IC领域的时序图作图软件，简单方便，英文版，无需注册，已经破解,IC timing diagram mapping the field of software, simple English, are not required to register, has been cracked

关于步进电机控制物体的定位与简单的作图，是步进电机的基础与延伸-Stepper motor control on the positioning of objects with a simple drawing is the basis of stepper motor and an extension of