diff --git a/__simulation__/__init__.py b/__simulation__/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/__simulation__/devices.py b/__simulation__/devices.py
new file mode 100644
index 0000000..bb97d45
--- /dev/null
+++ b/__simulation__/devices.py
@@ -0,0 +1,560 @@
+import colored
+import json
+import sys
+import time
+
+# TODO: implement my powerplug
+
+COLOR_GUI_ACTIVE = colored.fg("light_blue")
+COLOR_GUI_PASSIVE = COLOR_GUI_ACTIVE + colored.attr("dim")
+COLOR_SHELLY_1 = colored.fg("light_magenta")
+COLOR_SHELLY_2 = colored.fg("light_cyan")
+COLOR_LIGHT_ACTIVE = colored.fg("yellow")
+COLOR_LIGHT_PASSIVE = COLOR_LIGHT_ACTIVE + colored.attr("dim")
+COLOR_MOTION_SENSOR = colored.fg("red")
+
+
+def payload_filter(payload):
+    try:
+        return json.loads(payload)
+    except json.decoder.JSONDecodeError:
+        return payload.decode("utf-8")
+
+
+def percent_print(value):
+    for i in range(0, 10):
+        if (value - 5) > 10*i:
+            sys.stdout.write(u"\u25ac")
+        else:
+            sys.stdout.write(u"\u25ad")
+
+
+def command_int_value(value):
+    try:
+        return int(value)
+    except TypeError:
+        print("You need to give a integer parameter not '%s'" % str(value))
+
+
+class base(object):
+    AUTOSEND = True
+    COMMANDS = []
+
+    def __init__(self, mqtt_client, topic):
+        self.mqtt_client = mqtt_client
+        self.topic = topic
+        #
+        self.data = {}
+        self.callbacks = {}
+        self.commands = self.COMMANDS[:]
+        #
+        self.mqtt_client.add_callback(self.topic, self.__rx__)
+        self.mqtt_client.add_callback(self.topic + '/#', self.__rx__)
+
+    def add_callback(self, key, callback, value):
+        if self.callbacks.get(key) is None:
+            self.callbacks[key] = []
+        self.callbacks[key].append((callback, value))
+
+    def capabilities(self):
+        return self.commands
+
+    def store_data(self, *args, **kwargs):
+        keys_changed = []
+        for key in kwargs:
+            if kwargs[key] is not None and kwargs[key] != self.data.get(key):
+                keys_changed.append(key)
+                self.data[key] = kwargs[key]
+                for callback, value in self.callbacks.get(key, [(None, None)]):
+                    if callback is not None and (value is None or value == kwargs[key]):
+                        callback(self, key, kwargs[key])
+        if self.AUTOSEND and len(keys_changed) > 0:
+            self.__tx__(keys_changed)
+
+    def __tx__(self, keys_changed):
+        self.mqtt_client.send(self.topic, json.dumps(self.data))
+
+    def __rx__(self, client, userdata, message):
+        print("%s: __rx__ not handled!" % self.__class__.__name__)
+
+
+class shelly(base):
+    KEY_OUTPUT_0 = "relay/0"
+    KEY_OUTPUT_1 = "relay/1"
+    #
+    COMMANDS = [
+        "get_relay_0", "set_relay_0", "unset_relay_0",
+        "get_relay_1", "set_relay_1", "unset_relay_1",
+    ]
+
+    def __init__(self, mqtt_client, topic):
+        super().__init__(mqtt_client, topic)
+        #
+        self.store_data(**{self.KEY_OUTPUT_0: "off", self.KEY_OUTPUT_1: "off"})
+        self.add_callback(self.KEY_OUTPUT_0, self.print_formatted, None)
+
+    def __rx__(self, client, userdata, message):
+        value = payload_filter(message.payload)
+        if message.topic == self.topic + "/relay/0/command":
+            if value in ['on', 'off']:
+                self.store_data(**{self.KEY_OUTPUT_0: value})
+            elif value == 'toggle':
+                self.store_data(**{self.KEY_OUTPUT_0: 'on' if self.data.get(self.KEY_OUTPUT_0) == 'off' else 'off'})
+        elif message.topic == self.topic + "/relay/1/command":
+            if value in ['on', 'off']:
+                self.store_data(**{self.KEY_OUTPUT_1: value})
+            elif value == 'toggle':
+                self.store_data(**{self.KEY_OUTPUT_1: 'on' if self.data.get(self.KEY_OUTPUT_1) == 'off' else 'off'})
+
+    def __tx__(self, keys_changed):
+        for key in keys_changed:
+            self.mqtt_client.send(self.topic + '/' + key, self.data.get(key))
+
+    def command(self, command):
+        if command in self.COMMANDS:
+            if command == self.COMMANDS[0]:
+                self.print_formatted(self, self.KEY_OUTPUT_0, self.data.get(self.KEY_OUTPUT_0))
+            elif command == self.COMMANDS[1]:
+                self.store_data(**{self.KEY_OUTPUT_0: "on"})
+            elif command == self.COMMANDS[2]:
+                self.store_data(**{self.KEY_OUTPUT_0: "off"})
+            elif command == self.COMMANDS[3]:
+                self.print_formatted(self, self.KEY_OUTPUT_1, self.data.get(self.KEY_OUTPUT_1))
+            elif command == self.COMMANDS[4]:
+                self.store_data(**{self.KEY_OUTPUT_1: "on"})
+            elif command == self.COMMANDS[5]:
+                self.store_data(**{self.KEY_OUTPUT_1: "off"})
+            else:
+                print("%s: not yet implemented!" % command)
+        else:
+            print("Unknown command!")
