Abstract A new intelligent milometer base on a microcontroller can count the sum. By taking full use of the processor 89s51 and E² PROM (AT24C02) and sensor of magnetism, it can count the sum of fully distance and the course of development.

12864 LCD液晶显示屏的驱动，点阵液晶屏。-12864 LCD driver prom

this a simple program to make a little calculo,the calculo is about prom, with 5 califications and give us the result-this is a simple program to make a little calculo,the calculo is about prom, with 5 califications and give us the result