控制板：全新VFD动态数码显示；
介绍了利用VHDL硬件描述语言结合FPGA可编程器件进行数字钟的设计，并通过数码管驱动电路动态显示计时结果。
The paper introduces the design of digital clock based on FPGA and VHDL, the time of clock can be displayed with the digital driving 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.
报警采用按键输入的方式，显示采用数码管动态显示。
Reports to the police selects the method which the pressed key inputs, demonstrated USES the digital tube dynamic demonstration.
七段数码管动态显示电路设计，完成在8个数码管上显示不同的数字。
Seven-Segment LED dynamic display circuit design, completed in 8 digital tube display different figures.
全彩led数码管，全彩户外显示屏，正在逐步替代霓虹灯，运用于动态广告牌上。
All-color LED digital tube and all-color outdoor display screen are now used in the motion advertisement, gradually taking the place of neon light.
全彩led数码管，全彩户外显示屏，正在逐步替代霓虹灯，运用于动态广告牌上。
All-color LED digital tube and all-color outdoor display screen are now used in the motion advertisement, gradually taking the place of neon light.
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