A Docker based Home Assistant interface for the EPEver MPPT Charge controllers to interface from Modbus to MQTT

Docker Hub: bushrangers/ha-epever-mqtt:latest

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This project is a lightweight docker container, designed to read data from the EPEver MPPT charge controllers, then transmit the data to a Home Assistant server (via MQTT) as part of a wider energy monitoring solution for your solar...

As I'm short on time, the code is based on the PhpEpsolarTracer by Luca Soltoggio.

This is a great addition to the Voltronic HA Solar Monitor (if you are running this also) and using both the Epever MPPT and the Voltronic Inverter in parallel.

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The program is designed to be run in a Docker Container, and can be deployed on a Raspberry PI, inside your breaker box, using a DIN rail mount such as the Modulbox, from Italtronic.

Prerequisites

• Docker
• Docker-compose
• Modbus connection to the MPPT (Such as the Exar Corp Modbus USB cable that comes with the MPPT controller)
• Home Assistant running with a MQTT Server

Configuration & Standing Up

It's pretty straightforward, just clone down the sources, set the configuration in the config/ directory, and then stand the container up...

# Clone down sources on the host you want to monitor...
git clone https://github.com/ned-kelly/docker-epever-homeassistant.git /opt/docker-epever-homeassistant
cd /opt/docker-epever-homeassistant

# Configure your MQTT server settings, offsets, serial port, etc...
vi config/config.yml

Note read the following thread (the whole thread) if you're having issues getting your Exar Modbus adapter working: https://www.raspberrypi.org/forums/viewtopic.php?t=171225

docker-compose up -d

Note:

• builds on docker hub are currently for linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64,linux/386 -- If you have issues standing up the image on your Linux distribution (i.e. An old Pi/ARM device) you may need to manually build the image to support your local device architecture - This can be done by uncommenting the build flag in your docker-compose.yml file.

• The default docker-compose.yml file includes Watchtower, which can be configured to auto-update this image when we push new changes to github - Please uncomment if you wish to auto-update to the latest builds of this project.

Integrating into Home Assistant.

Providing you have setup MQTT with Home Assistant, the device will automatically register in your Home Assistant when the container starts for the first time -- You do not need to manually define any sensors.

From here you can setup Graphs and regular text value sensors to display sensor data.