说明：  利用提供的小车车模及相关外围器件、模块，掌握控制小车转动方法，设计msp430g2553单片机与小车的连接，编程控制小车运动，包括前进、后退、左转、右转等基本功能，并实现手机对小车的遥控。
(Using the provided car model and related peripheral devices and modules, master the method of controlling the car rotation,design the connection between msp430g2553 single chip microcomputer and the car,program and control the car movement,including forward,backward,left,right and other basic functions,and realize the remote control of the car by mobile phone.)