用户界面（或接口）是指：人与机器（或程序）之间交互作用的工具和方法。如键盘、 鼠标、跟踪球、话筒都可成为与计算机交换信息的接口。 图形用户界面（Graphical User Interfaces ，GUI）则是由窗口、光标、按键、菜单、文 字说明等对象（Objects）构成的一个用户界面 -User interface (or interface) refers to: Human and machine (or process) the interaction betwe

多功能小车，有超声波测距1602显示有超声波避障和跟踪人，又有红外循迹，还有18B20测温显示并能自动降温-Multi-purpose car, Ultrasonic Ranging 1602 ultrasonic obstacle avoidance and tracking people, there are infrared tracking, 18B20 temperature display and automatic cooling

STM32实现人脸跟踪，通过舵机控制摄像头跟踪人的脸，顶顶顶顶顶顶顶(STM32 realizes face tracking. The camera is controlled by the steering gear to track people's face)