USB2

ti公司电弧检测板原理图及使用说明，主要利用时频域特征检测电弧(TI company arc detection board schematic and instructions for use)

将hex文件发送给单片机，串口发送，快速方便，用于stm32(Hex file to the SCM serial, send, quickly and easily, for STM32)

Delta servo drive a new generation of hardware ASDA-B2 manual programming is an electrical engineer hardware reference manual,

cc2530zigbee芯片英文资料，数据手册(cc2530zigbee chip information in English, Data Sheet)

STC15单片机应用角度传感器MMA7361L调试程序(STC15 SCM application debugger angle sensor MMA7361L)

基于STC89C51RC的水平倾角XYZ检测仪(Horizontal dip XYZ detector STC89C51RC)

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!)

智能电网综述。提出新的概念和研究方法。及其对目前传统电网的颠覆。(smart power grids。)

基于单片机的可燃气体报警器，反应灵敏，报警及时(Based on the single-chip microcomputer combustible gas alarm, sensitive, timely alarm.)

4X4点阵键盘+1602液晶显示做的计算器（AVR单片机）(4X4 matrix keyboard 1602 LCD calculator to do (AVR microcontroller))