L
leilarazavi2000
Guest
大家好,我想单片机连接外部的PC调制解调器标准。 1,是否有任何主题或链接或类似的项目? 2 - 我认为可以检测到一个外部调制解调器忙线.....没有答案.......拨号音....它可以通过RS232 COM端口报告给MCU它。是真的吗?
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