diff --git a/README.md b/README.md
index d7b3606..540a153 100644
--- a/README.md
+++ b/README.md
@@ -153,6 +153,9 @@ platformio device monitor -b 115200
 * WIFI_MANAGER_DISABLE //Disable wifi manager for esp8266
 * DHT_DISABLE //disable DHT Input support
 * RESTART_LAN_ON_MQTT_ERRORS //reinit LAN if many mqtt errors occured
+* WITH_STREAMING_LIB use streaming libriary for serial debug output otherwise use PrintEx library
+* DEVICE_NAME short handy device name which is used instead of mac for download config http://{MY_CONFIG_SERVER}/{DEVICE_NAME}_config.json
+* SYSLOG_ENABLE enable UDP SYSLOG support feature(under DEVELOPMENT) that must be configured through config file
 
 
 
@@ -176,5 +179,8 @@ platformio device monitor -b 115200
 * DHT support enabled
 * Wifi manager for esp8266 enabled
 * RESTART_LAN_ON_MQTT_ERRORS disabled
+* WITH_STREAMING_LIB disabled
+* DEVICE_NAME disabled
+* SYSLOG_ENABLE disabled
 
 If you've using Arduino IDE to compile & flash firmware, it will use Default options above and you will not able to configure additional compilers options except edit "options.h" file
diff --git a/build_flags_template.sh b/build_flags_template.sh
index e66e237..86372f0 100644
--- a/build_flags_template.sh
+++ b/build_flags_template.sh
@@ -25,5 +25,7 @@
 # export FLAGS="$FLAGS -DDHCP_RETRY_INTERVAL=60000"
 # export FLAGS="$FLAGS -DRESTART_LAN_ON_MQTT_ERRORS"
 # export FLAGS="$FLAGS -DW5500_CS_PIN=53"
+#export FLAGS="$FLAGS -DSYSLOG_ENABLE"
+#export FLAGS="$FLAGS -DDEVICE_NAME=MYDEVICE"
  export FLAGS="$FLAGS -DPIO_SRC_REV="$(git log --pretty=format:%h_%ad -1 --date=short)
  echo $FLAGS
diff --git a/lighthub/main.cpp b/lighthub/main.cpp
index 0ebdc85..50800ee 100644
--- a/lighthub/main.cpp
+++ b/lighthub/main.cpp
@@ -67,6 +67,7 @@ PWM Out
 #include "Arduino.h"
 #include "main.h"
 #include "options.h"
+#include "utils.h"
 #ifdef WITH_STREAMING_LIB
 #include "Streaming.h"
 #else
@@ -113,7 +114,7 @@ WiFiClient ethClient;
 EthernetClient ethClient;
 #endif
 
-#ifndef SYSLOG_DISABLE
+#ifdef SYSLOG_ENABLE
 #include <Syslog.h>
 EthernetUDP udpSyslogClient;
 Syslog udpSyslog(udpSyslogClient, SYSLOG_PROTO_IETF);
@@ -208,8 +209,11 @@ void mqttCallback(char *topic, byte *payload, unsigned int length) {
 
 void printIPAddress(IPAddress ipAddress) {
     for (byte i = 0; i < 4; i++)
-//        (i < 3) ? debugSerial << _DEC(ipAddress[i]) << F(".") : debugSerial << _DEC(ipAddress[i])<<F(", ");
-        (i < 3) ? debugSerial << (ipAddress[i]) << F(".") : debugSerial << (ipAddress[i])<<F(", ");
+#ifdef WITH_STREAMING_LIB
+            (i < 3) ? debugSerial << _DEC(ipAddress[i]) << F(".") : debugSerial << _DEC(ipAddress[i]) << F(", ");
+#else
+            (i < 3) ? debugSerial << (ipAddress[i]) << F(".") : debugSerial << (ipAddress[i])<<F(", ");
+#endif
 }
 
 void printMACAddress() {
@@ -282,7 +286,7 @@ lan_status lanLoop() {
             break;
 
