C51单片机控制步进电机的程序，可以控制步进电机加速减速以及匀速运行。-C51 single-chip stepper motor control program, you can control the stepper motor acceleration and deceleration and constant speed operation.

控制步进电机程序，正反转控制和PID程序控制，等等、(Control of positive and reverse of step motor and PID control)