All SONOFF WiFi and Zigbee home automation devices can now work with the Matter protocol. This can be done in two ways: Software path (free of charge)  - ...
$ cd hello-world $ idf.py set-target esp32 $ idf.py build $ idf.py -p COM4 flash $ idf.py -p COM4 monitor $ cd hello-gpio $ idf.py set-target esp32 $ idf.py build $ idf.py -p COM4 flash $ idf.py -p ...
Optional values: 1,2,3,3_2,3t,4,4_3,5,6,7. Note that uCore will set the default value of CHAPTER according the name of branch. So usually you need not to care about this parameter.