一个非常好的单片机读写液晶的程序，已经服了源码。

这是arm92440的脉宽调制（pwm） 适合初学者使用-Arm92440 This is the pulse width modulation (pwm) Suitable for beginners to use

通过这个程序，你可以知道电话是怎样拨号，是怎样接通，怎样传输。-through this procedure, you know how to dial telephone is connected to what, how transmission.

serial函数集 好用-serial Function Set Easy

数字电路抗干扰： 在电子系统设计中，为了少走弯路和节省时间，应充分考虑并满足抗干扰性 的要求，避免在设计完成后再去进行抗干扰的补救措施。-Digital circuit interference: In the electronic system design, for less detours and save time, should take fully into account and meet the requirements of anti-interference, to avoid later in the design of anti-interference to carry out remedial measures.

智能门禁系统采用凌阳十六位单片机作为系统控制核心，利用其强大的语音识别功能，不仅实现了语音播放功能，完成了语音提示的要求，而且实现了语音控制门禁系统；利用其内置的Flash闪存，实现了密码的断电保护。除此而外，在键盘输入方面，强大的功能选择键满足了系统的要求；16*2液晶显示器的选择使操作要求清晰明了。此套智能门禁系统强烈体现了其人性化的一面-Intelligent access control system uses the Sunplus 16 single-chip system control as the core, to use its powerful voice recognition features, not only realize the voice playback, the voice prompts to complete the requirements, but also realize the voice control of access control systems the use of its Purchase of Flash memory, realize the power to protect your password. Furthermore, in keyboard input, the choice of powerful features to meet key requirements of the system 16* 2 LCD display options so that operating requirements clear. This set of intelligent access control system strongly reflects its human side

51系列单片机的IIC软件包，模拟通信软件包，可以和具有IIC的芯片使用-51 Series MCU IIC package, analog communications package, you can chip and the use of IIC

这是一个关于串口通信的程序，是用C 语言和汇编编写的，适合大多同学。-This is a serial communication about the procedure is written in C and assembly language for most students.

单片机视频教程，大学本科计算机专业必修，主要介绍单片机原理，接口，结构-SCM video guide, a college computer professional compulsory, introduced SCM principles and interface structure

程序代码说明 P0401：用Prewitt算子检测图像的边缘 P0402：用不同σ值的LoG算子检测图像的边缘 P0403：用Canny算子检测图像的边缘 P0404：图像的阈值分割 P0405：用水线阈值法分割图像 P0406：对矩阵进行四叉树分解 P0407：将图像分为文字和非文字的两个类别 P0408：形态学梯度检测二值图像的边缘 P0409：形态学实例――从PCB图像中删除所有电流线，仅保留芯片对象-code P0401 Note : Prewitt operator to detect the edges in the image P0402 : different values of Getting operator to detect the edges in the image P0403 : Canny operator to detect the edges in the image P0404 : image thresholding segmentation P0405 : water line threshold method image segmentation P0406 : matrix Quadtree P0407 : images into text and non-text of the two categories P0408 : morphological gradient detection Binary Image Edge P0409 : morphology example-- Images from the PCB to remove all current lines, retaining only chip targets

利用AVR单片机实现的慢速USB设备协议-use the AVR MCU agreement slow USB devices