OpenSprinkler Forums Hardware Questions Pump into COM port Re: Re: Pump into COM port

#25316

Ray
Keymaster

Did you check the online user manual?
http://rayshobby.net/?page_id=192
Master (or pump) station is a built-in feature of the OpenSprinkler firmware. You can designate any of the first 8 stations as a master / pump station (which turn on when any other station is on), and you can fine tune the timing when the master station turns on.

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