外部计数+显示程序
功能： 单片机外部输入脉冲信号，定时器参与计数 计数值由数码管显示出来。-External count+ display program features: MCU external input pulse signal, the timer counts involved in counting by the digital tube display.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001139s ]
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:0.067633s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000935s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001169s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000917s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003104s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000794s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003692s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014144s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.000996s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 179117 [ RunTime:0.015340s ]
