单，单，单

代码说明：

1、有单，和单双两种旋转模式。2、可以选择置数、和连续。两种控制模式。3、按梯形 曲线加速和减速。 4、所有的置数，及速度，都能通过数字显示。 -one, single, and both single-and double-rotation mode. 2, we can choose a few home, and continuous. Two control mode. 3, trapezoid curve acceleration and deceleration. 4, all the home number, and speed, can be settled through figures show.