Successfully Integrating Slimmelezer+ with Aidon Meter: A Step-by-Step Guide

General
1

Recently, I successfully integrated my Slimmelezer+ device with the Aidon 6534 energy meter, which follows the Swedish Branschrekommendation 1.2 standard. This process was initially quite challenging, but I managed to find a solution through research and some trial and error. Here’s a detailed breakdown of how I did it, in case anyone else is facing similar issues.

The Challenge

Slimmelezer+ is a fantastic device for reading energy meter data, but out of the box, it doesn’t support the specific HDLC-based communication protocol used by the Aidon 6534 meter. After some extensive online research, I stumbled upon a forum where a user had already solved this problem using a modified version of Forsberg’s ESPHome P1 reader code. This was a game-changer!

The Solution

  1. Hardware Setup

    • Connect the Slimmelezer+ to your computer using a USB-C cable.
    • Ensure the device is powered via the P1 port for optimal performance.

  2. Software Configuration

    • Install the ESPHome integration in Home Assistant.
    • Create a new device named p1reader and skip the initial setup steps.
    • Replace the default configuration with the modified p1reader.yaml file from Forsberg’s GitHub repository.

  3. Secrets Configuration

    • Set up your Wi-Fi credentials and other necessary passwords in the ESPHome secrets file.

  4. Firmware Installation

    • Connect the Slimmelezer+ to your computer and install the modified firmware using the ESPHome interface.

  5. Integration with Home Assistant

    • Add the p1reader device to Home Assistant by searching for it under the ESPHome integration.
    • Configure the necessary ports and API passwords as outlined in the setup guide.

Testing and Verification

After installing the firmware and integrating the device, I monitored the data flow to ensure everything was working correctly. The Slimmelezer+ began capturing data from the Aidon meter seamlessly, and I could view the information within Home Assistant. This was a huge relief after the initial setup challenges!

Tips for Success

  • Backup Your Work: Always keep a backup of your configuration files and settings. This can save you a lot of time if something goes wrong during the setup process.
  • Community Resources: Don’t hesitate to reach out to forums and communities for help. The smart home community is incredibly supportive, and chances are someone else has encountered and solved the same issue.
  • Documentation: Keep detailed notes of each step you take during the setup process. This will be invaluable if you need to troubleshoot issues later on.

Conclusion

Integrating the Slimmelezer+ with the Aidon 6534 meter was a rewarding experience, despite the initial hurdles. By leveraging community resources and modifying existing code, I was able to create a functional and efficient energy monitoring setup. If you’re facing similar challenges, I hope this guide helps you achieve the same success!

Happy tinkering! :rocket: