RS232与RS485区别
<p><img src="/upload/article/20231113/1699865992988756.png" title="1699865992988756.png" alt="image.png"/><img src="/upload/article/20231113/1699866016407632.png" title="1699866016407632.png" alt="image.png"/></p><p><img src="/upload/article/20231113/1699866373327326.png" title="1699866373327326.png" alt="image.png"/><img src="/upload/article/20231113/1699866377603230.png" title="1699866377603230.png" alt="image.png"/></p>
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