+
+    def print_formatted(self, device, key, value):
+        if value is not None:
+            if key == shelly.KEY_OUTPUT_0:
+                color = COLOR_SHELLY_1
+            else:
+                color = COLOR_SHELLY_2
+            if value == "on":
+                print(color + 10 * ' ' + u'\u2b24' + 6 * ' ' + " - ".join(self.topic.split('/')[1:]) + colored.attr("reset"))
+            else:
+                print(color + 10 * ' ' + u'\u25ef' + 6 * ' ' + " - ".join(self.topic.split('/')[1:]) + colored.attr("reset"))
+
+
+class my_powerplug(base):
+    COMMANDS = [
+        "get_state", "set_state", "unset_state",
+    ]
+
+    def __init__(self, mqtt_client, topic, names=[]):
+        super().__init__(mqtt_client, topic)
+        #
+        self.names = []
+        #
+        for i in range(0, 4):
+            self.data[str(i)] = False
+            try:
+                self.names.append(names[i])
+            except IndexError:
+                self.names.append("Channel %d" % (i + 1))
+            self.add_callback(str(i), self.print_formatted, None)
+
+    def __rx__(self, client, userdata, message):
+        if message.topic.startswith(self.topic + '/output/') and message.topic.endswith('/set'):
+            channel = int(message.topic.split('/')[-2]) - 1
+            payload = payload_filter(message.payload)
+            if payload == "toggle":
+                payload = not self.data.get(str(channel))
+            self.store_data(**{str(channel): payload})
+
+    def __tx__(self, keys_changed):
+        for key in keys_changed:
+            self.mqtt_client.send(self.topic + "/output/" + str(int(key) + 1), json.dumps(self.data.get(key)))
+
+    def command(self, command):
+        if command in self.COMMANDS:
+            if command == self.COMMANDS[0]:
+                self.print_formatted(self, self.KEY_OUTPUT_0, self.data.get(self.KEY_OUTPUT_0))
+            elif command == self.COMMANDS[1]:
+                self.store_data(**{self.KEY_OUTPUT_0: 'on'})
+            elif command == self.COMMANDS[2]:
+                self.store_data(**{self.KEY_OUTPUT_0: 'off'})
+            else:
+                print("%s: not yet implemented!" % command)
+        else:
+            print("Unknown command!")
+
+    def print_formatted(self, device, key, value):
+        if value is not None:
+            if value:
+                print(COLOR_SHELLY_1 + 10 * ' ' + u'\u2b24' + 6 * ' ' + " - ".join(self.topic.split('/')
+                      [1:]) + " (%s)" % self.names[int(key)] + colored.attr("reset"))
+            else:
+                print(COLOR_SHELLY_1 + 10 * ' ' + u'\u25ef' + 6 * ' ' + " - ".join(self.topic.split('/')
+                      [1:]) + " (%s)" % self.names[int(key)] + colored.attr("reset"))
+
+
+class silvercrest_powerplug(base):
+    KEY_OUTPUT_0 = "state"
+    #
+    COMMANDS = [
+        "get_state", "set_state", "unset_state",
+    ]
+
+    def __init__(self, mqtt_client, topic):
+        super().__init__(mqtt_client, topic)
+        self.add_callback(self.KEY_OUTPUT_0, self.print_formatted, None)
+        #
+        self.store_data(**{self.KEY_OUTPUT_0: "off"})
+
+    def __rx__(self, client, userdata, message):
+        if message.topic == self.topic + '/set':
+            STATES = ["on", "off", "toggle"]
+            #
+            state = json.loads(message.payload).get('state').lower()
+            if state in STATES:
+                if state == STATES[0]:
+                    self.store_data(**{self.KEY_OUTPUT_0: 'on'})
+                elif state == STATES[1]:
+                    self.store_data(**{self.KEY_OUTPUT_0: 'off'})
+                else:
+                    self.store_data(**{self.KEY_OUTPUT_0: "off" if self.data.get(self.KEY_OUTPUT_0) == "on" else "on"})
+
+    def command(self, command):
+        if command in self.COMMANDS:
+            if command == self.COMMANDS[0]:
+                self.print_formatted(self, self.KEY_OUTPUT_0, self.data.get(self.KEY_OUTPUT_0))
+            elif command == self.COMMANDS[1]:
+                self.store_data(**{self.KEY_OUTPUT_0: 'on'})
+            elif command == self.COMMANDS[2]:
+                self.store_data(**{self.KEY_OUTPUT_0: 'off'})
+            else:
+                print("%s: not yet implemented!" % command)
+        else:
+            print("Unknown command!")
