36. Case 32: Gesture Recognition Ring LEDs¶
36.1. Introduction¶
This is an interesting lighting device that uses gesture recognition sensors to recognize human gesture commands and control the color of the light.
36.2. Quick Start¶
Materials Required¶
Nezha expansion board × 1
micro:bit V2 × 1
Gesture sensor × 1
Rainbow LED ring × 1
Bricks × n
Tips: You may need to purchase Nezha Inventor’s Kit and Purchase Interactive coding accessories pack here. if you want all the above components.
Connection Diagram¶
Inset the micro:bit, connect the gesture sensor to IIC port and the rainbow led ring to S1 on Nezha expansion board.
Assembly Video¶
Video link: https://youtu.be/hq1rtbGvAwU
Assembly Steps¶
36.3. 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 “nezha” to download it.
Note: If you met a tip indicating the codebase might be deleted due to incompatibility, you may continue as the tips say or create a new project in the menu.
Step 2¶
Programme as the pictures indicate¶
Result¶
The lights color is able to be changed by hands gesture.