Face Attributes Detection
MakeCode Programming Tutorial
Extension link: https://github.com/KittenBot/pxt-koi2
Search for KOI2 in the search bar, select KOI 2.(KOI 2 has been approved by Microsoft)

The extension will be imported into your project.
Coding Blocks

Sample Program

Sample Program Operations
KOI automatically detects faces.
If the detected face is smiling, a smile icon will be shown on the Micro:bit.
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