Domoticz (https://www.domoticz.com/) plugin for PZEM-017 (https://peacefair.en.made-in-china.com/product/IsCEdZMJMhki/China-Pzem-017-0-300V-DC-Voltage-Current-Power-Energy-Meter-Modbus-with-200A-Shunt.html).
Developed and tested with PZEM-017 model (monitoring small photovoltaic power plant), probably it will be operate also with other models PZEM-####. Plugin communicate via Modbus protocol.
Free for use.
Functions: