介绍了串口编程技术，RS485总线驱动模式和RS485串口驱动程序。 然后在此基础上设计和实现了SDM300远程控制模块和异步信道的通信模块。
Findally, we implement SDM300 remote control module and Async communication module on the basis of introducing technology of serial programming , RS485 bus driving mode and RS485 serial driver.
并且提出了基于计算机视觉技术与串口通信技术相结合的控制系统。
What's more put forward the control system based on the computer vision and the serial communications technique.
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