Z-Wave Controllers - Home Assistant
www.home-assistant.io › docs › z-wavedtoverlay=disable-bt. Text. Copy. 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: sudo systemctl disable hciuart. Bash.