Traditional Chinese Practical Intelligence Competition Tube Rush: Circuit Design, Parts List & Workshop Prototype Guide

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In short: Traditional Chinese Practical Intelligence Competition Tube Rush: Circuit Design, Parts List & Workshop Prototype Guide. This entry documents a circuit & prototype taken from Chinese practical-technology literature, written for small-scale makers and home producers. The text below is the full English translation of the original Chinese workshop notes, covering materials and quantities, the step-by-step sequence, and the practical cautions recorded in the source. Roughly 2171 words of English technical text, translated and preserved without editing. It is intended for experimental and reference use, not for regulated or commercial certification.

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Quiz competition pipe grabberWhen conducting intellectual competitions and training, several groups often rush to answer questions, which requires strict distinction in time. This circuit can accurately distinguish the timing of rushing, so it can not only be used as a answering circuit during competitions, but can also be used to help train learning agility and cultivate children's intelligence.The circuit diagram is shown in Figure 136. Its working principle is as follows: before answering the question, the referee should press "SB" first to make each JK flip-flop "zero", that is, Q1 ~ Q3 are all "1". …

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