timer based on AT89S52

adc转换器，实现ad转换功能，可以进行自己的小项目设计-adc converter, ad conversion implementation, can design their own small projects

基于AT89C52单片机的电热水器设计，包括原理图和程序-Electric water heater based on AT89C52 microcontroller design, including schematic and procedures

本程序实现msp430通过CS8900A与以太网的通信-This procedure to achieve msp430 through CS8900A and Ethernet communications

Interface PS/2 key board-Interface PS/2 key board

用89C51 控制nRf 905收发 C源代码-with 89C51 905 transceiver control nRf C source code

自制小时钟 可以遥控调节时间，采用315M 2262 ，2272 收发模块 发来给新手看看 -Self-made small-time clock can be adjusted remotely, using 315M 2262, 2272, sent to the transceiver module to see if novice

基于单片机c8051F020的看门狗技术的源程序代码。 -Based on single-chip watchdog c8051F020 source code technology.

本代码以8051单片机做的，实现对电子钟的功能。功能包括四按键对电子钟的时间及年月日的调整，6LED数码管显示时间。各部分功能以模块写出，便于以后调用，对于初学单片机的朋友们会有很大帮助。-The code to 8051 to do, to achieve the electronic clock function. Features include 4 buttons on the electronic form of time and date adjustment, 6LED digital tube display time. All parts of capabilities to the module to write, easy to call the future, for beginners SCM would be of great help to my friends.

LM3S89XX ARM(CORTEX-M3) 内部看门狗原代码，周立功提供-LM3S89XX ARM (CORTEX-M3) internal watchdog the original code, Zhou Ligong provide

MSP430的CRC程序设计实现，位运算和查表法-MSP430 realize the CRC program design, digital computing and look-up table method