AT Keyboard interfacing with 8051 and can be easily modified for any other micro

USB驱动芯片CH372/CH375应用源码，包括接口电路。-USB Driver IC CH372/CH375 application source code, including the interface circuit.

文章讨论了Linux 作为实时应用操作系统的一些不足，从实现机制上分析了产生这些不足的原因。详细阐述了实时操作系统RTLinux 的实现原理，着重介绍了嵌入式RTLinux 系统的开发过程，并给出了该系统实时性能测试的方法和结果-article discusses the Linux operating system as a real-time application of a number of shortcomings, from the mechanism analysis on the causes of these deficiencies. Detailed real-time operating system RTLinux Principle, highlighting the RTLinux embedded system development process, and the system is real-time performance testing methods and results

threadx操作系统源代码之-threadx operating system"s source code 555555555555555555555 555 555 555 5

用于iic的读写。上面有例子可以参考-Head for the reader. The above are examples of reference

单片机C语言的轻松入门，讲解的很生动，是学习的好资料-SCM C-ease of entry to explain very lively and good information to learn

this is a test usb keyboard program for dm644x. it s easy to understand the concept about the IO operation

实现超声波测距功能的电路硬件和程序 介绍了如何用单片机实现高精度超声波测距的具体电路，并给出了源程序。 -Function of the realization of ultrasonic ranging circuit hardware and procedures describes how to use single chip to achieve high-precision ultrasonic ranging specific circuits, and gives the source code.

DA 转换 产生三角波 正旋波 梯形波（dac0832)换电路接成同相电压输出形式，其输出电压Vout=IR(1+R2/R1)。-DA conversion triangular wave generated spinning wave trapezoidal wave (dac0832) for access into the same circuit phase voltage-output type, the output voltage Vout = IR (1 R2/R1).

serial port driver in linux

它的完整的exFAT文件系统的代码，它是嵌入式系统中很容易实现，但也兼容FAT16和FAT32的良好架构的实现。