用两个步进电机，中间的绳索拉动重物，可以通过51控制其运行轨迹，譬如：圆，直线，矩形，并能实时显示重物坐标。-With two stepper motors, the middle Shengsuo La moving heavy objects, you can run 51 to control its trajectory, such as: round, linear, rectangular, and can coordinate real-time display weights.

基于msp430的三轴陀螺仪mma7361系列和超声波ks103的加速度、角速度和相对距离测试，用于轨迹跟踪和定位方面，测试数据在lcd12864上显示，通过串口通信传输到远方用。-Three-axis gyroscope based on msp430 series mma7361 and ultrasonic ks103 acceleration, angular velocity and relative distance test, used for trajectory trackin