+
+    def print_formatted(self, device, key, value):
+        if value is not None:
+            if value == "on":
+                print(COLOR_SHELLY_1 + 10 * ' ' + u'\u2b24' + 6 * ' ' + " - ".join(self.topic.split('/')[1:]) + colored.attr("reset"))
+            else:
+                print(COLOR_SHELLY_1 + 10 * ' ' + u'\u25ef' + 6 * ' ' + " - ".join(self.topic.split('/')[1:]) + colored.attr("reset"))
+
+
+class silvercrest_motion_sensor(base):
+    KEY_OCCUPANCY = "occupancy"
+    COMMANDS = ['motion']
+
+    def __init__(self, mqtt_client, topic):
+        super().__init__(mqtt_client, topic)
+        self.data[self.KEY_OCCUPANCY] = False
+        self.add_callback(self.KEY_OCCUPANCY, self.print_formatted, None)
+
+    def __rx__(self, client, userdata, message):
+        pass
+
+    def command(self, command):
+        try:
+            command, value = command.split(' ')
+        except ValueError:
+            value = None
+        else:
+            value = json.loads(value)
+        if command == self.COMMANDS[0]:
+            self.store_data(**{self.KEY_OCCUPANCY: True})
+            time.sleep(value or 10)
+            self.store_data(**{self.KEY_OCCUPANCY: False})
+
+    def print_formatted(self, device, key, value):
+        if value is not None:
+            if value:
+                print(COLOR_MOTION_SENSOR + 10 * ' ' + u'\u2b24' + 6 * ' ' + " - ".join(self.topic.split('/')[1:]) + colored.attr("reset"))
+            else:
+                print(COLOR_MOTION_SENSOR + 10 * ' ' + u'\u25ef' + 6 * ' ' + " - ".join(self.topic.split('/')[1:]) + colored.attr("reset"))
+
+
+class tradfri_light(base):
+    KEY_STATE = "state"
+    KEY_BRIGHTNESS = "brightness"
+    KEY_COLOR_TEMP = "color_temp"
+    KEY_BRIGHTNESS_MOVE = "brightness_move"
+    #
+    STATE_COMMANDS = ("get_state", "change_state", )
+    BRIGHTNESS_COMMANDS = ("get_brightness", "set_brightness",)
+    COLOR_TEMP_COMMANDS = ("get_color_temp", "set_color_temp",)
+
+    def __init__(self, mqtt_client, topic, enable_state=True, enable_brightness=False, enable_color_temp=False, send_on_power_on=True):
+        super().__init__(mqtt_client, topic)
+        self.send_on_power_on = send_on_power_on
+        self.add_callback(self.KEY_STATE, self.print_formatted, None)
+        self.add_callback(self.KEY_BRIGHTNESS, self.print_formatted, None)
+        self.add_callback(self.KEY_COLOR_TEMP, self.print_formatted, None)
+        #
+        self.commands = []
+        if enable_state:
+            self.commands.extend(self.STATE_COMMANDS)
+        if enable_brightness:
+            self.commands.extend(self.BRIGHTNESS_COMMANDS)
+        if enable_color_temp:
+            self.commands.extend(self.COLOR_TEMP_COMMANDS)
+        self.__init_data__(enable_state, enable_brightness, enable_color_temp)
+
+    def __init_data__(self, enable_state, enable_brightness, enable_color_temp):
+        data = {}
+        if enable_state:
+            data[self.KEY_STATE] = 'off'
+            self.commands.extend(self.STATE_COMMANDS)
+        if enable_brightness:
+            data[self.KEY_BRIGHTNESS] = 128
+            self.brightnes_move = (0, time.time())
+            self.commands.extend(self.BRIGHTNESS_COMMANDS)
+        if enable_color_temp:
+            data[self.KEY_COLOR_TEMP] = 352
+            self.commands.extend(self.COLOR_TEMP_COMMANDS)
+        self.store_data(**data)
+
+    def __rx__(self, client, userdata, message):
+        data = json.loads(message.payload)
+        if self.data.get(self.KEY_STATE) == 'on' or data.get(self.KEY_STATE) in ['on', 'toggle']:
+            if message.topic.startswith(self.topic) and message.topic.endswith('/set'):
+                for targetkey in data:
+                    value = data[targetkey]
+                    if targetkey in self.data.keys():
+                        if targetkey == self.KEY_STATE and value == "toggle":
+                            value = "on" if self.data.get(self.KEY_STATE) == "off" else "off"
+                        self.store_data(**{targetkey: value})
+                    else:
+                        if targetkey == self.KEY_BRIGHTNESS_MOVE:
+                            new_value = self.data.get(self.KEY_BRIGHTNESS) + (time.time() - self.brightnes_move[1]) * self.brightnes_move[0]
+                            if new_value < 0:
+                                new_value = 0
+                            if new_value > 255:
+                                new_value = 255
+                            self.store_data(**{self.KEY_BRIGHTNESS: int(new_value)})
+                            self.brightnes_move = (value, time.time())
+                        else:
+                            print("%s: UNKNOWN KEY %s" % (message.topic, targetkey))
+            elif message.topic == self.topic + '/get':
+                self.__tx__(None)
+
+    def command(self, command):
+        try:
+            command, value = command.split(' ')
+        except ValueError:
+            value = None
+        if command in self.capabilities():
+            if command == self.STATE_COMMANDS[0]:
+                self.print_formatted(self, self.KEY_STATE, self.data.get(self.KEY_STATE))
+            elif command == self.STATE_COMMANDS[1]:
+                self.store_data(**{self.KEY_STATE: 'off' if self.data.get(self.KEY_STATE) == 'on' else 'on'})
+            elif command == self.BRIGHTNESS_COMMANDS[0]:
+                self.print_formatted(self, self.KEY_BRIGHTNESS, self.data.get(self.KEY_BRIGHTNESS))
+            elif command == self.BRIGHTNESS_COMMANDS[1]:
+                self.store_data(**{self.KEY_BRIGHTNESS: command_int_value(value)})
+            elif command == self.COLOR_TEMP_COMMANDS[0]:
+                self.print_formatted(self, self.KEY_COLOR_TEMP, self.data.get(self.KEY_COLOR_TEMP))
+            elif command == self.COLOR_TEMP_COMMANDS[1]:
+                self.store_data(**{self.KEY_COLOR_TEMP: command_int_value(value)})
+            else:
+                print("%s: not yet implemented!" % command)
+        else:
+            print("Unknown command!")
