evant specification LED screen body, users, only care about content, without having to concern the car installation is what kind of body, to avoid the edit screen display content does not adapt the vehicle mounted on the screen and can't display properly. To ensure the speech and the text synchronization, application in speech broadcast AP I call the function, the corresponding SD card in the text files through serial transmission to the LED display. The LED display control circuit of the core processor for LPC2138 (PH IL IPS ARM7 processor) of pany, it has 512 KB FLASH space, in addition to storage program code, still have a 16 (16 preinstalled matrix HanZiKu grade 2, when receiving S3C2440 transfer text characters code, data from equivalents in matrix and remove the LED screen displayed.
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