Skip to content
PLAN2X
← All guide topics

IoT at home: how do devices and systems connect?

A shared app does not guarantee complete integration. What matters is which data and commands your devices can actually exchange and which components must stay available for that to work.

Smart home use cases for a more relaxed everyday life.

PLAN2X · Editorial review: 17 October 2026

Distinguish Matter from Thread

Matter uses technologies including Thread, Wi-Fi and Ethernet for communication. Thread provides the wireless network; a border router connects it to the wider IP network. Also check the supported device type and the capabilities of your chosen control platform. A logo cannot replace that assessment.

Connectivity Standards Alliance: Matter FAQ

Gateways expose a defined set of functions

Bridges can bring devices using other technologies into a Matter environment. Accessible properties depend on the bridge, devices and platform. Ask equally specific questions about a KNX connection: which values are read, which commands can be sent and how will changes be maintained?

Connectivity Standards Alliance: Matter FAQ

Decide on local operation and cloud separately

Document which functions run within the home and which need an internet service. Test behaviour without internet and when the controller fails. Remote access, voice services and analytics may require extra accounts or services. Choose these deliberately.

BSI: Setting up a smart home securely

Energy integration starts with an objective

Should your car charge preferentially from PV generation, or should loads be coordinated? Measurements, controllable functions and interfaces need to match in practice. Have the professionals involved agree on responsibilities, limits and behaviour without the supervisory controller.

KNX Association: KNX IoT and KNX Classic – charging and storage

Plan updates and data access

Record who updates devices, backs up configurations and hands over accounts. Ask about the promised support period and changing service providers. For sensors and platforms, check which usage data is collected and where it is sent.

BSI: Setting up a smart home securely

Questions to help you decide

  • Which specific function should a connection enable?
  • Does it need a hub, gateway, account or cloud service?
  • Will basic controls remain usable during an outage?
  • Who supports the connection after device or software changes?

Sources and further information