+
+    def power_off(self, device, key, value):
+        self.data[self.KEY_STATE] = 'off'
+        self.print_formatted(self, self.KEY_STATE, 'off')
+
+    def power_on(self, device, key, value):
+        if self.send_on_power_on:
+            self.store_data(**{self.KEY_STATE: 'on'})
+        else:
+            self.data[self.KEY_STATE] = 'on'
+            self.print_formatted(self, self.KEY_STATE, 'on')
+
+    def print_formatted(self, device, key, value):
+        if value is not None:
+            color = COLOR_LIGHT_ACTIVE
+            if key == self.KEY_STATE:
+                if value == "on":
+                    print(color + 10 * ' ' + u'\u2b24' + 6 * ' ' + " - ".join(self.topic.split('/')[1:]) + colored.attr("reset"))
+                else:
+                    print(color + 10 * ' ' + u'\u25ef' + 6 * ' ' + " - ".join(self.topic.split('/')[1:]) + colored.attr("reset"))
+                self.print_formatted(device, self.KEY_BRIGHTNESS, self.data.get(self.KEY_BRIGHTNESS))
+                self.print_formatted(device, self.KEY_COLOR_TEMP, self.data.get(self.KEY_COLOR_TEMP))
+            elif key in [self.KEY_BRIGHTNESS, self.KEY_COLOR_TEMP]:
+                if self.data.get(self.KEY_STATE) != "on":
+                    color = COLOR_LIGHT_PASSIVE
+                if key == self.KEY_BRIGHTNESS:
+                    value = round(value * 100 / 256, 0)
+                else:
+                    value = round((value - 250) * 100 / 204, 0)
+                sys.stdout.write(color)
+                sys.stdout.write('B' if key == gui_light.KEY_BRIGHTNESS else 'C')
+                percent_print(value)
+                sys.stdout.write("%3d%%  " % value)
+                print(" - ".join(self.topic.split('/')[1:]) + colored.attr("reset"))
+
+
+class gui_light(tradfri_light):
+    AUTOSEND = False
+    #
+    KEY_ENABLE = "enable"
+
+    def __init__(self, mqtt_client, topic, enable_state=True, enable_brightness=False, enable_color_temp=False):
+        super().__init__(mqtt_client, topic, enable_state, enable_brightness, enable_color_temp)
+        self.add_callback(self.KEY_ENABLE, self.print_formatted, None)
+
+    def __init_data__(self, enable_state, enable_brightness, enable_color_temp):
+        data = {}
+        data[self.KEY_ENABLE] = False
+        if enable_state:
+            data[self.KEY_STATE] = False
+        if enable_brightness:
+            data[self.KEY_BRIGHTNESS] = 50
+        if enable_color_temp:
+            data[self.KEY_COLOR_TEMP] = 5
+        self.store_data(**data)
+
+    def __rx__(self, client, userdata, message):
+        value = payload_filter(message.payload)
+        if message.topic.startswith(self.topic) and message.topic.endswith('/set'):
+            targetkey = message.topic.split('/')[-2]
+            if targetkey in self.data.keys():
+                self.store_data(**{targetkey: value})
+            else:
+                print("Unknown key %s in %s" % (targetkey, self.__class__.__name__))
+        elif message.topic == self.topic + '/get':
+            self.__tx__(None)
+
+    def send(self, key, data):
+        if data is not None:
+            topic = self.topic + '/' + key
+            self.mqtt_client.send(topic, json.dumps(data))
+
+    def command(self, command):
+        try:
+            command, value = command.split(' ')
+        except ValueError:
+            value = None
+        if command in self.capabilities():
+            if command == self.STATE_COMMANDS[0]:
+                self.print_formatted(self, self.KEY_STATE, self.data.get(self.KEY_STATE))
+            elif command == self.STATE_COMMANDS[1]:
+                self.send(self.KEY_STATE, not self.data.get(self.KEY_STATE))
+            elif command == self.BRIGHTNESS_COMMANDS[0]:
+                self.print_formatted(self, self.KEY_BRIGHTNESS, self.data.get(self.KEY_BRIGHTNESS))
+            elif command == self.BRIGHTNESS_COMMANDS[1]:
+                self.send(self.KEY_BRIGHTNESS, command_int_value(value))
+            elif command == self.COLOR_TEMP_COMMANDS[0]:
+                self.print_formatted(self, self.KEY_COLOR_TEMP, self.data.get(self.KEY_COLOR_TEMP))
+            elif command == self.COLOR_TEMP_COMMANDS[1]:
+                self.send(self.KEY_COLOR_TEMP, command_int_value(value))
+            else:
+                print("%s: not yet implemented!" % command)
+        else:
+            print("Unknown command!")
