该word文档为2011年电赛自由摆系统设计报告，基于msp430f149为平台开发，利用mma7361加速度传感器测试电压继而计算出角度-The word document for the 2011 CEC freedom pendulum system design report, msp430f149 as a platform based on the development, utilization mma7361 acceleration sensor test voltage and then calculate the angle