步进电机正反转及调速控制，本代码为步进电机的控制程序代码，包括汇编代码和C代码-Positive inversion and speed control of stepper motor, the code for stepper motor control program code, including assembly code and C code

基于ATMAL89C52的四相步进电机的控制，需安装Keil打开工程-Based ATMAL89C52 four-phase stepper motor control, open the project to be installed Keil

步进电机控制程序，非常易懂易学，特别适合初学者。(Step motor control program)