My ESPhome project to monitor my:

water meters: https://www.bmeters.com/en/products/hydrodigit-s1/

and heating meter: https://www.bmeters.com/wp-content/uploads/2022/06/v1.1_HYDROCAL-M4-User-Manual_EN.pdf

part list:

N16R8 - https://www.aliexpress.com/item/1005006266375800.html?spm=a2g0o.order_list.order_list_main.65.5de01802OHyFtG

https://www.aliexpress.com/item/32879437042.html?spm=a2g0o.order_list.order_list_main.71.419f1802bHVNum

Seems memory size is OK, setup works stable for few days!

code adjusted/combinated from:

https://github.com/SzczepanLeon/esphome-components

and

https://github.com/zibous/ha-watermeter

Thanks!!