ITEM NAME:5pcs IR Infrared Obstacle Barrier Avoidance Sensor Module for Smart Car Robot 5pcs IR Infrared Obstacle Barrier Avoidance Sensor Module for Smart Car Robot SKU: Y0154215756744417 Everyone is a moon and has a dark side which he never shows to anybody..Active infrared sensors to detect the reflected, and thus the shape of the reflectivity of the target detection range is critical. The minimum detection distance which black, white maximum ; small objects from a small area, a large area from the Grand.
