说明：  巡线小车程序：利用红外光电管检测黑线的位置，利用STC12C5A60S2进行模数转换，并显示在LCD1602上，进而调试和控制巡线小车。
(Line patrol car program: the use of infrared photoelectric position detecting black line, use STC12C5A60S2 analog to digital conversion, and displayed on the LCD1602, and then debug and control line patrol car.)