28. Case 27: The Distance Indicator¶
To make a device that is able to display the distance from the sonar:bit to the object.
28.2. Quick Start¶
Nezha expansion board × 1
micro:bit V2 × 1
sonar sensor × 1
Bricks × n
Inset the micro:bit, and connect the sonar:bit to J1 port on Nezha expansion board.
28.3. 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 detected distance displays on the micro:bit.