+
+    def print_formatted(self, device, key, value):
+        if value is not None:
+            color = COLOR_GUI_ACTIVE
+            if key == self.KEY_STATE:
+                if value == True:
+                    print(color + 10 * ' ' + u'\u25a0' + 6 * ' ' + " - ".join(self.topic.split('/')[1:-1]) + colored.attr("reset"))
+                else:
+                    print(color + 10 * ' ' + u'\u25a1' + 6*' ' + " - ".join(self.topic.split('/')[1:-1]) + colored.attr("reset"))
+            elif key == self.KEY_ENABLE:
+                self.print_formatted(device, self.KEY_BRIGHTNESS, self.data.get(self.KEY_BRIGHTNESS))
+                self.print_formatted(device, self.KEY_COLOR_TEMP, self.data.get(self.KEY_COLOR_TEMP))
+            elif key in [self.KEY_BRIGHTNESS, self.KEY_COLOR_TEMP]:
+                if not self.data.get(self.KEY_ENABLE, False):
+                    color = COLOR_GUI_PASSIVE
+                value = round(value * 10 if key == self.KEY_COLOR_TEMP else value, 0)
+                sys.stdout.write(color)
+                sys.stdout.write('B' if key == self.KEY_BRIGHTNESS else 'C')
+                percent_print(value)
+                sys.stdout.write("%3d%%  " % value)
+                print(" - ".join(self.topic.split('/')[1:-1]) + colored.attr("reset"))
+
+
+class tradfri_button(base):
+    KEY_ACTION = "action"
+    #
+    ACTION_TOGGLE = "toggle"
+    ACTION_BRIGHTNESS_UP = "brightness_up_click"
+    ACTION_BRIGHTNESS_DOWN = "brightness_down_click"
+    ACTION_RIGHT = "arrow_right_click"
+    ACTION_LEFT = "arrow_left_click"
+    ACTION_BRIGHTNESS_UP_LONG = "brightness_up_hold"
+    ACTION_BRIGHTNESS_DOWN_LONG = "brightness_down_hold"
+    ACTION_RIGHT_LONG = "arrow_right_hold"
+    ACTION_LEFT_LONG = "arrow_left_hold"
+    #
+    COMMANDS = [ACTION_TOGGLE, ACTION_LEFT, ACTION_RIGHT, ACTION_BRIGHTNESS_UP, ACTION_BRIGHTNESS_DOWN,
+                ACTION_LEFT_LONG, ACTION_RIGHT_LONG, ACTION_BRIGHTNESS_UP_LONG, ACTION_BRIGHTNESS_DOWN_LONG]
+
+    def __init__(self, mqtt_client, topic):
+        super().__init__(mqtt_client, topic)
+
+    def __rx__(self, client, userdata, message):
+        pass
+
+    def command(self, command):
+        try:
+            command, value = command.split(' ')
+        except ValueError:
+            value = None
+        else:
+            value = json.loads(value)
+        if command in self.capabilities():
+            action = self.COMMANDS[self.COMMANDS.index(command)]
+            if self.COMMANDS.index(command) <= 4:
+                self.mqtt_client.send(self.topic, json.dumps({self.KEY_ACTION: action}))
+            elif self.COMMANDS.index(command) <= 8:
+                self.mqtt_client.send(self.topic, json.dumps({self.KEY_ACTION: action}))
+                time.sleep(value or 0.5)
+                action = '_'.join(action.split('_')[:-1] + ['release'])
+                self.mqtt_client.send(self.topic, json.dumps({self.KEY_ACTION: action}))
+
+
+class gui_led_array(base):
+    AUTOSEND = False
+    #
+    KEY_LED_0 = "led0"
+    KEY_LED_1 = "led1"
+    KEY_LED_2 = "led2"
+    KEY_LED_3 = "led3"
+    KEY_LED_4 = "led4"
+    KEY_LED_5 = "led5"
+    KEY_LED_6 = "led6"
+    KEY_LED_7 = "led7"
+    KEY_LED_8 = "led8"
+    KEY_LED_9 = "led9"
+
+    def __init__(self, mqtt_client, topic, names=[]):
+        super().__init__(mqtt_client, topic)
+        self.names = {}
+        for i in range(0, 10):
+            key = getattr(self, "KEY_LED_%d" % i)
+            self.data[key] = False
+            try:
+                self.names[key] = names[i]
+            except IndexError:
+                self.names[key] = key
+            self.add_callback(key, self.print_formatted, None)
+
+    def __rx__(self, client, userdata, message):
+        value = payload_filter(message.payload)
+        if message.topic.startswith(self.topic) and message.topic.endswith('/set'):
+            targetkey = message.topic.split('/')[-2]
+            if targetkey in self.data.keys():
+                self.store_data(**{targetkey: value})
+            else:
+                print("Unknown key %s in %s" % (targetkey, self.__class__.__name__))
+
+    def print_formatted(self, device, key, value):
+        if value:
+            color = colored.fg('green')
+        else:
+            color = ""
+        print(color + 10 * ' ' + u"\u2b24" + 6 * ' ' + COLOR_GUI_ACTIVE +
+              ' - '.join(self.topic.split('/')[:-1]) + ' (%s)' % self.names[key] + colored.attr("reset"))
