在小车前端安装4对光电对管做传感器，在地上用黑胶带贴出田字格，小车就能按照预先设定转弯，前进，停止。本文用的是AT89S52单片机-Front-end installed in the car 4 on the photoelectric sensor on the tube to do, put tape on the ground with black swastika grid, the car will be able to turn in accordance with pre-set, forward, stop. In this paper, the AT89S52 microcontroller