3、语言非常有帮助。对keil软件很好地把握对我们编写C语言大有裨益。其中设计的硬件部分是由单片机、电路板、LCD显示、霍尔传感器等组成。对这些元件的焊接需要有良好的焊接功底,通过这次的焊接对我们焊接的技术有一个很好地锻炼。是我们对于元件的焊接有了一定的了解。对我们日后的学习以及工作都很有帮助。关键词:电阻;单片机;传感器;LCD显示。VAbstractWiththedevelopmentofthetimes, moreand more thenumber ofmotervehicles,drivingforceis dueto thecombustionofgasoline a
4、nd gasoline,direct emissionsofcarbondioxideandother harmfulgasesintotheair, causingair pollutionisbecomingmoreandmoreserious,theairwebreathe inthepoisonous.Inordertoreduce theemissionoftoxicgasesandmadeourair alittle fresh,especially in caseof need not,peopleuse toreduce motorvehicle.Thebic