diff --git a/.idea/ATC_Sensor_Gateway.iml b/.idea/ATC_Sensor_Gateway.iml
index f571432..d0876a7 100644
--- a/.idea/ATC_Sensor_Gateway.iml
+++ b/.idea/ATC_Sensor_Gateway.iml
@@ -2,7 +2,7 @@
 <module type="PYTHON_MODULE" version="4">
   <component name="NewModuleRootManager">
     <content url="file://$MODULE_DIR$" />
-    <orderEntry type="jdk" jdkName="Python 3.12" jdkType="Python SDK" />
+    <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
   </component>
 </module>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 5a5d9ae..12391f3 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -3,5 +3,5 @@
   <component name="Black">
     <option name="sdkName" value="Python 3.12 (autopicture-v3)" />
   </component>
-  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.12" project-jdk-type="Python SDK" />
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.10" project-jdk-type="Python SDK" />
 </project>
\ No newline at end of file
diff --git a/python/src/data_class.py b/python/src/data_class.py
index 5a05404..9ddfcf8 100644
--- a/python/src/data_class.py
+++ b/python/src/data_class.py
@@ -1,12 +1,30 @@
+from datetime import datetime
+
+
 class Data:
-  def __init__(self, data:dict):
-    self.timestamp = data['timestamp']
-    self.mac = data['mac']
-    self.temperature = data['temperature']
-    self.humidity = data['humidity']
-    self.battery_percent = data['battery_percent']
-    self.battery_volt = data['battery_volt']
-    self.count = data['count']
+  def __init__(self, data):
+    self.timestamp = None
+    self.mac = None
+    self.temperature = None
+    self.humidity = None
+    self.battery_percent = None
+    self.battery_volt = None
+    self.count = None
+    self.parse_data(data)
+
+  def parse_data(self, val):
+    data_bytes = [int(val[i:i + 2], 16) for i in range(0, len(val), 2)]
+
+    if data_bytes[8] > 127:
+      print(data_bytes)
+      data_bytes[8] -= 256
+    self.timestamp = datetime.now().astimezone().replace(microsecond=0).isoformat()
+    self.mac = ":".join(["{:02X}".format(data_bytes[i]) for i in range(2, 8)])
+    self.temperature = (data_bytes[8] * 256 + data_bytes[9]) / 10
+    self.humidity = data_bytes[10]
+    self.battery_percent = data_bytes[11]
+    self.battery_volt = (data_bytes[12] * 256 + data_bytes[13]) / 1000
+    self.count = data_bytes[14]
 
   def print_data(self):
     print(self.to_json())
diff --git a/python/src/discovery.py b/python/src/discovery.py
index afe4609..2c965ff 100644
--- a/python/src/discovery.py
+++ b/python/src/discovery.py
@@ -1,6 +1,5 @@
 from bluepy.btle import DefaultDelegate
 from bluepy.btle import Scanner
-from datetime import datetime
 
 from data_class import Data
 from devices import get_devices as get_device_from_config
@@ -18,10 +17,11 @@ class ScanDelegate(DefaultDelegate):
 
     for (sdid, desc, val) in dev.getScanData():
       if self.is_temperature(sdid, val):
-        data_obj = Data(self.parse_data(val))
+        data_obj = Data(val)
+
         if self.is_atc_device(dev, data_obj):
           device_from_config = self.get_device(dev)
-          devices.append([dev, data_obj])
+          devices.append([dev, data_obj, device_from_config])
 
   @staticmethod
   def is_temperature(sdid, val):
@@ -42,35 +42,22 @@ class ScanDelegate(DefaultDelegate):
     print(f'\tTemp: {data_obj.temperature}°C, Humid: {data_obj.humidity}%, Batt: {data_obj.battery_percent}%\n')
     return True
 
-  @staticmethod
-  def parse_data(val):
-    bytes = [int(val[i:i + 2], 16) for i in range(0, len(val), 2)]
-    if bytes[8] > 127:
-      bytes[8] -= 256
-    return {
-      'timestamp': datetime.now().astimezone().replace(microsecond=0).isoformat(),
-      'mac': ":".join(["{:02X}".format(bytes[i]) for i in range(2, 8)]),
-      'temperature': (bytes[8] * 256 + bytes[9]) / 10,
-      'humidity': bytes[10],
-      'battery_percent': bytes[11],
-      'battery_volt': (bytes[12] * 256 + bytes[13]) / 1000,
-      'count': bytes[14],
-    }
-
   @staticmethod
   def get_device(dev):
     return next((d for d in get_device_from_config() if d.mac == dev.addr.upper()), None)
 
 
-class Discovery:
-  def __init__(self):
-    pass
+def cleanup():
+  global devices
+  devices = []
 
-  def start_discovery(self, timeout=20.0):
-    global devices
-    print(f'Start discovery with timout {timeout}s...')
 
-    scanner = Scanner().withDelegate(ScanDelegate())
-    scanner.scan(timeout=timeout, passive=True)
+def start_discovery(timeout=20.0):
+  cleanup()
+  global devices
+  print(f'Start discovery with timout {timeout}s...')
 
-    return devices
+  scanner = Scanner().withDelegate(ScanDelegate())
+  scanner.scan(timeout=timeout, passive=False)
+
+  return devices
diff --git a/python/src/loop.py b/python/src/loop.py
index 53abbbe..e50ca33 100644
--- a/python/src/loop.py
+++ b/python/src/loop.py
@@ -1,8 +1,9 @@
 from time import sleep
 
+from discovery import start_discovery
+
 
 def start_loop(interval=60):
   while True:
-    from discovery import start_discovery
     start_discovery()
     sleep(interval)
diff --git a/python/src/main.py b/python/src/main.py
index 791c261..089dbe0 100644
--- a/python/src/main.py
+++ b/python/src/main.py
@@ -1,13 +1,7 @@
-from discovery import Discovery
+from discovery import start_discovery
 from data_class import Data
 from loop import start_loop
 from time import sleep
 
-while True:
-  discovery = Discovery()
-  devices = discovery.start_discovery()
-  sleep(10)
-
-
-
+devices = start_discovery()