这是我自己做的１６０２液晶，包括ＰＲＯＴＵＥＳ原理图，希望对大家有用。-This is the 1602 will take a matrix liquid crystal software, you can remove the character encoding, want to be useful at home.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002313s ]
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:0.093589s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001956s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002116s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002422s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003763s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002120s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003443s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014617s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002278s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 250397 [ RunTime:0.001191s ]
