produce their own circuit JTAG tools, the Internet

生成多项式的最高位必须是1。例如：CRC-CCITT标准的16位生成多项式：g（x）= x16+x12+x1+1；阶数r = 16 即：0x11021.最高位通常为1。-Generating polynomial must be the highest one. For example: CRC-CCITT standard 16-bit generation polynomial: g (x) = x16+ X12+ X1+ 1 order of r = 16 that is: 0x11021. Highest one usually.

用OV7720制作摄像头的详细电路原理图 ，以及初始化代码，使用范例。-OV7720 camera with the production of a detailed circuit schematic diagram, as well as initialization code, the use of examples.

红外遥控接收参考程序-infrared remote control receiver reference program

fft 变换C程序 不错的-fft transform good C program

在STM32中进行数据擦出和书写，为程序调试存储数据提供了方便。这个个过程中熟悉，地址的强制转换，STM32单片机的IO口操作，还有Flash 的一些操作，对于初学者来说还是比较合适的。

基于ARM9的LINUX下的按键驱动程序，代码中有详细的注释，对于在此基础之上的二次开发或者是直接调用都非常方便！-ARM9 based LINUX keys under the driver, a detailed code of the Notes for the foundation of the second development is a direct call or very convenient!

华为的内部资料，分享-Huawei

RTOS 51代码-RTOS code

简单的源代码写在codevisionavr显示如何驱动键盘和模拟proteus。

motor speed by pwm this depon on that the pwm has t on and t off and t ther is a duty cycle that = ton / t this vary the average voltage across the motor-motor speed by pwm this depon on that the pwm has t on and t off and t ther is a duty cycle that = ton/t this vary the average voltage across the motor