eagle circuit for MP3 expander

智能巡线绕障小车的设计，采用51单片机，超声波测距。-Impaired wound smart patrol car design, the use of 51 single-chip, ultrasonic ranging.

功能：arm7平台的I2c驱动程序，硬件I2C软件包，利用中断方式操作。 * 说明：主程序要配置好I2C总线接口(GPIO、总线时钟)

8通道自动温度检测系统仿真，包含源码，很好的学习资料-8-channel automatic temperature detection system simulation, including source code, a very good learning materials

stm32f103 cortex_m3 sd卡操作例程-stm32f103 cortex_m3sd card routine operation

系统下,地球坐标转换的源代码,在WGS-84坐标和北京54坐标之间的一套转换参数,可以全国通用的，在每个地方会不一样，因为它们是两个不同的椭球基准。 // WGS2GK.CPP : C++ version of Ottmar Labonde s WGSDHDN3.PAS with CPU time measurement // compile with MS Visual C++ version 6.0 or do the necessary modifications for your compiler // // Conversion of -system, the Earth coordinates conversion source code, the WGS-84 coordinates and coordinate between Beijing 54 set conversion parameters can be nationwide, in every place to be different, because they are two different ellipsoid benchmarks.// WGS2GK.CPP : C version of Silverstone Labonde s WGSDHDN3.PAS with CPU time measurement// compile with MS Visual C version 6.0 or do the necessary modifications for your compiler//// Conversion of

红外遥控解码程序，NEC标准均可用，已经可以在很多机种上得到应用-IR

基于MSP430的CO报警器的设计.有硬件电路,放大电路的分析,对做工业仪表人有帮助-MSP430-based CO alarm design. Have a hardware circuit, amplification circuit analysis, people have to help make industrial instrumentation

周立功的工程师 陈明计 对Small RTOS的移植代码-Zhou Chen, who include engineers on the transplant Small RTOS code

本原程序基于8051F020,目的是掌握点阵液晶显示器的原理，电路设计及编程方法-Based on the primitive procedures 8051F020, aim is to grasp the principle of dot-matrix liquid crystal displays, circuit design and programming method

这是一个msp430程序，是用于2个msp430f149单片机之间进行串口通信，程序已经调试好了，非常好用-This is a MSP430 procedure is used for two MSP430F149 single-chip serial communication between, the program has debug Well, very easy to use