diff --git a/CO2_Gadget.ino b/CO2_Gadget.ino
index 2315136b..797262ec 100644
--- a/CO2_Gadget.ino
+++ b/CO2_Gadget.ino
@@ -144,7 +144,7 @@ bool displayNotification(String notificationText, String notificationText2, noti
 bool displayNotification(String notificationText, notificationTypes notificationType) { return true; }
 #endif
 #if defined(SUPPORT_OLED) || defined(SUPPORT_TFT)
-void setDisplayBrightness(uint32_t newBrightness);
+// void setDisplayBrightness(uint32_t newBrightness);
 #endif
 
 /*****************************************************************************************************/
@@ -365,10 +365,18 @@ void readingsLoop() {
 }
 
 void displayLoop() {
+
+#if defined(SUPPORT_OLED) || defined(SUPPORT_TFT)
+    if (actualDisplayBrightness != DisplayBrightness) {
+        setDisplayBrightness(DisplayBrightness);
+        actualDisplayBrightness = DisplayBrightness;
+    }
+#endif
+
     if (timeToDisplayOff == 0)  // TFT Always ON
         return;
 
-    // If configured not to turn off the display on external power and actual voltage is more than those of a maximum loaded batery + 5%, do nothing and return
+    // If configured not to turn off the display on external power and actual voltage is more than those of a maximum loaded batery + 5% (so asume it's working on external power), do nothing and return
     if ((!displayOffOnExternalPower) && (battery_voltage * 1000 > batteryFullyChargedMillivolts + (batteryFullyChargedMillivolts * 5 / 100))) {
         if (actualDisplayBrightness == 0)  // When USB connected & TFT is OFF -> Turn Display ON
         {
@@ -385,7 +393,6 @@ void displayLoop() {
 #if defined(SUPPORT_OLED) || defined(SUPPORT_TFT)
         turnOffDisplay();
 #endif
-        actualDisplayBrightness = 0;
     }
 }
 
@@ -408,7 +415,7 @@ void utilityLoop() {
         Serial.printf("-->[BATT] Battery voltage: %.2fV. Increasing CPU frequency to 240MHz\n", battery_voltage);
         Serial.flush();
         Serial.end();
-        setCpuFrequencyMhz(240);  // High CPU frequency when working on USB power
+        setCpuFrequencyMhz(240);  // High CPU frequency when working on external power
         Serial.begin(115200);
         lastCheckedVoltage = battery_voltage;
     } else if (battery_voltage < 4.5 && actualCPUFrequency != 80) {
@@ -420,7 +427,6 @@ void utilityLoop() {
         lastCheckedVoltage = battery_voltage;
     } else if (battery_voltage != lastCheckedVoltage) {
         // The voltage has changed, but the CPU frequency is already at the desired value.
-        // Handle any additional actions needed in this case.
         lastCheckedVoltage = battery_voltage;
     }
 }
diff --git a/CO2_Gadget_BLE.h b/CO2_Gadget_BLE.h
index 515318c5..4459d708 100644
--- a/CO2_Gadget_BLE.h
+++ b/CO2_Gadget_BLE.h
@@ -2,8 +2,12 @@
 #define CO2_Gadget_BLE_h
 
 #include "Sensirion_Gadget_BLE.h"
+#include "WifiMultiLibraryWrapper.h"
+
 NimBLELibraryWrapper lib;
-DataProvider provider(lib, DataType::T_RH_CO2_ALT);
+WifiMultiLibraryWrapper wifi;
+DataProvider provider(lib, DataType::T_RH_CO2_ALT, true, false, false, &wifi);
+// DataProvider provider(lib, DataType::T_RH_CO2_ALT);
 
 void initBLE() {
     if (activeBLE) {
diff --git a/CO2_Gadget_OLED.h b/CO2_Gadget_OLED.h
index c819bf6c..d9e1bc47 100644
--- a/CO2_Gadget_OLED.h
+++ b/CO2_Gadget_OLED.h
@@ -27,10 +27,12 @@ int displayHeight = 64;
 void setDisplayBrightness(uint32_t newBrightness) {
   Serial.printf("-->[OLED] Setting display brightness value at %d\n", newBrightness);
   u8g2.setContrast(newBrightness);
+  actualDisplayBrightness = DisplayBrightness;
 }
 
 void turnOffDisplay() {
-  setDisplayBrightness(0); // Turn off the display
+  setDisplayBrightness(0); // Turn off the display  
+    actualDisplayBrightness = 0;
 }
 
 void displaySplashScreen() {
diff --git a/CO2_Gadget_Preferences.h b/CO2_Gadget_Preferences.h
index ad5977ab..9aa0ecfe 100644
--- a/CO2_Gadget_Preferences.h
+++ b/CO2_Gadget_Preferences.h
@@ -368,7 +368,7 @@ bool handleSavePreferencesfromJSON(String jsonPreferences) {
         if (DisplayBrightness != JsonDocument["DisplayBright"]) {
             DisplayBrightness = JsonDocument["DisplayBright"];
 #if defined(SUPPORT_OLED) || defined(SUPPORT_TFT)
-            setDisplayBrightness(DisplayBrightness);
+            // setDisplayBrightness(DisplayBrightness);
 #endif
         }
         neopixelBrightness = JsonDocument["neopixBright"];
diff --git a/CO2_Gadget_TFT.h b/CO2_Gadget_TFT.h
index 84238e9a..eb55d915 100644
--- a/CO2_Gadget_TFT.h
+++ b/CO2_Gadget_TFT.h
@@ -26,8 +26,8 @@
 #define FF90 &ArchivoNarrow_Regular10pt7b
 #define FF95 &FontCO2GadgetDigits50pt7b
 