diff --git a/__simulation__/rooms.py b/__simulation__/rooms.py
new file mode 100644
index 0000000..b3647a0
--- /dev/null
+++ b/__simulation__/rooms.py
@@ -0,0 +1,189 @@
+import config
+from __simulation__.devices import shelly, silvercrest_powerplug, gui_light, tradfri_light, tradfri_button, gui_led_array, silvercrest_motion_sensor, my_powerplug
+import inspect
+
+# TODO: ffe_floor:      Implement longpress shelly
+# TODO: gfw_dirk:       Implement 2nd input for floor light
+# TODO: ffe_sleep:      Implement heating valve
+# TODO: gfw_dirk:       Add at least brightness amplifier remote feedback to console
+# TODO: ffe_diningroom: Implement garland gui_switch
+# TODO: ffe_kitchen:    Implement circulation pump
+
+
+class base(object):
+    def getmembers(self, prefix=''):
+        rv = []
+        for name, obj in inspect.getmembers(self):
+            if prefix:
+                full_name = prefix + '.' + name
+            else:
+                full_name = name
+            if not name.startswith('_'):
+                try:
+                    if obj.__module__.endswith('devices'):
+                        rv.append(full_name)
+                    else:
+                        rv.extend(obj.getmembers(full_name))
+                except AttributeError:
+                    pass
+        return rv
+
+    def getobjbyname(self, name):
+        obj = self
+        for subname in name.split('.'):
+            obj = getattr(obj, subname)
+        return obj
+
+    def command(self, full_command):
+        try:
+            parameter = " " + full_command.split(' ')[1]
+        except IndexError:
+            parameter = ""
+        command = full_command.split(' ')[0].split('.')[-1] + parameter
+        device_name = '.'.join(full_command.split(' ')[0].split('.')[:-1])
+        self.getobjbyname(device_name).command(command)
+
+
+class gfw_floor(base):
+    def __init__(self, mqtt_client):
+        self.gui_switch_main_light = gui_light(mqtt_client, config.TOPIC_GFW_FLOOR_MAIN_LIGHT_GUI_SWITCH, True, False, False)
+        self.main_light = shelly(mqtt_client, config.TOPIC_GFW_FLOOR_MAIN_LIGHT_SHELLY)
+        self.main_light_zigbee_1 = tradfri_light(mqtt_client, config.TOPIC_GFW_FLOOR_MAIN_LIGHT_1_ZIGBEE, True, True, True, False)
+        self.main_light.add_callback(shelly.KEY_OUTPUT_0, self.main_light_zigbee_1.power_on, "on")
+        self.main_light.add_callback(shelly.KEY_OUTPUT_0, self.main_light_zigbee_1.power_off, "off")
+        self.main_light_zigbee_2 = tradfri_light(mqtt_client, config.TOPIC_GFW_FLOOR_MAIN_LIGHT_2_ZIGBEE, True, True, True, False)
+        self.main_light.add_callback(shelly.KEY_OUTPUT_0, self.main_light_zigbee_2.power_on, "on")
+        self.main_light.add_callback(shelly.KEY_OUTPUT_0, self.main_light_zigbee_1.power_off, "off")
+        self.gui_br_ct_main_light = gui_light(mqtt_client, config.TOPIC_GFW_FLOOR_MAIN_LIGHT_GUI_BR_CT, False, True, True)
+
+
+class gfw_marion(base):
+    def __init__(self, mqtt_client):
+        self.gui_switch_main_light = gui_light(mqtt_client, config.TOPIC_GFW_MARION_MAIN_LIGHT_GUI_SWITCH, True, False, False)
+        self.main_light = shelly(mqtt_client, config.TOPIC_GFW_MARION_MAIN_LIGHT_SHELLY)
+
+
+class gfw_dirk(base):
+    def __init__(self, mqtt_client):
+        self.gui_switch_main_light = gui_light(mqtt_client, config.TOPIC_GFW_DIRK_MAIN_LIGHT_GUI_SWITCH, True, False, False)
+        self.main_light = shelly(mqtt_client, config.TOPIC_GFW_DIRK_MAIN_LIGHT_SHELLY)
+        self.main_light_zigbee = tradfri_light(mqtt_client, config.TOPIC_GFW_DIRK_MAIN_LIGHT_ZIGBEE, True, True, True)
+        self.main_light.add_callback(shelly.KEY_OUTPUT_0, self.main_light_zigbee.power_on, "on")
+        self.main_light.add_callback(shelly.KEY_OUTPUT_0, self.main_light_zigbee.power_off, "off")
+        self.gui_br_ct_main_light = gui_light(mqtt_client, config.TOPIC_GFW_DIRK_MAIN_LIGHT_GUI_BR_CT, False, True, True)
+        #
+        self.powerplug = my_powerplug(mqtt_client, config.TOPIC_GFW_DIRK_POWERPLUG, ["Amplifier", "Desk Light", "CD-Player", "PC-Dock"])
+        self.gui_switch_amplifier = gui_light(mqtt_client, config.TOPIC_GFW_DIRK_AMPLIFIER_GUI_SWITCH, True, False, False)
+        self.gui_switch_desk_light = gui_light(mqtt_client, config.TOPIC_GFW_DIRK_DESK_LIGHT_GUI_SWITCH, True, False, False)
+        self.gui_br_ct_desk_light = gui_light(mqtt_client, config.TOPIC_GFW_DIRK_DESK_LIGHT_GUI_BR_CT, False, True, True)
+        self.gui_switch_cd_player = gui_light(mqtt_client, config.TOPIC_GFW_DIRK_CD_PLAYER_GUI_SWITCH, True, False, False)
