Abstract: A solution for realizing synchronization and playback control in the field of LED light control is proposed and implemented in the actual LED light display. The system principle, software and hardware structure are discussed, and the key points of LPC2148 USB module programming, the role of block storage device SD card in synchronization and playback mode, and the software implementation method of large-capacity FIFO memory constructed by CPLD and SRAM for code stream buffering are analyzed. The test results show that the controller plays light scenes smoothly and is easy to operate, realizing a new LED light control method. [Author Abstract]
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