基于单片机的纸张计数器设计

The Design of Paper Calculator Based on Single-chip Microcomputer

本自动化检测打印机的纸张数量的系统专利设计,能够实现打印机纸张的密码保护、记忆功能、统计总纸张数(累加)等功能。设计的系统包括单片机、光电传感器、时钟芯片、LCD液晶显示等。软件编程采用C语言来编写,软件设计主要包括时钟、显示、检测计数以及密码设置等部分。

This paper introduces a patent design of a system automatically testing the paper number of a print- er, which can perform the functions of password protection of printer paper, memory and counting the total pa- per number, etc. The designing system includes a single-chip microcomputer, photoelectric sensors, clock chip, LCD, etc. Software programming is written in C language. And the software design mainly consists of the following four parts： clock, display, detecting and counting, and password setting.