         case READ_RE_CONFIG:
-            if (loadConfigFromEEPROM(0, NULL)) lanStatus = IP_READY_CONFIG_LOADED_CONNECTING_TO_BROKER;//2;
+            if (loadConfigFromEEPROM()) lanStatus = IP_READY_CONFIG_LOADED_CONNECTING_TO_BROKER;//2;
             else {
                 nextLanCheckTime = millis() + 5000;
                 lanStatus = AWAITING_ADDRESS;//-10;
@@ -348,7 +352,7 @@ void ip_ready_config_loaded_connecting_to_broker() {
     char *user = &empty;
     char passwordBuf[16] = "";
     char *password = passwordBuf;
-#ifndef SYSLOG_DISABLE
+#ifdef SYSLOG_ENABLE
     debugSerial<<"debugSerial:";
     delay(100);
     if (udpSyslogArr && aJson.getArraySize(udpSyslogArr)) {
@@ -575,9 +579,7 @@ void Changed(int i, DeviceAddress addr, int val) {
         owEmit = aJson.getObjectItem(owObj, "emit")->valuestring;
         if (owEmit) {
             strncpy(addrbuf, owEmit, sizeof(addrbuf));
-            debugSerial<<owEmit;
-            debugSerial<<F("=");
-            debugSerial<<val;
+            debugSerial<<owEmit<<F("=")<<val;
         }
         owItem = aJson.getObjectItem(owObj, "item")->valuestring;
     } else debugSerial<<F("1w-item not found in config");
@@ -601,12 +603,12 @@ void Changed(int i, DeviceAddress addr, int val) {
 void cmdFunctionHelp(int arg_cnt, char **args)
 {
     printFirmwareVersionAndBuildOptions();
-    #ifndef SYSLOG_DISABLE
+    #ifdef SYSLOG_ENABLE
 //    udpSyslog.logf(LOG_INFO, "free RAM: %d",freeRam());
     #endif
     printCurentLanConfig();
-
-    debugSerial<<F(" free RAM: ")<<freeRam()<<F(" Use the commands: 'help' - this text\n"
+    printFreeRam();
+    debugSerial<<F("\nUse these commands: 'help' - this text\n"
                           "'mac de:ad:be:ef:fe:00' set and store MAC-address in EEPROM\n"
                           "'ip [ip[,dns[,gw[,subnet]]]]' - set static IP\n"
                           "'save' - save config in NVRAM\n"
@@ -730,11 +732,11 @@ void printConfigSummary() {
 }
 
 void cmdFunctionLoad(int arg_cnt, char **args) {
-    loadConfigFromEEPROM(arg_cnt, args);
+    loadConfigFromEEPROM();
     restoreState();
 }
 
-int loadConfigFromEEPROM(int arg_cnt, char **args)
+int loadConfigFromEEPROM()
 {
     char ch;
     debugSerial<<F("loading Config");
@@ -847,7 +849,6 @@ void cmdFunctionClearEEPROM(int arg_cnt, char **args){
 }
 
 void cmdFunctionPwd(int arg_cnt, char **args)
-//(char* tokens)
 { char empty[]="";
     if (arg_cnt)
         saveFlash(OFFSET_MQTT_PWD,args[1]);
@@ -856,16 +857,7 @@ void cmdFunctionPwd(int arg_cnt, char **args)
 }
 
 void cmdFunctionSetMac(int arg_cnt, char **args) {
-
-    //debugSerial<<"Got:");
-    //debugSerial<<args[1]);
-    if (sscanf(args[1], "%x:%x:%x:%x:%x:%x%с",
-               &mac[0],
-               &mac[1],
-               &mac[2],
-               &mac[3],
-               &mac[4],
-               &mac[5]) < 6) {
+    if (sscanf(args[1], "%x:%x:%x:%x:%x:%x%с", &mac[0], &mac[1], &mac[2], &mac[3], &mac[4], &mac[5]) < 6) {
         debugSerial<<F("could not parse: ")<<args[1];
         return;
     }
@@ -905,9 +897,9 @@ void saveFlash(short n, IPAddress& ip) {
 }
 
 int ipLoadFromFlash(short n, IPAddress &ip) {
-    for(int i=0;i<4;i++) ip[i]=EEPROM.read(n++);
-    if (ip[0] && (ip[0] != 0xff)) return 1;
-    return 0;
+    for (int i = 0; i < 4; i++)
+        ip[i] = EEPROM.read(n++);
+    return (ip[0] && (ip[0] != 0xff));
 }
 
 lan_status loadConfigFromHttp(int arg_cnt, char **args)
@@ -921,9 +913,12 @@ lan_status loadConfigFromHttp(int arg_cnt, char **args)
         saveFlash(OFFSET_CONFIGSERVER, configServer);
     } 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],
              mac[5]);
+#else
+    snprintf(URI, sizeof(URI), "/%s_config.json",QUOTE(DEVICE_NAME));
+#endif
     debugSerial<<F("Config URI: http://")<<configServer<<URI;
 
