avr的程序，spi通信的程序，还有好多其他的

DA芯片TLC5620中文资料，该pdf以中文详细的讲述了TLC5620的各项指标及其典型应用电路-DA chip TLC5620 Chinese data, the pdf in Chinese TLC5620 detail of the indicators and their typical application circuit

串行驱动led显示- Serial actuates led to demonstrate

做一个电子钟：利用定时器0定时中断，控制电子钟走时；利用单片机上的六个数码管显示时、分、秒。-An electronic clock to do: Using Timer 0 interrupt timing, control of electronic bell away the use of the six single-chip digital display hours, minutes and seconds.

4*4矩阵键盘（查表法） （C51环境）-4* 4 matrix keyboard (look-up table) (C51 environment)

介绍OLED的显示技术的原里发展 由悠景科技公司技术人员讲解-Introduction of OLED display technology to develop the original technology companies by Univision on technical staff

12位4路ADC操作源代码，编译通过的，保证直接使用-12-bit 4-channel ADC operation of the source code, compile, and to ensure direct access to

AT89C4051单片机的产品手册，详细地说明了AT89C4051单片机的各项性能指标、产品结构和工作原理。-AT89C4051 microcontroller product manuals, detailed description of the AT89C4051 MCU performance, product structure and working principle.

在51单片机系统中利用专用以太网控制芯片RTL8019AS实现以太网接口-51 single-chip microcomputer system in the use of a dedicated control chip RTL8019AS Ethernet Ethernet interface

I2C C51模块程序。在C51项目中加入该模块程序，即可调用。测试程序可以可以演示该模块程序的使用。-I2C C51 module procedures. In the C51 project to add the module procedures, you can call. Test procedure can be demonstration of the use of the module procedures.

ds1302 时钟芯片的资料和c语言通讯程序，调试通过。-ds1302 chip clock information and communication program c language, debugging through.