diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..40def25
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,161 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+#poetry.lock
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#pdm.lock
+#   pdm stores project-wide configurations in .pdm.toml, but it is recommended to not include it
+#   in version control.
+#   https://pdm.fming.dev/#use-with-ide
+.pdm.toml
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# PyCharm
+#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#  and can be added to the global gitignore or merged into this file.  For a more nuclear
+#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
+#.idea/
+.vscode/settings.json
diff --git a/mash.yaml b/mash.yaml
new file mode 100644
index 0000000..fb2c2c2
--- /dev/null
+++ b/mash.yaml
@@ -0,0 +1,19 @@
+# An example config file for MaSH
+
+services:
+  philips-hue:
+    ip: 192.168.178.42
+
+lights:
+  - name: Hallway Ceiling
+    philips-hue: Hallway Ceiling
+  - name: Desk
+    philips-hue: Desk Plug
+
+rooms:
+  - name: Office
+    philips-hue: Work Room
+  - name: Hallway
+    philips-hue: Hallways
+    adjacent:
+      - Office
diff --git a/requirements.txt b/requirements.txt
index 27dcd81..01ecf54 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,12 @@
 smbus2
 vl53l1x
 
+# To parse the config file
+pyyaml
+
+# To hot reload the config file
+watchdog
+
 # For Philips Hue Counter
 phue
 
