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
Using Pixy/Pixy2 camera for LEGO Mindstorms
Lego building blocks image in Architecture and Buildings category at pixy.org | Mad Scientist Laboratory
How to use Pixy over I2C with the REV Expansion Hub : r/FTC
Pixy Lego – PixyCam
Pixy Lego – PixyCam
Using Pixy/Pixy2 camera for LEGO Mindstorms
Lego Meets Pixy. How to Connect Your Inexpensive Camera… | by J3 | KidsTronics | Medium