4442逻辑加密IC卡读写底层C51程序，

这是一个单片机键盘响应程序，主要用于单片机设计中对键盘的编程，使得单片机能够显示键盘的按键-This is a microcontroller keyboard response procedures, mainly for the design of single-chip microcomputer keyboard programming, SCM makes the keyboard can display buttons

用单片机构成高精度PWM式12位DA，网上下的，很实用。-with high accuracy microprocessor PWM 12 DA, the Internet and practical.

PC机和智能型仪表通过RS485进行同步通信-PC and intelligent instrument for synchronous communication through the RS485

基于LM3S3748的3.2TFT手写板程序-The LM3S3748-based tablet program 3.2TFT

介绍了如何设计射频电路中的S参数，资料非常详细，有例子，不过是英文版的-Describes how to design RF circuits in the S parameter, information is very detailed, has examples, but the English version of

该程序能捕捉到单片机发出的正确信号，并显示出来

YEKA手机数据线驱动pl-2303hx drv-clubs mobile data line drive pl-2303hx Drv

一个用单片机控制TC35I发短信的例子，同时可以将接收到的UNICODE码转换为HZK16,对初次开发短信的网友会有帮助-TC35i used to control a single-chip message-fat example, at the same time can be received is converted to UNICODE code HZK16, the initial development of the message users will be helpful

keil下ISO7816规则的APDU程序-keil rules under ISO7816 procedures Application Protocol Data Unit

protues仿真！单片机仿真的源代码-protues