dac

可以产生幅度、频率可调的方波，频率50hz到1M(Can produce the amplitude, frequency adjustable Fang Bo, frequency of 50Hz to 1M)

华中科大第八届的程序 拿了赛区的二等奖 关于飞思卡尔智能车电磁组(sensor group)

AD9858：频率从1M~120M输出可设置。通过测试。(AD9858: frequency from 1M ~ 120M output can be set. Pass the test.)

zigbee cc2530无线数据接受与发送，以外接传感器MQ-2酒精传感器为例，内置协议栈，直接下载就行，IAR版本为8.1(zigbee cc2530 wireless data accepted and sent to the external sensor MQ-2 alcohol sensor, for example, the built-in protocol stack, the direct download on the line)

MC9S12系列单片机的学习的资料，里面包括了其重要的技术模块及编程技巧，能帮助大家更好的了解和使用这款单片机(MC9S12 series MCU learning materials, including its important technical modules and programming skills, to help people better understand and use the single chip microcomputer )

Visual C++数据库编程与实例 pdf超高清电子版与原书光盘，非常不容易搞来的，福利来啦！200多M，只能分割，敬请见谅！主卷是VisualCDatabaseProgramAndExamples.zip，还需要下载12个分卷，此为第5分卷(Visual C++ database programming with examples pdf electronic version of ultra-high-definition optical disc with the original book, is not easy to engage in, and benefit coming! More than 200 M, only split, please forgive me!)

单片机开发使用总结(Summing up the development of the use of single-chip microcomputer)

MSP430F5529 MPU6050代码(MSP430F5529 MPU6050 code)

基于STM32F4的示波器的源代码，内部含有ucos-ii操作系统。(STM32F4 based oscilloscope source code contains an internal ucos-ii operating system.)

1664LED红外控制的定时器，可以通过遥控器远程控制时间的加减、暂停等功能。包括红外解码、红外码值处理(1664LED control program，which can be controled by both IR and keys。)