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After getting so cozy with the Zigbee thermostats and temperature sensors, I've now grabbed four Zigbee plugs to test. Sonoff S60ZBTPF, which have a power meter…

I bought myself an Anthbot Genie 600 robot mower and wanted to know what it was up to. After a few hours of nmap, tcpdump and Python scripting I had access to t…

My Grafana dashboard was one single giant page with everything crammed in: server stats, Fritzbox, heating, power, PV - all in collapsed rows. It was annoying t…

While cleaning up my Grafana dashboards I noticed that my Viessmann Vitoladens 300-C cycles way too often: 17-52 burner starts per day, averaging just 9 minutes…

I have 6 Zigbee devices for heating control: 4 Sonoff thermostats (TRVs) and 2 temperature sensors. But only 3 of them showed up in InfluxDB. Telegraf was runni…

After the Flightradar ADS-B setup one thing was clear: RTL-SDR is a blast and I want to receive more. Air band, ACARS, NOAA weather satellites, marine VHF, ISM…

I'm currently heating my 1980s old building into the ground and I have no idea whether the heating curve is right. The Viessmann runs on slope 1.2 / level 3.0 a…

I wanted to know what's flying around up there, so I first applied for a free Flightradar24 receiver kit. They rejected me. So I dug out an old RTL-SDR dongle,…