linux操作系统下的键盘驱动程序，基于arm

单片机与PC机串行通信实现,让刚学习51单片机的朋友学会如何写uart发送和接收的程序-PC-MCU and serial communication to achieve, so just to learn 51 MCU s friends to learn how to write programs to send and receive uart

pci introduction in underastanding the logic behind pci

应用背景 stm32超声波测距程序，可用于位移测量，飞行器定高，室内避障，可用于巡线小车追踪目标，C语言编写，简单易懂，方便移植，使用的MCU为stm32f103. 关键技术用超声波测距，使用stm32通过电平触发方式发给TRIG端脉冲，然后通过外部中断方式和定时器精准定时读出模块echo高电平时间，从而算出所测的距离。

HPI与PC相通信的源代码 喜欢DSP的爱好者快来看看吧-HPI communication with the PC equivalent of the source code like DSP lovers Come see Look here

lan91c111 driver,welcome to download! -lan91c111 driver, welcome to download!

这是我无意中做的东西，还算可以，能够运行，希望能给初学者一点帮助1-This is what I inadvertently make things still can be able to run a little hope that I can help beginners 1

这是个stm32的示范例程，里面包含了stm32各个部分的基本用法，实用库函数编写的，非常适合初学者下载观看。

作为短信收发业务，属于第一代无线通信技术，这是其软件方面的编写资料-As a messaging business, belong to the first generation of wireless communications technology, which is the preparation of information on its software

利用IO口来模拟实现MSP430 IIC总线通信功能，完对外部扩展器件的访问。 -Mouth to simulate the use of IO to achieve MSP430 IIC bus communication features, the external expansion devices End visit.

能用串口修改时间的时钟程序，用串口调试助手工具调试．电路大家看程序就知道了，用Ｓ８９５２的单片机．-Can be modified serial clock procedures, using serial debugging tool for debugging aides. See procedures on the U.S. circuit know, with the single-chip S8952.