iic工作子程序，用c51编写的我正在使用，献给诸位，改一下就可使用的有其他的需要联系我...

一种很好的键盘键扫描方法，对初学者有大大的帮助。-A good keyboard key scanning method, has greatly help beginners.

讲述高速数字电路的设计和布线原理，有很多具体的技巧和经验-on high-speed digital circuit design and wiring principle, there are many specific skills and experience

这个代码是用8989C51和12887开发的。-This code is 12887 8989C51 and development.

PIC16F877控制LED进行任何显示，该源码只做了北京两个字的显示-PIC16F877 to control LED of any revealed that the source only the word display in Beijing

nRF2401芯片资料手册，便于开发无线模块-nRF2401 chip information handbook to facilitate the development of wireless module

AVR单片机上跑的MMC卡加FAT16文件系统的例程-AVR run MMC Cagayan FAT16 file system routines

这是单片机读写CF卡的详细设计，很有用处-SCM CF card reader for the detailed design, useful

* 功能：运行RTC进行计时，将所时间值不断的通过串口向上位机发送，并把秒的值输出数码管D1 * 上显示。上位机运行EasyARM软件，在串口发送/接收窗口观察。 * 说明：* 通讯波特率115200，8位数据位，1位停止位，无奇偶校验。-* Function: RTC to run for a time, the time value will be constant upward through the serial-bit machine to send, and seconds values D1* output digital tube display. PC running EasyARM software serial port to send/receive window of observation.* Description:* 115200,8 bit baud rate of communication data bits, 1 stop bit, no parity.

LT_1B msp430开发板例子程序－UART11_024-LT_1B msp430开发板例子程序－UART11_02400

AVR和PC机并口以EPP方式通信的源代码，与大家共享-AVR and the PC parallel port to EPP mode machine communication source code, and share