For the integration side you should take a look at http://home-assistant.io http://home-assistant.io - they support a huge variety of hardware already, and almo

For the integration side you should take a look at http://home-assistant.io http://home-assistant.io - they support a huge variety of hardware already, and almost every type of device includes a configurable MQTT adapter if you're building your own. Once your hardware is integrated with Home Assistant it can handle automating things. The whole system is a big state machine so most automations will involve reacting to state changes and sending commands to other devices in response.