串口RS232 和RS485 是两种不同的串行通信接口标准，它们有以下几方面的区别： RS232 接口通常以 9 个引脚 (DB9) 或 25 个引脚 (DB25) 的形式出现，而 RS485 接口没有具体的物理形状，可以根据实际情况采用不同的接口。

[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 name might remind you of RS232, and that’s because both RS232 and RS485 are standards that come from EIA (Electronics Industries Alliance). It also might remind you of RS422, if you’ve ...

Queclink, a global leader in IoT solutions, is proud to announce the official launch of the WR310 Series, the next-generation ...