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The first responder is an electrical appliance that can accurately judge the first responder by designing a circuit. It can accurately, fairly and intuitively judge the seat number of the first responder in knowledge competitions and recreational activities (first responder activities). Better promote the competitive awareness of various groups, and let the players experience the pressure of the battlefield. The answering machine can explain the accuracy and fairness of the ruling results through data. While greatly increasing the entertainment of the competition, it is also more fair and just. A two person answering machine is made based on the palm treasure. When the referee randomly gives a question, the players from the red and blue sides can press the corresponding button to answer, and there will be light and sound prompts. Who will get the chance to answer the question first? When the players answer the question, the display will show whether the answer is correct, and if it is correct, the √ symbol will be displayed, And the LED displays a green light for 3 seconds. If the number is wrong, it displays × Type symbol, and the LED displays red light for 3 seconds. The referee can constantly make random questions.
The first responder is an electrical appliance that can accurately judge the first responder by designing a circuit. It can accurately, fairly and intuitively judge the seat number of the first responder in knowledge competitions and recreational activities (first responder activities). Better promote the competitive awareness of various groups, and let the players experience the pressure of the battlefield. The answering machine can explain the accuracy and fairness of the ruling results through data. While greatly increasing the entertainment of the competition, it is also more fair and just. A two person answering machine is made based on the palm treasure. When the referee randomly gives a question, the players from the red and blue sides can press the corresponding button to answer, and there will be light and sound prompts. Who will get the chance to answer the question first? When the players answer the question, the display will show whether the answer is correct, and if it is correct, the √ symbol will be displayed, And the LED displays a green light for 3 seconds. If the number is wrong, it displays × Type symbol, and the LED displays red light for 3 seconds. The referee can constantly make random questions.
