Heating Sensor Data via MQTT

This little Python script reads sensor data from my AlphaInnotec SWC 120H heat pump using a serial connection and publishes the values via MQTT.

WARNING

USE THIS SCRIPT ON YOUR OWN RISK! I DO NOT GIVE ANY GUARANTEE NOR AM I LIABLE FOR ANYTHING!

Usage

python publish_heating_data.py -p <serial_port> -b <mqtt_broker>

The script implements only one read-publish cylcle. If you want to monitor the values over time, you need to invoke the script using cron.

Dependencies

• pySerial: https://github.com/pyserial/pyserial
• Paho MQTT client for Python: https://www.eclipse.org/paho/clients/python/

More information

More information about the connection to the AlphaInnotec heat pump controller:

• http://www.die-schembergs.de/index.php?page=luxtronic
• https://github.com/christophgysin/heatpumpctl