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Case 08: Balls Recognition


Recognize the balls with the AI lens.


ELECFREAKS Nezha Breakout Board

Materials Required and Connection Diagram

Connect the AI Lens to the IIC port on the Nezha expansion board as the picture shows.

MakeCode Programming

Step 1

Click "Advanced" in the MakeCode drawer to see more choices.

We need to add a package for programming. Click "Extensions" in the bottom of the drawer and search with "PlanetX" in the dialogue box to download it.

Note: If you met a tip indicating that the codebase will be deleted due to incompatibility, you may continue as the tips say or build a new project in the menu.

Step 2

Code as below:


You may also download it directly below:


A smile face displays on the micro:bit if the the blue ball is recognized by the AI lens and a sad face displays on the micro:bit if it recognizes a red ball.