Getting Started With The LEGO Mindstorms EV3 Color Sensor - YouTube
7. using the color sensor - The LEGO MINDSTORMS EV3 Discovery Book (Full Color) [Book]
Exploring Thresholds – LEGO Engineering
Red Light, Green Light
LEGO EV3 Color Sensor Set 45506 | Brick Owl - LEGO Marketplace
Amazon.com: 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 : Toys & Games
COLOUR SENSOR
Amazon.com: Lego Mindstorms Ev3 Color Sensor : Toys & Games