如果你想学习C51的越快，这个资源也许会给你一个帮手。

8051 Absolute Encoder Positioner How to connect and drive absolute position encoder with SSI serial interface. The encoder has been made by Siemens (6FX2001-5FS12). Archive contains: 1) schematic, 2) source in C and Assembler

PCA捕获功能原程序代码,初学单片机有用,代码已运行过,能用.-PCA capture the original program code, beginner Singlechip useful, the code has been in operation, and can be used.

红外通信程序，在集中器采集器电表和手持终端及主台通信中有很好的运用-Infrared communication procedures, the concentrator meter collector and handheld terminals and main-Taiwan communications have a very good use

万年历 megal128 iccavr开发平台-Calendar megal128 iccavr development platform

4442逻辑加密IC卡读写底层C51程序，-4442 encryption logic IC Card Reader bottom C51 procedures,

单片机控制网络芯片进行通信 （内容包括rtl8019as的驱动程序，uip协议栈，电路原理图，tcpip.h文件，pic单片机通过8019as进行通信的完整论文）-SCM control network chip communication (including rtl8019as driver, uip stack, circuit schematics, tcpip.h file, pic microcontroller to communicate through 8019as the full paper)

在单片机上实现OBD协议的调制和解调,应用于车载OBD检测设备.-In SCM to achieve agreement OBD modulation and demodulation, used car OBD testing equipment.

用单片机16F877A外接MAX518实现正弦波输出-16F877A MCU external realize sinusoidal output MAX518

单片机与PS2键盘相连的应用，可以分大小写输入，通过1602液晶将字符显示出来-SCM and PS2 keyboard connected applications, can be divided into upper and lower case input, through the 1602 LCD will be displayed characters

89S52 单片机 + 74HC595 + 组成的8X8 LED 点阵驱动显示程序，Keil C环境编写，带显示字符压缩／解压源／显示／代码。-89S52 composed of lattice-driven 8X8 LED display program, Keil C environment preparation, showed a band of characters compression/decompression source/Display/code.