I don't know much about gas boilers, but I highly doubt that the gas consumption for heating will have any direct relationship with the boiler's electricity consumption.
( electronics, power supply for some kind of burner servo drive )
But maybe if there is just an ON/OFF burner valve, it could be ...

Old post, but maybe it will be useful for someone.

viewtopic.php?p=330986#p330986

I just test uploaded a database from my production system on RPi2 from 2019 - version: 4.10717 to Ubuntu with Domoticz 2025.1
Everything seems OK, devices, scripts, even room plans.
I expected more trouble and I am very pleasantly surprised.
Big thanks to the author - programmer.

I also ended up with a broken Domoticz on my Ubuntu 20.04 after upgrading via webGUI.
No mention anywhere of openssl compatibility issues. Nor in release notes...
No data in backups folder ( databases only ) in my case.
I tried copying the files back to the domoticz directory from may backup or from ...

jannl wrote: Saturday 03 January 2026 15:28 You know the os relase has to be bookworm?

Did you read the release notes?

The release notes you see when upgrading via the web GUI don't mention a word about openssl compatibility issues...

I found it on the internet - maybe it can be inspiring for someone.

https://raw.githubusercontent.com/rwbl/domoticz-homeautomation-workbook/master/domoticz-homeautomation-workbook.pdf

I just discovered that it's already in the thread:

https://forum.domoticz.com/viewtopic.php?t=26874

But I ...

I think, Domoticz counters counts only integers.
Is 0.2mm integer?
You mus send 20 instead, I think.
You can also use a normal incremental counter where you adjust the units and divisors

With ESPeasy I do it very simply with rules.

On the side of Domoticz traditional definition switch action:

http://192.168.1.119/control?cmd=event,lamp_on
or
http://192.168.1.119/control?cmd=event,lamp_off


On ESPeasy this rules:


on lamp_on do
gpio,12,1 // relay ON
gpio,13,0 // LED ON ...

I think, this Shelly suports scripting.
So why all this mqtt and node red?
Switching on and off works by direct call from Domoticz like all older ones.
And Shelly can send measured values ​​directly to Domoticz using a script running on it.

For example here is a part of my code for sending amount ...

Why so complicated when your 12V car battery can run ESP for maybe more than 100 years?

First - I see your address "/channels/1/pic..." and for me works "/channels/101/pic..."

Second - Hikvision in manual recommends using strong passwords, but beware, you cannot use some characters in the http address.

For example my own painful experience when testing stream with VLC. My password ...

Connect sensors to ESP running ESPeasy and you can calibrate each sensor individually before send data to Domoticz....

HA don't have any something like json api to send current state of P1 from Domoticz?

I prefer communication between devices.
PIR detects movement and sends a command directly to light switch to temporarily turn on the light.
The light switch knows that it has received a command from the PIR sensor and therefore turns on the light for a certain time. It also sends the information ...

You can easy build it yourself.
I am using Sonoff Basic with 2 DS18B20 ( room and floor temp. ) running ESPeasy like standalone thermostat.
Setpoint is received from Domoticz, heating status and energy consumption are exported to Domoticz.
You can use Shelly1 too for that now.
First version with ...

I think, you must build your own thermostat.
All what you want can be done with Domoticz and ESPeasy rules for example.

Here is my solution - not so complex. I don't need hysteresis, not using home/away - only timers for setpoint etc

https://youtu.be/1ef6tRinOQ4

Third winter without any problem ...

I use Setpoint timer feature for sending scheduled value to my ESP thermostat:

1) backup database from Domoticz web page
3) Shutdown your RPI
4) remove its SD card and in another computer copy /home/domoticz folder
5) install new system and Domoticz
6) copy specific files to /home /domoticz new instaled ( scripts, images, floorplans - new versions do some of this by backup ...

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I have one Sonoff with ESPeasy and with "service IP adress"
If some thermostat fails, I replace it with this "service" Sonoff, connect to its "service IP adress" and load config file previously stored for specific thermostat. This will restore everything including working IP. Or you can do ...