舵机控制程序，舵机的控制信号为周期是20ms的PWM信号，其中高电平持续时间0.5到2.5ms。-steering control procedure, the servo control signal is 20ms cycle of the PWM signal. margin which lasted 0.5 to 2.5ms.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002474s ]
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:0.136768s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002228s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002626s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002702s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003871s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002146s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003253s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015730s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002525s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 154938 [ RunTime:0.001229s ]
