IR Temperature Sensor for EV3 or NXT - mindsensors.com
How to Program the LEGO EV3 - Infrared Sensor - YouTube
Beacon tracking with LEGO Mindstorms EV3 IR Sensor - LEGO Reviews & Videos
IR Temperature Sensor for EV3 or NXT - mindsensors.com
File:EV3 Infrared Sensor.jpg - Wikimedia Commons
LEGO MINDSTORMS EV3 Building Set Includes 3 Interactive Servo Motors, Remote Control, Improved And Redesigned Color Sensor, Redesigned Touch Sensor, Infrared Sensor And 550+ LEGO Technic Elements