Here's my Home Assistant configuration for my House. I am using the easy to install Hass.io running on a Raspberry Pi.

• Lots of SmartHome Insteon devices controlled through ISY-994i.
• ISY-994i for Insteon control.
• Presence detection.
  • Unifi Controller for network device tracking.
  • iOS app for location tracking and notifications.
• Climate
  • Three Nest thermostats.
  • Davis Vantage Pro2 connected to weeWX which publishes to Wunderground and local MQTT server so HA can pick up current conditions.
• Cameras
  • Multiple Unifi Cameras and Unifi Protect using ffmpeg camera.
• Custom MQTT devices
  • WiFi Gate Controller for controlling my US Automatic gate opener.
    • KiCAD board design and software is available on GitHub.
  • WiFi Septic Controller for controlling and monitoring my Aerobic Septic System.
    • KiCAD board design and software is available on GitHub.
  • Raspberry Pi RGBW LED Controller HAT for controlling a high power RGB LED Floodlight.
    • KiCAD board design and software is available on GitHub.
  • Raspberry Pi Thermocouple pHat used to monitor Refrigerator temperatures.
    • KiCAD board design and software is available on GitHub.
• Custom components (see homeassistant-custom-components repository)
  • Haiku with SenseME fan and light component
  • MQTT_sharing component for multiple Home Assistant instances