4*4数字键盘输入温度极限值,DS18B20测温,数码管显示温度值,蜂鸣器和LED报警-4* 4 digital keyboard input temperature limit, DS18B20 temperature measurement, digital display temperature control, alarm buzzer and LED
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001365s ]
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:0.094242s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001247s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001058s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001363s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 186713 [ RunTime:0.001266s ]