31. Case 30: Adjustable lights¶
To make a lighting device in different luminance levels.
31.2. Quick Start¶
Nezha expansion board × 1
micro:bit V2 × 1
Analog Rotation Potentiometer × 1
Rainbow LED ring × 1
Bricks × n
Tips: Purchase Interactive coding accessories pack here.
Inset the micro:bit, connect the rainbow led ring to J1 port and the trimpot to J2 port on Nezha expansion board.
31.3. 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 “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.
Programme as the pictures indicate¶
You may download it directly below:---
After powering on, the luminance level is able to be adjusted by the trimpot.