MQTT Client for EP30 Pro/EP3000 Plus

Application for Must EP30 Pro/EP3000 Plus Charger/Inverter, that allows to integrate it into Home Assistant using MQTT or Telegraf/Influxdb/Grafana.

For EP30 Pro

Installation

Install dependencies using pip:

$ pip install paho-mqtt pyserial

Check out and install the latest source code

$ git clone https://github.com/darkmind/ep30_pro_mqtt.git
$ cd ep30_pro_mqtt/

Configuration

Open configuration.yaml and update serial port, discharge_config, charge_config. Update 'backend' option and appropriate section, 'mqtt' or 'influx'.

Running with CLI:

Note: You may need to run script with admin/root privileges.

For EP30 Pro:

$ python mqtt.py [-v] [-h]

For EP3000 Plus

Installation

Install dependencies using pip:

$ pip3 install pymodbus

For 'mqtt' backend:

$ pip install paho-mqtt pyserial

For 'influx' backend:

$ pip install 'influxdb-client[ciso]'

Check out and install the latest source code

$ git clone https://github.com/darkmind/ep30_pro_mqtt.git
$ cd ep30_pro_mqtt/

Configuration

Open configuration.yaml and update serial port, discharge_config, charge_config. Update 'backend' option and appropriate section, 'mqtt' or 'influx'.

For Telegraf/Influxdb/Grafana setup

Create user/token/bucket in Influx db.

if you use telegraf - create configuration file, the example in https://github.com/darkmind/ep30_pro_mqtt/blob/main/grafana/telegraf.conf

You can find Grafana dashboard in https://github.com/darkmind/ep30_pro_mqtt/blob/main/grafana/grafana_home_dashboard.json

Running as service (via systemd)

Copy ep30.service to systemd configuration folder

$ sudo cp ./ep30.service /etc/systemd/system/

Open file with text editor

$ sudo nano /etc/systemd/system/ep30.service

If Mosquitto service not running at same server, remove mosquitto.service from After option of [Unit] section.
Update WorkingDirectory and ExecStart with proper path to code.
If your device is Ep3000 Plus uncomment appropriate section and comment ExecStart for mqtt.py
Start and enable service

$ sudo systemctl start ep30
$ sudo systemctl enable ep30

Licence

Code is licensed under the terms of the MIT License (see the file LICENSE).