利用单片机做的编码器输出值LED显示程序，用MAX7219驱动七段数码管，完成二‘十’十六进制的切换显示。-Does the use of single-chip encoder output LED display program with Seven-Segment LED Driver MAX7219, completion of the second
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001934s ]
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:0.083074s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002043s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001978s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003522s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001798s ]
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SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014107s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002147s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 128709 [ RunTime:0.001010s ]
