非常好的一篇文章,把RS485讲的蛮清楚的。
https://mp.weixin.qq.com/s?__biz=MzkzMzE5Nzk1MA==&mid=2247485051&idx=1&sn=0f4ddeb08460628cce6f923d1ff84ba5&chksm=c3de5fbb352b8501645e2b61f62afd2318d0fd8646db79355d7cace61a01830a0dc43e04c546&mpshare=1&srcid=1113YuaQilKtmFo39gcHCyZH&sharer_shareinfo=43d009b71461b6a8a6b96d1925a7e9c9&sharer_shareinfo_first=43d009b71461b6a8a6b96d1925a7e9c9&from=industrynews&scene=1&subscene=10000&sessionid=1732594846&clicktime=1732604150&enterid=1732604150&ascene=1&fasttmpl_type=0&fasttmpl_fullversion=7487041-zh_CN-zip&fasttmpl_flag=0&realreporttime=1732604150882&devicetype=android-35&version=4.1.31.6017&nettype=ctnet&abtest_cookie=AAACAA%3D%3D&lang=zh_CN&exportkey=n_ChQIAhIQYMd1vkPXQUviVVbsKR64sxLsAQIE97dBBAEAAAAAACvXKHpxLyIAAAAOpnltbLcz9gKNyK89dVj0DYjRatN0uB1xbrRfqpkJvCDehS2fNlbJJ02IEwqTRjQF0gqPpJduP9ZuokKHmiCGTUMWF097hvAeJezgcbUUScCzwZc5GSCdza0YbMutR5Ul40cyIV5Om8mRnnLOjw37pS7wHKYq%2FkFrs1Pzm0hRLMBzNNDr4rkFoLTnmetzC8v3tJin5A76chZogua0Ht78HmSyfpGfrhMkNdzmT4dy9WcVoXbaboiu3duMPiKGSyHMA0cqeAA3n3rOdmLxWakw57IO%2FTjZ&pass_ticket=UyLG0Qd8hX0cARPC6C9amq8r99PqHNu7764XnqDSvPFe4hL1JQtQYGDOKFXi1i4K&wx_header=3&platform=win&nwr_flag=1#wechat_redirect