根据两点经纬度计算距离

combobox更新的一个控件(update a combobox controls )

分簇协议的改进协议DEEC的matlab代码，绝对正确，大家可以下载试试，对学习WSN路由协议很有帮助。(Improved clustering protocol agreement DEEC matlab code, absolutely correct, you can download to try, to learn helpful WSN routing protocol.)

2ch 7seg thermoregulathor sch include, not avel power board AVR

load flow in redial distribution network

说明：  linux驱动开发基础资料，同时包括测试代码(Linux driver development infrastructure, including test code)

命名空间windowsformsapplication1

avr单片机，M16.三个按键，中间长按可以打开和关闭灯的闪烁控制。当打开后，当按左边键时，LED灯闪烁一次；当按中间键时，LED灯闪烁两次；当按右键时，LED灯闪烁三次。(avr microcontroller, M16 three keys, in the middle, long press to open and close the lights flashing control. When opened, press the left button, LED light flashes once When you press the middle button, the LED light flashes twice when right-click, the LED light flashes three times.)

网络编程，是以C#写的网页分析算法，基于VIPS思想-network programming is written in C# web analysis algorithms, based on the thinking foo

cc2530芯片GPIO的配置方法，LED驱动电路及开关LED的原理

说明：  在ubuntu16.04上模拟硬件lcd绘图显示， 用c语言使用绘图在lcd上显示(In Ubuntu 16.04, the hardware LCD drawing display is simulated, and in C language, the drawing is displayed on the LCD)