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🖐 Ahoy!

Communicate with Hoymiles inverters via radio. Get actual values like power, current, daily energy and set parameters like the power limit via web interface or MQTT. In this repository you will find different approaches means Hardware / Software to realize the described functionalities.

Table of approaches:

Board	MI	HM	HMS/HMT	comment	HowTo start
ESP8266/ESP32, C++	✔️	✔️	coming soon✨	👈 the most effort is spent here	create your own DTU
Arduino Nano, C++	❌	✔️	❌
Raspberry Pi, Python	❌	✔️	❌
Others, C/C++	❌	✔️	❌

Getting Started

Guide how to start with a ESP module ESP Webinstaller (Edge / Chrome Browser only)

Our Website

https://ahoydtu.de

Success Stories

• Getting the data into influxDB and visualize them in a Grafana Dashboard (thx @Carl)

Support, Feedback, Information and Discussion

• Discord Server (~ 3.800 Users)
• The root of development

Development

If you encounter issues use the issues here on github.

Please try to describe your issues as precise as possible and think about if this is a issue with the software here in the repository or other software components.

Contributors are always welcome!

Related Projects

• OpenDTU <- Our sister project ✨ for Hoymiles HM-300, HM-600, HM-1200 (for ESP32 only!)
• DTU Simulator <- Go here ✨ for Hoymiles MI-300, MI-600, MI-1200 Software (single inverter only)