步进电机的控制程序，有四个键来控制：调零键，加角度键，减角度键，运行键。通加减角度达到需要的角度，按运行即可转到需要的角度。单片机是stc89c52-Stepper motor control program, there are four keys to control: zero key, plus the angle button, reducing the angle button, run key. Achieve the required angle through the angle of plus or minus, according to the angle of operation needs to go. SCM is stc89c52