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3Pcs 1 Channel Infrared Reflection, Ir Reflectance Sensor Tracking Sensor Module Tcrt5000 Tracking Sensor Module Smart Car Blackwhite Line Detection home2022 2 Per Day | 13Pcs 1 Channel Infrared Reflection, Ir Reflectance Sensor Tracking Sensor Module Tcrt5000 Tracking Sensor Module Smart Car Blackwhite Line Detection Product Features It uses TCRT5000 infrared reflection sensor whose infrared emitting diodes are constantly emitting infrared rays. This module provides a versatile infrared detection system solutions for automation machinery devices. When the infrared emitted is not reflected back or is not high enough,