Some scripts and 3d models for monitoring a heating installation from a Raspberry Pi.
The read data is published over MQTT (some as well to Domoticz). The MQTT message are consumed by home assistant.
The scripts read out:
- Multiple ds18b20 connected temperature sensors to the system.
- Kamstrup multical 303, using a wired mbus connection.
- Multiple Eastron SDM120 using daisy-chained modbus RS485
- Wilo Yonos Pico circulation pump, that alternates the power and flow on a 7 segment display. Read using the RPi camera. For this also 3d model files are included. A custom seven segment OCR was implemented for the Wilo LED display as the existing solutions did not work very well.
Pump in home assistant:
Camera on pump:
Heatpump monitor in home assistant:
