有关公钥基础设施数字证书的签名及认证。有详尽的注释，代码分发送者和接受者两部分。-the public key infrastructure digital certificate authentication and signatures. Details on the Notes, code-sender and the recipient of two parts.

基于ise的多功能数字钟设计。适用于basys2开发板-Ise-based multi-functional digital clock design

基于STC单片机RLC数字桥,使用1602液晶显示屏的全新设计。 -Based on STC microcontroller RLC digital bridge, use 1602 LCD screen.