Peacefair PZEM 016 / 017 connection to Esp8266 Esp32

I am using the inexpensive Peacefair PZEM energy monitors on my solar system for DC and AC  . I connected them to esp8266 or esp32 which gets the data to Raspberry Pi . I have another video where I will show how to get the PZEM data to mqtt which can then be used in grafana graphs.
part two
Peacefair PZEM to Esp32 to mqtt on Ra...
part three
Peacefair PZEM-016 or 017   mqtt data...