自动导引小车，包括PWM驱动，红外避障传感器驱动，测速传感器驱动。以及应用程序。 QT客户端，实现对小车的实时监控。-Automatic guided vehicles, including PWM driver, infrared obstacle avoidance sensor-driven, speed sensor driven. And applications. QT client to achieve real-time monitoring of the car.