Growatt wifi S dongle on deye 12kw inverter
BEWARE: Code is currently not valid and should not be used.
the esp seems to be to week to handle all the modbus parameters.
code is snatched from https://github.com/klatremis/esphome-for-deye
and
https://community.home-assistant.io/t/esphome-modbus-growatt-shinewifi-s/369171
Howto flash the dongle:
https://github.com/otti/Growatt_ShineWiFi-S
enjoy.