本文只有程序，无电路图，是基于单片机控制的线性数字稳压电源-In this paper, only the procedures, no circuit diagram is based on the number of single-chip control of linear regulated power supply
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001335s ]
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:0.090371s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001234s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001960s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001245s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003639s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001143s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003352s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014641s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001671s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 165138 [ RunTime:0.001498s ]
