基于凌阳单片机SPCE061A的最基本的小车。控制两个直流电机，并实现按键功能。Key1前进，Key2后退，Key3停止。对初学者比较有用，请参考。有什么不对的地方还请指正，谢谢。-Based on Sunplus SPCE061A the most basic car. Control two DC motors, and to achieve key functions. Forward Key1, Key2 back, Key3 stop. More useful for beginner