实现普通的出租车计费功能，以单片机AT89S52为核心，以储存芯片AT24C02和霍尔传感器为外围设备的新型出租车计价器系统。该系统具有计费、计时、存储、统计等多种计量功能，系统能够进行单价和时钟的调整，自动地切换不同时间的收费标准。-Achieve common taxi billing features to the core MCU AT89S52, AT24C02 chip to store peripherals and Hall sensors for the new taxi meter system. The system has the billing, timing, storage, statistics and other measurement functions, the system unit and the clock can be adjusted, automatically switch to a different time of the charges.