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| layout | title | description | date | sidebar | comments | sharing | footer | logo | ha_category |
|---|---|---|---|---|---|---|---|---|---|
| page | Z-Wave | Instructions how to integrate your existing Z-Wave within Home Assistant. | 2015-03-23 19:59 | true | false | true | true | z-wave.png | Hub |
Z-Wave integration for Home Assistant allows you to observe and control connected Z-Wave devices. Z-Wave support requires a supported Z-Wave USB stick to be plugged into the host.
There is currently support for switches, lights and sensors. All will be picked up automatically after configuring this platform.
Installation
To allow Home Assistant to talk to your Z-Wave USB stick you will have to compile Python Open Z-Wave. This can be done using this script. (The Home Assistant docker image has support for Z-Wave built-in)
Make sure you have the correct dependencies installed before running the script:
$ apt-get install cython3 libudev-dev python-sphinx python3-setuptools
$ pip3 install "cython<0.23"
Configuration
# Example configuration.yaml entry
zwave:
usb_path: /dev/ttyUSB0
config_path: /usr/local/share/python-openzwave/config
polling_interval: 10000
customize:
sensor.greenwave_powernode_6_port_energy_10:
polling_intensity: 1
Configuration variables:
- usb_path (Required): The port where your device is connected to your Home Assistant host.
- config_path (Optional): The path to the Python Open Z-Wave configuration files.
- polling_interval (Optional): The time period in milliseconds between polls of a nodes value.
- customize (Optional): This attribute contains node-specific override values:
- polling_intensity (Optional): Enables polling of a value and sets the frequency of polling (0=none, 1=every time through the list, 2-every other time, etc)
To find the path of your Z-Wave stick, run:
$ ls /dev/ttyUSB*
Events
Some devices can also trigger scene activation events, which can be used in automation scripts (for example the press of a button on a wall switch):
# Example configuration.yaml automation entry
automation:
- alias: Turn on Desk light
trigger:
platform: event
event_type: zwave.scene_activated
event_data:
entity_id: zwaveme_zme_wallcs_secure_wall_controller_8
scene_id: 11
The entity_id and scene_id of all triggered events can be seen in the console output.