 #if defined(__AVR__)
@@ -1084,7 +1079,7 @@ void setup_main() {
     sd_card_w5100_setup();
 #endif
     setupMacAddress();
-    loadConfigFromEEPROM(0, NULL);
+    loadConfigFromEEPROM();
 
 #ifdef _modbus
     #ifdef CONTROLLINO
@@ -1128,7 +1123,7 @@ void setup_main() {
 }
 
 void printFirmwareVersionAndBuildOptions() {
-    debugSerial<<F("\nLazyhome.ru LightHub controller ")<<F(QUOTE(PIO_SRC_REV))<<F("C++ version:")<<F(QUOTE(__cplusplus));
+    debugSerial<<F("\nLazyhome.ru LightHub controller ")<<F(QUOTE(PIO_SRC_REV))<<F(" C++ version:")<<F(QUOTE(__cplusplus));
 #ifdef CONTROLLINO
     debugSerial<<F("\n(+)CONTROLLINO");
 #endif
@@ -1145,8 +1140,7 @@ void printFirmwareVersionAndBuildOptions() {
 #endif
 
 #ifdef USE_1W_PIN
-    debugSerial<<F("(-)DS2482-100 USE_1W_PIN=");
-    debugSerial<<QUOTE(USE_1W_PIN);
+    debugSerial<<F("\n(-)DS2482-100 USE_1W_PIN=")<<QUOTE(USE_1W_PIN);
 #else
     debugSerial<<F("\n(+)DS2482-100");
 #endif
@@ -1156,7 +1150,7 @@ void printFirmwareVersionAndBuildOptions() {
 #endif
 
 #ifdef DMX_DISABLE
-    debugSerial<<F("(-)DMX");
+    debugSerial<<F("\n(-)DMX");
 #else
     debugSerial<<F("\n(+)DMX");
 #endif
@@ -1183,8 +1177,7 @@ void printFirmwareVersionAndBuildOptions() {
 #endif
 
 #ifdef RESET_PIN
-    debugSerial<<F("\n(+)HARDRESET on pin=");
-    debugSerial<<F(QUOTE(RESET_PIN);
+    debugSerial<<F("\n(+)HARDRESET on pin=")<<F(QUOTE(RESET_PIN);
 #else
     debugSerial<<F("\n(-)HARDRESET, using soft");
 #endif
@@ -1195,6 +1188,9 @@ void printFirmwareVersionAndBuildOptions() {
     debugSerial<<F("\n(-)RESTART_LAN_ON_MQTT_ERRORS");
 #endif
 }
+void printFreeRam(){
+    debugSerial<<F("\nfree RAM: ")<<freeRam();
+}
 
 void setupMacAddress() {
 
@@ -1271,7 +1267,7 @@ void loop_main() {
     dmxout.update();
 #endif
 
-#ifndef SYSLOG_DISABLE
+#ifdef SYSLOG_ENABLE
 //        debugSerial<<F("#"));
 //        udpSyslog.log(LOG_INFO, "Ping syslog:");
 #endif
@@ -1416,8 +1412,7 @@ void thermoLoop(void) {
     nextThermostatCheck = millis() + THERMOSTAT_CHECK_PERIOD;
 
 #ifndef DISABLE_FREERAM_PRINT
-    (thermostatCheckPrinted) ? debugSerial<<F("\nfree:") : debugSerial<<F(" ");
-    debugSerial<<freeRam()<<" ";
+    (thermostatCheckPrinted) ? debugSerial<<F("\nfree:")<<freeRam()<<" " : debugSerial<<F(" ")<<freeRam()<<F(" ");
 #endif
 }
 
diff --git a/lighthub/main.h b/lighthub/main.h
index 5771d23..e56b11d 100644
--- a/lighthub/main.h
+++ b/lighthub/main.h
@@ -169,7 +169,7 @@ void applyConfig();
 
 void cmdFunctionLoad(int arg_cnt, char **args);
 
-int loadConfigFromEEPROM(int arg_cnt, char **args);
+int loadConfigFromEEPROM();
 
 void cmdFunctionReq(int arg_cnt, char **args);
 
@@ -237,3 +237,5 @@ void ip_ready_config_loaded_connecting_to_broker();
 
 void printCurentLanConfig();
 