+        self.gui_switch_pc_dock = gui_light(mqtt_client, config.TOPIC_GFW_DIRK_PC_DOCK_GUI_SWITCH, True, False, False)
+        #
+        self.input_device = tradfri_button(mqtt_client, config.TOPIC_GFW_DIRK_INPUT_DEVICE)
+        self.led_array = gui_led_array(mqtt_client, config.TOPIC_GFW_DIRK_DEVICE_CHOOSER_LED, ["Main Light", "Desk Light", "Amplifier"])
+
+
+class gfw(base):
+    def __init__(self, mqtt_client):
+        self.floor = gfw_floor(mqtt_client)
+        self.marion = gfw_marion(mqtt_client)
+        self.dirk = gfw_dirk(mqtt_client)
+
+
+class ffw_julian(base):
+    def __init__(self, mqtt_client):
+        self.gui_switch_main_light = gui_light(mqtt_client, config.TOPIC_FFW_JULIAN_MAIN_LIGHT_GUI_SWITCH, True, False, False)
+        self.main_light = shelly(mqtt_client, config.TOPIC_FFW_JULIAN_MAIN_LIGHT_SHELLY)
+        self.main_light_zigbee = tradfri_light(mqtt_client, config.TOPIC_FFW_JULIAN_MAIN_LIGHT_ZIGBEE, True, True, True)
+        self.main_light.add_callback(shelly.KEY_OUTPUT_0, self.main_light_zigbee.power_on, "on")
+        self.main_light.add_callback(shelly.KEY_OUTPUT_0, self.main_light_zigbee.power_off, "off")
+        self.gui_br_ct_main_light = gui_light(mqtt_client, config.TOPIC_FFW_JULIAN_MAIN_LIGHT_GUI_BR_CT, False, True, True)
+
+
+class ffw_livingroom(base):
+    def __init__(self, mqtt_client):
+        self.gui_switch_main_light = gui_light(mqtt_client, config.TOPIC_FFW_LIVINGROOM_MAIN_LIGHT_GUI_SWITCH, True, False, False)
+        self.main_light = shelly(mqtt_client, config.TOPIC_FFW_LIVINGROOM_MAIN_LIGHT_SHELLY)
+
+
+class ffw(base):
+    def __init__(self, mqtt_client):
+        self.julian = ffw_julian(mqtt_client)
+        self.livingroom = ffw_livingroom(mqtt_client)
+
+
+class ffe_floor(base):
+    def __init__(self, mqtt_client):
+        self.gui_switch_main_light = gui_light(mqtt_client, config.TOPIC_FFE_FLOOR_MAIN_LIGHT_GUI_SWITCH, True, False, False)
+        self.main_light = shelly(mqtt_client, config.TOPIC_FFE_FLOOR_MAIN_LIGHT_SHELLY)
+
+
+class ffe_kitchen(base):
+    def __init__(self, mqtt_client):
+        self.gui_switch_main_light = gui_light(mqtt_client, config.TOPIC_FFE_KITCHEN_MAIN_LIGHT_GUI_SWITCH, True, False, False)
+        self.main_light = shelly(mqtt_client, config.TOPIC_FFE_KITCHEN_MAIN_LIGHT_SHELLY)
+
+
+class ffe_diningroom(base):
+    def __init__(self, mqtt_client):
+        self.gui_switch_main_light = gui_light(mqtt_client, config.TOPIC_FFE_DININGROOM_MAIN_LIGHT_GUI_SWITCH, True, False, False)
+        self.main_light = shelly(mqtt_client, config.TOPIC_FFE_DININGROOM_MAIN_LIGHT_SHELLY)
+        self.gui_switch_floor_lamp = gui_light(mqtt_client, config.TOPIC_FFE_DININGROOM_FLOOR_LAMP_GUI_SWITCH, True, False, False)
+        self.floor_lamp = silvercrest_powerplug(mqtt_client, config.TOPIC_FFE_DININGROOM_FLOOR_LAMP_POWERPLUG)
+        self.garland = silvercrest_powerplug(mqtt_client, config.TOPIC_FFE_DININGROOM_GARLAND_POWERPLUG)
+
+
+class ffe_sleep(base):
+    def __init__(self, mqtt_client):
+        self.gui_switch_main_light = gui_light(mqtt_client, config.TOPIC_FFE_SLEEP_MAIN_LIGHT_GUI_SWITCH, True, False, False)
+        self.main_light = shelly(mqtt_client, config.TOPIC_FFE_SLEEP_MAIN_LIGHT_SHELLY)
+        self.main_light_zigbee = tradfri_light(mqtt_client, config.TOPIC_FFE_SLEEP_MAIN_LIGHT_ZIGBEE, True, True, True)
+        self.main_light.add_callback(shelly.KEY_OUTPUT_0, self.main_light_zigbee.power_on, "on")
+        self.main_light.add_callback(shelly.KEY_OUTPUT_0, self.main_light_zigbee.power_off, "off")
+        self.gui_br_ct_main_light = gui_light(mqtt_client, config.TOPIC_FFE_SLEEP_MAIN_LIGHT_GUI_BR_CT, False, True, True)
+        #
+        self.gui_switch_bed_light_di = gui_light(mqtt_client, config.TOPIC_FFE_SLEEP_BED_LIGHT_DI_GUI_SWITCH, True, False, False)
+        self.bed_light_di_zigbee = tradfri_light(mqtt_client, config.TOPIC_FFE_SLEEP_BED_LIGHT_DI_ZIGBEE, True, True, False)
+        self.gui_br_ct_bed_light_di = gui_light(mqtt_client, config.TOPIC_FFE_SLEEP_BED_LIGHT_DI_GUI_BR_CT, False, True, False)
+        #
+        self.input_device = tradfri_button(mqtt_client, config.TOPIC_FFE_SLEEP_INPUT_DEVICE)
+        self.led_array = gui_led_array(mqtt_client, config.TOPIC_FFE_SLEEP_DEVICE_CHOOSER_LED, ["Main Light", "Bed Light Dirk"])
+
+
+class ffe_livingroom(base):
+    def __init__(self, mqtt_client):
