Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you may not be able to execute some actions.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
怎么在识别不同种类的物品以后,实现步进电机旋转到对应的角度呢?旋转结束然后还会回到原来的位置呢?