Various tools, examples, and documentation for communicating with Hoymiles microinverters.

In particular:

• doc/hoymiles-format-description.txt is a detailed description of the communications format and the history of this project
• doc/getting-started-ESP8266.md shows the hardware setup for an ESP8266-based system
• The tools folder contains various software tools for RaspberryPi, Arduino and ESP8266/ESP32:
  • A version for ESP8266 that includes an web interface
  • A version for Arduino Nano
  • An alternative Version of the above
  • A different implementation
  • An implementation for Raspberry Pi that polls an inverter and archives results as log files/stdout as well as posting them to an MQTT broker.

Contributors are always welcome!