Case 01: Password Recognition
1.3. Case 01: Password Recognition#
To make the AI Lens be able to recognize the password on the card.
Materials Required and Connection Diagram#
Connect the AI Lens to the IIC port on the Nezha expansion board as the picture shows.
1.3.2. MakeCode Programming#
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.
Code as 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.