The GDOOR hardware adapter allows the integration of a Gira TKS door bell system into a smart home.

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Gira is a german manufacturer of house appliances, including door systems. These systems are connected via a proprietary two wire bus system. GDOOR is a project to collect and document findings about the Gira TKS Door System, all figured out by reverse engineering.

The GDOOR hardware adapter supports the following features:

• Interfacing the bus messages with your favourite home automation software via MQTT.
• Listening to the bus, e.g. to trigger notifications on mobile devices when a door bell button is pressed
• Sending to the bus, e.g. to open the door
• Support for HomeAssistent, Openhab and many more.