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Making espresso at home involves a conundrum familiar to many activities: It can be great, cheap, or easy to figure out, but you can only pick, at most, two of those. You can spend an infinite amount ...

aArtisan / aArtisanQ_PID [1] is an Arduino sketch for home coffee roasting machines. Among its functionality is PID control of the roasting temperature. Tuning the PID control parameters can be ...

There’s a lot of mysticism around coffee roasting, but in the end it couldn’t be simpler. Take a bunch of beans, heat them up evenly, and stop before they get burned. The rest is details. And the same ...

Each topic we tackle on Design Decoded is explored through a multi-part series of interlocking posts that will, we hope, offer a new lens for viewing the familiar. This is the second installment in a ...