是用AT89C2051主控音量控制PT2258,数码管显示, 红外线遥控,2.1/5.1音源选择)包括全套原理图,源程序,HEX文件-AT89C2051 is PT2258 master volume control, digital control, infra-red remote control, 2.1/5.1 sources choice), including a full set of schematics, source, the HEX file
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.006673s ]
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:0.086505s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002426s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001972s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002872s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.006395s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002506s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.006343s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.025177s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.003412s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 106490 [ RunTime:0.001520s ]
