OpenSprinkler › Forums › Hardware Questions › OpenSprinkler Pi (OSPi) › There is option to connect rain sensor ? › Re: Re: There is option to connect rain sensor ? July 7, 2014 at 2:51 pm #27232 RamiasParticipant I have reviewed the photos and video of the Pi model but do not see where the rain sensor connects. Are the photos old? Or did I just not see it? Or have I mis-understood this thread?