利用5515和计算机实现RS232通讯,5515是否应该要接一个转换芯片,或者用USB转TTL串口线呢,谢谢!
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利用5515和计算机实现RS232通讯,5515是否应该要接一个转换芯片,或者用USB转TTL串口线呢,谢谢!