“Arduino Self-Timer” project presented here is a low-component count 60 seconds countdown timer. It can be powered from a 9V compact battery or suitable Arduino AC mains adaptor. Working of the ...

You can create a release to package software, along with release notes and links to binary files, for other people to use. Learn more about releases in our docs.

* * delay() 会让 CPU 空转等待，期间不能执行其他代码，称为“阻塞”。 * * 硬件定时器由独立硬件模块驱动，到时间就触发中断 ...