F249 HIGH QUALITY 4 PIN INFRARED SPEED SENSOR MODULE

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• Working voltage: 3.3V~5V

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• Weight:8g

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• Dimensions: Approx.3.2cm x1.4cmx0.7cm

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• Brand new and high quality

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• 5mm Groove width

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• Using wide voltage LM393 comparator

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• Application: Widely used in dynamo speed detecting, pulse counting, etc

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• Output form: Digital switch output (0 and 1) and Analog for Sensitivity.

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