diff --git a/configs/pepe/home-assistant.nix b/configs/pepe/home-assistant.nix
index 96f8af1..75caa07 100644
--- a/configs/pepe/home-assistant.nix
+++ b/configs/pepe/home-assistant.nix
@@ -103,7 +103,11 @@ in {
       view_overview = {
         name = "Übersicht";
         view = true;
-        entities = [ "group.today" ];
+        entities = [ "group.today" "group.all_sensors" ];
+      };
+      all_sensors = {
+        name = "Sensor Overview";
+        control = "hidden";
       };
 
     };
diff --git a/configs/pepe/home-assistant/zigbee2mqtt.nix b/configs/pepe/home-assistant/zigbee2mqtt.nix
index f81b041..0b15aac 100644
--- a/configs/pepe/home-assistant/zigbee2mqtt.nix
+++ b/configs/pepe/home-assistant/zigbee2mqtt.nix
@@ -2,7 +2,7 @@
 let
 
   # allow new devices to join
-  enablePairing = true;
+  enablePairing = false;
 
   device = "/dev/ttyACM0";
   dataFolder = "/srv/zigbee/data";
@@ -27,10 +27,17 @@ let
       "motion_sensor_7".id = "0x00158d0002f9a6aa";
       "motion_sensor_8".id = "0x00158d0002f04637";
     };
+    door = {
+      "door_sensor_1".id = "0x00158d000312dc52";
+      "door_sensor_2".id = "0x00158d000316d5bf";
+      "door_sensor_3".id = "0x00158d0002f9516f";
+      "door_sensor_4".id = "0x00158d00031383b9";
+      "door_sensor_5".id = "0x00158d0003120d3e";
+    };
   };
 
-  # todo : rename with allSensors
-  allSensors = with sensors; buttons // temperature // motion;
+  # todo : generate automatically
+  allSensors = with sensors; buttons // temperature // motion // door;
 
   zigBee2MqttConfig = {
 
@@ -76,9 +83,11 @@ in {
 
   services.homeAssistantConfig = {
 
-    # group.unknown.entities = [ "sensor.button_1" ];
-
+    # define sensors
+    # --------------
     sensor = let
+
+      # define button sensors
       buttons = with lib;
         mapAttrsToList (name:
           { ... }: [{
@@ -90,6 +99,7 @@ in {
             value_template = "{{ value_json.click }}";
           }]) sensors.buttons;
 
+      # define temperature sensors
       temperature = with lib;
         mapAttrsToList (name:
           { ... }: [
@@ -122,6 +132,7 @@ in {
             }
           ]) sensors.temperature;
 
+      # define meta information sensors
       informations = lib.mapAttrsToList (name:
         { ... }: [
           {
@@ -146,8 +157,12 @@ in {
 
     in lib.flatten (buttons ++ temperature ++ informations);
 
+    # define binary sensors
+    # ---------------------
     binary_sensor = let
 
+      # define motion sensors
+      # ---------------------
       motion = lib.mapAttrsToList (name:
         { ... }: {
           name = name;
@@ -159,13 +174,31 @@ in {
           payload_off = false;
           value_template = "{{ value_json.occupancy }}";
         }) sensors.motion;
-    in lib.flatten (motion);
 
+      # define door sensors
+      # -------------------
+      door = lib.mapAttrsToList (name:
+        { ... }: {
+          name = name;
+          platform = "mqtt";
+          device_class = "door";
+          state_topic = "zigbee2mqtt/${name}";
+          availability_topic = "zigbee2mqtt/bridge/state";
+          payload_on = false;
+          payload_off = true;
+          value_template = "{{ value_json.contact}}";
+        }) sensors.door;
+
+    in lib.flatten (motion ++ door);
+
+    # create groups
+    # -------------
+    # to have nice panels for every device
     group = let
 
       information = name: [ "sensor.battery_${name}" "sensor.link_${name}" ];
 
-      sensor = lib.mapAttrs' (name:
+      sensorButtons = lib.mapAttrs' (name:
         { ... }: {
           name = name;
           value = {
@@ -187,7 +220,7 @@ in {
           };
         }) (sensors.temperature);
 
-      binarySensor = lib.mapAttrs' (name:
+      sensorMotions = lib.mapAttrs' (name:
         { ... }: {
           name = name;
           value = {
@@ -196,6 +229,15 @@ in {
           };
         }) (sensors.motion);
 
+      sensorDoors = lib.mapAttrs' (name:
+        { ... }: {
+          name = name;
+          value = {
+            control = "hidden";
+            entities = [ "binary_sensor.${name}" ] ++ (information name);
+          };
+        }) (sensors.door);
+
       views = {
         view_sensors = {
           name = "Sensoren";
@@ -206,8 +248,18 @@ in {
         };
       };
 
-    in views // sensor // binarySensor // sensorTemperature;
+    in views // sensorButtons // sensorMotions // sensorTemperature
+    // sensorDoors // {
+      all_sensors.entities =
+        (lib.mapAttrsToList (name: { ... }: "sensor.${name}")
+          (sensors.buttons // sensors.temperature))
+        ++ (lib.mapAttrsToList (name: { ... }: "binary_sensor.${name}")
+          (sensors.motion // sensors.door));
+    };
 
+    # create automation
+    # -----------------
+    # todo : this belongs in the home-assistant.nix
     automation = let
 
       lights = map (button: {
@@ -281,10 +333,11 @@ in {
 
   };
 
-  virtualisation.docker.enable = true;
+  # manage zigbee2mqtt
+  # ------------------
 
   # todo : einen eigenen container bauen mit dockerTool : https://nixos.wiki/wiki/Docker
-
+  virtualisation.docker.enable = true;
   systemd.services."zigbee2mqtt" = {
     enable = true;
     description =