HiTechnic color sensor - for Lego Mindstorms EV3 Botland - Robotic Shop
Color Sensors Showdown
Comparing EV3 & HITechnic COLOR SENSORS - ppt download
Color Sensor/hi-tech and EV3 - Bricks
LEGO® MINDSTORMS® Education NXT HiTechnic Sensor
HiTechnic - A new version of the HiTechnic color sensor block for the EV3 is now available. The latest version of the block has added support to change the scan frequency by
Programming Line Follower Loop Exits with the HiTechnic Color Sensor - YouTube