直流电机驱动芯片采用Ｌ２９８．支流电机驱动就是利用ＰＷＭ脉宽控制Ｌ２９８电流输出大小，从而达到控制电机的目的-Motor Driver IC using L298. Tributaries is the use of motor-driven PWM pulse width control L298 current output size, so as to achieve the purpose of the electrical control
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001492s ]
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:0.109889s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000954s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001265s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001123s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003199s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001022s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003833s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.021693s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001631s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 154829 [ RunTime:0.017647s ]