-// RAM:   [==        ]  21.4% (used 69976 bytes from 327680 bytes)
-// Flash: [==========]  95.3% (used 1874104 bytes from 1966080 bytes)
+// RAM:   [===       ]  29.6% (used 97060 bytes from 327680 bytes)
+// Flash: [=======   ]  71.8% (used 1411157 bytes from 1966080 bytes)
 
 uint16_t iconDefaultColor = TFT_CYAN;
 
@@ -35,13 +35,17 @@ TFT_eSPI tft =
     TFT_eSPI(135, 240);  // Invoke library, pins defined in User_Setup.h
 
 void setDisplayBrightness(uint32_t newBrightness) {
+    Serial.printf("-->[TFT ] Actual display brightness value at %d\n", actualDisplayBrightness);
     Serial.printf("-->[TFT ] Setting display brightness value at %d\n", newBrightness);
-    ledcWrite(0, newBrightness);  // 0-15, 0-255 (with 8 bit resolution); 0=totally
+    ledcWrite(BACKLIGHT_PWM_CHANNEL, newBrightness);  // 0-15, 0-255 (with 8 bit resolution); 0=totally
                                   // dark;255=totally shiny
+    Serial.printf("-->[TFT ] Actual display brightness value (ledcRead) at %d\n", ledcRead(BACKLIGHT_PWM_CHANNEL));
+    actualDisplayBrightness = DisplayBrightness;
 }
 
 void turnOffDisplay() {
     setDisplayBrightness(0);  // Turn off the display
+    actualDisplayBrightness = 0;
 }
 
 void displaySplashScreen() {
@@ -55,8 +59,8 @@ void displaySplashScreen() {
 void initDisplay() {
     Serial.printf("-->[TFT ] Initializing display\n");
     pinMode(BACKLIGHT_PIN, OUTPUT);
-    ledcSetup(0, 5000, 8);            // 0-15, 5000, 8
-    ledcAttachPin(BACKLIGHT_PIN, 0);  // TFT_BL, 0 - 15
+    ledcSetup(BACKLIGHT_PWM_CHANNEL, BACKLIGHT_PWM_FREQUENCY, 8);            // 0-15, 5000, 8
+    ledcAttachPin(BACKLIGHT_PIN, BACKLIGHT_PWM_CHANNEL);  // TFT_BL, 0 - 15
     setDisplayBrightness(DisplayBrightness);
     tft.init();
     if (displayReverse) {
diff --git a/CO2_Gadget_WIFI.h b/CO2_Gadget_WIFI.h
index 52974ae2..48a98f6d 100644
--- a/CO2_Gadget_WIFI.h
+++ b/CO2_Gadget_WIFI.h
@@ -17,6 +17,123 @@
 WiFiClient espClient;
 AsyncWebServer server(80);
 
