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STM32F103ZET6(STM 32F103ZET6数据手册)芯片主控,同时用HC-05,ISD1760(ISD1760数据手册),数码管,七彩灯等部件构成,当主持人按下抢答键时,数码管进入倒记时,选手做好准备...
2022-08-11
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