keil 4 和proteus仿真， 利用T0中断 实现1s定时,-keil 4 and proteus simulation, using the timer T0 interrupt achieve 1s,

利用51系列单片机实现四相八拍步进电机的转动。内含keil 4编程和proteus仿真 -Using the 51 Series MCU eight four-phase stepper motor rotation shot. Embedded programming and simulation proteus keil 4

keil编写hex文件使单片机控制电机转动，驱动端口为P3^4-Keil SCM with HEX file control the preparation of motor rotation.