* `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
* The `tools` folder contains various software tools for RaspberryPi, Arduino and ESP8266/ESP32:
* A [version for ESP8266](esp8266) that includes a web interface
* A [version for Arduino Nano](tools/nano/NRF24_SendRcv)
* An [alternative Version of the above](tools/NRF24_SendRcv)
* A [different implementation](tools/HoyDtuSim)
* An [implementation for Raspberry Pi](tools/rpi) that polls an inverter and archives results as log files/stdout as well as posting them to an MQTT broker.