我自己用四小时做好的2009年天华杯单片机设计与开发大赛题型示例，带按键，数码显示，电机驱动和电机温度检测。完全满足题目要求。-I do a good job with the four-hour days of 2009 China Cup Microcontroller Design and Development Competition kinds of questions example, with buttons, digit