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It's mentioned in the article, but the Gaggiuino project is a really nice base if you like tinkering with this kind of stuff. You start with the chassis and components of an existing machine, and just add temperature, pressure and/or flow control.

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I think it's a great introduction into hacking for people who might not find it otherwise. I love the idea of coffee nerds realizing that this stuff (working with small PCBs, hacking cases, wiring, etc.) isn't really as intimidating as it might seem.

Hopefully tomorrow, someone inspired by this can get more out of a cheaper grinder, then after that, who know what?

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