用串口实现单片机和带键盘的显示屏之间的通信，包含包头包尾。-By serial single-chip implementation of the display and keyboard with communication between the packet contains the end of Baotou.
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001827s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001597s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001871s ]
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