Smart espresso machine

Espresso machine controller is now installed in the electronics drawer!

I’ve posted a few updated videos demonstrating the basic functionality. I’m considering the hardware complete at this point, however I’ll probably be continuing to add software functionality.

Asking Alexa to turn on my espresso machine
Boiler fill, with hysteresis and boiler activation upon level check
Basic grouphead operation with pre-infuse
Auto backflush function

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