步进电机驱动器说明书，可以用来帮助使用单片机和plc驱动步进电机
Stepper motor drive instructions, you can use a single-chip or PLC to drive (2017-04-14, SQL, 744KB, 下载9次)
主要是实验指导书，有触发器之类，还有部分的SQL语句。十分的安逸啊
Guide book is mainly experimental, there are flip-flops like, as well as part of the SQL statement. Ah very easy (2009-06-25, SQL, 95KB, 下载1次)