Keilc51和proteus环境下实现的0－50MHz的频率计。

LED动态扫描.采用74164做为显示数据输出,使I/O口减少至两个,并且可做为驱动,是小系统LED显示的最佳方法-LED dynamic scanning. Using 74,164 as output data show that, I/O port reduced to two, but also to drive, is a small LED display system the best way

USB程序源代码,包括PC端和单片机端.USB控制芯片为PIDUSBD12.-USB source code, including the PC client and single-chip client. USB controller chip for PIDUSBD12.

在51单片机上用7279芯片驱动键盘和数码管-51 SCM in 7279 with a chip-driven keyboard and digital tube

基于Keil C平台的源程序，是针对AT89ls52的4×4键盘扫描程序，采用查询方式进行-Keil C based on the source platform is AT89ls52 for the 4 × 4 keyboard scanning procedures, the use of inquiries conducted

利用VB开发的用于双机互联的应用程序。主要是利用RS232串口。-The use of VB for development of two-plane interconnect applications. Mainly the use of RS232 serial port.

这是本人去年学习所用的新华龙F020开发板的PCB Layout板.因为只用了两天时间画完,没有做走线优化.希望对大家有所帮助.-This is the last year I used to learn new hualong F020 development board PCB Layout of the board. Because only two days画完, there is no alignment to do optimization. Want to be helpful to everyone.

51操作系统RTX51应用,对任务的调度会有很好的了解,很适合初学操作系统的人,另外加了PROTUES对操作系统的仿真-51 operating system RTX51 application of the mission will have a good understanding of scheduling, it is suitable for beginners operating system, and added another on the operating system PROTUES Simulation

mage8的数码管扫描程序 -mage8 digital control digital control mage8 scanner scanner

用1片164动态驱动6个数码管，实现数字时钟功能-164 with a dynamic drive six digital control, digital clock function

单片机C语言入门_对刚接触嵌入式开发的人员很有好处-Singlechip C language entry刚接触_ of embedded development staff is very good