The Energy Conservation Fan

Purpose
A fan is very helpful in this hot summer, I’ve built an energy conservation fan which would work when I sit down and stop when I leave from my seat.
Build-up
Building steps:
Please download the io. File if you have Lego studio: The-Energy-Conservation-Fan.io
After assembly, connect with Nezha breakout board, fan, sonar:bit and the PIR sensor.
Hardware connections
Software Programm
Click “Advanced” in the MakeCode to see more choices.
For programming, we need to add a package: click “Extensions” at the bottom of the MakeCode drawer and search with “PlanetX” in the dialogue box to download it.
Notice: If you met a tip indicating that some codebases would be deleted due to incompatibility, you may continue as the tips say or create a new project in the menu.
Code:
Link: https://makecode.microbit.org/_PsxagTgCkfDk
Result
If the sonar:bit detects objects and the PIR sensor detects the movement, the fans starts working or it stops driving.
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ELECFREAKS focuses on microbit and publishes interesting articles
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