Seeedstudio Grove Infrared Reflective Sensor Module
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Seeedstudio Grove Infrared Reflective Sensor Module with LED Indicator for Rotary Speed Detection
Main Features: ● The reflectivity of infrared light varies with the color and distance of the reflecting surface. When a light-colored object approaches, the signal intensity received by infrared reflective sensor increases and the indicator LED on board turns red. When a dark-colored object approaches, the intensity decreases and the LED turns off ● This sensor is widely used in applications such as line-following cars, rotary speed detection, auto data logging on utility meters or other situations where color or distance contrast is sharp ● High resolution sensor ● Minimum detectable length: 1mm ● Effective distance: 4 - 15mm ● Sensitivity is adjustable via potentiometer
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