通过了硬件调试,用89c51控制18b20采集温度。而且还是简单易懂的c语言-Hardware through the debugging, use 18b20 Acquisition 89c51 temperature control. It is also easy-to-understand language c
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001332s ]
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:0.092271s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001289s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001313s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003716s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001111s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003357s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015213s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001451s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 193299 [ RunTime:0.001185s ]