光敏传感器智能寻光小车的设计与制作

该设计以STC89C52系列单片机为核心芯片,利用光敏传感器实时接收外界环境光强变化,由单片机感应出信号灯位置,并自动控制小车前往信号灯处。同时该设计带有超声波模块,实时检测小车与前方障碍物的距离,防止小车在行驶过程中与障碍物相撞。该设计采用PWM波形控制电机转速,从而精确控制小车4个电机的转速,在程序中利用相应算法判断小车当前状态,并发出相应指令来控制各个电机的转速。利用Altuim designer软件设计电路板,并用Keil uVision4软件编写程序完成自主设计。

Based on STC89C52 series single-chip and photosensitive sensor,the intelligent vehicle can sense the direction of signal light and drive towards to it.Moreover,the car can prevent itself from crashing the barrier by using an ultrasonic module.Motors are controlled by the PWM wave function.This design can judge the state of the car and send the corresponding instructions to control the car.Last but not least,the circuit wafers was designed by Altuim designer and the program was designed by Keil uVision4.

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