Case 28:The Wiper
Make a wiper.
Click "Advanced" in the MakeCode to see more choices.
Search with Wukong in the dialogue box to download it.
When the micro:bit is powering on, it displays a heart icon. When button A is pressed, the wiper starts driving; when button A is pressed again, the wiper accelerates; and when button B is pressed, the wiper decelerates.