Real estate model lighting, voice synchronous commentary machine
A model and lighting technology, applied in the field of interpreter
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[0014] figure 1 In the voice module IC1, pins 1 to 8 are connected to P1.0 to P1.7 of the first single chip microcomputer module IC2, and pins 13 and 14 of the voice module IC1 are connected to P3.2 and P3.3 of the first single chip IC2 respectively. Pin connection: Pin 19 and Pin 20 of the voice module IC1 are connected to 12V power supply; Pin 20 is positive and Pin 19 is negative. The 17 feet and 18 feet of the voice module IC1 are the left and right channel output ports of the voice signal, which are connected to the active speakers PR and PL respectively.
[0015] The remaining I / O ports of the first single-chip microcomputer module IC2 are connected to the relay through the driver chip IC4-IC5, which are divided into three sections: the first section, the P0.0-P0.7 port of the single-chip microcomputer and the input port 1- of the driver chip IC4 8-pin connection, the output port 18-11 of the drive chip IC4 is connected to 8 relays in order, the relay numbers are J1 to J8. ...
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