silvia-pi
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Pressure control, profiling and preinfusion
any chance you are interested in adding these features? now that the Raspberry Pi Zero W is released, i really am looking into fitting a smarter PID into my Silvia.
Yes, I'm interested in adding this, or would be happy to receive a code contribution from you or someone else. It'll require another relay, but all other hardware is the same. The RPiZW looks awesome, hope this drives more adoption of projects like this.
Pre-infusion can be easily done by wiring the 3-way valve to a separate switch than the pump.