SunRobotics TCRT5000 Line Follower / Obstacke Avoidance Reflective Optical Infrared Sensor (2 Pieces)(Black)

The TCRT5000 and TCRT5000L are reflective sensors which include an infrared emitter and phototransistor in a leaded package which blocks visible light.TCRT5000L is the long lead version. The TCRT5000(L) has a compact construction where the emitting-light source and the detector are arranged in the same direction to sense the presence of an object by using the reflective IR beam from the object. The detector consists of a phototransistor.