pic16f877a单片机学习板的使用方法,内有原理图以及各试验程序,源代码实验内容丰富。由乾龙盛公司出品。-pic16f877a use MCU board to learn, containing schematics, as well as testing procedures, the source code for experiments with rich content. The company from a dry Longsheng Chu Pin.
文 件 列 表
c adc ds18b20 ee24 ee9346 lcd12864 lcd1602 rmt USART
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001279s ]
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:0.086973s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001117s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001869s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001128s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003617s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000994s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003234s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014536s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001296s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 212994 [ RunTime:0.001473s ]