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  RS232\u8f93\u51fa\u7535\u5e73<\/h3>\n

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  • \u5c06TTL\u8f93\u5165\u7684\u4f4e\u7535\u5e73\u4fe1\u53f7\u8f6c\u6362\u4e3aRS232\u8f93\u51fa\u7684\u9ad8\u7535\u5e73\u4fe1\u53f7\uff1b<\/li>\n
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    TTL\u8f6c232\u82af\u7247\u7684\u5e94\u7528<\/h2>\n

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