Case 03: Color-controlled Piano
Contents
1.4. Case 03: Color-controlled Piano#
1.4.1. Purpose#
To make the Nezha expansion board be able to play the different sounds according to the recognized color from the AI Lens.
1.4.2. Products Link#
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.
1.4.3. 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:#
Link#
Link: https://makecode.microbit.org/_X1T8VDgbU3Xv
You may also download it directly below:
Result#
The buzzer on the Nezha expansion board plays different sounds aoccording to the different color recoginzed by the AI Lens.