An older but still functional approach is to use the library, often combined with the LiquidCrystal_I2C library for local display. This method is documented in several example projects on GitHub and is a good choice if you only need basic readout functionality without the extra features of PZEMPlus.
Download the "PZEM-017-014-016" library from GitHub to write custom code. Essential Drivers
The is essential for unlocking the full capabilities of this DC meter. Whether you are using the official Windows GUI or a web-based interface, the software offers excellent visibility and control over your DC electrical system. Ensure you have the proper drivers, connect your RS485 converter correctly, and you will have reliable, real-time data monitoring.
This is one of the most complete and mature tools. It includes two Python scripts: one for reading data and one for changing device settings.
Open Windows and expand the Ports (COM & LPT) section. Note the assigned port number (e.g., COM3 ). Step 2: Wire the PZEM-017 Module Ensure all DC power is turned off before wiring.