Abstract: There is a car model in the exhibition hall that is similar in size to the real thing, and the corresponding radio frequency card is attached to the location of the knowledge point of the model. The audience or the lecturer can use the RFID reader to read the knowledge point code of interest or directly click on the knowledge point on the touch screen display, and then play the relevant multimedia content on the display through the car knowledge demonstration system. The system automatically searches the database through RFID retrieval and plays the relevant multimedia content; it can also automatically search and play the multimedia content of the corresponding knowledge point after the user clicks; the system also has the functions of dynamically setting the knowledge points and icons corresponding to the shortcut area, setting administrators and ordinary users, etc. This article will introduce the entire development situation. Conduct demand analysis and design of the demonstration system; give a detailed introduction to the adopted design scheme and design ideas, and analyze the tests and results. [Author\'s Abstract]
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