1.3. Case 02: Color-controlled Lights¶

1.3.1. Purpose¶

To make the LED strip be able to adjust the color of the lights according to the recognized color from the AI Lens.

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1.3.2. Products Link¶

ELECFREAKS Smart AI Lens Kit

ELECFREAKS Nezha Breakout Board

ELECFREAKS PlanetX Rainbow LED Strip (10 Pixels)

Materials Required and Connection Diagram¶

Connect the AI Lens to the IIC port and the LED strip to the J1 port on the Nezha expansion board as the picture shows.

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1.3.3. MakeCode Programming¶

Step 1¶

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

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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.

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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¶

Project 1: Card(s) Recognition¶

Code as below:¶

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Link¶

Link: https://makecode.microbit.org/_K9zFd9dEjTDY

You may also download it directly below:

Result¶

The LED strip displays the color in accordance with the color that is recognized from the AI Lens.