单片机仿真实例：P1.7驱动LED亮一秒灭一秒地闪烁。设置时钟频率为6MHZ-Single-chip simulation: P1.7 drive LED light flashes one second off one second. Set the clock frequency is 6MHZ

新颖60秒LED旋转电子钟,可用于单片机学习。-Novel 60 seconds LED electronic clock rotation, can be used for single-chip learning.