说明：  此份资料中包含完整的两个课题的源代码。一个云台控制，一个自动门。两者都是关于步进电机的控制，相当于两份毕业设计。源代码经过调试，可用。
(These data include the full source code for the two subjects. A PTZ control, an automatic door. Both on the control of stepper motor, the equivalent of two Graduation. After debugging the source code can be used.)