OpenSprinkler › Forums › Hardware Questions › OpenSprinkler Pi (OSPi) › Relay board that works with DC solonaid ? › Re: Re: Relay board that works with DC solonaid ? May 21, 2014 at 3:55 pm #26902 ChaoscripTMember Ray, Thanks for your comment, So it’s not possible to use OSPi with DC valve ? I want the OSPi, becuase the Rasperry, and the wifi, and the smartphone app. Regards.