+void printFreeRam();
+
diff --git a/lighthub/owTerm.cpp b/lighthub/owTerm.cpp
index adedd89..e2d44d6 100644
--- a/lighthub/owTerm.cpp
+++ b/lighthub/owTerm.cpp
@@ -47,7 +47,7 @@ int owUpdate() {
     short sr;
 
     //net.setStrongPullup();
-    Serial.println(F("Searching"));
+    debugSerial.println(F("Searching"));
     if (net) net->reset_search();
     for (short i = 0; i < t_count; i++) wstat[i] &= ~SW_FIND; //absent
 
@@ -58,18 +58,18 @@ int owUpdate() {
                 if (!memcmp(term[i], term[t_count], 8)) {
                     ifind = i;
                     wstat[i] |= SW_FIND;
-                    Serial.print(F(" Node:"));
-                    PrintBytes(term[t_count], 8);
-                    Serial.println(F(" alive"));
+                    debugSerial.print(F(" Node:"));
+                    PrintBytes(term[t_count], 8,0);
+                    debugSerial.println(F(" alive"));
                     break;
                 }; //alive
             if (ifind < 0 && sensors) {
                 wstat[t_count] = SW_FIND; //Newly detected
-                Serial.print(F("dev#"));
-                Serial.print(t_count);
-                Serial.print(F(" Addr:"));
-                PrintBytes(term[t_count], 8);
-                Serial.println();
+                debugSerial.print(F("dev#"));
+                debugSerial.print(t_count);
+                debugSerial.print(F(" Addr:"));
+                PrintBytes(term[t_count], 8,0);
+                debugSerial.println();
                 if (term[t_count][0] == 0x28) {
                     sensors->setResolution(term[t_count], TEMPERATURE_PRECISION);
                     net->setStrongPullup();
@@ -80,8 +80,8 @@ int owUpdate() {
         }//if
     } //while
 
-    Serial.print(F("1-wire count: "));
-    Serial.println(t_count);
+    debugSerial.print(F("1-wire count: "));
+    debugSerial.println(t_count);
 #endif
 }
 
@@ -91,12 +91,12 @@ int owSetup(owChangedType owCh) {
     //// todo - move memory allocation to here
     if (net) return true;    // Already initialized
 #ifdef DS2482_100_I2C_TO_1W_BRIDGE
-    Serial.println(F("DS2482_100_I2C_TO_1W_BRIDGE init"));
+    debugSerial.println(F("DS2482_100_I2C_TO_1W_BRIDGE init"));
     net = new OneWire;
 #else
-    Serial.print(F("One wire setup on PIN:"));
-    Serial.println(QUOTE(USE_1W_PIN));
-net = new OneWire (USE_1W_PIN);
+    debugSerial.print(F("One wire setup on PIN:"));
+    debugSerial.println(QUOTE(USE_1W_PIN));
+    net = new OneWire (USE_1W_PIN);
 #endif
 
 
@@ -112,29 +112,29 @@ net = new OneWire (USE_1W_PIN);
 #ifdef DS2482_100_I2C_TO_1W_BRIDGE
     Wire.begin();
     if (net->checkPresence()) {
-        Serial.println(F("DS2482-100 present"));
+        debugSerial.println(F("DS2482-100 present"));
         net->deviceReset();
 #ifdef APU_OFF
-        Serial.println(F("APU off"));
+        debugSerial.println(F("APU off"));
 #else
         net->setActivePullup();
 #endif
 
-        Serial.println(F("\tChecking for 1-Wire devices..."));
+        debugSerial.println(F("\tChecking for 1-Wire devices..."));
         if (net->wireReset())
-            Serial.println(F("\tReset done"));
+            debugSerial.println(F("\tReset done"));
 
         sensors->begin();
         owChanged = owCh;
         //owUpdate();
-        //Serial.println(F("\t1-w Updated"));
+        //debugSerial.println(F("\t1-w Updated"));
         sensors->setWaitForConversion(false);
 
 
         return true;
     }
 #endif
-    Serial.println(F("\tDS2482 error"));
+    debugSerial.println(F("\tDS2482 error"));
     return false;
     // IC Default 9 bit. If you have troubles consider upping it 12. Ups the delay giving the IC more time to process the temperature measurement
 
