这是我画的步进电机通用的驱动板，当然只是应用到初学者，版胡德不是很好，希望大家多多指教。

51单片机的课件，对初学者或者是自学者很有帮助，请大家多多指教-51 single courseware, useful for beginners or self-learners, please exhibitions

12864常用源码，请大家多多指教，共同学习，学习单片机起步较晚，初学者一个-12864 commonly used source code, please exhibitions, common learning, learning microcontroller started late, a beginner