我想这意味着你必须将Tx线连接到Rx线。
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I suppose that means that you have to connect the Tx wire to the Rx wire.
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我想这意味着你必须将Tx线连接到Rx线。
请在询问之前先查询您的问题。如果有人回答您的问题，请在“接受为解决方案”标记该帖子。
如果你看到一个特别好的和信息丰富的帖子，考虑给它Kudos（左边的星）。
以上来自于谷歌翻译
以下为原文
I suppose that means that you have to connect the Tx wire to the Rx wire.
Please google your question before asking it.
If someone answers your question, mark the post with "Accept as solution". If you see a particularly good and informative post, consider giving it Kudos (the star on the left).
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