用单片机模拟实现空调功能，用红外遥控进行控制，主要函数为比较读取的温度与设定温度之差，从而控制步进电机的转向。华中科技大学单片机课设题目-For air conditioning with single-chip analog functions, infrared remote control, the main function of the temperature and set temperature difference between comparative reading, the