51单片机基础驱动源码，有12864液晶和超声波收发源码及DS18B20温度传感器驱动源码等-51 SCM-based driver source code, there are 12864 LCD, and send and receive ultrasonic source and DS18B20 temperature sensor-driven source code, etc.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001127s ]
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:0.110726s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000984s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001295s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000938s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003110s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000853s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003693s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015894s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002422s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 174708 [ RunTime:0.018047s ]
