Compared with traditional contact-based gesture recognition systems, non-contact gesture recognition systems not only have good recognition performance, but also have advantages such as human-computer interaction, ease of use, and time and effort savings. This design is an intelligent non-contact gesture recognition device that uses the PAJ7620 sensor to collect gesture information. The embedded microcontroller identifies different gestures and displays different patterns through LED marquees, and provides voice prompts through a voice broadcast device. To improve visibility, this design also uses a TFTLCD liquid crystal display to display different gestures, and switches between gesture recognition mode and distance detection mode through four independent keys.
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