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Flash Tasmota

Step 1: Open ZbBrige Pro

zbridge bottom.jpgc

Remove the rubber feets by using e.g. a scalpel at the bottom and unscrew the 4 small phillips screws beneath.

Step 2: Prepare board

zbridge_board_top.png

Solder 5 pins to the GND, GPIO0, RX,TX and 3V pinholes.

Step 3: Connect USB-to-TTL adapter

zbridge_ttl_adapter_connect.png

Connect using the following layout:

ZbBridge USB-to-TTL adapter
3V3

3V3
TX RX
RX RX
GPIO0 GND
GND GND

Step 4: Flash Tasmota

Option 1: Webinterface

tasmota-web-install.png

Go to the Tasmota install website and select the options Tasmota32 Sonoff-ZigbeeBridgePro and All, press connect and flash the firmware.

Option 2: Manual install via Tasmotizer (not verified)

tasmotizer.png

Download the newest version of the Tasmota firmware for Zigbee Bridge Pro and flash using the Tasmotizer application (tasmotizer-1.2.exe).

(Used version at date of creation: tasmota32-zbbrdgpro.bin)

Step 5: Flash ZigBee Coordinator

Plug in the device and head over to the Tasmota web interface. Then continue to Consoles > Berry Scripting console and input the following to very the flash files for the ZigBee Coordinator chip: 

import sonoff_zb_pro_flasher as cc
cc.load("SonoffZBPro_coord_20220219.hex")
cc.check()

After getting a positive verification response contine to flash with the following command: 

cc.flash()

Now the Tasmota will become unresponsive for approximately 5 minutes, after that yet again a positive response should appear in the console (you might need to reload the website). Then restart the Tasmota device and head into the normal console, there should be messages regarding the ZigBee device now.

Step 6: Configure template

As a last step go to Configuration > Auto configuration and select and apply the Sonoff ZBPro configuration.

 

 

Credits

I followed Julian Decker's installation guide closely for the most parts, so have a look there if you need more detailed information.

 

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