An infrared sensor is an electronic instrument that is used to sense certain characteristics of its surroundings by either emitting or detecting infra red radiation. It is also capable of measuring heat of an object and detecting motion. ...
This is a Line sensing Hunt Sensor Module that can be used to detect black/white surface or any obstacle for your Microcontroller. Also can be used to detect obstacles linearly. ...
It is a shield especially designed to connect 4 IR Sensors to your Arduino Board. It can be used to develop some cool gadgets based on Infrared Technology. ...