sepicker

📊 Monitoring for the STIEBEL ELTRON Heat Pump

Table of Contents

Requirements
Installation
Config
- CAN bus
  - Example
  - Description
- Data
  - Example
  - Description
- Database
Resources
License

Requirements

Python 3.11
MySQL
Grafana (optional)
Raspberry Pi + CANable (or similar devices)

Installation

Download the latest release

wget https://github.com/danielbayerlein/sepicker/releases/latest/download/package.zip

Unzip the package
```
unzip package.zip
```
Install the dependencies
```
pip3 install -r requirements.txt
```

Cron Job

To collect the data every x minutes, it's necessary to create a cron job. This is an example to query the data every two minutes:

*/2 * * * * /home/pi/sepicker/bin/sepicker

Database

Execute the seed file via MySQL command line or copy the query into your MySQL shell.

Grafana (optional)

With Grafana you can create your own dashboard with widgets or use the existing template.

Config

The configuration for the CAN bus and for the data to be queried is located in config.yml. The database configuration is located in .env.

CAN bus

File: config.yml

Example

can:
  interface: can0
  sender: 680

Description

interface: CAN bus interface
- can0
sender: Sender ID
- 680

Data

File: config.yml

See http://juerg5524.ch/data/ElsterTable.inc for the indexes.

Example

data:
  - name: AUSSENTEMPERATUR
    index: 180.000c
    format: dec_val
  - name: QUELLENTEMPERATUR
    index: 180.01d4
    format: dec_val
  - name: FEHLER
    index: 180.0001

Description

name: Name for the data point
- AUSSENTEMPERATUR
index: Receiver and Register separated by a dot
- 180.000c
format (optional):
- dec_val
- mil_val
- little_endian

Database

File: .env

Rename the .env.example file to .env or create it with the following content:

DB_DATABASE=heat-pump
DB_HOST=127.0.0.1
DB_USER=root
DB_PASSWORD=

Resources

License

Copyright (c) 2020-present Daniel Bayerlein. See LICENSE for details.

License

danielbayerlein/sepicker

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