单片机的USB、232输出口的电路图

TP900掌机功能测试C源码大全（含开发头文件）-TP900 portable C source functional testing Guinness

详细讲述10种经典的软件滤波算法，很通用。适合初学者。-A detailed account of the 10 kinds of classic software filtering algorithm, it is common. Suitable for beginners.

简易信号发生器：有原理图，仿真图，C程序，功能比较齐全-Simple Signal Generator: A schematic diagram, simulation plans, C procedures, functions relatively complete

本文作者采用AT89C2051单片机和温度传感器DS18B20从硬件和软件两方面介绍了一款简易数字温度计的设计过程，  并对硬件原理图和程序流程图作了简洁的描述。数字温度计与传统的温度计相比，具有读数方便，测温范围广，测温准确，其输出温度采用数字显示，主要用于对测温比较准确的场所。-The author of this article using AT89C2051 MCU and temperature sensor DS18B20 from both hardware and software, introduced a simple digital thermometer of the design process, and schematic diagram of hardware and procedures were concise description of flow chart. Digital thermometer with a traditional thermometer, compared with a reading of convenience, a wide range of temperature measurement, temperature measurement accuracy, the output of the temperature digital display, mainly used for more accurate temperature measurement sites.

条形电子屏的原理图，使用PROTEL99SE设计的。-strip electronic screen diagram, the use of PROTEL99SE design.

在c51下液晶显示块12232的编程实例-C51 under the liquid crystal display in the 12232 block of programming examples

我编写的基于spce061a的语音播报电子钟,利用sunplus开发板，可以设置时间和定闹 陈谭 2004 -I prepared based on the voice broadcast spce061a electronic bell, using sunplus development boards can set time and set downtown Chen Tan 2004

ARM7 lpc2148通过DS18B20温度采集并通过1602显示-ARM7 lpc2148 through DS18B20 temperature acquisition and through 1602 show

一个简单的利用查表法的反正切和正、余弦函数，在处理速度不快的单片机编程中，这是一个使用的方法。-The use of a simple arctangent look-up table method and positive, cosine function, the processing speed of microcontroller programming unpleasant, this is a method used.

使用IAR编写的DS1302时钟芯片驱动和4*4矩阵按键的扫描函数，可以使用按键设置时间，采用msp430f149单片机-IAR prepared using DS1302 clock chip driver and 4* 4 matrix keypad scanning function, you can use the keys setup time, using MSP430F149 single-chip microcomputer