diff --git a/src/config/hotdogtrigger.py b/src/config/hotdogtrigger.py
new file mode 100644
index 0000000..86f8c80
--- /dev/null
+++ b/src/config/hotdogtrigger.py
@@ -0,0 +1,36 @@
+import logging
+
+from config.reloadtrigger import ReloadTrigger
+
+try:
+    from watchdog.observers import Observer
+    from watchdog.events import (
+        FileSystemEventHandler,
+        FileCreatedEvent,
+        FileModifiedEvent,
+    )
+
+    class HotDogTrigger(ReloadTrigger, FileSystemEventHandler):
+        """Trigger for config files. Might be unbound, if watchdog is not installed. Check if equal to None before use."""
+
+        def __init__(self, path: str):
+            super().__init__(path)
+            self.observer = Observer()
+            self.observer.schedule(self, path, recursive=True)
+            self.observer.start()
+
+        def __del__(self):
+            self.observer.stop()
+            self.observer.join()
+
+        def on_modified(self, event: FileModifiedEvent):
+            self.__trigger_reload()
+
+        def on_created(self, event: FileCreatedEvent):
+            self.__trigger_reload()
+
+    logging.debug("Watchdog imported successfully. HotDogTrigger available.")
+
+
+except ImportError:
+    logging.info("Watchdog is not installed. HotDogTrigger unavailable.")
diff --git a/src/config/parser.py b/src/config/parser.py
new file mode 100644
index 0000000..5bef0ea
--- /dev/null
+++ b/src/config/parser.py
@@ -0,0 +1,49 @@
+import abc
+from typing import Any
+
+from models.home import Home
+
+
+class ConfigParser:
+    def get_config(self) -> Home:  # TODO: Check type
+        """Load and parse the config."""
+        return self.__parse_config(self.__load_config())
+
+    @abc.abstractmethod
+    def __load_config(self) -> Any:
+        """Load the config."""
+        raise NotImplementedError()
+
+    @abc.abstractmethod
+    def __parse_config(self, config) -> Home:
+        """Parse the config."""
+        raise NotImplementedError()
+
+
+class FileConfigParser(ConfigParser):
+    """Scaffoling for parsers based on files."""
+
+    path: str
+    """Path to the config file."""
+
+    def __init__(self, path: str):
+        self.path = path
+
+
+class YAMLConfig(FileConfigParser):
+    """Loads and parses config from a YAML file."""
+
+    def __init__(self, path: str):
+        super().__init__(path)
+
+    def __load_config(self) -> dict:
+        """Loads config from a YAML file."""
+        import yaml
+
+        with open(self.path, "r") as file:
+            return yaml.safe_load(file)
+
+    def __parse_config(self, config: dict) -> Home:
+        """Parses config in dict format. Usually based on JSON or YAML."""
+        # TODO: Implement
+        raise NotImplementedError()
diff --git a/src/config/reloadtrigger.py b/src/config/reloadtrigger.py
new file mode 100644
index 0000000..c0129a0
--- /dev/null
+++ b/src/config/reloadtrigger.py
@@ -0,0 +1,26 @@
+class ReloadTrigger(object):
+    """Abstract interface for config hot reloading."""
+
+    path: str
+    """Path to the config file."""
+
+    callbacks: list
+    """List of functions to callback on reload of config."""
+
+    def __init__(self, path: str):
+        """Initialize the trigger.
+
+        Args:
+            path (str): Path to the config file.
+        """
+        self.path = path
+        self.callbacks = []
+
+    def on_reload(self, callback):
+        """Register a callback to be called when the config is reloaded."""
+        self.callbacks.append(callback)
+
+    def __trigger_reload(self):
+        """Trigger a reload of the config."""
+        for callback in self.callbacks:
+            callback()
diff --git a/src/mash.py b/src/mash.py
new file mode 100644
index 0000000..1a7f995
--- /dev/null
+++ b/src/mash.py
@@ -0,0 +1,48 @@
+from config.parser import ConfigParser
+from config.reloadtrigger import ReloadTrigger
+from models.home import Home
+
+
+class MaSH:
+    """Max' Smart Home. Smart home automation framework."""
+
+    config_parser: ConfigParser
+    """Parser for the config file."""
+
+    config_trigger: list[ReloadTrigger]
+    """Active triggers for reloading the config."""
+
+    home: Home
+    """Home to control and make smart."""
+
+    def __init__(self, config_parser: ConfigParser) -> None:
+        """Initialize the framework.
+
+        Args:
+            config_parser (ConfigParser): Parser for the config file.
+        """
+        self.config_parser = config_parser
+        self.config_trigger = []
+
+        self.reload_config()
+
+    def reload_config(self) -> None:
+        """Reload the config."""
+        self.home = self.config_parser.get_config()  # TODO: Check type
+
+    def register_config_trigger(self, trigger: ReloadTrigger) -> bool:
+        """Register a trigger for hot-reloading the config.
+
+        Args:
+            trigger (ReloadTrigger): Trigger for hot-reloading the config based on ReloadTrigger.
+
+        Returns:
