OpenSprinkler › Forums › Hardware Questions › OpenSprinkler Pi (OSPi) › There is option to connect rain sensor ? › Re: Re: There is option to connect rain sensor ? July 10, 2014 at 1:01 pm #27233 RayKeymaster You should check the latest user manual: http://rayshobby.net/docs/ospi14_manual.pdf page 6, ‘Rain Sensor’ section. Rain sensor port has been added since OSPi 1.3. The video is outdated and I should re-make it at some point.