ARM2131的程序模块，为新学习ＡＲＭ新程序学习使用；

通用的餐饮收费系统:其主要技术是通过计算机串口与IC卡相关设备进行数据交互.-Common food and beverage charges system: Its main technology is the computer serial port and IC card relevant equipment data exchange.

可以测试0~25V的直流电压，有软件滤波，和小数点自动进位功能.-Can test the 0 ~ 25V DC voltage, a software filter, and the decimal point automatic feed-bit functionality.

485通讯网络设计的相关知识及如何降低网络功耗-485 communication network design-related knowledge and how to reduce network power consumption

AT89S51资料，中文版的，很利于大家学习-AT89S51 information, the Chinese version, it is beneficial to them to learn from

C51 用PCA 模拟串口，很有参考价值得源码-C51 with PCA serial analog, a valuable source

LCM 12864 LCD图形显示程序例子 在LCD上显示一幅图，是“我的电脑，我的文档”。IC用PIC16F877A，晶振 4MHZ，采用并行8线，LCD：TS12864-3，接法在程序中有定义，只要将此程序COPY到你的PICC里编译下载后，在目标板上即可以看到图画了！-LCM 12864 LCD graphics display program examples in the LCD display a map, is the

自编的C51串口通讯程序，在AT89C51上测试运行OK，用22.1M晶振最高可跑115KBPS-directed the C51 serial communications procedures, the AT89C51 OK on the test run, with a maximum 22.1M crystal run 115KBPS

具有多重功能的Ｃ程序，用于倒计时使用。 人行，车行自动识别．-Multi-function C procedures for the use of the countdown. People

TONG GUO TONG GUOT-Nov. 81st Nov. GUOT

液晶驱动C程序,SSD1783芯片,液晶型号1760B0-LCD-driven C program, SSD1783 chips, liquid crystal models 1760B0