本系统提供了一种利用MSP430F149单片机来分析处理由三轴加速度传感器ADXL345采集的人体摔倒时三个方向的加速度变化信号，从而第一时间通知家人救助的设计方案。%This system provides a design of analyzing and dealing with the acceleration signal change collected by the three-axis acceleration sensor ADXL345from three directions by using MSP430F149 microcontroller when human falling down in order to notify the family for relief in the first time.
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