+            bool: True if the trigger was registered, False if not.
+        """
+        if trigger is None or trigger in self.config_trigger:
+            return False
+
+        trigger.on_reload(self.reload_config)
+        self.config_trigger.append(trigger)
+
+        return True
diff --git a/src/models/colors.py b/src/models/colors.py
new file mode 100644
index 0000000..34a7d8a
--- /dev/null
+++ b/src/models/colors.py
@@ -0,0 +1,23 @@
+class RGBColor:
+    """Represents a color in the RGB color space."""
+
+    r: int
+    """Red value of the color."""
+
+    g: int
+    """Green value of the color."""
+
+    b: int
+    """Blue value of the color."""
+
+    def __init__(self, r: int, g: int, b: int):
+        """Initialize the color.
+
+        Args:
+            r (int): Red value of the color.
+            g (int): Green value of the color.
+            b (int): Blue value of the color.
+        """
+        self.r = r
+        self.g = g
+        self.b = b
diff --git a/src/models/devices/__init__.py b/src/models/devices/__init__.py
new file mode 100644
index 0000000..2ab87ac
--- /dev/null
+++ b/src/models/devices/__init__.py
@@ -0,0 +1,9 @@
+from models.devices.colordevices import *
+from models.devices.switchdevices import *
+from models.devices.genericdevices import *
+
+
+class AllDevice(SetSwitchDevice, SetColorDevice):
+    """Inherits all intefaces from all devices."""
+
+    pass
diff --git a/src/models/devices/colordevices.py b/src/models/devices/colordevices.py
new file mode 100644
index 0000000..dd79539
--- /dev/null
+++ b/src/models/devices/colordevices.py
@@ -0,0 +1,25 @@
+from models.colors import RGBColor
+from models.devices.genericdevices import GenericDevice
+
+
+class ColorDevice(GenericDevice):
+    """Abstract device that has a color."""
+
+    _color: RGBColor
+    """Color of device."""
+
+
+class GetColorDevice(ColorDevice):
+    """Implement color getter for a color device."""
+
+    @property
+    def color(self) -> RGBColor:
+        return self._color
+
+
+class SetColorDevice(GetColorDevice):
+    """Implements color setter for a color device."""
+
+    @GetColorDevice.color.setter
+    def color(self, color: RGBColor):
+        self._color = color
diff --git a/src/models/devices/genericdevices.py b/src/models/devices/genericdevices.py
new file mode 100644
index 0000000..a8eca85
--- /dev/null
+++ b/src/models/devices/genericdevices.py
@@ -0,0 +1,5 @@
+class GenericDevice:
+    """A generic device."""
+
+    def __init__(self, name: str):
+        self.name = name
diff --git a/src/models/devices/switchdevices.py b/src/models/devices/switchdevices.py
new file mode 100644
index 0000000..73b25df
--- /dev/null
+++ b/src/models/devices/switchdevices.py
@@ -0,0 +1,43 @@
+from models.devices.genericdevices import GenericDevice
+
+
+class SwitchDevice(GenericDevice):
+    """Abstract device that can be turned on and off."""
+
+    _is_on: bool
+    """Current state of the device."""
+
+
+class ToggleSwitchDevice(SwitchDevice):
+    """Implements toggle functionality for a switch device."""
+
+    def toggle(self):
+        self._is_on = not self._is_on
+
+
+class TurnOffSwitchDevice(SwitchDevice):
+    """Implements turn off functionality for a switch device."""
+
+    def turn_off(self):
+        self._is_on = False
+
+
+class TurnOnSwitchDevice(SwitchDevice):
+    """Implements turn on functionality for a switch device."""
+
+    def turn_on(self):
+        self._is_on = True
+
+
+class GetSwitchDevice(SwitchDevice):
+    """Implements is_on state getter for a switch device."""
+
+    @property
+    def is_on(self) -> bool:
+        return self._is_on
+
+
+class SetSwitchDevice(TurnOffSwitchDevice, TurnOnSwitchDevice, ToggleSwitchDevice):
+    @GetSwitchDevice.is_on.setter
+    def is_on(self, set_on: bool):
+        self._is_on = set_on
diff --git a/src/models/exceptions.py b/src/models/exceptions.py
new file mode 100644
index 0000000..afc2cbd
--- /dev/null
+++ b/src/models/exceptions.py
@@ -0,0 +1,2 @@
+class NoDeviceFoundError(Exception):
+    pass
diff --git a/src/models/groups.py b/src/models/groups.py
new file mode 100644
index 0000000..3439793
--- /dev/null
+++ b/src/models/groups.py
@@ -0,0 +1,71 @@
+from models.helper import filter_devices
+from models.devices import AllDevice
+from models.colors import RGBColor
+
+
+class DeviceGroup(AllDevice):
+    """A group of devices that allows group operations. Inherits from a complex device to offer group operations for all devices."""
+
+    def __init__(self, devices: list[GenericDevice]):
+        self._devices = devices
+
+    @property
+    def devices(self) -> list[GenericDevice]:
+        return self._devices
+
+    @property
+    def switches(self) -> list[SwitchDevice]:
+        return filter_devices(self.devices, SwitchDevice)
+
+    @property
+    def lights(self) -> list[LightDevice]:
+        return filter_devices(self.devices, LightDevice)
+
+    @property
+    def is_on(self) -> bool:
