单片机C8051F221读取DS18B20温度值，温度显示在液晶屏屏LCM046上，单片机根据温度值来控制风扇的关和开。-C8051F221 Singlechip DS18B20 read temperature value, temperature displayed on the LCD screen LCM046, the single-chip microcomputer according to the temperature value to control the fan and open relationship.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001275s ]
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:0.088889s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001206s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001021s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001477s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 111827 [ RunTime:0.001402s ]
