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Fixed procedure for Razberry Z-Wave on newest HA OS (#16293)

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Co-authored-by: Franck Nijhof <frenck@frenck.nl>
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jorgror 2021-01-26 19:13:09 +01:00 committed by GitHub
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source/_docs/z-wave/device-specific.markdown
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@ -67,32 +67,35 @@ Reboot your Pi 4 without the Razberry Z-Wave hat first. Then shutdown, add the h
#### Raspberry Pi 3 procedure
Add the following parameters to the bottom of the `/boot/config.txt` file.
```text
dtoverlay=pi3-disable-bt
dtoverlay=disable-bt
```
Then disable the Bluetooth modem service:
Reboot your Pi 3.
For Home Assistant OS this should be everything you need to do. You should now be able to use Razberry Z-Wave from `/dev/ttyAMA0`.
For other operating systems such as Raspberry Pi OS you will also have to run the following command:
```bash
sudo systemctl disable hciuart
```
Once Bluetooth is off, enable the serial interface via the `raspi-config` tool. After reboot run:
You should also check the README for details on the overlays. You might find it in `/boot/overlays/README` on your SD-card. If it is not there you can find [the official version here](https://github.com/raspberrypi/firmware/blob/master/boot/overlays/README).
```bash
sudo systemctl mask serial-getty@ttyAMA0.service
```
<div class='note'>
so that your serial interface looks like:
It is possible to keep a limited Bluetooth functionality while using Razberry Z-Wave. Check `boot/overlays/README` on `miniuart-bt`.
```text
crw-rw---- 1 root dialout 204, 64 Sep 2 14:38 /dev/ttyAMA0
```
at this point simply add your user (homeassistant) to the dialout group:
</div>
```bash
sudo usermod -a -G dialout homeassistant
```
<div class='note'>
`disable-bt` was previously known as `pi3-disable-bt`. If your OS is old, you might need to use this instead.
</div>
<div class='note'>