s3c2410平台 直流电机有用的demo！大家共享-s3c2410 platform Motor useful demo! Share

直流电机驱动测试以及8字数码管的转速显示，转速不同时在8字数码管里显示对应的速度。-DC motor drive testing and 8 character LED display of speed, speed is not the same speed display the corresponding word in eight digital tube.