I published the entire article about the device in the journal Elektronika Praktyczna 7/2019. You can read it at:

https://serwis.avt.pl/manuals/AVT5690.pdf

Unfortunately in Polish, but Google translates well with translation

burg

Nice project! The most elegant products are the lean ones in my view so well done. TNX :) What about the material costs the sensor? (and do you build them for others?) The cost of modules is ~35-40 €. I did not think about selling, but if there were more willing, I could consider it :) Any need for ...

and more pictures:

Kind Regards,
burg

Hello :) I have been wondering for a long time whether to present my project, because there is nothing special about it, but you can rate it yourself ... I would like to present my latest project: smart energy monitor. The module reads the electricity consumption from each electric meter with an LED ...