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zzzer442
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如題，掃碼槍掃到二維碼信號也是一串字母和數字連起來(lái)的數據。
皮五
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1樓  發(fā)表于: 47天前
引用
引用第4樓hyy2fa于2025-04-27 16:55發(fā)表的  :
加個(gè)232BD用RS指令就好，用屏通訊來(lái)讀應該更復雜！

用屏簡(jiǎn)單一些，一般屏有2個(gè)com口，1個(gè)232，1個(gè)485，正好1個(gè)接PLC，1個(gè)接掃碼槍?zhuān)ㄟ^(guò)觸摸屏中轉

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