I am a little bit puzzled. I have searched the WWW to get the job done with less work, but then I stumpled into trouble after few minutes. SYSTEM / INSTALLATION Homematic CCU3 Version: 3.2.0.M4 (Build) User: openhab (Active Process 18408) User Groups: openhab tty dialout audio Direc…

[image] lil2k: have logged data based on rrd4 You might look into how rrd4j works. It compresses old data, by discarding and averaging data, the older the more compressed. That’s to keep the database a fixed size, and it works great for graphing and charting, where we need less detail the m…

<item>.deltaSince(..) does not provide "delta" for rain counter for Homematic WeatherStation HmIP-SWO-PL

lil2k (Christian Benjamin Ries) November 11, 2021, 11:53am 3

Alright, I switched over to InfluxDB by help of this nice tutorial:

I imported few datasets from rrd4j with this nice tool:

So far, I will give it a try.

Thanks.