There's this forum thread on Tweakers.net (Dutch): https://gathering.tweakers.net/forum/list_messages/1578510
There are also plug-and-play devices like https://www.homewizard.com/
Other than that, I think the meter types and data standards differ somewhat between countries, so it's probably best to research how it works in your own country/area.
There's this forum thread on Tweakers.net (Dutch): https://gathering.tweakers.net/forum/list_messages/1578510
There are also plug-and-play devices like https://www.homewizard.com/
Other than that, I think the meter types and data standards differ somewhat between countries, so it's probably best to research how it works in your own country/area.