esphome-sonoff-zbbridge

ESPHome custom firmware for Sonoff "ZBBridge" (SNZB0-03) eWeLink WiFi Zigbee Gateway.

This is based on the excellent work that @syssi put together for the Ethernet/ESP32 version of this bridge.

Compatible hardware

The Sonoff ZBBridge Zigbee to Wifi bridge/gateway based on Espressif ESP8266 and a Silicon Labs EFR32MG21 Zigbee radio (CoolKit-Technologies "SM-011 V1.0" module).

Supported devices

• Sonoff Zigbee Bridge with WiFi (labled "ZB Bridge" on the back).

Requirements

• ESPHome 2021.9.3 (see "Known issues")

Quick start guides

• Flash ESPHome and use the ZB Bridge as Zigbee Coordinator
• How to convert from Zigbee Coordinator into a Zigbee Router device

Known issues

• This may be impacted by the Watchdog heartbeat timeouts if you use ESPHome >2021.9.3 (#8)
  oxan/esphome-stream-server#14

References

• https://templates.blakadder.com/sonoff_ZBBridge.html
• arendst/Tasmota#12764
• arendst/Tasmota#14168
• arendst/Tasmota#11536
• https://github.com/arendst/Tasmota/tree/development/tools/fw_SonoffZigbeeBridge_ezsp
• https://github.com/xsp1989/zigbeeFirmware
• https://github.com/oxan/esphome-stream-server
• https://github.com/thegroove/esphome-serial-server
• https://github.com/thegroove/esphome-zbbridge
• https://github.com/thegroove/esphome-zeroconf
• https://github.com/thegroove/esphome-zha-ezsp-zeroconf
• https://github.com/CoolKit-Technologies/DevDocs/blob/master/Zigbee/SM-011应用指导书.md
  • zigpy/zigpy#586
• https://github.com/vahempio/Tasmota-for-eWeLink
• https://www.digiblur.com/2020/07/how-to-use-sonoff-zigbee-bridge-with.html
• https://www.digiblur.com/2021/03/zigbee2mqtt-with-sonoff-zigbee-bridge.html
• https://www.digiblur.com/2022/02/convert-sonoff-zigbee-bridge-to-router-repeater.html