用AVR单片机实现脉冲采集源代码

T9输入法， 可 以用在手机或者单片机系统中需要显示汉字的场合，节省键盘数，--T9 Chinese input method. It could be used in mobile phone or SCM systems which need to show Chinese characters.

AVR 单片机的Protel库文件-AVR Protel libraries

一个使用C51编写的视频切换器的控制程序，用于16选4的视频切换-use C51 to prepare a video switcher control procedures for the April 16 elections Video Switch

用于工业控制方面.常见的板卡操作.板卡型号为812板.-for industrial control. Common card operation. Card Model 812 board.

介绍一种应用于实际工业生产现场中的大型LED显示系统的设计和研制。-A site used in the actual industrial production of large-scale LED display system design and development.

一个单片机上的sd卡驱动程序，支持fat32，fat16等文件系统，很有参考价值。-A microcontroller on the sd card driver and support fat32, fat16 file system, etc., of great reference value.

银行校验码软件计算：CRC校验。 对于不明白CRC或银行业需求的人士提供资源-banks correcting code software calculation : CRC. For CRC or do not understand the needs of the banking sector to provide resources

本文介绍了AT89C2051单片机的性能和特点，并在分析了超声波测距原理的基本系统框图。该设计系统经校正后，其测量精度可达0.1米-This paper introduces the AT89C2051 MCU performance and features, and the analysis of the basic principle of ultrasonic distance measurement system block diagram. The design system has been corrected, the measurement accuracy up to 0.1 meters

二进制小数转为十进制BCD码的汇编程序，结果保留四位并在七段数码管上输出-decimal to binary decimal BCD compilation procedures, and results in four reservations in paragraph 107 digital output tube

单片机的　家用投影机电脑型控制板　Ｃ语言的　可以控制投影机-SCM Home Projector computer-based control panel C language can control the projector