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(still learning as I write this)
So Home Assistant seems to have two ways to chat natively with Zigbee devices, as long as you have Zigbee Coordinator (hardware) installed. Which I do, I actually bought one that was recommended on this Home Assistant page, I selected the ITead SONOFF Zigbee 3.0 USB Dongle Plus Model “ZBDongle-E” (EFR32MG21 variant - mine is listed as "V2").
The default way worked very good - hardly any effort to install and get it working.
However ... Since I am still in my experimentation phase, and I did run into some Zigbee devices that didn't quite work as expected, I decided to give Zigbee2MQTT a try.
For some reason Zigbee2MQTT kept failing and the log kept saying that it couldn't connect to the Zigbee Coordinator (make sure to disable the "Zigbee Home Automation" under "Devices & Services").
Log message:
Error: Failed to connect to the adapter (Error: SRSP - SYS - ping after 6000ms)
Seem for this particular dongle we need to specify the chipset/dongle in the config of Zigbee2MQTT (more info).
The ZBDongle-E uses a different chip, the Silicon Labs EFR32MG21 which uses Zigbee Stack EmberZNet (EZSP v8). (adapter settings documentation)
That being said, after explicitly specifying adapter: ezsp Zigbee2MQTT starts successfully.
Here my settings:
Hope this is helpful for other HA users 😊
