1.7. Case 06: Characteristics Acquisition

Purpose

To make the AI Lens be able to recognize and learn from the objects.

../../_images/05035_01.png


Materials Required and Connection Diagram


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

../../_images/05035_01_03.png

MakeCode Programming


Step 1

Click “Advanced” in the MakeCode drawer to see more choices.

../../_images/05001_041.png

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.

../../_images/05001_051.png

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:

../../_images/05035_06_06.png

Result

  • Press button A to recognize the object and give it an ID 1; press button B to recognize the object and give it an ID 2. Then the equivalent ID number should display on the micro:bit in accordance with the object that you place in the front of the AI Lens.