ITEM NAME:2pcs IR Infrared Obstacle Avoidance Sensor Module Smart Car Robot Z a.imagelink a:hover.imagelink {color:#db3606;.2 x Infrared obstacle avoidance module. 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.
