USB非接触式IC卡读写器，主要用于读写IC卡

KeilC开发,51通过8255对外部4*4键盘进行控制.按键分别为0-9以及上下左右,加上确认取消.-KeilC development through 8255 to 51 4* 4 external keyboard control. Keys were 0-9 and above and below, coupled with canceled.

C8051f340,本程序为PCA16位PWM输出例程-C8051f340, the procedures for PCA16-bit PWM output routines

包括单片机c8051f202x系列的datasheet，大家看一下 -Including single-chip c8051f202x series datasheet, a look at U.S.

128*64点 LCD及DS1302 应用-128* 64 points, LCD and DS1302 Application

AT89c2051控制9200b发双音频码用8870解码并将BCD码返回AT89C2051,然后比较的源代码和Hex文件。-AT89c2051 Two-control 9200b audio decoder yards with 8,870 and will return to BCD AT89C2051, then compare the source code and Hex documents.

用单片机的C语言编的键盘递增递减的C程序的源代码（按一下键，对应的键值增或减一），在很多领域用到此思想，如空调调温等，可供单片机开发工程师参考。-the MCU series of the C language keyboard incremental decrease in C program"s source code (by pushing a button, the corresponding increase or decrease of the pair a), used in many areas here thinking, such as air-conditioning thermostat, MCU development engineers for reference.

1602A字符型小液晶4线驱动程序 第一次修改整理：2007.06.25 第二次修改整理：2007.07.20 基于ICCAVR开发环境 -1602A small character LCD Driver 4-wire finishing first modified: 2007.06.25 finishing second revision: 2007.07.20-based development environment ICCAVR

本压缩文件主要介绍语音芯片ISD25120的使用方法，附有实用源代码，直接可以使用-This paper introduces the voice compression chip ISD25120 use with utility source code can be used directly

基于Freescale公司的8位单片机MC68HC908GP32，提供一些简单的实验仿真程序，以便初学者学习-Based on Freescale

51系列单片机开发：实验课程 显示程序（液晶显示）-51 Series MCU Development: Experiments show the curriculum process (liquid crystal display)