Check out these two videos we did on Zigbee fundamentals - Video #1 - Video #2
Integrating Zigbee devices via Sonoff into Home Assistant · Blog
Home Assistant, Tasmota, and the Sonoff Zigbee Bridge
How to flash Tasmota to a Sonoff Zigbee wifi bridge/hub to
Sonoff Zigbee Bridge with Tasmota And Home Assistant using ZHA
ZigBee 3.0 Wired Gateway Hub eWeLink APP Smart Home Ethernet
Home Assistant, Tasmota, and the Sonoff Zigbee Bridge
Tasmotized eWelink Zigbee bridge ZB-GW03 connection problem / Port
Sonoff RF Bridge R2.2 Tasmota, Direct Hack Mod Tutorial
How to Use Zigbee2Tasmota with Home Assistant – The Helpful Idiot
How to flash Tasmota on Sonoff ZB Bridge Pro - NotEnoughTech
Setting up a new smart home with Home Assistant – Part Two: Adding
Setting up a Zigbee WiFi bridge using Tasmota and Sonoff hardware
Issues Flashing Zigbee firmware onto Sonoff ZigBee Bridge : r
How to use the Sonoff Zigbee Bridge with Zigbee2mqtt : r/homeassistant