出租车计价器的使用，可以使得出租车计费更清晰透明。该出租车计价器由51系列单片机、按键、LED数码管和光电信号采集部分组成。除具有基本路程计价的功能以外，该系统还具有等待计价的功能，能使出租车计价更合理。-The use of the meter taxi cab, can make more clear transparent billing. The meter taxi by 51 series microcontroller, buttons, LED digital signal acquisition and tube parts. Besides basic route, and the function of the pricing system also has the function of valuation, waiting for a taxi can make more reasonable valuation.