: If you unplug the USB converter, Windows may assign a different COM port number when plugged back in. Check Device Manager again. 💻 Alternative Software Options
The factory software will not detect the module without the correct USB-to-serial driver. Most cheap USB-to-RS485 converters use the or FTDI chipset. CH340 Driver : Download from the official WCH website. FTDI Driver : Download from the official FTDI Chip website. 🚀 Step-by-Step Installation and Setup pzem-017 software download
Since the PZEM-017 communicates via Modbus RTU (usually through a USB-to-RS485 converter), you need a serial monitoring tool. A. Official Peacefair PZEM-017 PC Software : If you unplug the USB converter, Windows