diff --git a/ESP32/StadlerHomeKitUpgrade/DEV_LED.h b/ESP32/StadlerHomeKitUpgrade/DEV_LED.h
new file mode 100644
index 0000000..ebea3ab
--- /dev/null
+++ b/ESP32/StadlerHomeKitUpgrade/DEV_LED.h
@@ -0,0 +1,92 @@
+extern int RedHomeKit;
+extern int GreenHomeKit;
+extern int BlueHomeKit;
+
+
+struct DEV_RgbLED : Service::LightBulb {       // RGB LED (Command Cathode)
+  
+  SpanCharacteristic *power;                   // reference to the On Characteristic
+  SpanCharacteristic *H;                       // reference to the Hue Characteristic
+  SpanCharacteristic *S;                       // reference to the Saturation Characteristic
+  SpanCharacteristic *V;                       // reference to the Brightness Characteristic
+  
+  DEV_RgbLED() : Service::LightBulb(){       // constructor() method
+
+    power=new Characteristic::On();                    
+    H=new Characteristic::Hue(100);              // instantiate the Hue Characteristic with an initial value of 0 out of 360
+    S=new Characteristic::Saturation(100);       // instantiate the Saturation Characteristic with an initial value of 0%
+    V=new Characteristic::Brightness(100);     // instantiate the Brightness Characteristic with an initial value of 100%
+    V->setRange(5,100,1);                      // sets the range of the Brightness to be from a min of 5%, to a max of 100%, in steps of 1%
+
+    char cBuf[128];
+    Serial.print(cBuf);
+    
+  } // end constructor
+
+  boolean update(){                         // update() method
+
+    boolean p;
+    float v, h, s, r, g, b;
+
+    h=H->getVal<float>();                      // get and store all current values.  Note the use of the <float> template to properly read the values
+    s=S->getVal<float>();
+    v=V->getVal<float>();                      // though H and S are defined as FLOAT in HAP, V (which is brightness) is defined as INT, but will be re-cast appropriately
+    p=power->getVal();
+
+    char cBuf[128];
+    LOG1(cBuf);
+
+    if(power->updated()){
+      p=power->getNewVal();
+      sprintf(cBuf,"Power=%s->%s, ",power->getVal()?"true":"false",p?"true":"false");
+    } else {
+      sprintf(cBuf,"Power=%s, ",p?"true":"false");
+    }
+    LOG1(cBuf);
+      
+    if(H->updated()){
+      h=H->getNewVal<float>();
+      sprintf(cBuf,"H=%.0f->%.0f, ",H->getVal<float>(),h);
+    } else {
+      sprintf(cBuf,"H=%.0f, ",h);
+    }
+    LOG1(cBuf);
+
+    if(S->updated()){
+      s=S->getNewVal<float>();
+      sprintf(cBuf,"S=%.0f->%.0f, ",S->getVal<float>(),s);
+    } else {
+      sprintf(cBuf,"S=%.0f, ",s);
+    }
+    LOG1(cBuf);
+
+    if(V->updated()){
+      v=V->getNewVal<float>();
+      sprintf(cBuf,"V=%.0f->%.0f  ",V->getVal<float>(),v);
+    } else {
+      sprintf(cBuf,"V=%.0f  ",v);
+    }
+    LOG1(cBuf);
+
+    LedPin::HSVtoRGB(h,s/100.0,v/100.0,&r,&g,&b);   // since HomeKit provides S and V in percent, scale down by 100
+
+    int R, G, B;
+
+    // if (trurOnFlag == 1){
+    //   p = 1;
+    // }
+
+    R=p*r*100;                                      // since LedPin uses percent, scale back up by 100, and multiple by status fo power (either 0 or 1)
+    G=p*g*100;
+    B=p*b*100;
+
+    RedHomeKit = R;
+    GreenHomeKit = G;
+    BlueHomeKit = B;
+
+    sprintf(cBuf,"RGB=(%d,%d,%d)\n",R,G,B);
+    LOG1(cBuf);
+
+    return(true);                               // return true
+  }
+};
\ No newline at end of file
diff --git a/ESP32/StadlerHomeKitUpgrade/StadlerHomeKitUpgrade.ino b/ESP32/StadlerHomeKitUpgrade/StadlerHomeKitUpgrade.ino
index 64cdd80..e2030ae 100644
--- a/ESP32/StadlerHomeKitUpgrade/StadlerHomeKitUpgrade.ino
+++ b/ESP32/StadlerHomeKitUpgrade/StadlerHomeKitUpgrade.ino
@@ -5,6 +5,9 @@
 #include "DHT.h"
 #include <Adafruit_NeoPixel.h>
 #include <BH1750.h>
+#include "HomeSpan.h" 
+#include "DEV_LED.h"  
+
 #define Version "0.3.3"
 
