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rs485.rar
SCM 458 bus on-site monitoring systems, procedures, and circuit schematics
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C/C++]
RS485.rar
c8051f040 microcontroller 485 to do the source code, for engineering.
Category:
Com Port Upload User:
wanghaiyan Size:
172K
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[
Visual C++ (VC++)]
RS485.rar
【实验题目】
RS-485双机通信
【实验目的】
掌握简单的RS-485通信。
【硬件接法】
详见电路原理图。
【实验步骤】
ISP下载开关扳到“00”,用Flash Magic软件下载程序文件“Send.hex”,暂时不要运行。
ISP下载开关扳到“10”,用Flash Magic软件下载程序文件“Receive.hex”,暂时不要运行。
关闭电源。
跳线JP1:485-DI接TXD,485-DO接RXD。
跳线JP5:485-DI接TXD,485-DO接RXD。 ...
Category:
SCM Upload User:
szylda Size:
35K
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C/C++]
RS485.rar
Microcontroller 485 to communicate with the PC-program, involving address lookup and frame transmission!