February 2009
Intermediate to advanced
192 pages
8h 28m
English

Photograph by Timothy Hirzel
My espresso machine is customized for a quality coffee experience. Although not alone in the world of modified appliances, I think my Rancilio Silvia is unique. Her central nervous system is an Arduino microcontroller: all the switches that once flipped power to components now send requests to the Arduino. Through a set of relays, the Arduino performs the duties once assigned to the switches, making the machine entirely software-controlled. This intervention ...