A/D转换，转换结果用液晶显示出来，液晶是OCMJX12864。显示的结果是数字量。使用的是ADC0809。（有原理图）-A/D conversion, conversion results liquid crystal display, LCD is OCMJX12864. The result is digital displays. Are using the ADC0809. (With schematic diagram)
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002051s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.089159s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002212s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002138s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002565s ]
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