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dbus-shelly-uni-temperature

Integrate Shelly Uni temperature into Victron Energies Venus OS

Purpose

With the scripts in this repo it should be easy possible to install, uninstall, restart a service that connects the Shelly Uni to the VenusOS and GX devices from Victron. Used @vikt0rm dbus-shelly-1pm-pvinverter as a starting point for this. Linked below.

Inspiration

This project is my first on GitHub and with the Victron Venus OS, so I took some ideas and approaches from the following projects - many thanks for sharing the knowledge:

How it works

-- todo

Details / Process

As mentioned above the script is inspired by @fabian-lauer dbus-shelly-3em-smartmeter implementation. So what is the script doing:

  • Running as a service
  • connecting to DBus of the Venus OS com.victronenergy.pvinverter.http_{DeviceInstanceID_from_config}
  • After successful DBus connection Shelly 1PM is accessed via REST-API - simply the /status is called and a JSON is returned with all details A sample JSON file from Shelly 1PM can be found here
  • Serial/MAC is taken from the response as device serial
  • Paths are added to the DBus with default value 0 - including some settings like name, etc
  • After that a "loop" is started which pulls Shelly 1PM data every 750ms from the REST-API and updates the values in the DBus

Thats it 😄

Pictures

Install & Configuration

Get the code

Just grap a copy of the main branche and copy them to a folder under /data/ e.g. /data/dbus-shelly-1pm-pvinverter. After that call the install.sh script.

The following script should do everything for you:

wget https://github.com/tmlarsson/dbus-shelly-uni-temperature/archive/refs/heads/main.zip
unzip main.zip "dbus-shelly-uni-temperature-main/*" -d /data
mv /data/dbus-shelly-uni-temperature-main /data/dbus-shelly-uni-temperature
chmod a+x /data/dbus-shelly-uni-temperature/install.sh
/data/dbus-shelly-uni-temperature/install.sh
rm main.zip

⚠️ Check configuration after that - because service is already installed an running and with wrong connection data (host, username, pwd) you will spam the log-file

Change config.ini

Within the project there is a file /data/dbus-shelly-1pm-pvinverter/config.ini - just change the values - most important is the deviceinstance, custom name and phase under "DEFAULT" and host, username and password in section "ONPREMISE". More details below:

Section Config vlaue Explanation
DEFAULT AccessType Fixed value 'OnPremise'
DEFAULT SignOfLifeLog Time in minutes how often a status is added to the log-file current.log with log-level INFO
DEFAULT Deviceinstance Unique ID identifying the shelly 1pm in Venus OS
DEFAULT CustomName Name shown in Remote Console (e.g. name of pv inverter)
ONPREMISE Host IP or hostname of on-premise Shelly 3EM web-interface
ONPREMISE Username Username for htaccess login - leave blank if no username/password required
ONPREMISE Password Password for htaccess login - leave blank if no username/password required

Used documentation

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