共有七种不同的PWM脉冲控制不同的马达振动方式，两个按键，一个控制开启及模式选择，另一个控制关闭，使系统进入省电模式-A total of seven different PWM-pulse control of different modes of vibration of the motor, two buttons, a control to open and the mode selection, and the other controls off, allowing the system to enter power-saving mode