[André Sarmento] needed to connect a computer to an RS-485 bus. A simple converter can be sourced online, but the only thing he could find locally that was even close was a USB to RS-232 converter.

Here is a small board for my home development purposes. Able to download firmware through USB or ST-Link/V2 from discovery boards Can act as USB to rs-485 adapter Can act as USB/RS-485 thermometer Can ...

There several types of adaptor availiable. I have used several different types and they all worked fine. The most common are RS-485 USB adapters, which are also the easiest to work with or RS485-TTL ...