using the pulse counter channel for the energy meter and a temperature and humidity channel for voltage and wattage.
It is not an ideal solution but waiting for the implementation of energy meter can be a temporary solution.


Gpio 5 // D1 RX connect to TX of PZEM
Gpio 4 // D2 TX connect to RX of PZEM
Gpio 0 // D3 wisiconfig
To access the Wi-Fi configuration, press Gpio 0 for at least 5 seconds.
in the configuration page enter the data for "suplaServer, Email and Supla Device Name (name with which it will be seen in the cloud)"
added read-only field for Supla Last State to wificonfig.