对利用595串行实现IO口扩展，本程序仅用3个IO口扩展到6个数码管...

在1602上显示时间计时，已经测试，好用-Display time in the 1602 time has been tested, easy to use

液晶显示器以其微功耗、体积小、显示内容丰富、超薄轻巧的诸多优点，在袖珍式仪表和低功耗应用系统中得到越来越广泛的应用。 这里介绍的字符型液晶模块是一种用5x7点阵图形来显示字符的液晶显示器，根据显示的容量可以分为1行16个字、2行16个字、2行20个字等等，这里以常用的2行16个字的1602液晶模块来介绍它的编程方法。 -LCD display with its micro-power consumption, small size, display rich content, ultra-thin lightweight many advantages, in the pocket instrumentation and low-power applications are more and more widely. Here introduce the character LCD module is a 5x7 matrix used to display graphics characters liquid crystal display, according to show that the capacity of one line can be divided into 16 characters, 2 lines 16 characters, 2 lines 20 characters and so on, here commonly used 2 lines 16 characters LCD module to the 1602 introduction of its programming method.

18B20程序，用C语言编写，代码结构清晰，语言简练，供新手学习。-18B20 procedure, using C language, code structure clear, concise language for the novice to learn.

用C8051F020编写的RA8803控制器320240液晶程序-C8051F020 prepared with RA8803 LCD controller 320,240 procedures

PIC单片机子程序大全,好东西，里面程序不少，可以节省很多时间。-PIC subroutine Daquan, good things, a lot of procedures they can save a lot of time.

最好的字模工具，完全免费，单片机开发必备-The best matrix tools, completely free, microcontroller development of essential

m16连接以ks0108为控制芯片的12864显示器驱动-m16 connection to ks0108 to control the display driver chips, 12864

Tai lieu mo phong AVR. co the tham khao mot so thong tin de ung dung duoc.

详细讲述单片机中SPI接口以及串行接口的原理和编程方法，很有价值-detail microcontroller interface and SPI serial interface and programming method and of great value

vetess交换机管理软件，支持CLI管理，WEB管理，SNMP等各种常用管理功能-vetess switch management software, supports CLI management, Web management, SNMP management and other commonly used functions