diff --git a/ESP32/StadlerHomeKitUpgrade/StadlerHomeKitUpgrade.ino b/ESP32/StadlerHomeKitUpgrade/StadlerHomeKitUpgrade.ino
index 071a67c..6913026 100644
--- a/ESP32/StadlerHomeKitUpgrade/StadlerHomeKitUpgrade.ino
+++ b/ESP32/StadlerHomeKitUpgrade/StadlerHomeKitUpgrade.ino
@@ -4,8 +4,9 @@
 #include <Adafruit_SSD1306.h>
 #include "DHT.h"
 #include <Adafruit_NeoPixel.h>
+#include <BH1750.h>
 
-#define Version "0.1.0"
+#define Version "0.2.0"
 
 
 
@@ -41,6 +42,7 @@
 
 #define NEOPIXEL      27    //GPIO04    D27
 
+#define IN_PHOTOTRA 12
 
 
 //NEO PIXEL ARDESES:
@@ -61,6 +63,7 @@
 Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
 Adafruit_NeoPixel pixels(NUMPIXELS, NEOPIXEL, NEO_GRB + NEO_KHZ800);
 DHT dht(DHTPIN, DHTTYPE);
+BH1750 lightMeter;
 
 
 
@@ -101,12 +104,15 @@ void IRAM_ATTR dimmButtonFcn() {
       if (dimmVal >= 11) {
         dimmVal = 1;
       }
+        digitalWrite(LED_WHT_TANK, HIGH);
 }
 void IRAM_ATTR speedButtonFcn() {
       fanSpeedVal ++;
       if (fanSpeedVal >= 3) {
         fanSpeedVal = 0;
       }
+      digitalWrite(LED_RED_TANK, HIGH);
+
 }
 void IRAM_ATTR hygrostatButtonFcn() {
       hygrostatVal = hygrostatVal + 10; 
@@ -138,15 +144,31 @@ void setup() {
   pinMode(BTN_HYGRSTT, INPUT);
   pinMode(PIN_SPEED_1, OUTPUT);
   pinMode(PIN_SPEED_2, OUTPUT);
+  pinMode(LED_RED_TANK, OUTPUT);
+  pinMode(LED_WHT_TANK, OUTPUT);
+  pinMode(IN_PHOTOTRA, INPUT);
+
+
+
+
   attachInterrupt(digitalPinToInterrupt(BTN_DIMM), dimmButtonFcn, FALLING);
   attachInterrupt(digitalPinToInterrupt(BTN_SPEED), speedButtonFcn, FALLING);
   attachInterrupt(digitalPinToInterrupt(BTN_HYGRSTT), hygrostatButtonFcn, FALLING);
+  Wire.begin();
+  lightMeter.begin();
   dht.begin();
   pixels.begin();
-
 }
 
 void loop() {
+
+    float lux = lightMeter.readLightLevel();
+  Serial.print("Light: ");
+  Serial.print(lux);
+  Serial.println(" lx");
+  delay(1000);
+
+
     display.clearDisplay();
     display.setCursor(90, 0);
     display.println(Version);
@@ -170,11 +192,17 @@ void loop() {
     display.println(hygrostatVal);
     
      hum = (dht.readHumidity());   
-    display.setCursor(0, 20);
-    display.println("Hum:");
-    display.setCursor(28, 20);
-    display.println(hum);
+    // display.setCursor(0, 20);
+    // display.println("Hum:");
+    // display.setCursor(28, 20);
+    // display.println(hum);
     
+  int photoVal = analogRead(IN_PHOTOTRA);
+    display.setCursor(0, 20);
+    display.println("Ph:");
+    display.setCursor(28, 20);
+    display.println(photoVal);
+
     display.setCursor(70, 20);
     display.println("Dimm:");
     display.setCursor(115, 20);
@@ -224,7 +252,10 @@ void loop() {
               }
          }
  
-    delay(50);
+    delay(500);
+
+      digitalWrite(LED_WHT_TANK, LOW);
+      digitalWrite(LED_RED_TANK, LOW);
 //    digitalWrite(PIN_SPEED_1, LOW);
 //    digitalWrite(PIN_SPEED_2, LOW);
 }