L298N控制步进电机正反转程序，单片机采用凌阳SPCE061A，连接方式请按程序注释连接，工程可下载直接使用。-L298N positive procedural step motor control, microcontroller using Sunplus SPCE061A, connection, please connect the Notes in accordance with the procedure, the project can be downloaded directly used.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001186s ]
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:0.064504s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001546s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001885s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001481s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005623s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001411s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.005907s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.021005s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001631s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 251879 [ RunTime:0.015630s ]
