I connected a lot of USB-RS485 adapters to my smart meter readout software and wasn't happy. Either the device is cheap and broken or works but is very expensive. The supercheap adaptors from China ...

When buying a USB to RS485 dongle be sure to buy one with an FTDI chip inside. The CP2102 and other chips have been found to not work well. Note: You must then stop OpenJVS running with sudo systemctl ...

Typically, he’d occupy some desk space and lay out an unwieldy combination of a USB-RS485 dongle, a PoE power injector, a PSU for that injector, and a few cables to join it all – being extra ...