【摘要】 利用PIC16C5 7单片机为主控制器 ,设计并制作出微型地图里程测量仪。该测量仪可方便地在地图上测量出两地间通过某一道路的里程。分析了该测量仪的结构和软硬件的组成、特征及其工作原理 ,介绍它的性能指标。更多还原

【Abstract】 The instrument of measuring the mileage of map has b ee n developed based on PIC microcontroller. It can measure the mileage of the cour se of the two points of map. The control mode, structure, hardware circuit and s oftware of this instrument have been introduced. It has the characteristics of h igh performance, low cost and easy to be used.更多还原