屏幕保护程序

P1口流水灯程序,pcb-P1 lights procedures pcb

说明：  ASTERISK 更新文件，有空的可以看看(ASTERISK updates files, you can see when you are free)

新版GprMax数据导入Matlab，画出A-scan和B-scan程序(New version of GprMax data import Matlab, draw the A-scan and B-scan procedures)

FPGA编写环境，具有仿真容易，软件内存小的特点(FPGA authoring environment, with easy simulation software features small memory)

二维码PDF417编码和解码的源代码,可将它们修改后做成匹配的编码和解码对。(The source code of two-dimensional barcode PDF417 encoding and decoding, they can be modified to become a matched encoding and decoding. )

ST7920 for Pic18f46k20

mfc示例源代码在vc10文件夹中。我们可以学习多线程作为引用.it这是一个很好的研究临界区互斥和签名的例子。

Wiegand 26/34转RS485、RS232信号转换模块（原理图+PCB+BOM）,输入韦根信号，转换为串口输出(Wiegand 26/34 to RS485, RS232 signal conversion module (schematic + PCB + BOM), input Wiegand signal, converted to serial output)

winform分页实例，支持千万级数据量分页

oled显示屏 在很多领域都有用到，微型嵌入式设备上作为提示功能，分享下oled iic模拟的代码