求翻译：详细介绍了基于霍尔传感器和单片机的汽车测速系统。实现了汽车速度即时显示。并可通过控制三个按键调整超速范围。同时加入了超速声光报警功能，使之更加人性化。充分发挥了单片机的性能。同时还提供了具体的硬件电路图、元器件选用说明、基于C语言的有关程序框图及软件程序设计。并在Proteus环境下进行仿真和开发调试。是什么意思？

Details of the vehicle speed measurement system based on Hall sensor and microcontroller. Achieve the real-time display of the speed of the car. Speeding range can be adjusted by controlling the three keys. While adding the speed of sound and light alarm function, to make it more user-friendly. Give

Based on detailed information on the Hall sensor and single-chip machine gun the motor system. For the car speed Instant display. And through the Control 3 buttons to adjust the range. While speeding to the Sound and Light Alarm function and make it more personalized. A full single-chip performance.

Introduced in detail measures the fast system based on the Hall sensor and the monolithic integrated circuit automobile.Has realized the automobile speed immediate demonstration.And may through control three pressed key adjustment overspeed scope.Simultaneously joined the overspeed acousto-optics to

Details based on Hall sensor and vehicle speed measurement system of single-chip microcomputer. For auto speed-instant display. And adjust the speed range can be controlled by three buttons. While adding the speed of sound and light alarm function, make it more humane. Give full play to the performa

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