We offer free software for your espresso machine. It turns ordinary portafilter machines into sophisticated shot brewers with precise control over temperature, pressure and dispensed weight.

arturo module with caffè! firmware in an espresso machine:
Microcontroller (red PCB)
Flow meter (white, bottom right)
Solid state relays (left, partly visible)
Paddle (knob on right side of frame).
ito microcontroller module (blue PCB) with pressure sensor (at the T fitting next to the OPV).
OLED display installed behind a custom panel (laser cut)

Download CAD files for Rancilio Silvia / Gaggia Classic (laser cut)

Photos on this page are public domain and may be reproduced without permission.

©2009-2023 project caffè!