智能避障小车实现的是在指定的路线内躲避障碍物，在跑道上跑圈，并用超声波模块测算与前车的距离，通过1602液晶显示模块显示-Intelligent obstacle avoidance trolley to achieve is to the in the as the designated routes is within the to avoid the obstacle, on the runway on the counting laps in, and use the ultrasoni