diff --git a/cbpi/__init__.py b/cbpi/__init__.py
index 3330e38..ecee302 100644
--- a/cbpi/__init__.py
+++ b/cbpi/__init__.py
@@ -1,3 +1,3 @@
-__version__ = "4.1.0.rc2"
+__version__ = "4.1.0.rc3"
 __codename__ = "Groundhog Day"
 
diff --git a/cbpi/controller/dashboard_controller.py b/cbpi/controller/dashboard_controller.py
index feef806..2bb77b3 100644
--- a/cbpi/controller/dashboard_controller.py
+++ b/cbpi/controller/dashboard_controller.py
@@ -34,7 +34,7 @@ class DashboardController:
             return {'elements': [], 'pathes': []}
     
     async def add_content(self, dashboard_id, data):
-        print(data)
+        #print(data)
         self.path = self.cbpi.config_folder.get_dashboard_path("cbpi_dashboard_" + str(dashboard_id)+ ".json")
         with open(self.path, 'w') as outfile:
             json.dump(data, outfile, indent=4, sort_keys=True)
diff --git a/cbpi/controller/notification_controller.py b/cbpi/controller/notification_controller.py
index 49b1ac5..1040bf0 100644
--- a/cbpi/controller/notification_controller.py
+++ b/cbpi/controller/notification_controller.py
@@ -45,7 +45,7 @@ class NotificationController:
 
     async def _call_listener(self, title, message, type, action):
         for id, method in self.listener.items():
-            print(id, method)
+            #print(id, method)
             asyncio.create_task(method(self.cbpi, title, message, type, action ))
 
 
diff --git a/cbpi/controller/satellite_controller.py b/cbpi/controller/satellite_controller.py
index c5856be..d11885e 100644
--- a/cbpi/controller/satellite_controller.py
+++ b/cbpi/controller/satellite_controller.py
@@ -40,7 +40,6 @@ class SatelliteController:
         #not sure if required like done in the old routine
         async def cancel_tasks(tasks):
             for task in tasks:
-                print("3232")
                 if task.done():
                     continue
                 task.cancel()
diff --git a/cbpi/extension/httpsensor/__init__.py b/cbpi/extension/httpsensor/__init__.py
index 3b89c69..5b77b6a 100644
--- a/cbpi/extension/httpsensor/__init__.py
+++ b/cbpi/extension/httpsensor/__init__.py
@@ -2,19 +2,34 @@
 import asyncio
 from aiohttp import web
 from cbpi.api import *
-
+import time
 import re
-import random
-
+import logging
+from cbpi.api.dataclasses import NotificationAction, NotificationType
 
 cache = {}
 
-@parameters([Property.Text(label="Key", configurable=True, description="Http Key")])
+@parameters([Property.Text(label="Key", configurable=True, description="Http Key"),
+             Property.Number(label="Timeout", configurable="True",unit="sec",description="Timeout in seconds to send notification (default:60)")
+])
 class HTTPSensor(CBPiSensor):
     def __init__(self, cbpi, id, props):
         super(HTTPSensor, self).__init__(cbpi, id, props)
         self.running = True
         self.value = 0
+        self.timeout=int(self.props.get("Timeout", 60))
+        self.starttime = time.time()
+        self.notificationsend = False
+        self.nextchecktime=self.starttime+self.timeout
+
+    async def Confirm(self, **kwargs):
+        self.nextchecktime = time.time() + self.timeout
+        self.notificationsend = False
+        pass
+
+    async def message(self):
+        self.cbpi.notify("HTTPSensor Timeout", "Sensor " + str(self.id) + " did not respond", NotificationType.WARNING, action=[NotificationAction("OK", self.Confirm)])
+        pass
 
     async def run(self):
         '''
@@ -22,12 +37,19 @@ class HTTPSensor(CBPiSensor):
         In this example the code is executed every second
         '''
         while self.running is True:
+            currenttime=time.time()            
+            if currenttime > self.nextchecktime and self.notificationsend == False:   
+                await self.message()
+                self.notificationsend=True
             try:
                 cache_value = cache.pop(self.props.get("Key"), None)
                 if cache_value is not None:
                     self.value = float(cache_value)
                     self.push_update(self.value)
+                    self.nextchecktime = currenttime + self.timeout
+                    self.notificationsend = False
             except Exception as e:
+                logging.error(e)
                 pass
             await asyncio.sleep(1)
 
diff --git a/cbpi/http_endpoints/http_actor.py b/cbpi/http_endpoints/http_actor.py
index 7738a5a..d3bec9b 100644
--- a/cbpi/http_endpoints/http_actor.py
+++ b/cbpi/http_endpoints/http_actor.py
@@ -247,7 +247,7 @@ class ActorHttpEndpoints():
         """
         actor_id = request.match_info['id']
         data = await request.json()
-        print(data)
+        #print(data)
         await self.controller.call_action(actor_id, data.get("action"), data.get("parameter"))
 
         return web.Response(status=204)
\ No newline at end of file
diff --git a/cbpi/http_endpoints/http_dashboard.py b/cbpi/http_endpoints/http_dashboard.py
index f24fe0c..38073cf 100644
--- a/cbpi/http_endpoints/http_dashboard.py
+++ b/cbpi/http_endpoints/http_dashboard.py
@@ -69,7 +69,7 @@ class DashBoardHttpEndpoints:
         data = await request.json()
         dashboard_id = int(request.match_info['id'])
         await self.cbpi.dashboard.add_content(dashboard_id, data)
-        print("##### SAVE")
+        #print("##### SAVE")
         return web.Response(status=204)
 
