Heat pump drip tray defrost logic with Siemens Logo

Siemen Logo based logic to control drip tray heating for an air to water heat pump

Monitoring Daikin Altherma heat pump

Details about monitoring Daikin Altherma 3 R W – EHBX-E9W using Raspberry PI and Nodered.

Data from home – Info Display

Earlier this year I wrote 5 posts about gathering and visualizing the data from our home. I think I got some valuable results. Having done such effort I felt that I could put the results for a better use. That means having an info display at a wall of our home. I’m planning to write […]

Data from home – alerting and water shutoff (Part 5)

Couple of examples of alerting with Grafana and reacting to those with IFTTT. Building an example of how to protect from water leaks with these techniques.

Data from home – district heating, computer vision (Part 4)

My first touch to computer vision. Reading the display of my district heating meter with OpenCV and importing the results to Prometheus.

Data from home – energy analyzer, requests against webUI (Part 3)

Gathering realtime data from my electricity meter by means of mimicking WebUI calls with Python. Showing the results in Grafana.

Data from home – wireless water meter (Part 2)

Learning to read my wireless watermeter and reporting the results with Grafana. A simple process that took me nearly two years!

Data from home – setup and preliminary results (Part 1)

Description about the setup I have been building for data related to my home. What I wanted, how I did it and what came out of it.