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
LEGO Mindstorm Ev3 Infrared Sensor
IR Temperature Sensor for EV3 or NXT - mindsensors.com
Programming the Ev3 Infrared Sensor - YouTube
EV3 Sensors – LEGO Engineering
Lego Mindstorm Ev3 Infrared Beacon
LEGO Mindstorms Ev3 IR Sensor Seeker Infrared 45509 for sale online | eBay
Beacon tracking with LEGO Mindstorms EV3 IR Sensor - LEGO Reviews & Videos