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文章介绍了一种以 874 8单片机为控制核心的带有 4个数码LED显示时、分和 1个数码LED作秒闪烁的两键校时打铃器 ,并较为详细地给出了软件控制流程图
This paper introduces a two-button calibrator with 874 8 single-chip microcomputer as the control center with four digital LED displays, one digital LED and one second flashing, and presents the software control flow in more detail Figure