Intelligent calling and scoring device in bridge
A calling and intelligent technology, applied in the field of bridge intelligent bidding and scoring devices, can solve the problems of no timing function, difficulty in separating screens, no timing, etc., and achieve the effects of easy installation, disassembly and portability, small footprint, and convenient scoring
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[0030] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0031] In this embodiment, a total of 5 single-chip microcomputers, 1 rewritable memory, 4 liquid crystal displays, 4 keyboards, and 4 low-power speakers are used. The host is composed of a host processor, a rewritable memory, a USB interface and two communication interfaces, and its circuit diagram is shown in Figure 5. Each slave consists of a slave processor, which is connected to a keyboard, a monitor and a low-power speaker. The circuit diagram is shown in Figure 6. Each slave is connected to the host through the serial communication interface on its microprocessor, as shown in Fig. 1 and Fig. 2 .
[0032] In this embodiment, the host processor adopts 89C52 with a serial port, and the rewritable memory adopts 24C1024. One end of the first communication interface 1 in the two communication interfaces is directly connected with the host serial port,...
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