数字电子钟 - 超越 - 博客大巴 关键字：电子钟；AT89S52单片机；数码管显示器 [gap=509]Keywords: electronic bell; AT89S52 single chip; LED
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显示器采用七段共阴数码管。该测试仪具有结构简单，成本低廉，精度较高，方便实用等特点。
Seven-Segment display using digital tube were overcast. The tester has a simple structure, low cost, high accuracy, convenient and practical and so on.
可直接驱动液晶显示器，增加适当的驱动电路可采用数码管显示。
It is possible to drive liquidcrystal display directly, and to use the digital tube demonstration by increasing the suitable actuation electric circuit.
同时采用数码管led和LCD液晶显示器动态显示“时”，“分”，“秒”的现代计时装置。
At the same time the use of digital control LED and LCD LCD dynamic display "when", "sub", "second" modern timing devices.
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