RS485的双向通信处，正在为此头疼的同学们可要注意了，这个可以解决你们双向通信过程中的很多问题哦-Two-way RS485 communications, the headache is to this end they' ll pay attention to the students, this two-way communication you can solve many problems in the course of oh

rs422协议的通讯程序.做一些简单改动即可以移植到各种环境。-rs422