The difference between RS232, RS485 and USB serial interfaces
RS232 and RS485 have always been the common interfaces of weak current. The two serial ports have a lot of basic knowledge, including electrical characteristics, mechanical characteristics, link layer, transmission control and other aspects, this article will compare two common interfaces from a simpler perspective and from the differences between the two sides. And from the current practical point of view, such as RS232 and RS485 conversion, and USB conversion, etc.
2021-01-21 2022-08-30