iSPRESSO: Coffee Evolved

Computer controlled, WiFi connected, highly customizable Espresso machine mod

iSPRESSO features:

  • Programmable PID Controller for precise boiler temperature control
  • Programmable Pre-soak time, wait time, and brew time
  • Controllable from web browser, tablet or phone on WiFi network
  • Schedule allows programmable on / off timing for each day of the week
  • LCD readout for system status, toggle buttons for operation
  • Smart Connect for easy setup to your WiFi network

iSPRESSO is an appliance modification comprised of Raspberry Pi computer, solid state relays, temp sensor, buttons and a display, a custom Printed Circuit Board, and custom linux shell scripts and a good bit of python code.  The instructions to build, including source code, is available on this site.