;
 #else
         (i < 5) ?debugSerial<<_HEX(mac[i])<<F(":"):debugSerial<<_HEX(mac[i])<<endl;
 #endif
 }
+}
 
 
 lan_status lanLoop() {
@@ -1142,7 +1147,7 @@ lan_status loadConfigFromHttp(int arg_cnt, char **args)
 {
     int responseStatusCode = 0;
     char ch;
-    char URI[40];
+    char URI[64];
     char configServer[32]="";
     if (arg_cnt > 1) {
         strncpy(configServer, args[1], sizeof(configServer) - 1);
@@ -1150,13 +1155,13 @@ lan_status loadConfigFromHttp(int arg_cnt, char **args)
     } else if (!loadFlash(OFFSET_CONFIGSERVER, configServer))
         strncpy_P(configServer,configserver,sizeof(configServer));
 #ifndef DEVICE_NAME
-    snprintf(URI, sizeof(URI), "/%02x-%02x-%02x-%02x-%02x-%02x.config.json", mac[0], mac[1], mac[2], mac[3], mac[4],
+    snprintf(URI, sizeof(URI), "/cnf/%02x-%02x-%02x-%02x-%02x-%02x.config.json", mac[0], mac[1], mac[2], mac[3], mac[4],
              mac[5]);
 #else
 #ifndef FLASH_64KB
-    snprintf(URI, sizeof(URI), "/%s_config.json",QUOTE(DEVICE_NAME));
+    snprintf(URI, sizeof(URI), "/cnf/%s_config.json",QUOTE(DEVICE_NAME));
 #else
-    strncpy(URI, "/", sizeof(URI));
+    strncpy(URI, "/cnf/", sizeof(URI));
     strncat(URI, QUOTE(DEVICE_NAME), sizeof(URI));
     strncat(URI, "_config.json", sizeof(URI));
 #endif
@@ -1233,7 +1238,7 @@ lan_status loadConfigFromHttp(int arg_cnt, char **args)
     htclient.stop();
     wdt_res();
     debugSerial<<F("HTTP Status code: ");
-    debugSerial<<responseStatusCode;
+    debugSerial<<responseStatusCode<<" ";
     //debugSerial<<"GET Response: ");
 
     if (responseStatusCode == 200) {
@@ -1315,6 +1320,10 @@ void postTransmission() {
 void setup_main() {
   //Serial.println("Hello");
   //delay(1000);
+  #if defined(__SAM3X8E__)
+  memset(&UniqueID,0,sizeof(UniqueID));
+  #endif
+
     setupCmdArduino();
     printFirmwareVersionAndBuildOptions();
 
@@ -1452,11 +1461,11 @@ debugSerial<<endl;
 #if defined(__SAM3X8E__)
 
     Serial.println(F("Reading 128 bits unique identifier") ) ;
-    ReadUniqueID( UniqueID ) ;
+    ReadUniqueID( UniqueID.UID_Long ) ;
 
     Serial.print ("ID: ") ;
     for (byte b = 0 ; b < 4 ; b++)
-      Serial.print ((unsigned int) UniqueID [b], HEX) ;
+      Serial.print ((unsigned int) UniqueID.UID_Long [b], HEX) ;
     Serial.println () ;
 #endif
 
@@ -1509,9 +1518,9 @@ if (!isMacValid) {
     #elif defined(__SAM3X8E__)
     //Lets make MAC from MPU serial#
     mac[0]=0xDE;
-    //firmwareMacAddress[1]=0xAD;
+
     for (byte b = 0 ; b < 5 ; b++)
-              mac[b+1]=UniqueID [b] ;
+              mac[b+1]=UniqueID.UID_Byte [b*3] + UniqueID.UID_Byte [b*3+1] + UniqueID.UID_Byte [b*3+2];
 
     #elif defined DEFAULT_FIRMWARE_MAC
     uint8_t defaultMac[6] = DEFAULT_FIRMWARE_MAC;//comma(,) separated hex-array, hard-coded
diff --git a/lighthub/main.h b/lighthub/main.h
index 351545b..ebaa042 100644
--- a/lighthub/main.h
+++ b/lighthub/main.h
@@ -169,6 +169,10 @@ enum lan_status {
     DO_NOTHING = -14
 };
 
+typedef union {
+    uint32_t  UID_Long[5];
+    uint8_t   UID_Byte[20];
+} UID;
 
 //void watchdogSetup(void);
 
diff --git a/lighthub/modules/in_ccs811_hdc1080.cpp b/lighthub/modules/in_ccs811_hdc1080.cpp
index ab72116..bfcdae6 100644
--- a/lighthub/modules/in_ccs811_hdc1080.cpp
+++ b/lighthub/modules/in_ccs811_hdc1080.cpp
@@ -61,31 +61,24 @@ int in_hdc1080::Poll()
   float h,t;
   int reg;
 
-//  #ifdef WAK_PIN
-//    digitalWrite(WAK_PIN,LOW);
-//  #endif
-
-
-Serial.print("T=");
-Serial.print(t=hdc1080.readTemperature());
-Serial.print("C, RH=");
-Serial.print(h=hdc1080.readHumidity());
-Serial.print("% Status=");
-publish(t,"/T");
-publish(h,"/H");
+Serial.print("HDC Status=");
 Serial.println(reg=hdc1080.readRegister().rawData,HEX);
-ccs811.setEnvironmentalData(h,t);
-
-if (reg==0xff) //ESP I2C glitch
+if (reg!=0xff)
+{
+  Serial.print("T=");
+  Serial.print(t=hdc1080.readTemperature());
+  Serial.print("C, RH=");
+  Serial.print(h=hdc1080.readHumidity());
+  Serial.print("%");
+  publish(t,"/T");
+  publish(h,"/H");
+  ccs811.setEnvironmentalData(h,t);
+}
+else //ESP I2C glitch
   {
     Serial.println("I2C Reset");
     i2cReset();
   }
-
-delay(100);
-//#ifdef WAK_PIN
-//  digitalWrite(WAK_PIN,HIGH);
-//#endif
 return 1;
 }
 
diff --git a/lighthub/utils.cpp b/lighthub/utils.cpp
index 26f7b42..55f5f5e 100644
--- a/lighthub/utils.cpp
+++ b/lighthub/utils.cpp
@@ -247,7 +247,7 @@ Awesome work Mark T!*/
 
 __attribute__ ((section (".ramfunc")))
 
-void ReadUniqueID( unsigned int * pdwUniqueID )
+void ReadUniqueID( uint32_t * pdwUniqueID )
 {
     unsigned int status ;
 
diff --git a/lighthub/utils.h b/lighthub/utils.h
index d86b97b..83171ef 100644
--- a/lighthub/utils.h
+++ b/lighthub/utils.h
@@ -51,7 +51,7 @@ unsigned long freeRam ();
 void parseBytes(const char* str, char separator, byte* bytes, int maxBytes, int base);
 int log(const char *str, ...);
 void printFloatValueToStr(float value, char *valstr);
-void ReadUniqueID( unsigned int * pdwUniqueID );
+void ReadUniqueID( uint32_t * pdwUniqueID );
 int inet_aton(const char* aIPAddrString, IPAddress& aResult);
 char *inet_ntoa_r(IPAddress addr, char *buf, int buflen);
 void printIPAddress(IPAddress ipAddress);