Amazon.co.jp: Pixy LEGO - Smart Vision Sensor, Object Tracking Camera for LEGO Mindstorms NXT, EV3 [並行輸入品] : Electronics
Pixy Lego is a smart vision sensor you can quickly ''teach'' to find objects. It saves you time by only outputting the object data you're interested in. It connects directly to Lego
pixy cam: what can we do with a pixy cam and lego mindstorms ev3 - YouTube
Lego Meets Pixy. How to Connect Your Inexpensive Camera… | by J3 | KidsTronics | Medium