说明：  智能小车循迹寻光程序，根据全国大学生电子设计大赛题目而做，检测到C点挺5秒，检测到车库黑线自动停止，显示跑到铁块数目，路程，集时间和速度
(Intelligent Vehicle Tracking Xun-ray procedures, according to the National Undergraduate Electronic Design Contest topic done to detect the C-point quite 5 seconds, to detect the garage black line automatic cut-off, indicating iron went to the number of distance, set time and speed)