1.利用PWM控制占空比实现LED的亮暗。
2.可以用UP DOWM键进行控制亮暗。
-1. The use of PWM duty cycle control to achieve the bright LED dark. 2. Can be used to control button UP DOWM bright dark.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002201s ]
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:0.088348s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002403s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001945s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002232s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003830s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002014s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003365s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.019076s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002589s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 111733 [ RunTime:0.001226s ]