+        self.gui_switch_main_light = gui_light(mqtt_client, config.TOPIC_FFE_LIVINGROOM_MAIN_LIGHT_GUI_SWITCH, True, False, False)
+        self.main_light = shelly(mqtt_client, config.TOPIC_FFE_LIVINGROOM_MAIN_LIGHT_SHELLY)
+        self.main_light_zigbee = tradfri_light(mqtt_client, config.TOPIC_FFE_LIVINGROOM_MAIN_LIGHT_ZIGBEE, True, True, True)
+        self.main_light.add_callback(shelly.KEY_OUTPUT_0, self.main_light_zigbee.power_on, "on")
+        self.main_light.add_callback(shelly.KEY_OUTPUT_0, self.main_light_zigbee.power_off, "off")
+        self.gui_br_ct_main_light = gui_light(mqtt_client, config.TOPIC_FFE_LIVINGROOM_MAIN_LIGHT_GUI_BR_CT, False, True, True)
+        for i in range(1, 7):
+            setattr(self, "floor_lamp_%d" % i, tradfri_light(mqtt_client, config.TOPIC_FFE_LIVINGROOM_FLOOR_LAMP_ZIGBEE % i, True, True, True))
+        self.gui_switch_floor_lamp = gui_light(mqtt_client, config.TOPIC_FFE_LIVINGROOM_FLOOR_LAMP_GUI_SWITCH, True, False, False)
+        self.gui_br_ct_floor_lamp = gui_light(mqtt_client, config.TOPIC_FFE_LIVINGROOM_FLOOR_LAMP_GUI_BR_CT, False, True, True)
+
+
+class ffe(base):
+    def __init__(self, mqtt_client):
+        self.floor = ffe_floor(mqtt_client)
+        self.kitchen = ffe_kitchen(mqtt_client)
+        self.diningroom = ffe_diningroom(mqtt_client)
+        self.sleep = ffe_sleep(mqtt_client)
+        self.livingroom = ffe_livingroom(mqtt_client)
+
+
+class stairway(base):
+    def __init__(self, mqtt_client):
+        self.gui_switch_main_light = gui_light(mqtt_client, config.TOPIC_STW_STAIRWAY_MAIN_LIGHT_GUI_SWITCH, True, False, False)
+        self.main_light = shelly(mqtt_client, config.TOPIC_STW_STAIRWAY_MAIN_LIGHT_SHELLY)
+        self.motion_sensor_gf = silvercrest_motion_sensor(mqtt_client, config.TOPIC_STW_STAIRWAY_MAIN_LIGHT_MOTION_SENSOR_GF)
+        self.motion_sensor_ff = silvercrest_motion_sensor(mqtt_client, config.TOPIC_STW_STAIRWAY_MAIN_LIGHT_MOTION_SENSOR_FF)
+
+
+class house(base):
+    def __init__(self, mqtt_client):
+        self.gfw = gfw(mqtt_client)
+        self.ffw = ffw(mqtt_client)
+        self.ffe = ffe(mqtt_client)
+        self.stairway = stairway(mqtt_client)
diff --git a/house_n_gui_sim.py b/house_n_gui_sim.py
new file mode 100644
index 0000000..b1b067d
--- /dev/null
+++ b/house_n_gui_sim.py
@@ -0,0 +1,70 @@
+import config
+import logging
+import mqtt
+import readline
+import report
+from __simulation__.rooms import house
+import time
+
+if __name__ == "__main__":
+    report.stdoutLoggingConfigure(((config.APP_NAME, logging.WARNING), ), report.SHORT_FMT)
+    #
+    mc = mqtt.mqtt_client(host=config.MQTT_SERVER, port=config.MQTT_PORT, username=config.MQTT_USER,
+                          password=config.MQTT_PASSWORD, name=config.APP_NAME + '_simulation')
+    #
+    COMMANDS = ['quit', 'help']
+    #
+    h = house(mc)
+    for name in h.getmembers():
+        d = h.getobjbyname(name)
+        for c in d.capabilities():
+            COMMANDS.append(name + '.' + c)
+    #
+
+    def reduced_list(text):
+        """
+        Create reduced completation list
+        """
+        reduced_list = {}
+        for cmd in COMMANDS:
+            next_dot = cmd[len(text):].find('.')
+            if next_dot >= 0:
+                reduced_list[cmd[:len(text) + next_dot + 1]] = None
+            else:
+                reduced_list[cmd] = None
+        return reduced_list.keys()
+
+    def completer(text, state):
+        """
+        Our custom completer function
+        """
+        options = [x for x in reduced_list(text) if x.startswith(text)]
+        return options[state]
+
+    def complete(text, state):
+        for cmd in COMMANDS:
+            if cmd.startswith(text):
+                if not state:
+                    hit = ""
+                    index = 0
+                    sub_list = cmd.split('.')
+                    while len(text) >= len(hit):
+                        hit += sub_list[index] + '.'
+                    return hit  # cmd
+                else:
+                    state -= 1
+
+    readline.parse_and_bind("tab: complete")
+    readline.set_completer(completer)
+    print("\nEnter command: ")
+    while True:
+        userfeedback = input('')
+        command = userfeedback.split(' ')[0]
+        if userfeedback == 'quit':
+            break
+        elif userfeedback == 'help':
+            print("Help is not yet implemented!")
+        elif command in COMMANDS[2:]:
+            h.command(userfeedback)
+        else:
+            print("Unknown command!")