Check the photo with the moped rider next to the escalators (subway station exit?): the depth map shows structure for the shadows of the supports of the glass roof. There is no true depth. Only fake.
It‘s awesome, thanks and your progress from breadboard to finished project is amazing! Don‘t let all the complaints here keep you from building and sharing.
You could consider replacing the potentiometer with an encoder that has no fixed range and can’t be broken by turning it too much.
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