A sensor that detects the presence, distance, temperature or motion state of objects by using the emission, reception and reflection characteristics of infrared rays.

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HC-SR501
HC-SR501
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HC-SR501 PIR Motion Sensor

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$3.991 pcs
HC-SR501 Human body infrared sensing electronic module sensor pyroelectric probe sensing switch
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QRE1113 Infrared Reflection Sensor Module 3.3V/5V

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$1.891pcs
QRE1113 IR Reflection Sensor works stably in harsh environments, supports wide voltage, ideal for precision detection tasks.
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TCRT5000 Infrared Sensor

$0.891pcs
TCRT5000 is an infrared reflective optical sensor, working on the principle of infrared reflection recognition.
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