小代码实现的release版本，适合初学者学习使用，使用avrstudio编译软件编译通过，欢迎下载试用。-Small code to achieve release version, suitable for beginners to learn to use, use avrstudio compiler software compiler, welcome to download the trial.

trial component for limited the application your create, based on date, limited days, or by code, you can make it easy by this component