单片机程序设计及实验，有I/O口操作，按键程序，人机交互界面程序，外部INT0/INT1中断程序，无线遥控，时钟程序等-Single-chip design and experimental procedures, have I/O port operation, key procedures, human-computer interaction interface procedures, external procedures IN

关于单片机的按键程序,实现按一下,反应一次-Button on the SCM process, click the realization, the reaction time