[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.

The USB to serial adapter has a USB-A port ... Although RS232 is the most widely used, these adapters can also feature RS485 or RS422 serial interfaces. They include a chip that allows computers ...

In this post we will learn how to work with a compact USB to RS-485 Converter Module. This adapter is very useful in DMX and industrial electronics projects. Let’s get started! USB to RS-485 Converter ...

The adapter circuit consists of two devices (Fig. 1). 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 ...