 
@@ -67,6 +70,11 @@ BH1750 lightMeter;
 
 
 //MAIN VALUES VARIABLES
+// homekit
+int RedHomeKit = 0;
+int GreenHomeKit = 0;
+int BlueHomeKit = 0;
+
 int8_t resetVal = 0;
 int8_t fanSpeedVal = 1;
 int8_t hygrostatVal = 55;
@@ -171,7 +179,7 @@ uint32_t Wheel(byte pos) {
 }
 
 void setup() {
-  Serial.begin(9600);
+  Serial.begin(115200);
   if (!display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS)) {
     Serial.println(F("SSD1306 allocation failed"));
   }
@@ -215,9 +223,31 @@ void setup() {
   } else {
     dimmVal = 24;
   }
-}
+// ##### HOME SPAN
+ homeSpan.setPairingCode("11122333");
+  homeSpan.setQRID("111-22-333");
+// konfiguracja WIFI przez port szerefowy "W<returm"
+// 1.Płytka ESP32 Dev Module
+// 2 Partycja: Minimal SPIFFS (1.9MB APP with OTA/190KB SPIFFS)
+// 3. konfiguracja WIFI przez port szerefowy komenda "W", U - unpair
+  homeSpan.begin(Category::Bridges,"HomeSpan Bridge");
+
+  new SpanAccessory();  
+    new Service::AccessoryInformation();
+      new Characteristic::Identify();
+
+  new SpanAccessory();                                                          
+    new Service::AccessoryInformation();    
+      new Characteristic::Identify();               
+      new Characteristic::Name("RGB LED"); 
+    new DEV_RgbLED();     
+// ##### HOME SPAN END
+} //setup end
 
 void loop() {
+  neoPixelRed = int(RedHomeKit/10);
+  neoPixelGreen = int(GreenHomeKit/10);
+  neoPixelBlue = int(BlueHomeKit/10);
   // ###################################################
   // WYŚWIETLACZ
   display.clearDisplay();
@@ -447,7 +477,6 @@ void loop() {
   }
 
 
-  delay(100);
   //NEOPIXELS
   //    #################################################################
   //    #################################################################
@@ -465,4 +494,16 @@ void loop() {
   // pixels.setPixelColor(ADR_NEOPXL_TANK,     pixels.Color(neoPixelGreen*dimmVal*neoPixelSwitch*neoPixelTank,    neoPixelRed*dimmVal*neoPixelSwitch*neoPixelTank,     neoPixelBlue*dimmVal*neoPixelSwitch*neoPixelTank));
   pixels.show();
   // rainbowCycle(10); // im mniejsza liczba, tym szybsza animacja
+
+  homeSpan.poll();
+  Serial.println("---------------------------");
+  Serial.print("R: ");
+  Serial.println(RedHomeKit);
+  Serial.print("G: ");
+  Serial.println(GreenHomeKit);
+  Serial.print("B: ");
+  Serial.println(BlueHomeKit);
+
+  delay(500);
+
 }