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Delivers high-sensitivity, rapid motion detection for accurate positioning without false triggers\u003c\/li\u003e\n \u003cli\u003eStrong Compatibility and Ease of Use: Features a wide operating voltage of DC 3-5V, allowing it to be powered directly by boards like Arduino. Provides an NPN normally open signal output, making it fully compatible with various mainstream controllers and platforms\u003c\/li\u003e\n \u003cli\u003eSimple Application: Clear interface definitions and simple wiring. Just add a 1K pull-up resistor between the signal wire and the positive pole to connect directly to a microcontroller's I\/O port for quick project integration\u003c\/li\u003e\n \u003cli\u003eWonderful for Robotics Competitions: Particularly suitable for smart robot competitions, fulfilling tasks like simple motion detection, speed measurement, and precise timing. 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