以lpc2119芯片为核心，通过AD端口读取电压值，经双CAN将值传送至CAN-USB转换器后传至上位机-To lpc2119 chip as the core, the port reads the voltage value through the AD, after the value of dual-CAN will be sent to the CAN-USB converter spread after the host computer
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001290s ]
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:0.087986s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001212s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001259s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003572s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001044s ]
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SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014593s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001320s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 162671 [ RunTime:0.001213s ]
