10pcs TCRT5000 Infrared Reflective Sensor IR Photoelectric Switch Barrier Line Obstacle Avoidance Module Tracing Sensor Tracing Module for Arduino Smart Car Robot workwarehouse VARIOUS USAGES: Used for Business B009S99QLS
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10pcs TCRT5000 Infrared Reflective Sensor IR Photoelectric Switch Barrier Line Obstacle Avoidance Module Tracing Sensor Tracing Module for Arduino Smart Car Robot workwarehouse VARIOUS USAGES: Used for Business B009S99QLS VARIOUS USAGES: Used for Business cards OliviaLiving Hot Water Bag Hot Water Bottle 2 Liter Heat Up and Refreezable Hot Cold Pack with Knit Cover for Pain Relief Hot Cold Therapy detecting reflection distance 10pcs TCRT5000 Infrared Reflective Sensor IR Photoelectric Switch Barrier Line Obstacle Avoidance Module Tracing Sensor Tracing Module for Arduino Smart Car Robot
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