@@ -158,7 +158,7 @@ int sensors_loop(void) {
 
         case 0x28: // Thermomerer
             t = sensors->getTempC(term[si]);//*10.0;
-            //Serial.println("o");
+            //debugSerial.println("o");
             if (owChanged) owChanged(si, term[si], t);
             sensors->requestTemperaturesByAddress(term[si]);
             si++;
@@ -192,11 +192,11 @@ void owAdd(DeviceAddress addr) {
     memcpy(term[t_count], addr, 8);
     //term[t_count]=addr;
 
-    Serial.print(F("dev#"));
-    Serial.print(t_count);
-    Serial.print(F(" Addr:"));
-    PrintBytes(term[t_count], 8);
-    Serial.println();
+    debugSerial.print(F("dev#"));
+    debugSerial.print(t_count);
+    debugSerial.print(F(" Addr:"));
+    PrintBytes(term[t_count], 8,0);
+    debugSerial.println();
     if (term[t_count][0] == 0x28) {
         sensors->setResolution(term[t_count], TEMPERATURE_PRECISION);
         net->setStrongPullup();
diff --git a/lighthub/utils.cpp b/lighthub/utils.cpp
index ac5357e..d959d67 100644
--- a/lighthub/utils.cpp
+++ b/lighthub/utils.cpp
@@ -19,6 +19,7 @@ e-mail    anklimov@gmail.com
 */
 
 #include "utils.h"
+#include "options.h"
 
 #if defined(__SAM3X8E__) || defined(ARDUINO_ARCH_STM32F1)
 #include <malloc.h>
@@ -134,5 +135,61 @@ void parseBytes(const char *str, char separator, byte *bytes, int maxBytes, int
         str++;                                // Point to next character after separator
     }
 }
+
+#define ARDBUFFER 16 //Buffer for storing intermediate strings. Performance may vary depending on size.
+
+int log(const char *str, ...)//TODO: __FlashStringHelper str support
+{
+    int i, count=0, j=0, flag=0;
+    char temp[ARDBUFFER+1];
+    for(i=0; str[i]!='\0';i++)  if(str[i]=='%')  count++; //Evaluate number of arguments required to be printed
+
+    va_list argv;
+    va_start(argv, count);
+    for(i=0,j=0; str[i]!='\0';i++) //Iterate over formatting string
+    {
+        if(str[i]=='%')
+        {
+            //Clear buffer
+            temp[j] = '\0';
+            Serial.print(temp);
+            j=0;
+            temp[0] = '\0';
+
+            //Process argument
+            switch(str[++i])
+            {
+                case 'd': debugSerial.print(va_arg(argv, int));
+                    break;
+                case 'l': debugSerial.print(va_arg(argv, long));
+                    break;
+                case 'f': debugSerial.print(va_arg(argv, double));
+                    break;
+                case 'c': debugSerial.print((char)va_arg(argv, int));
+                    break;
+                case 's': debugSerial.print(va_arg(argv, char *));
+                    break;
+                default:  ;
+            };
+        }
+        else
+        {
+            //Add to buffer
+            temp[j] = str[i];
+            j = (j+1)%ARDBUFFER;
+            if(j==0)  //If buffer is full, empty buffer.
+            {
+                temp[ARDBUFFER] = '\0';
+                debugSerial.print(temp);
+                temp[0]='\0';
+            }
+        }
+    };
+
+    Serial.println(); //Print trailing newline
+    return count + 1; //Return number of arguments detected
+}
+
+
 #pragma message(VAR_NAME_VALUE(debugSerial))
 #pragma message(VAR_NAME_VALUE(SERIAL_BAUD))
\ No newline at end of file
diff --git a/lighthub/utils.h b/lighthub/utils.h
index 1725b59..4a1945a 100644
--- a/lighthub/utils.h
+++ b/lighthub/utils.h
@@ -25,10 +25,11 @@ e-mail    anklimov@gmail.com
 
 #include <Arduino.h>
 
-void PrintBytes(uint8_t* addr, uint8_t count, bool newline=0); 
+void PrintBytes(uint8_t* addr, uint8_t count, bool newline);
 void SetBytes(uint8_t* addr, uint8_t count, char * out);
 void SetAddr(char * out,  uint8_t* addr);
 uint8_t HEX2DEC(char i);
 int getInt(char ** chan);
 unsigned long freeRam ();
-void parseBytes(const char* str, char separator, byte* bytes, int maxBytes, int base);
\ No newline at end of file
+void parseBytes(const char* str, char separator, byte* bytes, int maxBytes, int base);
+int log(const char *str, ...);
\ No newline at end of file