ARM的gpio口操作控制步进电机，可以修改转动角度、速度。-ARM' s GPIO port operation of stepper motor control, can modify the rotation angle and speed.

As an essential branch of context awareness, activity awareness, especially daily activity monitoring and fall detection, is important to healthcare for the elderly and patients with chronic diseases. In this paper, a framework for activity awa

STM32准确采集MPU6050返回的角度值和角加速，可通过上位机显示-STM32 accurate collection MPU6050 return value of the angle and angular acceleration can be displayed through the PC