1. Realize the function
1. The host resets and displays the scores of 8 players in turn. The host can press the start button after the 8 players' scores are displayed.
2. The host presses the answer start button, and the answerer can start answering, and the digital tube will count down to 10 seconds.
3. The answerer presses the button, the digital tube displays the answerer's number and the remaining time to answer the question counts down to 20 seconds.
4. Within 20S, if the respondent answers the question correctly, the moderator presses the bonus button and the score increases by one. If the host presses the deduction button, the score will be reduced by one. (The default initial score of the respondent is 50).
5. Repeat steps 1~4.
2. Simulation diagram
The information includes simulation schematics and programs, perfect simulation: https://www.cirmall.com/circuit/19623
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