LED guiding sign controller
A controller and guide card technology, applied in the field of electronic information, can solve problems such as poor anti-EMC performance and complex structure, and achieve the effects of high working reliability, wide selection range and long service life
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[0024] The present invention will be further described below in conjunction with the accompanying drawings.
[0025] like figure 1 As shown, the present invention uses the LED module as the light source to display the image, and realizes the remote control of the local remote control, the RS485 remote communication, and the controller product of the voice broadcast multifunctional guide board.
[0026] The six groups of LED modules are controlled by the controller and driven by the LED drive circuit. The voice chip is controlled by the single-chip microcomputer to drive the speaker, and the pre-recorded voice is played according to different display images, and the playback volume is adjustable. The single-chip microcomputer controls the communication chip to realize the RS485 communication between the controller and the upper computer. On the same shielded twisted pair, the address of the controller can range from 1 to 254, the communication baud rate is 9.6kBPS, and the max...
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