很好地，希望大家都来看看，关于RS－485方面的知识和串口方面的。

很好地，希望大家都来看看，关于RS－485方面的知识和串口方面的。以及一些实用软件-good, we all hope to see, on the RS-485 and the knowledge of the serial port. And some utility software

RS-485双机通信 RS-485双机通信--experimental three RS-485-machine communication experiment three RS-485- Communication experiment three RS-485-machine comm unication

在要求通信距离为几十米到上千米时，广泛采用RS-485串行总线标准。RS-485采用平衡发送和差分接收，因此具有抑制共模干扰的能力。-Requiring communication distance of tens of meters to 1000 meters, it is widely used RS-485 serial bus standard. RS-485 balanced differential transmit and receive, so it has the abili