Depending on your setup (PC, Arduino, or Web), you can use the following resources: pzem-017 free download - SourceForge
The is a powerful, low-cost DC communication module used to monitor voltage, current, active power, and total energy consumption. Because it lacks a built-in digital display, users must rely on external software via its RS485 Modbus-RTU interface to read and manage the recorded data. pzem-017 software download
After installation, check COM port in Device Manager (Windows) or ls /dev/ttyUSB* (Linux). Depending on your setup (PC, Arduino, or Web),
The standard manufacturer software for Windows allows you to read data and reset energy totals via an RS485-to-USB interface. Official Master Software The standard manufacturer software for Windows allows you
Home automation, solar monitoring, Grafana dashboards.
No official app. But you can use an OTG USB-to-TTL cable with “Serial USB Terminal” app and send Modbus RTU commands manually.