6位共阴数码管，CD4511驱动，使用反极法的键盘

一个led的流水灯，简单的程序，贵在有proteus访真文件。-A stream of flowing water led lights, a simple procedure, your visit in a real file proteus.

ucosii对ARM7 S3C44B0的源代码（已经移植成功的）-ucosii ARM7 S3C44B0 to the source code (which was successful transplantation)

USB接口芯片文件接口模块CH375EVT-USB interface chip document interface module CH375EVT

CPLD器件中常用编程，对于多进程做了很好的处理，能实现0到59计数，还可自己根据需要调整，实现多种计数功能，从而实现时分秒计时器的功能-CPLD devices commonly used in programming, for many the process to do a very good deal, can achieve 0-59 count, but also need to be adjusted in accordance with their own, achieve a variety of counting functions, when every minute timer in order to realize the function of timer

单片机设计音乐门铃，仅需at89c51，再加LM386做音频功放，输到扬声器-Single-chip design music doorbell, just at89c51, coupled with the LM386 audio amplifier to do, lose to the speaker

资源描述电力系统的标准104规约，此规约是104的上行接入规约的源代码

sharp flash blob 的烧写代码-sharp flash of burning blob of code

制作Zigbee模块的详细电路原理图和C代码-Zigbee module produced a detailed circuit schematic diagram and the C code

基于STM32F4开发板，从USB中读入的MP3文件，利用Helix mp3解码器将mps解码后利用程序将MP3播放。该代码在在IAR编译环境下编译和运行。

加减时间计数器设计，经过实际使用通过测试。-Modified time counter design, through the actual use to pass the test.