The annoying thing about commercial smart home gear is its lack of interoperability ... ably with his project to use ancient 1990s burglar alarm sensors in his modern smarthome setup.

Looking for a professionally installed home security system because you don't want to install one yourself? We list the best of 2025 to help you decide.

In this case, the data was sent via MQTT with the Home Assistant instance configured to treat these MQTT topics as sensors. With each sensor’s location carefully registered, this allows for ...