微机接口实验中典型的步进电机实验的课程设计，里面有实验原理，源程序，实验结果等。-Computer Interface Experiment typical stepper motor experimental curriculum design, there are experimental principle, source code, experimental results.

微机原理和接口技术中典型实验--跑马灯。此文档中包含简易跑马灯的课程设计！-Microcomputer Principle and Interface Technology in a typical experiment- marquees. This document contains the curriculum design simple Marquee!