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8051
- 基于8051单片机的抢答器设计,有四种工作状态的切换,由两个开关控制,兼备记分牌的作用,硬件电路中有一个3线8线优先编码器,节省IO口-Responder 8051-based design, there are four working state switching, the role of the two switches control both the scoreboard, the hardware circuit has a 3-wire 8-wire priority encod