SQLite嵌入式数据库移植到注意arm_linux含

使用Atmel8L通过I2C通道与IRIC通信，检查IRIC是否正常工作

在裸板armsys2410上点亮一盏灯,为初学者提供一个简单便捷的开始-Armsys2410 on the bare boards lit a lamp to provide a simple and convenient for beginners start

CBM2090技术资料，硬件原理图，针脚说明，开发使用-CBM2090 technical information, hardware schematics, pin description, develop the use of

下面是一个超声波测距的程序，硬件电路由于电脑格盘已丢失，下面的代码是从样机上复制的。 硬件电路包括液晶显示、超声波的发射、超声波的接受、滤波、单片机处理。 液晶显示采用LCD1602模块，下面的代码里有液晶的驱动，可以拷贝用于它处。 超声波发射电路包括压电换能器及其支持电路，发射约44KHz的超声波。 超声波的接收电路包含一块CD40106处理芯片。技术指标大约是测距范围在三米左右，测量精度约在厘米级别。大量用于倒车雷达的测距中。-The following is a range of ultrasound procedures, the hardware circuit as a result of the computer grid plate has been lost, the following code is copied from the prototype. Hardware circuit including liquid crystal display, ultrasonic transmitter, ultrasonic acceptance filtering, single-chip processing. LCD1602 LCD module used, the following code, there are LCD drivers, you can use it to copy. Firing circuit including the piezoelectric ultrasonic transducer and its support circuitry, fired about 44KHz ultrasound. Ultrasonic receiver circuit includes a processing chip CD40106. Technical indicators for a range of about 3 meters range around the measurement precision level of about cm. Reversing a large number for the location of the radar.

c语言写的用于单片机mps430的底层通信协议，包含了bch编解码，交织编解码，和crc校验。经过简单的修改即可用于其他的单片机。-write for the MCU mps430 underlying communication protocol includes the BCH encoding and decoding, codecs are intertwined, and crc check. After a simple modifications can be used in other SCM.

实现求一个数N的阶乘，输入一个数检查是否合格，然后将其阶乘的结果输出-To achieve for the factorial of a number of N, type a number to check eligibility, and then output the results of factorial

卫星调谐器 DBS TUNER The TA1322FN is a wideband down-converter which can operate at input frequency ranging from 850 MHz to 2200 MHz. Intended primarily for use in satellite tuners, this IC includes an oscillator, a mixer, an IF amplifier and a PLL.-The TA1322FN is a wideband down-converter which can operate at input frequency ranging from 850 MHz to 2200 MHz. Intended primarily for use in satellite tuners, this IC includes an oscillator, a mixer, an IF amplifier and a PLL.

HT6221,PT2221红外编码遥控器处理模块VER1.0 作　者: David Wang Email: wy94081@sina.com.cn-HT6221, the PT2221 infrared remote control code processing module VER1.0 Author : David Wang Email : wy94081@sina.com.cn

基于s3c44b0的一个linux影像文件，可直接下载到s3c44b0板上运行-s3c44b0 a linux document imaging, can be downloaded directly to the board running s3c44b0

arm嵌入式系统lpc22**错误的喂狗产生中断源代码-arm embedded system lpc22** wrong喂狗generate an interrupt source