The digital display answering racer circuit

Published:2011/6/7 11:52:00 Author:qqtang | Keyword: digital display, answering racer | From:SeekIC

In the figure, the digital display answering racer adapts the digital pipe as the display, which can make players and audiences see the results, so the transparence is good.Working principles: digital display answering racer circuit is shown in the figure. CD4511 is main part of the digital display answering racer. This is a BCD-7 lock/decoder/drive circuit, whose 1, 2, 6 and 7 pins are the input terminal, and 9~15 pins are the display output terminals. 3-pin LT is the detection terminal, when it is 0 , the output is 1 .



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