+        """Returns true if any device is on."""
+        return any(device.is_on for device in self.switches)
+
+    @is_on.setter
+    def is_on(self, is_on: bool):
+        """Sets all devices to the same state."""
+        for device in self.switches:
+            device.is_on = is_on
+
+    @property
+    def color(self) -> LightColor:
+        """Returns the color of the first light in the group."""
+        return self.lights[0].color
+
+    @color.setter
+    def color(self, color: LightColor):
+        """Sets all lights in the group to the same color."""
+        for device in self.lights:
+            device.color = color
+
+    @property
+    def scene(self) -> LightScene:
+        """Returns the current scene of the group."""
+        return LightScene(self.name, {device: device.color for device in self.lights})
+
+
+class Room(DeviceGroup):
+    """A group of devices that has additional properties a can be seen as a room."""
+
+    def __init__(self, name: str, devices: list[GenericDevice], people_count: int = 0):
+        """
+        Args:
+            name (str): Name of the room.
+            devices (list[GenericDevice]): Devices in this room.
+            people_count (int, optional): Number of people in this room. Defaults to 0.
+        """
+        super().__init__(devices)
+        self.name = name
+        self._people_count = people_count
+
+    @property
+    def people_count(self) -> int:
+        return self._people_count
+
+    def __str__(self):
+        return self.name
diff --git a/src/models/helper.py b/src/models/helper.py
new file mode 100644
index 0000000..9ccbafe
--- /dev/null
+++ b/src/models/helper.py
@@ -0,0 +1,28 @@
+from typing import TypeVar
+from models.devices.genericdevices import GenericDevice, LightDevice, SwitchDevice
+from models.exceptions import NoDeviceFoundError
+from models.groups import DeviceGroup, Room
+
+
+DEVICE_TYPE = TypeVar(
+    "DEVICE_TYPE",
+    type(GenericDevice),
+    type(SwitchDevice),
+    type(LightDevice),
+    type(Room),
+    type(DeviceGroup),
+)
+
+
+def filter_devices(
+    devices: list[GenericDevice], type: DEVICE_TYPE
+) -> list[DEVICE_TYPE]:
+    """Filters out devices that are not of a specific type."""
+    filtered_devices: list[DEVICE_TYPE] = [
+        device for device in devices if isinstance(device, type)
+    ]
+
+    if len(filtered_devices) == 0:
+        raise NoDeviceFoundError(f"No devices of type {type} found.")
+
+    return filtered_devices
diff --git a/src/models/home.py b/src/models/home.py
new file mode 100644
index 0000000..9eb92a6
--- /dev/null
+++ b/src/models/home.py
@@ -0,0 +1,19 @@
+from models.groups import DeviceGroup, Room
+from models.helper import filter_devices
+
+
+class Home(Room):
+    """Combines all elements of a smart home."""
+
+    location: str
+    """Physical location of the home, useful for sunset and sunrise times."""
+
+    @property
+    def rooms(self) -> list[Room]:
+        """Returns all rooms in the home."""
+        return filter_devices(self.devices, Room)
+
+    @property
+    def groups(self) -> list[DeviceGroup]:
+        """Returns all groups in the home."""
+        return filter_devices(self.devices, DeviceGroup)
diff --git a/src/services/philips_hue.py b/src/old/philips_hue.py
similarity index 100%
rename from src/services/philips_hue.py
rename to src/old/philips_hue.py
diff --git a/src/philips_hue_counter.py b/src/old/philips_hue_counter.py
similarity index 99%
rename from src/philips_hue_counter.py
rename to src/old/philips_hue_counter.py
index a63064c..db30d0e 100644
--- a/src/philips_hue_counter.py
+++ b/src/old/philips_hue_counter.py
@@ -1,6 +1,6 @@
 from datetime import datetime, time, timedelta
 from typing import Dict
-from services.philips_hue import PhilipsHue
+from old.philips_hue import PhilipsHue
 from sensors import PeopleCounter, Directions, VL53L1XSensor
 import logging
 import json
diff --git a/src/sensors/__init__.py b/src/old/sensors/__init__.py
similarity index 100%
rename from src/sensors/__init__.py
rename to src/old/sensors/__init__.py
diff --git a/src/sensors/people_counter.py b/src/old/sensors/people_counter.py
similarity index 100%
rename from src/sensors/people_counter.py
rename to src/old/sensors/people_counter.py
diff --git a/src/sensors/tof_sensor.py b/src/old/sensors/tof_sensor.py
similarity index 100%
rename from src/sensors/tof_sensor.py
rename to src/old/sensors/tof_sensor.py
diff --git a/src/sensors/vl53l1x_sensor.py b/src/old/sensors/vl53l1x_sensor.py
similarity index 100%
rename from src/sensors/vl53l1x_sensor.py
rename to src/old/sensors/vl53l1x_sensor.py
diff --git a/src/statistics/statistics.py b/src/old/statistics/statistics.py
similarity index 85%
rename from src/statistics/statistics.py
rename to src/old/statistics/statistics.py
index 41e7888..c9e63de 100644
--- a/src/statistics/statistics.py
+++ b/src/old/statistics/statistics.py
@@ -22,7 +22,8 @@ def parse_log_entry(entry: Dict) -> Dict | bool:
         return False
 
