基于KL25定时器PWM输出可调脉冲频率

Ex001-串口printf和scanf例程(V2.0_2011-10-16)，适用于stm32fr103红牛开发板，很好的串口测试程序。

单片机控制LCD实现字符显示，显示两行汉字字符。-Single-chip microcomputer to control the realization of character LCD display, showing two lines of Chinese characters.

本代码是基于嵌入式系统开发的基础学习内容，是熟悉AVR的LED灯的良好的联系题，适用于初次接触AVR嵌入式的学习者。

这个代码是本人写的UHF demo，用来读写64k超大user区的标签。如有任何疑问，请通过下面邮箱联系本人freshtree@163.com

Ieee1394驱动实现，绝对好用 -IEEE1394 drivers realize is absolutely easy to use

是上一个SMS消费机的充值机程序，主要用于手持机方面的，这方面的朋友可以下载！是用68K328的处理器！开发环境可找我要！ -SMS is a consumer machine in the lobby machine procedures, mainly for the handhelds, which can be downloaded friends! 68K328 is the processor! Development environment to be approached me!

本设计的基本要求是以复杂可编程逻辑器件CPLD为基础，通过在EDA系统软件ispDesignExpert System 环境下进行数字系统设计，熟练掌握该环境下的功能仿真，时间仿真，管脚锁定和芯片下载。 本系统基本上比较全面的模拟了计数式数字频率计，广泛应用于工业、民用等各个领域，具有一定的开发价值。- This design basic request is take complex programmable logical component CPLD as a foundation, through environment carries on the number system design in EDA system software ispDesignExpert under the System, skilled grasps under this environment the function simulation, the time simulation, base pin locking and chip downloading. This system basically quite comprehensive simulation has counted the numerical expression numeral frequency meter, widely applies to the industry, civilly and so on each domain, has the certain development value.

关于52单片机串口通讯的软件仿真，包含Proteus布局图-About 52 microcontroller serial communication software simulation, including Proteus layout

该文件是点阵型液晶驱动，可以驱动128*64点阵型液晶，同时，也可以驱动汉字-Point that the document is a LCD driver, you can drive 128 LCD* 64 points at the same time, Chinese characters can also be driven

用于测试STM系列最小系统是否正常工作的一个简单的样例。 用uvsion4编写，可以控制一个LED的闪烁，来指示MCU已经正常工作 可以方便扩展成其他应用