电子车速里程表的单片机实现方案

Electronic Speed Odometer Controlled by Single-chip Microcomputer

介绍了一个基于单片机的电子式转速里程表实现方案 ,讨论了里程计数的原理和转速指示原理 ,给出了用单片机AT89C2051和LM1819驱动器设计的汽车转速里程表的具体电路原理图。

Anelectronicspeedodometercontrolledbysingle-chipmicrocomputerispresented.The controlprinciˉple of the odometry and the speed indication are discussed.The schematic circuit about AT89C2051and LM1819is given in detail in this paper.