Case 27: The Smart Garbage Can
Purpose
Make a smart garbage can.
Link:
Materials Required
Bricks build-up
Installation Mthods of Hardwares
Install the sonar:bit with the bricks.
Hardware Connection
Connect a servo to S0 and a sonar:bit to P0 port on Wukong breakout board.
Software Platform
Coding
Add extensions
Click "Advanced" in the MakeCode to see more choices.
Search with Wukong in the dialogue box to download it.
Search with IOT:bit in the dialogue box to download it.
Program
Link:https://makecode.microbit.org/_XeMXzj7z3JFx
Result
When the micro:bit is powering on, it displays a heart icon, then the lid will automatically open when the ultrasonic sensor detects someone approaching, and it will automatically close after three seconds.
