It logs data to a local IndexedDB database, displaying readings through automated visual charts.
This method eliminates any PC software – the ESP32 reads the meter directly and publishes values over WiFi to Home Assistant via the native API or MQTT.
The official tool is basic but provides the core functionality for device setup. pzem-017 software download
Swap the A and B wires on the RS485 adapter. This is the most common hardware error.
The default Modbus address is 0x01 . If you use multiple modules on one bus, you must change the address numbers individually using the software before linking them. If you need help setting up your device, tell me: What operating system (Windows, Mac, Linux) are you using? It logs data to a local IndexedDB database,
The PZEM-017 is also supported by several popular home automation and IoT platforms, making it easy to integrate into existing systems without writing complex code.
For advanced users, several open-source tools provide better flexibility. Swap the A and B wires on the RS485 adapter
PZEM-017-v1/README.md at master · maxzerker/PZEM-017-v1 · GitHub. pzem-017 free download - SourceForge
To use the PZEM-017 software, you cannot plug the module directly into a computer. You need:
Tools → Manage Libraries → search for “PZEMPlus” → Install