22. case 21 An Oscillating Fan¶
Build an oscillating fan with the micro:bit.
22.2. Quick Start¶
Nezha expansion board × 1
micro:bit × 1
360°servo × 1
Motor × 1
Bricks × n
Connect the servo to S1, motor to M1 and the micro:bit to Nezha expansion board.
22.3. 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” 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.
Programme as the picture shows:¶
Turn on/off the fan by pressing button A/B.