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Case 01: Password Recognition


To make the AI Lens be able to recognize the password on the card.


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:


Place the cards named 0,4,9 accordingly in the front of the lens, a smile face should display on the micro:bit; or it displays a sad face.