diff --git a/IOTroutertraffic.ino b/IOTroutertraffic.ino
index 1beb4cd..4073f92 100644
--- a/IOTroutertraffic.ino
+++ b/IOTroutertraffic.ino
@@ -46,13 +46,13 @@ void setup()
   setup_display(); // DISPLAY
   cancella_display(); 
   accendi_backlight();
-  scrivi_display_riga_colore ("CONNECT TO WIFI\r\n"+String(name_sensor_default),32, TFT_BLACK);
+  scrivi_display_riga_colore ("  CONNECT TO WIFI\r\n"+String(name_sensor_default),32, TFT_BLACK);
   WiFiManager wifiManager;
   wifiManager.autoConnect(name_sensor_default);
   
   setup_OTA_MAX();
   cancella_display();
-  scrivi_display_riga_colore ("IOT Traffic\r\n\r\n                by MAX",32,TFT_YELLOW);
+  scrivi_display_riga_colore ("  IOT Traffic\r\n\r\n                by MAX",32,TFT_YELLOW);
   delay(2000);
   cancella_display();
 
@@ -72,7 +72,7 @@ void setup()
     //No time via NTP I reset
     cancella_display();
     DEBUG_PRINTLN("No time, reset");
-    scrivi_display_riga_colore ("NO\r\nNETWORK\r\nTIME",16, TFT_GREEN);
+    scrivi_display_riga_colore (" NO\r\n NETWORK\r\n TIME",16, TFT_GREEN);
     delay(2000);
     ESP.reset(); // resetto se non riceve l'orario da server NTP
     delay(1000);
diff --git a/display_mgm_espi.h b/display_mgm_espi.h
index 0c28d9a..0709a22 100644
--- a/display_mgm_espi.h
+++ b/display_mgm_espi.h
@@ -146,7 +146,7 @@ int scan = 1;
       for (int8_t j = 0; j < 2 * (i + 1); j++) 
       {
         if (quality > i * 25 || j == 0) {
-          tft.drawPixel(305 + 2 * i, 6 - j, TFT_WHITE);
+          tft.drawPixel(309 + 2 * i, 6 - j, TFT_WHITE);
         }
       }
     }
@@ -682,19 +682,19 @@ void disegna(long int received_speed, long int sent_speed, int avg_time_ms)
   Time =(Time *2) ;//timedelay compensation 
   double gx = 1, gy = 185, w = 210, h = 170;
 
-  if (millis() - runTime >= (Time*5000))
-  {
-    runTime=millis();
-    //tft.fillRect(0,gy-h,gx+w,gy,BLACK);
-    tft.fillRect(0,0,320,240,BLACK);
-    scan=1; ///resets X axis
-    x=scan;
-    max_speed_r=300; max_speed_s = 100;
-    graph_3=true;  /// add graphs affected by resetting screen
-    graph_1=true;  // radial meters are un affected 
-    graph_2=true;
-    graph_4=true;
-  }
+    if (millis() - runTime >= (Time*5000))
+    {
+      runTime=millis();
+      //tft.fillRect(0,gy-h,gx+w,gy,BLACK);
+      tft.fillRect(0,0,320,240,BLACK);
+      scan=1; ///resets X axis
+      x=scan;
+      max_speed_r=300; max_speed_s = 100;
+      graph_3=true;  /// add graphs affected by resetting screen
+      graph_1=true;  // radial meters are un affected 
+      graph_2=true;
+      graph_4=true;
+    }
   drawWifiQuality();
 
   //void Graph(TFT_eSPI &d, double x, double y, double gx, double gy, double w, double h, double xlo, double xhi, 
diff --git a/preferences.h b/preferences.h
index 3a07e03..f1303ca 100644
--- a/preferences.h
+++ b/preferences.h
@@ -111,19 +111,23 @@ String twoDigits(int digits);
   void callback(char* topic, byte* payload, unsigned int length) 
   {
    #ifndef publisher
+    StaticJsonBuffer<1024> buffer2_MQTT;
+    //JsonObject& stampa_MQTT = buffer2_MQTT.createObject();
     String messaggio;
-    char msg[1024];
+    char msg[1024] = "";
+    JsonVariant read_MQTT;
+    
     int i;
     for (int i = 0; i < length; i++) 
     {
       messaggio += (char)payload[i];
     }
-    DEBUG_PRINT("MQTT Message arrived [");
+    DEBUG_PRINT("MQTT Message [");
     DEBUG_PRINT(messaggio);
     DEBUG_PRINTLN("] ");
     messaggio.toCharArray(msg,1024);
-    JsonVariant read_MQTT = buffer_MQTT.parseObject(msg); //only deserialization, assignement to variables to graph data is made in main code
-    if (!stampa_MQTT.success())
+    read_MQTT = buffer2_MQTT.parseObject(msg); //only deserialization, assignement to variables to graph data is made in main code
+    if (!read_MQTT.success())
     {
       DEBUG_PRINT("Json parsing error"); //additional things?
       return;
@@ -133,7 +137,7 @@ String twoDigits(int digits);
       kbytes_r_xfreq = read_MQTT[String("Kbsec_rec")];
       kbytes_s_xfreq = read_MQTT[String("Kbsec_sent")];
       avg_time_ms = read_MQTT[String("ping")];
-      DEBUG_PRINTLN("kbsec_r = "+String(kbytes_r_xfreq)+"kbsec_s = "+String(kbytes_s_xfreq)+"avg_ping = "+String(avg_time_ms));
+      DEBUG_PRINTLN("kbsec_r = "+String(kbytes_r_xfreq)+" kbsec_s = "+String(kbytes_s_xfreq)+" avg_ping = "+String(avg_time_ms));
     }
     // max & min update
     if (max_speed_r < kbytes_r_xfreq)
@@ -141,6 +145,7 @@ String twoDigits(int digits);
     if (max_speed_s < kbytes_s_xfreq) 
       max_speed_s = kbytes_s_xfreq;
     disegna (kbytes_r_xfreq, kbytes_s_xfreq, avg_time_ms); //kbytes per second on lcd screen
+    messaggio = "";
    #endif
   }