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. He used that component to craft his own USB to RS-485 bridge .

The USB to serial adapter has a USB-A port on one end and a serial port on the other. ... Although RS232 is the most widely used, these adapters can also feature RS485 or RS422 serial interfaces.

USB to RS-485 Converter Module – Get to Work Now. After a short detour, we are now back in the mainstream! The following information will tell you how to use your USB to RS-485 converter module with ...

The RS-485 receiver, IC1a, is always enabled. It senses the Tx output of the PTP slave board, drives the timer (IC2), and enables the RS-485 transmitter (IC1b), which is typically in a quiescent ...

The USB to serial adapter has a USB-A port on one end and a serial port on the other. ... Although RS232 is the most widely used, these adapters can also feature RS485 or RS422 serial interfaces.