实现stc单片机，两个单片机之间的SPI通讯。单主单从

提供DataFlash（AT45DB041）的底层读写驱动函数，包括内存读写，缓存读写，内存与缓存之间的数据交换等等。-provide DataFlash (AT45DB041) literacy drive the bottom function, memory read and write, read and write cache, and cache memory for data exchange between and so on.

485端口抄表程序，通过485端口进行电表抄写-485-port meter-reading program, through the 485 meter port copying

keil c51的技术文档Cx51中文版，刚从网上搜到的，一起分享-Keil decoder technical documents inverter Chinese version just found that the Internet, share

AT91RM9200-DK的cf卡读写程序-AT91RM9200-DK

图形点阵型LCD控制芯片ST7565R驱动程序，点亮全屏，并显示相关图片信息，已通过测试-Graphic point of formation LCD controller chip ST7565R driver, lit full-screen, and display the relevant image information, has been tested

74HC595在数码管上的详细应用和编程方法-74HC595 in the digital control on the detailed application and programming method

51必备-51 essential

这是一本单片机的初学者教程，简单易学。是单片机初学者的首选-This is a tutorial for beginners SCM, easy to learn. Is the first choice for beginners Singlechip

自己改写的单片机pid程序，实用

电子密码锁设计 -Electronic code lock design