This is an electronic bell SCM procedures, in the hope that everyone has to help

此为友善之臂micro2440板的底板原理图，更新时间是2009年2月28日。-This is a friendly arm on the Backplane board micro2440 schematic, update time is February 28, 2009.

以

arm7开发源代码杂集.包含有一些ARM7的开发代码-arm7 miscellaneous set of open source. contains a number of ARM7 Development Code

232模拟串口的程序，给需要的朋友-232 serial simulation procedure, to the needs of Friend

这是一个课程设计---数字电压表基于MCS51和AD0809的源码-This is a curriculum design- digital voltage meter and the AD0809 based on the source MCS51

单片机C语言编写的电子密码锁，可以自己设置密码-Single-chip C language electronic locks can be their own password

此函数把SPI的读写功能集成在一块，传递的val既是向SPI写的数据，也是从SPI读取的数据，只需要在执行读或写之前把MCU的I/O脚设置成相应的输出或输入即可。（因为在大部分应用中，是把SPI的DI和DO相连并用MCU的一个IO口来读写）。-This function of the SPI read and write functionality into a single, transmission of val is not only written to the SPI data is read from the SPI data, only need to read or write in the implementation prior to the MCU

aduc814的汇编程序例子-ADUC814 example of the compilation process

时钟芯片ds12c887线片驱动程序，可直接应用-Clock Chip ds12c887-ray driver, can be directly applied

PIC16F877单片机 Boot-Loader -PIC16F877 microcontroller Boot- Loader