diff --git a/ESP32/TempHumLoggerHomeKit/TempHumLogVizualization.xlsx b/ESP32/TempHumLoggerHomeKit/TempHumLogVizualization.xlsx
new file mode 100644
index 0000000..4004a3d
Binary files /dev/null and b/ESP32/TempHumLoggerHomeKit/TempHumLogVizualization.xlsx differ
diff --git a/ESP32/TempHumLoggerHomeKit/TempHumLoggerHomeKit.ino b/ESP32/TempHumLoggerHomeKit/TempHumLoggerHomeKit.ino
index 6b488e4..03dfefe 100644
--- a/ESP32/TempHumLoggerHomeKit/TempHumLoggerHomeKit.ino
+++ b/ESP32/TempHumLoggerHomeKit/TempHumLoggerHomeKit.ino
@@ -9,7 +9,7 @@
 #include "SD.h"
 #include "SPI.h"
 
-#define Version "0.1"
+#define Version "0.11"
 #define WIRE Wire
 #define DHTTYPE DHT22
 #define DHTPIN 4
@@ -52,6 +52,12 @@ float batteryVoltage = 0;
 int batteryBarWidth = 0;
 char dateString[21];
 
+String formatNumber(float number, int decimalPlaces = 1 ) {
+  String str = String(number, decimalPlaces);
+  str.replace('.', ','); 
+  return str;
+}
+
 void setup() {
   Serial.begin(115200);
   Wire.begin(21, 22);
@@ -80,6 +86,15 @@ void setup() {
   pinMode(BTN_UP, INPUT_PULLDOWN );
   pinMode(BTN_ENTER, INPUT_PULLDOWN );
   pinMode(BTN_DOWN, INPUT_PULLDOWN );
+  rtc.now();
+  DateTime now = rtc.now();
+  years = now.year();
+  months = now.month();
+  dayss = now.day();
+  hourss = now.hour();
+  mins = now.minute();
+  secs = now.second();
+  
   display.clearDisplay();
     display.setCursor(0,0);
   if (!SD.begin(SD_CS)) {
@@ -90,21 +105,34 @@ void setup() {
       Serial.println("Karta SD wykryta!");      
     }
     display.setCursor(0,16);
-    
-    // Tworzenie pliku
-    File file = SD.open("/TempHumLog.txt", FILE_APPEND);
-    if (file) {
-        file.println("Dane zapisane z ESP32! V2");
-        file.println(Version);
-        file.println("DataCzas; Temp; Humi; Feel");
-        file.close();
-        display.println("Plik utworzony!");
 
+    
+    if (SD.exists("/TempHumLog.txt")) {
     } else {
-        display.println("Blad zapisu pliku!");
-        display.display();
-        delay(1000);
-    }
+        File file = SD.open("/TempHumLog.txt", FILE_APPEND);
+        file.println("Data; Godzina; Temp; Humi; Feel");
+        file.close();
+
+    }  
+  sprintf(dateString, "%02d/%02d/%4d   %02d:%02d:%02d", now.day(), now.month(), now.year(), now.hour(), now.minute(), now.second());
+    if (SD.exists("/GeneralLog.txt")) {
+    } else {
+        File file = SD.open("/GeneralLog.txt", FILE_APPEND);
+        file.print("Utworzono:  ");
+        file.print(dateString);
+        file.print(" Wersja: ");
+        file.println(Version);
+        file.close();
+    }  
+    File file = SD.open("/GeneralLog.txt", FILE_APPEND);
+    file.print("Uruchomienie:  ");
+    file.print(dateString);
+    file.print(" Wersja: ");
+    file.println(Version);
+    file.close();
+
+
+
     display.display();
     delay(500);
 
@@ -135,27 +163,10 @@ void loop() {
   hourss = now.hour();
   mins = now.minute();
   secs = now.second();
-sprintf(dateString, "%02d/%02d/%4d   %02d:%02d:%02d", now.day(), now.month(), now.year(), now.hour(), now.minute(), now.second());
+  sprintf(dateString, "%02d/%02d/%4d   %02d:%02d:%02d", now.day(), now.month(), now.year(), now.hour(), now.minute(), now.second());
+
 
-    if (mins % 1 == 0 && secs == 0) {
-      
-    
-      File file = SD.open("/TempHumLog.txt", FILE_APPEND);
-         if (file) {
-            display.fillRect(0, 0, 124, 64, SSD1306_WHITE);
-            file.print(dateString);
-            file.print("; ");
-            file.print(temp, 1);
-            file.print("; ");
-            file.print(hum, 1);
-            file.print("; ");
-            file.println(heat_idx, 1);
-            file.close();
-            delay(1000);
-         }
-     }
 
-//zapis na SD:
 
   if (menuL0 == 10 ) {
     //  ############# MENU TEMP
@@ -307,9 +318,7 @@ sprintf(dateString, "%02d/%02d/%4d   %02d:%02d:%02d", now.day(), now.month(), no
   if (menuL0 == 8 ) {
     display.setCursor(0, 0);
     display.print("MENU TECH");
-    adcVoltValue = analogRead(VOLT_IN);  // Odczyt wartości ADC z GPIO36
-    measuredVoltage =  (adcVoltValue * adcMaxVoltage) / adcResolution;  
-    batteryVoltage = (measuredVoltage * voltageDividerFactor)+0.1;
+
     display.setCursor(70,0);
     display.print("V:");
     display.setCursor(85, 0);
@@ -380,11 +389,66 @@ sprintf(dateString, "%02d/%02d/%4d   %02d:%02d:%02d", now.day(), now.month(), no
         hoursToSet = hoursToSet - 1; 
       }
     }
+
+    adcVoltValue = analogRead(VOLT_IN);  // Odczyt wartości ADC z GPIO36
+    measuredVoltage =  (adcVoltValue * adcMaxVoltage) / adcResolution;  
+    batteryVoltage = (measuredVoltage * voltageDividerFactor)+0.1;
+    
+//  Log napiećia docelowoe procent baterii 
+//  kiedy zaden przycisk  nie jest wcisniety
+    if (mins % 1 == 0 && secs == 0) {    
+      File file = SD.open("/GeneralLog.txt", FILE_APPEND);
+         if (file) {
+            display.fillRect(0, 0, 124, 64, SSD1306_WHITE);
+            file.print(dateString);
+            file.print(" Battery V:  ");
+            file.println(formatNumber(batteryVoltage, 2));
+            file.close();
+         }
+     }
+
   
+
+  //zapis na SD:
+    if (mins % 1 == 0 && secs == 0) {    
+      File file = SD.open("/TempHumLog.txt", FILE_APPEND);
+         if (file) {
+            display.fillRect(0, 0, 124, 64, SSD1306_WHITE);
+            file.print(leadZero(dayss));
+            file.print("/");
+            file.print(leadZero(months));
+            file.print("/");
+            file.print(years);
+            file.print("; ");
+            file.print(hourss);
+            file.print(":");
+            file.print(leadZero(mins));
+            file.print("; ");
+            file.print(formatNumber(temp));
+            file.print("; ");
+            file.print(formatNumber(hum));
+            file.print("; ");
+            file.println(formatNumber(heat_idx));
+            file.close();
+            delay(1000);
+         }
+     }
   display.display();
   delay(150);
   yield();
 }
+
+String leadZero(float number) {
+  String str = String(int(number)); 
+  str.trim();
+  if (number < 10) {
+    str = "0" + str;
+  }
+  return str;
+}
+
+
+
 //
 //float interpolate(float x, float x0, float x1, float y0, float y1) {
 //  return y0 + (x - x0) * (y1 - y0) / (x1 - x0);