     @request_mapping(path="/{id:\d+}/content", method="DELETE", auth_required=False)
diff --git a/cbpi/http_endpoints/http_fermenterrecipe.py b/cbpi/http_endpoints/http_fermenterrecipe.py
index e974e3e..e653d76 100644
--- a/cbpi/http_endpoints/http_fermenterrecipe.py
+++ b/cbpi/http_endpoints/http_fermenterrecipe.py
@@ -58,7 +58,7 @@ class FermenterRecipeHttpEndpoints():
                 description: successful operation
         """
         data = await request.json()
-        print(data)
+        #print(data)
         return web.json_response(dict(id=await self.controller.create(data.get("name"))))
        
     
@@ -90,7 +90,7 @@ class FermenterRecipeHttpEndpoints():
         data = await request.json()
         name = request.match_info['name']
         await self.controller.save(name, data)
-        print(data)
+        #print(data)
         return web.Response(status=204)
     
     @request_mapping(path="/{name}", method="DELETE", auth_required=False)
diff --git a/cbpi/http_endpoints/http_log.py b/cbpi/http_endpoints/http_log.py
index efc716a..8183edb 100644
--- a/cbpi/http_endpoints/http_log.py
+++ b/cbpi/http_endpoints/http_log.py
@@ -239,7 +239,7 @@ class LogHttpEndpoints:
         data = await request.json()
         
         result = await self.cbpi.log.get_data(data)
-        print("JSON")
-        print(json.dumps(result, cls=ComplexEncoder))
-        print("JSON----")
+        #print("JSON")
+        #print(json.dumps(result, cls=ComplexEncoder))
+        #print("JSON----")
         return web.json_response(result, dumps=json_dumps)
diff --git a/cbpi/http_endpoints/http_notification.py b/cbpi/http_endpoints/http_notification.py
index b61e6f2..b25c4e3 100644
--- a/cbpi/http_endpoints/http_notification.py
+++ b/cbpi/http_endpoints/http_notification.py
@@ -35,6 +35,6 @@ class NotificationHttpEndpoints:
 
         notification_id = request.match_info['id']
         action_id = request.match_info['action_id']
-        print(notification_id, action_id)
+        #print(notification_id, action_id)
         self.cbpi.notification.notify_callback(notification_id, action_id)  
         return web.Response(status=204)
\ No newline at end of file
diff --git a/cbpi/http_endpoints/http_recipe.py b/cbpi/http_endpoints/http_recipe.py
index 734149b..9b8a6cc 100644
--- a/cbpi/http_endpoints/http_recipe.py
+++ b/cbpi/http_endpoints/http_recipe.py
@@ -57,7 +57,7 @@ class RecipeHttpEndpoints():
                 description: successful operation
         """
         data = await request.json()
-        print(data)
+        #print(data)
         return web.json_response(dict(id=await self.controller.create(data.get("name"))))
        
     
@@ -89,7 +89,7 @@ class RecipeHttpEndpoints():
         data = await request.json()
         name = request.match_info['name']
         await self.controller.save(name, data)
-        print(data)
+        #print(data)
         return web.Response(status=204)
     
     @request_mapping(path="/{name}", method="DELETE", auth_required=False)
diff --git a/cbpi/http_endpoints/http_sensor.py b/cbpi/http_endpoints/http_sensor.py
index bea7c08..d47aa9a 100644
--- a/cbpi/http_endpoints/http_sensor.py
+++ b/cbpi/http_endpoints/http_sensor.py
@@ -224,7 +224,7 @@ class SensorHttpEndpoints():
         """
         sensor_id = request.match_info['id']
         data = await request.json()
-        print(data)
+        #print(data)
         await self.controller.call_action(sensor_id, data.get("action"), data.get("parameter"))
 
         return web.Response(status=204)
diff --git a/cbpi/utils/encoder.py b/cbpi/utils/encoder.py
index 616d3a9..475ec4d 100644
--- a/cbpi/utils/encoder.py
+++ b/cbpi/utils/encoder.py
@@ -13,10 +13,10 @@ class ComplexEncoder(JSONEncoder):
             elif isinstance(obj, datetime.datetime):
                 return obj.__str__()
             elif isinstance(obj, Timestamp):
-                print("TIMe")
+                #print("TIMe")
                 return obj.__str__()
             else:
-                print(type(obj))
+                #print(type(obj))
                 raise TypeError()
         except Exception as e: