From the project report:
So, wooden castles? Two wooden castles act as housings for servo-powered screws that raise and lower the french press pressing bar. When the coffee is ready to be pressed, they turn in one direction, lowering the bar. When the press is complete, they turn the other way to raise it, giving access to the perfectly brewed coffee. Everything is controlled using Python code on the Raspberry Pi, triggered by the press of the Internet Button.
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