Ball Game Scoring Device (CD4027CD4055CD40192)Circuit

  
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Ball game scoring device s circuit is as shown in the picture. It is used to record and display the performance of a ball game. The first Nixie tube has only two states, that is extinguishing or displaying 1; the next two Nixie tube can display ten states from 0 to 9. Therefore, the maximum scoring of the scoring machine can reach 199. The circuit is m..
Ball Game Scoring Device (CD4027CD4055CD40192)Circuit - schematic




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