     entry["dateTime"] = datetime.strptime(
-        str(entry["dateTime"])[:19], "%Y-%m-%d %H:%M:%S")
+        str(entry["dateTime"])[:19], "%Y-%m-%d %H:%M:%S"
+    )
     if entry["dateTime"] < AFTER_DATE:
         return False
 
@@ -32,15 +33,15 @@ def parse_log_entry(entry: Dict) -> Dict | bool:
 def is_last_in_sequence(entry: Dict) -> Boolean:
     indoor = entry["directionState"]["indoor"]
     outdoor = entry["directionState"]["outdoor"]
-    
+
     if len(indoor) <= 0 or len(outdoor) <= 0:
         return False
-    
+
     end_key = "end_distance"
     # Check version
     if end_key not in indoor[-1]:
         end_key = "end"
-    
+
     if indoor[-1][end_key] is None or outdoor[-1][end_key] is None:
         return False
 
@@ -48,21 +49,21 @@ def is_last_in_sequence(entry: Dict) -> Boolean:
 
 
 # Collect
-log = [json.loads(line.strip("\x00")) for line in content]
+log: list[Dict] = [json.loads(line.strip("\x00")) for line in content]
 print("Number of total entries:", len(log))
 
 # Parse & Filter
-log = [parse_log_entry(entry) for entry in log if parse_log_entry(entry)]
+log = [parse_log_entry(entry) for entry in log if parse_log_entry(entry)]  # type: ignore
 print("Number of filtered entries:", len(log))
 
 # Render
 fig, ax = plt.subplots()  # Create a figure containing a single axes.
 times: list[datetime] = [entry["dateTime"] for entry in log]
 counts: list[int] = [entry["previousPeopleCount"] for entry in log]
-ax.step(times, counts, where="pre")
+ax.step(times, counts, where="pre")  # type: ignore
 print("-"*20)
 plt.show()
-print("-"*20)
+print("-" * 20)
 
 
 # Print stats
@@ -72,13 +73,12 @@ walk_unders = [entry for entry in log if entry["countChange"] == 0]
 print("Number of walk-ins:", len(walk_ins))
 print("Number of walk-outs:", len(walk_outs))
 print("Number of walk-unders:", len(walk_unders))
-print("-"*20)
+print("-" * 20)
 
 # Calculate faults
 
 for c, n in zip(list(range(len(log))), list(range(len(log)))[1:]):
-    estimated_count: int = log[c]["previousPeopleCount"] + \
-        log[c]["countChange"]
+    estimated_count: int = log[c]["previousPeopleCount"] + log[c]["countChange"]
     faulty: bool = estimated_count != log[n]["previousPeopleCount"]
     log[c]["faulty"] = faulty
     log[c]["faultyCount"] = log[c]["previousPeopleCount"] if faulty else None
@@ -89,11 +89,9 @@ fault_percentage = fault_count / len(log)
 print("Number of faults:", fault_count)
 print("Percentage of faults:", fault_percentage * 100, "%")
 
-print("-"*20)
-faulty_off = [entry for entry in log if entry["faulty"]
-              and entry["faultyCount"] == 0]
-faulty_on = [entry for entry in log if entry["faulty"]
-             and entry["faultyCount"] != 0]
+print("-" * 20)
+faulty_off = [entry for entry in log if entry["faulty"] and entry["faultyCount"] == 0]
+faulty_on = [entry for entry in log if entry["faulty"] and entry["faultyCount"] != 0]
 print("Number of false-0:", len(faulty_off))
 print("Number of false-1:", len(faulty_on))
 print("Percentage of false-0:", len(faulty_off) / fault_count * 100, "%")
diff --git a/src/timeloop/LICENSE b/src/old/timeloop/LICENSE
similarity index 100%
rename from src/timeloop/LICENSE
rename to src/old/timeloop/LICENSE
diff --git a/src/timeloop/__init__.py b/src/old/timeloop/__init__.py
similarity index 100%
rename from src/timeloop/__init__.py
rename to src/old/timeloop/__init__.py
diff --git a/src/timeloop/app.py b/src/old/timeloop/app.py
similarity index 100%
rename from src/timeloop/app.py
rename to src/old/timeloop/app.py
diff --git a/src/timeloop/exceptions.py b/src/old/timeloop/exceptions.py
similarity index 100%
rename from src/timeloop/exceptions.py
rename to src/old/timeloop/exceptions.py
diff --git a/src/timeloop/helpers.py b/src/old/timeloop/helpers.py
similarity index 100%
rename from src/timeloop/helpers.py
rename to src/old/timeloop/helpers.py
diff --git a/src/timeloop/job.py b/src/old/timeloop/job.py
similarity index 100%
rename from src/timeloop/job.py
rename to src/old/timeloop/job.py