diff --git a/app/client/log.js b/app/client/log.js
index ae000b7..add5112 100644
--- a/app/client/log.js
+++ b/app/client/log.js
@@ -1,6 +1,7 @@
 Template.log.helpers({
   sensorDataCollection: function() {
-    return SensorData.find({}, {
+    var controllerId = Session.get('controller_id');
+    return SensorData.find({ controllerId: controllerId }, {
       sort: {
         created_at: -1
       }
diff --git a/app/server/api.js b/app/server/api.js
index b2dfa1b..815fc02 100644
--- a/app/server/api.js
+++ b/app/server/api.js
@@ -13,6 +13,7 @@ Api.addRoute('sensorData', {
       humidityValue: parseFloat(this.bodyParams.humidityValue),
       tankFull: this.bodyParams.tankFull,
       owner: this.bodyParams.owner,
+      controllerId: this.bodyParams.controllerId,
       created_at: new Date()
     });
     return [];
diff --git a/controller/sensors.py b/controller/sensors.py
index 7c937ee..87c0766 100644
--- a/controller/sensors.py
+++ b/controller/sensors.py
@@ -3,7 +3,6 @@ import sys
 import requests
 import Adafruit_DHT
 import config
-import config
 import RPi.GPIO as GPIO
 
 # Try to read the state of GPIO_PIN_TANKFULL
@@ -15,13 +14,11 @@ print 'Bacva puna: {}'.format(tankFull)
 
 # Go on to DHT
 SENSOR_TYPE = Adafruit_DHT.DHT11
-
-if len(sys.argv) == 3:
-    owner = sys.argv[1]
-    controller_id = sys.argv[2]
+controller_id = config.CONTROLLER_ID
+owner = "Controller: %s" % controller_id
 else:
-    print 'usage: sudo ./controller.py [OWNER] [CONTROLLER_ID]#'
-    print 'example: sudo ./controller.py Senad 225 - Send temperature as Senad for controller 225'
+    print 'usage: sudo ./sensors.py '
+    print 'example: sudo ./sensors.py Send temperature for controller in config'
     sys.exit(1)
 
 # Try to grab a sensor reading.  Use the read_retry method which will retry up
@@ -36,7 +33,9 @@ humidity, temperature = Adafruit_DHT.read_retry(SENSOR_TYPE, config.GPIO_PIN_DHT
 # guarantee the timing of calls to read the sensor).
 # If this happens try again!
 if temperature is not None and humidity is not None:
-    response = requests.post(config.SENSORDATA_URL, json={"owner": owner, "temperatureValue": temperature, "humidityValue":humidity, "tankFull":tankFull})
+    response = requests.post(config.SENSORDATA_URL, json={"owner": owner, "temperatureValue": temperature, "humidityValue":humidity, "tankFull":tankFull,
+    "controllerId": controller_id
+    })
     print 'Temp={0:0.1f}*C'.format(temperature)
     print 'Humidity={0:0.1f}%'.format(humidity)
     if response.status_code != 200: