可用于任何单片机平台的I2C总线读写程序，IO脚模拟。

用51引脚模拟SPI，进行ad7706读写操作。-the source code which use 51 MCU read and write ad7706

指纹通讯模块程序，该模块以ATMEL公司的89s52为单片机与指纹模块进行数据通讯，以面向门禁或考勤等应用-Fingerprint procedures for communication module, the module to ATMEL Corporation 89s52 for single-chip modules and fingerprint data communication-oriented applications such as access control or attendance

PIC单片机入门教程， 非常实用-PIC Singlechip Tutorial, very useful

铅酸电池充电器，采用78F9202单片机，C语言-Lead-acid battery charger, using 78F9202 Singlechip, C language

DDS芯片AD9833 芯片单片机控制程序,非常好用-DDS chip AD9833 single-chip microcomputer chip control program, very easy to use

C51 Timer 0 的使用 Timer_0_mode_0_counter_gate_soft-C51 Timer 0 use Timer_0_mode_0_counter_gate_soft

运用AVR单片机的MEGA16L控制NRF24L01射频芯片接收数据的应用-use mega16l to control nrf24l01 to receive data

这是我在学校做电子钟留下的资料 希望能给你带来帮助-This is my electronic bell in the school do hope that they will be left behind by the information to help you

AVR mega8 单片机操作CC1100的例子-AVR mega8 MCU and CC1100 RF IC

欧洲航天局的总结报告--FPGA设计指南,简单并且系统地介绍了FPGA的开发流程，英文版。-The European Space Agency Final Report- FPGA Design Guide, a simple and systematic introduction to FPGA-development process and English.