modbus485通信协议的C程序，修订，已被用于研究。

硬盘控制电路以及原程序Demo,知识是属于全人类的。能将自己的成果无条件与人共享是伟大和受人尊敬的，同时也是一件幸福的事。 由于我想得到幸福和受人尊敬，所以我也开放我的工作成果。（其实也不算什么工作成果，匆匆忙忙用了一晚写的，见笑了。 在此感谢邵春伟同志，我在研究ata协议的时候参考了他写的程序） -drive control circuit and the original procedure Demo, knowledge is the whole of mankind. The results can unconditionally with the people sharing is great and respected, but also a happy thing. I want happiness and well respected, so I open my work. (What is not a work haste spent a night writing, a laughing stock. This would SHAO Chun-wai comrades, I studied ATA agreement for the reference to the writing process)

在Protues仿真利用PWN控制直流电机-OWN Protues simulation in the use of DC motor control

无线传感器网络低占空比MAC协议研究 介绍MAC协议-mac protocol

悠景2.7寸OLED演示代码，可以在DEMO板上测试-Univision 2.7-inch OLED demo code, you can test at the DEMO board

串口通讯 实现F330串口初始化.对看门狗,等的设置 以及检测单片机的各管脚的好坏-Serial communication serial port initialization realize F330. Of watchdog, and other settings as well as the detection of single-chip microcomputer of the pin and the bad

基于AVR单片机的电池容量显示 开发环境 I-Based on the AVR MCU development environment battery capacity display I

Proteus的数码管仿真电路，希望对大家有点用，入门级的。-Proteus simulation of the digital control circuit, in the hope that we are a bit used, entry-level.

对于有想自己DIY mp3的同志们要注意了，参考参考别人的设计思想也是有必要的，希望这张原理图对大家有帮助！-for a DIY mp3 to their comrades to attention, others refer to the reference design is also necessary, I hope this diagram to help you!

FAT32文件系统在51单片机上实现，CPU类型是sst89c58-FAT32 file system in the 51 SCM to achieve, CPU type is SST89C58

WG12864驱动程序 模块已经定义好 直接调用就可-WG12864 driver module has been good definition can be called directly