+void printSmallChar(char c, int row) {
+  switch (c) {
+    case '0':
+      switch (row) {
+        case 0: Serial.print(" 000 "); break;
+        case 1: Serial.print("0   0"); break;
+        case 2: Serial.print("0   0"); break;
+        case 3: Serial.print("0   0"); break;
+        case 4: Serial.print(" 000 "); break;
+      }
+      break;
+    case '1':
+      switch (row) {
+        case 0: Serial.print("  1  "); break;
+        case 1: Serial.print(" 11  "); break;
+        case 2: Serial.print("  1  "); break;
+        case 3: Serial.print("  1  "); break;
+        case 4: Serial.print(" 111 "); break;
+      }
+      break;
+    case '2':
+      switch (row) {
+        case 0: Serial.print(" 222 "); break;
+        case 1: Serial.print("    2"); break;
+        case 2: Serial.print("  22 "); break;
+        case 3: Serial.print(" 2   "); break;
+        case 4: Serial.print(" 2222"); break;
+      }
+      break;
+    case '3':
+      switch (row) {
+        case 0: Serial.print(" 333 "); break;
+        case 1: Serial.print("    3"); break;
+        case 2: Serial.print("  33 "); break;
+        case 3: Serial.print("    3"); break;
+        case 4: Serial.print(" 333 "); break;
+      }
+      break;
+    case '4':
+      switch (row) {
+        case 0: Serial.print("4   4"); break;
+        case 1: Serial.print("4   4"); break;
+        case 2: Serial.print("44444"); break;
+        case 3: Serial.print("    4"); break;
+        case 4: Serial.print("    4"); break;
+      }
+      break;
+    case '5':
+      switch (row) {
+        case 0: Serial.print("55555"); break;
+        case 1: Serial.print("5    "); break;
+        case 2: Serial.print("555  "); break;
+        case 3: Serial.print("    5"); break;
+        case 4: Serial.print("555  "); break;
+      }
+      break;
+    case '6':
+      switch (row) {
+        case 0: Serial.print(" 666 "); break;
+        case 1: Serial.print("6    "); break;
+        case 2: Serial.print("6666 "); break;
+        case 3: Serial.print("6   6"); break;
+        case 4: Serial.print(" 666 "); break;
+      }
+      break;
+    case '7':
+      switch (row) {
+        case 0: Serial.print("77777"); break;
+        case 1: Serial.print("    7"); break;
+        case 2: Serial.print("   7 "); break;
+        case 3: Serial.print("  7  "); break;
+        case 4: Serial.print(" 7   "); break;
+      }
+      break;
+    case '8':
+      switch (row) {
+        case 0: Serial.print(" 888 "); break;
+        case 1: Serial.print("8   8"); break;
+        case 2: Serial.print(" 888 "); break;
+        case 3: Serial.print("8   8"); break;
+        case 4: Serial.print(" 888 "); break;
+      }
+      break;
+    case '9':
+      switch (row) {
+        case 0: Serial.print(" 999 "); break;
+        case 1: Serial.print("9   9"); break;
+        case 2: Serial.print(" 9999"); break;
+        case 3: Serial.print("    9"); break;
+        case 4: Serial.print(" 999 "); break;
+      }
+      break;
+    case '.':
+      switch (row) {
+        case 0: Serial.print("    "); break;
+        case 1: Serial.print("    "); break;
+        case 2: Serial.print("    "); break;
+        case 3: Serial.print("    "); break;
+        case 4: Serial.print("  o "); break;
+      }
+      break;
+    default:
+      Serial.print("    "); // Default character for unhandled
+      break;
+  }
+}
+
+void printLargeASCII(const char* text) {
+  for (int row = 0; row < 5; row++) { // 5 rows for each character
+    for (int i = 0; i < strlen(text); i++) {
+      printSmallChar(text[i], row);
+      Serial.print(" "); // Space between characters
+    }
+    Serial.println(); // New line after each row of characters
+  }
+}
+
 void onWifiSettingsChanged(std::string ssid, std::string password) {
     Serial.print("-->[WiFi] WifiSetup: SSID = ");
     Serial.print(ssid.c_str());
@@ -467,6 +584,9 @@ void initWifi() {
         Serial.println(MACAddress);
         Serial.print("-->[WiFi] WiFi connected - IP = ");
         Serial.println(WiFi.localIP());
+        Serial.println("");
+        printLargeASCII(WiFi.localIP().toString().c_str());
+        Serial.println("");
 #ifdef SUPPORT_MDNS
         mDNSName = WiFi.getHostname();
         initMDNS();
diff --git a/platformio.ini b/platformio.ini
index bd3be216..58b92242 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -57,7 +57,7 @@ build_flags =
 
     -D MQTT_BROKER_SERVER="\"192.168.1.145"\"
     -D CO2_GADGET_VERSION="\"0.8."\"
-    -D CO2_GADGET_REV="\"010"\"
+    -D CO2_GADGET_REV="\"013-development"\"
     -D CORE_DEBUG_LEVEL=0
     -DNEOPIXEL_PIN=26		; Pinnumber for button for down/next and back / exit actions
     -DNEOPIXEL_COUNT=16     ; How many neopixels to control
@@ -152,6 +152,8 @@ build_flags =
     -DSUPPORT_TFT
     -DTTGO_TDISPLAY=1	
     -DBACKLIGHT_PIN=4      ; Pin used for backlight 
+    -DBACKLIGHT_PWM_CHANNEL=0      ; PWM Channel used for backlight 
+    -DBACKLIGHT_PWM_FREQUENCY=1000      ; PWM Frequency used for backlight 
 	-DUSER_SETUP_LOADED=1
 	-DST7789_DRIVER=1
 	-DENABLE_TFT=1
@@ -198,7 +200,9 @@ build_flags =
     -DBTN_DWN=0			    ; Pinnumber for button for down/next and back / exit actions
     -DSUPPORT_TFT
     -DTTGO_TDISPLAY=1	
-    -DBACKLIGHT_PIN=4      ; Pin used for backlight 
+    -DBACKLIGHT_PIN=4      ; Pin used for backlight     
+    -DBACKLIGHT_PWM_CHANNEL=1      ; PWM Channel used for backlight 
+    -DBACKLIGHT_PWM_FREQUENCY=5000      ; PWM Frequency used for backlight 
 	-DUSER_SETUP_LOADED=1
 	-DST7789_DRIVER=1
 	-DENABLE_TFT=1