diff --git a/workflow2.py b/workflow2.py
index de7999c..02e1aae 100644
--- a/workflow2.py
+++ b/workflow2.py
@@ -24,8 +24,8 @@ import lib.wledControl as wledControl
 # ## in der Ui_MainWindow-Klasse wird die GUI erstellt - der MainThread läuft in dieser -> Farben Drop Down
 
 
-## Aufsetzen der Datenbank und Waagenverbindung
-# Definieren der Datenbankverbindung
+# ## Aufsetzen der Datenbank und Waagenverbindung
+# # Definieren der Datenbankverbindung
 db_config = {
     'user': 'dbUser',
     'password': 'dbPassword',
@@ -34,10 +34,24 @@ db_config = {
     'port': 3306  # Standard port for MariaDB
 }
 
-# Establishing the connection
-conn = mariadb.connect(**db_config)
-# Create a cursor to execute queries
-cursor = conn.cursor()
+# # Establishing the connection
+# conn = mariadb.connect(**db_config)
+# # Create a cursor to execute queries
+# cursor = conn.cursor()
+
+try:
+    # Attempt to establish the connection
+    conn = mariadb.connect(**db_config)
+    print("Database connection established successfully.")
+    
+    # Create a cursor to execute queries
+    cursor = conn.cursor()
+except mariadb.Error as e:
+    # Handle connection errors
+    print(f"Error connecting to the database: {e}")
+    conn = None
+    cursor = None
+
 
 # Configuration of the serial port
 try:
@@ -487,10 +501,8 @@ class Ui_MainWindow(object):
 
         # new camera workflow
         self.startCamBtn.setText(_translate("MainWindow", "Start Camera"))
-        # self.startCamBtn.clicked.connect(self.startCamBtnClicked)
         self.stopCamBtn.setText(_translate("MainWindow", "Stop Camera"))
         self.camWorkFlowcheckBox.setText(_translate("MainWindow", "Camera Workflow"))
-        # self.camWorkFlowcheckBox.clicked.connect(self.onCheckboxCheck)
         self.modelComboBox
 
         # relay control buttons
@@ -504,7 +516,6 @@ class Ui_MainWindow(object):
         self.offLightBtn.setText(_translate("MainWindow", "Turn off all LEDs"))
         self.blinkLightBtn.setText(_translate("MainWindow", "Blink last LED"))
 
-
     def mousePressEvent(self, event):
         print("Das MainWindow wurde angeklickt.")
         self.setFocus()
@@ -565,6 +576,9 @@ class Ui_MainWindow(object):
         for col in range(tableObject.columnCount()-1):
             tableObject.item(rowID, col).setBackground(QtGui.QColor(r,g,b))
 
+        # call change led color
+        light_app.map_color_to_led(r,g,b)
+
     def auftragsBtnClicked(self):
         databaseQueryWorking = False   #wird für die Überprüfung, ob die Datenbankabfrage fehlerhaft ist, verwendet  
         auftragEinzelteilDaten = []
@@ -815,7 +829,6 @@ class Ui_MainWindow(object):
             self.checkWaageThread.wait()
             print("Der CheckWaage-Thread wurde beendet.")
 
-
 # new class for Camera Object detection with YOLOv8
 class CameraStreamApp(QtWidgets.QMainWindow):
     def __init__(self, ui):
@@ -867,7 +880,7 @@ class CameraStreamApp(QtWidgets.QMainWindow):
 
                 # Convert the frame from BGR (OpenCV format) to RGB
                 # frame = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
-                frame = cv2.cvtColor(processed_frame, cv2.COLOR_BGR2RGB) # might change nomenclature later?
+                frame = cv2.cvtColor(processed_frame, cv2.COLOR_BGR2RGB)
 
                 # Convert the frame to QImage
                 h, w, ch = frame.shape
@@ -897,17 +910,45 @@ class LightControl(QtWidgets.QMainWindow):
         super().__init__()
         self.ui = ui
 
+        # init relay control
         self.ui.startSpotlightBtn.clicked.connect(self.spot_on)
         self.ui.stopSpotlightBtn.clicked.connect(self.spot_off)
         self.r = sainsmartrelay.SainsmartRelay()
-
+        
+        # init led control
         self.ui.redLightBtn.clicked.connect(self.red_on)
         self.ui.yellowLightBtn.clicked.connect(self.yellow_on)
         self.ui.greenLightBtn.clicked.connect(self.green_on)
         self.ui.offLightBtn.clicked.connect(self.leds_off)
         self.ui.blinkLightBtn.clicked.connect(self.leds_blink)
         self.w = wledControl.WLEDController(port="/dev/serial/by-path/pci-0000:00:14.0-usbv2-0:1:1.0-port0")
+        # self.w.switch_to_green() # at appstart the light is green
+        # self.w.change_effect() # and switches to green blinking until the workflow gets started successfully
+    
+    def map_color(self, color):
+        """
+        Map an RGB color to the corresponding WLED action based on predefined ranges.
+        
+        :param color: A tuple of (R, G, B) values, where each component is an integer between 0 and 255.
+        """
+        red, green, blue = color
 
+        # Check if the color is red (high R, low G and B)
+        if red > 200 and green < 100 and blue < 100:
+            self.switch_to_red()
+
+        # Check if the color is green (high G, low R and B)
+        elif red < 100 and green > 200 and blue < 100:
+            self.switch_to_green()
+
+        # Check if the color is yellow (high R and G, low B)
+        elif red > 200 and green > 200 and blue < 100:
+            self.switch_to_yellow()
+
+        # If none of the above, turn off the LEDs
+        else:
+            self.turn_off_all()
+        
     def spot_on(self):
         print("Turn on light clicked")
         self.r.turn_on(1)