Two emotions: Sad 😦, Happy 😀

The switch type: Flip and push

You flip the direction of the mouth to head upwards or vice versa to make a Sad or Happy face

The making process

Sketch

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Cutting the fabric and stitching

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The soft switch!

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Arduino code

The code plays a role in making the Blue LED to dim slowly when the switch is making a sad face, and flickering the yellow LED when the switch is making a happy face.

And it turned out that I don’t have a blue LED, so I decided to use green as an alternative.