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125 lines
4.0 KiB
Markdown
125 lines
4.0 KiB
Markdown
# Home Assistant Add-on: Z-Wave JS
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## Installation
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Follow these steps to get the add-on installed on your system:
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1. Navigate in your Home Assistant frontend to **Supervisor** -> **Add-on Store**.
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2. Find the "Z-Wave JS" add-on and click it.
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3. Click on the "INSTALL" button.
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## How to use
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The add-on needs to know where your Z-Wave stick can be found, and therefore,
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you'll need to configure the add-on to point to the right device.
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If you're using Home Assistant you may find the correct value for this on the
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`Supervisor -> System -> Host system -> Hardware` page. It is recommended
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to use a "by-id" path to the device if one exists, as it is not subject to
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change if other devices are added to the system.
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1. Replace `null` in the `device` option in the add-on configuration and specify
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the device name in quotes: e.g., something like
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`"/dev/serial/by-id/usb-0658_0200-if00"`,
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`"/dev/ttyUSB0"`, `"/dev/ttyAMA0"`, or `"/dev/ttyACM0"`.
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2. Set your 16-byte (32 character hex) network key in the form `2232666D1...`
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used in order to connect securely to compatible devices. It is recommended
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that a network key is configured as some security enabled devices (locks, etc)
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may not function correctly if they are not added securely.
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* As a note, it is not recommended to securely connect *all* devices unless
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necessary as it triples the amount of messages sent on the mesh.
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3. Click on "SAVE" to save the add-on configuration.
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4. Start the add-on.
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5. Add the Z-Wave JS integration to Home Assistant, see documentation:
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<https://www.home-assistant.io/integrations/zwave_js>
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## Configuration
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Add-on configuration:
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```yaml
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device: /dev/ttyUSB0
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network_key: 2232666D100F795E5BB17F0A1BB7A146
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```
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### Option `device`
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The device address of your Z-Wave controller.
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If you're using Home Assistant you may find the correct value for this on the
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`Supervisor -> System -> Host system -> Hardware` page. It is recommended
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to use a "by-id" path to the device if one exists, as it is not subject to
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change if other devices are added to the system.
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In most cases this looks like one of the following:
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- `"/dev/serial/by-id/usb-0658_0200-if00"`
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- `"/dev/ttyUSB0"`
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- `"/dev/ttyAMA0"`
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- `"/dev/ttyACM0"`
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### Option `network_key`
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Security Z-Wave devices require a network key before being added to the network.
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You must set the `network_key` configuration option to use a network key before
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adding these devices.
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If you don't add a network key, it will autogenerate one for you.
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To generate a network key manually, you can use the following script in, e.g.,
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the SSH add-on:
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```bash
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hexdump -n 16 -e '4/4 "%08X" 1 "\n"' /dev/random
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```
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You can also use sites like this one to generate the required data:
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<https://www.random.org/cgi-bin/randbyte?nbytes=16&format=h>
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Ensure you keep a backup of this key. If you have to rebuild your system and
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don't have a backup of this key, you won't be able to reconnect to any securely
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included devices. This may mean you have to do a factory reset on those devices
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and your controller, before rebuilding your Z-Wave network.
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### Option `log_level` (optional)
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This option sets the log level of Z-Wave JS. Valid options are:
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- silly
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- debug
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- verbose
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- http
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- info
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- warn
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- error
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If no `log_level` is specified, the log level will be set to the level set in
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the Supervisor.
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### Option `emulate_hardware` (optional)
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If you don't have a USB stick, you can use a fake stick for testing purposes.
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It will not be able to control any real devices.
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## Known issues and limitations
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- Your hardware needs to be compatible with the Z-Wave JS library
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## Support
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Got questions?
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You have several options to get them answered:
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- The [Home Assistant Discord Chat Server][discord].
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- The Home Assistant [Community Forum][forum].
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- Join the [Reddit subreddit][reddit] in [/r/homeassistant][reddit]
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In case you've found a bug, please [open an issue on our GitHub][issue].
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[discord]: https://discord.gg/c5DvZ4e
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[forum]: https://community.home-assistant.io
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[issue]: https://github.com/home-assistant/hassio-addons/issues
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[reddit]: https://reddit.com/r/homeassistant
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