OpenSprinkler › Forums › Hardware Questions › OpenSprinkler › Driving 14 valves or 12 + Main Pump from OS 3.0 › Reply To: Driving 14 valves or 12 + Main Pump from OS 3.0 December 31, 2021 at 10:42 am #71934 nickarsowParticipant Perfect, that’s exactly what I need. I don’t need the booster voltave at all. Btw, which address I have to assign to the PCF8575 expander board? Thanks
